update ctestserv recipe

for esmodules compatibility

.eslintrc

@@ -0,0 +1,18 @@
+{
+	"env": { "shared-node-browser":true },
+	"globals": {},
+	"parserOptions": {
+		"ecmaVersion": 3,
+	},
+	"plugins": [ "html", "json" ],
+	"extends": "eslint:recommended",
+	"rules": {
+		"comma-style": [ 2, "last" ],
+		"comma-dangle": [ 2, "never" ],
+		"curly": 0,
+		"no-bitwise": 0,
+		"no-console": 0,
+		"no-trailing-spaces": 2,
+		"semi": [ 2, "always" ]
+	}
+}

.flowconfig

@@ -25,3 +25,5 @@ misc/flowdeps.js
 [options]
 module.file_ext=.js
 module.file_ext=.njs
+module.ignore_non_literal_requires=true
+suppress_comment= \\(.\\|\n\\)*\\$FlowIgnore

.github/workflows/node-4+.yml

@@ -0,0 +1,92 @@
+name: 'Tests: node.js'
+
+on: [pull_request, push]
+
+jobs:
+  matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      latest: ${{ steps.set-matrix.outputs.requireds }}
+    steps:
+      - uses: ljharb/actions/node/matrix@main
+        id: set-matrix
+        with:
+          versionsAsRoot: true
+          type: 'majors'
+          preset: '>=4'
+
+  latest:
+    needs: [matrix]
+    name: 'latest majors'
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: ${{ fromJson(needs.matrix.outputs.latest) }}
+        include:
+          - node-version: '14.'
+            env:
+              TZ: America/New_York
+          - node-version: '13.'
+            env:
+              TZ: Europe/London
+          - node-version: '12.'
+            env:
+              TZ: Asia/Seoul
+          - node-version: '11.'
+            env:
+              TZ: America/Los_Angeles
+              FMTS: misc
+          - node-version: '10.'
+            env:
+              TZ: Europe/Berlin
+              FMTS: misc
+          - node-version: '9.'
+            env:
+              TZ: Asia/Kolkata
+              FMTS: misc
+          - node-version: '8.'
+            env:
+              TZ: Asia/Shanghai
+              FMTS: misc
+          - node-version: '7.'
+            env:
+              TZ: America/Cancun
+              FMTS: misc
+          - node-version: '6.'
+            env:
+              TZ: Asia/Seoul
+              FMTS: misc
+          - node-version: '5.'
+            env:
+              TZ: America/Anchorage
+              FMTS: misc
+          - node-version: '4.'
+            env:
+              TZ: America/Barbados
+              FMTS: misc
+          - node-version: '4.4.7' # see GH issue #1150
+            env:
+              TZ: Asia/Tokyo
+              FMTS: misc
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: sudo curl -Lo /usr/bin/rooster https://github.com/SheetJS/rooster/releases/download/v0.2.0/rooster-v0.2.0-linux-amd64
+      - run: sudo chmod a+x /usr/bin/rooster
+      #- run: make init
+      #- run: 'cd test_files; make all; cd -'
+      - run: npm run test
+      #- run: 'cd packages/ssf; npm install; npm run tests-only; cd -'
+
+  node:
+    name: 'node 4+'
+    needs: [latest]
+    runs-on: ubuntu-latest
+    steps:
+      - run: 'echo tests completed'

.github/workflows/node-iojs.yml

@@ -0,0 +1,45 @@
+name: 'Tests: node.js (io.js)'
+
+on: [pull_request, push]
+
+jobs:
+  matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      latest: ${{ steps.set-matrix.outputs.requireds }}
+    steps:
+      - uses: ljharb/actions/node/matrix@main
+        id: set-matrix
+        with:
+          type: 'majors'
+          preset: 'iojs'
+
+  latest:
+    needs: [matrix]
+    name: 'latest majors'
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix: ${{ fromJson(needs.matrix.outputs.latest) }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
+        with:
+          node-version: ${{ matrix.node-version }}
+          skip-ls-check: true
+      - run: sudo curl -Lo /usr/bin/rooster https://github.com/SheetJS/rooster/releases/download/v0.2.0/rooster-v0.2.0-linux-amd64
+      - run: sudo chmod a+x /usr/bin/rooster
+      #- run: make init
+      #- run: 'cd test_files; make all; cd -'
+      - run: npm run test
+      #- run: 'cd packages/ssf; npm run tests-only; cd -'
+
+  node:
+    name: 'io.js'
+    needs: [latest]
+    runs-on: ubuntu-latest
+    steps:
+      - run: 'echo tests completed'

.github/workflows/node-pretest.yml

@@ -0,0 +1,32 @@
+name: 'Tests: pretest/posttest'
+
+on: [pull_request, push]
+
+jobs:
+  pretest:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install lts/* && npm install'
+        with:
+          node-version: 'lts/*'
+      - run: sudo curl -Lo /usr/bin/rooster https://github.com/SheetJS/rooster/releases/download/v0.2.0/rooster-v0.2.0-linux-amd64
+      - run: sudo chmod a+x /usr/bin/rooster
+      #- run: make init
+      #- run: 'cd test_files; make all; cd -'
+      #- run: npm run pretest
+
+  # posttest:
+  #   runs-on: ubuntu-latest
+
+  #   steps:
+  #     - uses: actions/checkout@v2
+  #     - uses: ljharb/actions/node/install@main
+  #       name: 'nvm install lts/* && npm install'
+  #       with:
+  #         node-version: 'lts/*'
+  #     - run: make init
+  #     - run: 'cd test_files; make all; cd -'
+  #     - run: npm run posttest

.github/workflows/node-zero.yml

@@ -0,0 +1,88 @@
+name: 'Tests: node.js (0.x)'
+
+on: [pull_request, push]
+
+jobs:
+  matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      stable: ${{ steps.set-matrix.outputs.requireds }}
+#      unstable: ${{ steps.set-matrix.outputs.optionals }}
+    steps:
+      - uses: ljharb/actions/node/matrix@main
+        id: set-matrix
+        with:
+          versionsAsRoot: true
+          preset: '0.x'
+
+  stable:
+    needs: [matrix]
+    name: 'stable minors'
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: ${{ fromJson(needs.matrix.outputs.stable) }}
+        include:
+          - node-version: '0.12.'
+            env:
+              TZ: America/Cayman
+              FMTS: misc
+          - node-version: '0.10.'
+            env:
+              TZ: Pacific/Honolulu
+              FMTS: misc
+          #- node-version: '0.8.'
+          #  env:
+          #    TZ: America/Mexico_City
+          #    FMTS: misc
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache-node-modules-key: node_modules-${{ github.workflow }}-${{ github.action }}-${{ github.run_id }}
+          skip-ls-check: true
+      - run: sudo curl -Lo /usr/bin/rooster https://github.com/SheetJS/rooster/releases/download/v0.2.0/rooster-v0.2.0-linux-amd64
+      - run: sudo chmod a+x /usr/bin/rooster
+      #- run: make init
+      #- run: 'cd test_files; make all; cd -'
+      - run: npm run test
+      #- run: 'cd packages/ssf; npm run tests-only; cd -'
+
+#  unstable:
+#    needs: [matrix, stable]
+#    name: 'unstable minors'
+#    continue-on-error: true
+#    if: ${{ !github.head_ref || !startsWith(github.head_ref, 'renovate') }}
+#    runs-on: ubuntu-latest
+
+#    strategy:
+#      fail-fast: false
+#      matrix:
+#        node-version: ${{ fromJson(needs.matrix.outputs.unstable) }}
+#
+#    steps:
+#      - uses: actions/checkout@v2
+#      - uses: ljharb/actions/node/install@main
+#        name: 'nvm install ${{ matrix.node-version }} && npm install'
+#        with:
+#          node-version: ${{ matrix.node-version }}
+#          cache-node-modules-key: node_modules-${{ github.workflow }}-${{ github.action }}-${{ github.run_id }}
+#          skip-ls-check: true
+#      - run: sudo curl -Lo /usr/bin/rooster https://github.com/SheetJS/rooster/releases/download/v0.2.0/rooster-v0.2.0-linux-amd64
+#      - run: sudo chmod a+x /usr/bin/rooster
+#      - run: make init
+#      - run: 'cd test_files; make all; cd -'
+#      - run: npm run tests-only
+
+  node:
+    name: 'node 0.x'
+#    needs: [stable, unstable]
+    needs: [stable]
+    runs-on: ubuntu-latest
+    steps:
+      - run: 'echo tests completed'

.gitignore

@@ -1,5 +1,7 @@
 node_modules
+*.tgz
 test_files/*.py
 test_files/*.js
 test_files/baseline*
 misc/coverage.html
+ctest/sauce*

.npmignore

@@ -1,14 +0,0 @@
-node_modules
-misc/
-perf/
-bits/
-ctest/
-test_files/
-test.js
-.travis.yml
-.jscs.json
-.jshintrc
-.flowconfig
-.npmignore
-perf.txt
-Makefile

.spelling

@@ -0,0 +1,10 @@
+# crc32.js (C) 2014-present SheetJS -- http://sheetjs.com
+SheetJS
+32-bit
+CRC-32
+UCS-2
+UTF-8
+crc32
+checksum
+nodejs
+npm

.travis.yml

@@ -1,5 +1,8 @@
 language: node_js
 node_js:
+  - "9"
+  - "8"
+  - "7"
   - "6"
   - "5"
   - "4"
@@ -7,11 +10,10 @@ node_js:
   - "0.10"
   - "0.8"
 before_install:
-  - "npm install -g npm@next"
-  - "npm install -g mocha"
+  - "npm install -g npm@4.3.0"
+  - "npm install -g mocha@2.x voc"
   - "npm install codepage"
   - "npm install blanket"
   - "npm install coveralls mocha-lcov-reporter"
 after_success:
   - "make coveralls-spin"
-#  - "make perf-all"

LICENSE

@@ -1,4 +1,192 @@
-Copyright (C) 2014-present  SheetJS
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
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+      outstanding shares, or (iii) beneficial ownership of such entity.
+
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+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
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+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
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+
+   Copyright (C) 2014-present   SheetJS LLC
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
@@ -11,4 +199,3 @@ Copyright (C) 2014-present  SheetJS
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-

Makefile

@@ -1,7 +1,7 @@
 LIB=crc32
 REQS=
 ADDONS=
-AUXTARGETS=demo/browser.js
+AUXTARGETS=crc32c.js demo/browser.js
 CMDS=bin/crc32.njs
 HTMLLINT=index.html
 
@@ -9,30 +9,44 @@ ULIB=$(shell echo $(LIB) | tr a-z A-Z)
 DEPS=$(sort $(wildcard bits/*.js))
 TARGET=$(LIB).js
 FLOWTARGET=$(LIB).flow.js
+FLOWTGTS=$(TARGET) $(AUXTARGETS)
+CLOSURE=/usr/local/lib/node_modules/google-closure-compiler/compiler.jar
+
+ESMJSTGT=crc32.mjs
+ESMJSDEPS=$(shell cat misc/mjs.lst)
 
 ## Main Targets
 
 .PHONY: all
-all: $(TARGET) $(AUXTARGETS) ## Build library and auxiliary scripts
+all: $(TARGET) $(AUXTARGETS) $(ESMJSTGT) crc32c.mjs ## Build library and auxiliary scripts
 
-$(TARGET) $(AUXTARGETS): %.js : %.flow.js
+$(FLOWTGTS): %.js : %.flow.js
 	node -e 'process.stdout.write(require("fs").readFileSync("$<","utf8").replace(/^[ \t]*\/\*[:#][^*]*\*\/\s*(\n)?/gm,"").replace(/\/\*[:#][^*]*\*\//gm,""))' > $@
 
 $(FLOWTARGET): $(DEPS)
 	cat $^ | tr -d '\15\32' > $@
 
+$(ESMJSTGT): $(ESMJSDEPS)
+	cat $^ | tr -d '\15\32' > $@
+
 bits/01_version.js: package.json
-	echo "CRC32.version = '"`grep version package.json | awk '{gsub(/[^0-9a-z\.-]/,"",$$2); print $$2}'`"';" > $@
+	echo "$(ULIB).version = '"`grep version package.json | awk '{gsub(/[^0-9a-z\.-]/,"",$$2); print $$2}'`"';" > $@
 
 .PHONY: clean
 clean: clean-baseline ## Remove targets and build artifacts
 	rm -f $(TARGET) $(FLOWTARGET)
 
+crc32c.flow.js: crc32.flow.js
+	cat $^ | sed 's/-306674912/-2097792136/g; s/CRC32\([ \/\.]\)/CRC32C\1/g' > $@
+
+crc32c.mjs: crc32.mjs
+	cat $^ | sed 's/-306674912/-2097792136/g; s/CRC32\([ \/\.]\)/CRC32C\1/g' > $@
+
 ## Testing
 
 .PHONY: test mocha
 test mocha: test.js $(TARGET) baseline ## Run test suite
-	mocha -R spec -t 20000
+	./node_modules/.bin/mocha -R spec -t 60000
 
 .PHONY: ctest
 ctest: ## Build browser test (into ctest/ subdirectory)
@@ -43,7 +57,7 @@ ctest: ## Build browser test (into ctest/ subdirectory)
 
 .PHONY: ctestserv
 ctestserv: ## Start a test server on port 8000
-	@cd ctest && python -mSimpleHTTPServer
+	@cd ctest && python -mSimpleHTTPServer || python3 -mhttp.server || npx -y http-server -p 8000 .
 
 .PHONY: baseline
 baseline: ## Build test baselines
@@ -55,13 +69,28 @@ clean-baseline: ## Remove test baselines
 
 ## Code Checking
 
+.PHONY: fullint
+fullint: lint old-lint tslint flow mdlint ## Run all checks
+
 .PHONY: lint
-lint: $(TARGET) $(AUXTARGETS) ## Run jshint and jscs checks
+lint: $(TARGET) $(AUXTARGETS) ## Run eslint checks
+	@eslint --ext .js,.njs,.json,.html,.htm $(TARGET) $(AUXTARGETS) $(CMDS) $(HTMLLINT) package.json
+	if [ -e $(CLOSURE) ]; then java -jar $(CLOSURE) $(REQS) $(FLOWTARGET) --jscomp_warning=reportUnknownTypes >/dev/null; fi
+
+.PHONY: old-lint
+old-lint: $(TARGET) $(AUXTARGETS) ## Run jshint and jscs checks
 	@jshint --show-non-errors $(TARGET) $(AUXTARGETS)
 	@jshint --show-non-errors $(CMDS)
 	@jshint --show-non-errors package.json
 	@jshint --show-non-errors --extract=always $(HTMLLINT)
 	@jscs $(TARGET) $(AUXTARGETS)
+	if [ -e $(CLOSURE) ]; then java -jar $(CLOSURE) $(REQS) $(FLOWTARGET) --jscomp_warning=reportUnknownTypes >/dev/null; fi
+
+.PHONY: tslint
+tslint: $(TARGET) ## Run typescript checks
+	#@npm install dtslint typescript
+	#@npm run-script dtslint
+	dtslint types
 
 .PHONY: flow
 flow: lint ## Run flow checker
@@ -71,11 +100,17 @@ flow: lint ## Run flow checker
 cov: misc/coverage.html ## Run coverage test
 
 misc/coverage.html: $(TARGET) test.js
-	mocha --require blanket -R html-cov -t 20000 > $@
+	./node_modules/.bin/mocha --require blanket -R html-cov -t 60000 > $@
 
 .PHONY: coveralls
 coveralls: ## Coverage Test + Send to coveralls.io
-	mocha --require blanket --reporter mocha-lcov-reporter -t 20000 | node ./node_modules/coveralls/bin/coveralls.js
+	./node_modules/.bin/mocha --require blanket --reporter mocha-lcov-reporter -t 60000 | node ./node_modules/coveralls/bin/coveralls.js
+
+MDLINT=README.md
+.PHONY: mdlint
+mdlint: $(MDLINT) ## Check markdown documents
+	alex $^
+	mdspell -a -n -x -r --en-us $^
 
 .PHONY: perf
 perf: ## Run Performance Tests

README.md

@@ -5,60 +5,157 @@ Emphasis on correctness, performance, and IE6+ support.
 
 ## Installation
 
-With [npm](https://www.npmjs.org/package/crc-32):
+With a node package manager like `npm`:
 
 ```bash
-$ npm install crc-32
+$ npm i --save https://cdn.sheetjs.com/crc-32-latest/crc-32-latest.tgz
 ```
 
-In the browser:
+When installed globally, npm installs a script `crc32` that computes the
+checksum for a specified file or standard input.
+
+Hosted versions are available at <https://cdn.sheetjs.com/>:
+
+- `crc32.js` (CommonJS): <https://cdn.sheetjs.com/crc-32-latest/package/crc32.js>
+- `crc32.mjs` (ESM): <https://cdn.sheetjs.com/crc-32-latest/package/crc32.mjs>
+- `crc32c.js` (CommonJS): <https://cdn.sheetjs.com/crc-32-latest/package/crc32c.js>
+- `crc32c.mjs` (ESM): <https://cdn.sheetjs.com/crc-32-latest/package/crc32c.mjs>
+
+## Integration
+
+Using NodeJS or a bundler with `require`:
+
+```js
+var CRC32 = require("crc-32");
+```
+
+Using NodeJS or a bundler with `import`:
+
+```js
+import { bstr, buf, str } from "crc-32";
+```
+
+In the browser, the `crc32.js` script can be loaded directly:
 
 ```html
 <script src="crc32.js"></script>
 ```
 
-The browser exposes a variable `CRC32`.
+The browser script exposes a variable `CRC32`.
 
-When installed globally, npm installs a script `crc32` that computes the
-checksum for a specified file or standard input.
+The script will manipulate `module.exports` if available .  This is not always
+desirable.  To prevent the behavior, define `DO_NOT_EXPORT_CRC`.
 
-The script will manipulate `module.exports` if available (e.g. in a CommonJS
-`require` context).  This is not always desirable.  To prevent the behavior,
-define `DO_NOT_EXPORT_CRC`.
+### CRC32C (Castagnoli)
+
+The module and CDNs also include a parallel script for CRC32C calculations.
+
+Using NodeJS or a bundler:
+
+```js
+var CRC32C = require("crc-32/crc32c");
+```
+
+Using NodeJS or a bundler with `import`:
+
+```js
+import { bstr, buf, str } from "crc-32/crc32c";
+```
+
+In the browser, the `crc32c.js` script can be loaded directly:
+
+```html
+<script src="crc32c.js"></script>
+```
+
+The browser exposes a variable `CRC32C`.
+
+The script will manipulate `module.exports` if available .  This is not always
+desirable.  To prevent the behavior, define `DO_NOT_EXPORT_CRC`.
 
 ## Usage
 
 In all cases, the relevant function takes an argument representing data and an
 optional second argument representing the starting "seed" (for rolling CRC).
 
-The return value is a signed 32-bit integer.
+**The return value is a signed 32-bit integer!**
 
 - `CRC32.buf(byte array or buffer[, seed])` assumes the argument is a sequence
-  of 8-bit unsigned integers (e.g. nodejs `Buffer` or simple array of ints).
+  of 8-bit unsigned integers (nodejs `Buffer`, `Uint8Array` or array of bytes).
 
-- `CRC32.bstr(binary string[, seed])` assumes the argument is a "binary" string
+- `CRC32.bstr(binary string[, seed])` assumes the argument is a binary string
   where byte `i` is the low byte of the UCS-2 char: `str.charCodeAt(i) & 0xFF`
 
-- `CRC32.str(string[, seed])` assumes the argument is a standard string and
-  calculates the CRC32 of the UTF-8 encoding.
+- `CRC32.str(string[, seed])` assumes the argument is a standard JS string and
+  calculates the hash of the UTF-8 encoding.
 
 For example:
 
 ```js
-// var CRC32 = require('crc-32');             // uncomment this line if in node
-CRC32.str("SheetJS")                          // -1647298270
-CRC32.bstr("SheetJS")                         // -1647298270
-CRC32.buf([ 83, 104, 101, 101, 116, 74, 83 ]) // -1647298270
+// var CRC32 = require('crc-32');               // uncomment this line if in node
+CRC32.str("SheetJS")                            // -1647298270
+CRC32.bstr("SheetJS")                           // -1647298270
+CRC32.buf([ 83, 104, 101, 101, 116, 74, 83 ])   // -1647298270
 
-crc32 = CRC32.buf([83, 104])                  // -1826163454  "Sh"
-crc32 = CRC32.str("eet", crc32)               //  1191034598  "Sheet"
-CRC32.bstr("JS", crc32)                       // -1647298270  "SheetJS"
+crc32 = CRC32.buf([83, 104])                    // -1826163454  "Sh"
+crc32 = CRC32.str("eet", crc32)                 //  1191034598  "Sheet"
+CRC32.bstr("JS", crc32)                         // -1647298270  "SheetJS"
 
-[CRC32.str("\u2603"),  CRC32.str("\u0003")]   // [ -1743909036,  1259060791 ]
-[CRC32.bstr("\u2603"), CRC32.bstr("\u0003")]  // [  1259060791,  1259060791 ]
-[CRC32.buf([0x2603]),  CRC32.buf([0x0003])]   // [  1259060791,  1259060791 ]
+[CRC32.str("\u2603"),  CRC32.str("\u0003")]     // [ -1743909036,  1259060791 ]
+[CRC32.bstr("\u2603"), CRC32.bstr("\u0003")]    // [  1259060791,  1259060791 ]
+[CRC32.buf([0x2603]),  CRC32.buf([0x0003])]     // [  1259060791,  1259060791 ]
+
+// var CRC32C = require('crc-32/crc32c');       // uncomment this line if in node
+CRC32C.str("SheetJS")                           // -284764294
+CRC32C.bstr("SheetJS")                          // -284764294
+CRC32C.buf([ 83, 104, 101, 101, 116, 74, 83 ])  // -284764294
+
+crc32c = CRC32C.buf([83, 104])                  // -297065629   "Sh"
+crc32c = CRC32C.str("eet", crc32c)              //  1241364256  "Sheet"
+CRC32C.bstr("JS", crc32c)                       // -284764294   "SheetJS"
+
+[CRC32C.str("\u2603"),  CRC32C.str("\u0003")]   // [  1253703093,  1093509285 ]
+[CRC32C.bstr("\u2603"), CRC32C.bstr("\u0003")]  // [  1093509285,  1093509285 ]
+[CRC32C.buf([0x2603]),  CRC32C.buf([0x0003])]   // [  1093509285,  1093509285 ]
 ```
 
+### Best Practices
+
+Even though the initial seed is optional, for performance reasons it is highly
+recommended to explicitly pass the default seed 0.
+
+In NodeJS with the native Buffer implementation, it is oftentimes faster to
+convert binary strings with `Buffer.from(bstr, "binary")` first:
+
+```js
+/* Frequently slower in NodeJS */
+crc32 = CRC32.bstr(bstr, 0);
+/* Frequently faster in NodeJS */
+crc32 = CRC32.buf(Buffer.from(bstr, "binary"), 0);
+```
+
+This does not apply to browser `Buffer` shims, and thus is not implemented in
+the library directly.
+
+### Signed Integers
+
+Unconventional for a CRC32 checksum, this library uses signed 32-bit integers.
+This is for performance reasons.  Standard JS operators can convert between
+signed and unsigned 32-bit integers:
+
+```js
+CRC32.str("SheetJS")                            // -1647298270 (signed)
+CRC32.str("SheetJS") >>> 0                      //  2647669026 (unsigned)
+(CRC32.str("SheetJS")>>>0).toString(16)         //  "9dd03922" (hex)
+
+(2647669026 | 0)                                // -1647298270
+```
+
+- `x >>> 0` converts a number value to unsigned 32-bit integer.
+
+- `x | 0` converts a number value to signed 32-bit integer.
+
+
 ## Testing
 
 `make test` will run the nodejs-based test.
@@ -68,7 +165,7 @@ To run the in-browser tests, run a local server and go to the `ctest` directory.
 
 To update the browser artifacts, run `make ctest`.
 
-To generate the bits file, use the `crc32` function from python zlib:
+To generate the bits file, use the `crc32` function from python `zlib`:
 
 ```python
 >>> from zlib import crc32
@@ -81,7 +178,7 @@ To generate the bits file, use the `crc32` function from python zlib:
 1834240887
 ```
 
-The included `crc32.njs` script can process files or stdin:
+The included `crc32.njs` script can process files or standard input:
 
 ```bash
 $ echo "this is a test" > t.txt
@@ -89,19 +186,28 @@ $ bin/crc32.njs t.txt
 1912935186
 ```
 
-For comparison, the included `crc32.py` script uses python zlib:
+For comparison, the included `crc32.py` script uses python `zlib`:
 
 ```bash
 $ bin/crc32.py t.txt
 1912935186
 ```
 
+On OSX the command `cksum` generates unsigned CRC-32 with Algorithm 3:
+
+```bash
+$ cksum -o 3 < IE8.Win7.For.Windows.VMware.zip
+1891069052 4161613172
+$ crc32 --unsigned ~/Downloads/IE8.Win7.For.Windows.VMware.zip
+1891069052
+```
+
 ## Performance
 
 `make perf` will run algorithmic performance tests (which should justify certain
 decisions in the code).
 
-[js-adler32](http://git.io/adler32) has more performance notes
+The [`adler-32` project](https://github.com/SheetJS/js-adler32) has more performance notes
 
 ## License
 
@@ -110,8 +216,11 @@ granted by the Apache 2.0 license are reserved by the Original Author.
 
 ## Badges
 
+[![Sauce Test Status](https://saucelabs.com/browser-matrix/crc32.svg)](https://saucelabs.com/u/crc32)
+
 [![Build Status](https://travis-ci.org/SheetJS/js-crc32.svg?branch=master)](https://travis-ci.org/SheetJS/js-crc32)
-
 [![Coverage Status](http://img.shields.io/coveralls/SheetJS/js-crc32/master.svg)](https://coveralls.io/r/SheetJS/js-crc32?branch=master)
-
+[![Dependencies Status](https://david-dm.org/sheetjs/js-crc32/status.svg)](https://david-dm.org/sheetjs/js-crc32)
+[![NPM Downloads](https://img.shields.io/npm/dt/crc-32.svg)](https://npmjs.org/package/crc-32)
+[![ghit.me](https://ghit.me/badge.svg?repo=sheetjs/js-xlsx)](https://ghit.me/repo/sheetjs/js-xlsx)
 [![Analytics](https://ga-beacon.appspot.com/UA-36810333-1/SheetJS/js-crc32?pixel)](https://github.com/SheetJS/js-crc32)

bin/crc32.njs

@@ -1,6 +1,8 @@
 #!/usr/bin/env node
 /* crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
+/* eslint-env node */
 /* vim: set ts=2 ft=javascript: */
+/*jshint node:true */
 
 var X/*:CRC32Module*/;
 try { X = require('../'); } catch(e) { X = require('crc-32'); }
@@ -18,6 +20,7 @@ function help()/*:number*/ {
 "    -u, --unsigned       print result with format `%u`",
 "    -x, --hex            print result with format `%0.8x`",
 "    -X, --HEX            print result with format `%0.8X`",
+"    -c, --crc32c         use CRC32C (Castagnoli)",
 "    -F, --format=<s>     use specified printf format",
 "",
 "Set filename = '-' or pipe data into crc32 to read from stdin",
@@ -30,7 +33,7 @@ function help()/*:number*/ {
 function version()/*:number*/ { console.log(X.version); return 0; }
 
 var fs = require('fs');
-require('exit-on-epipe');
+try { require('exit-on-epipe'); } catch(e) {}
 
 function die(msg/*:string*/, ec/*:?number*/)/*:void*/ { console.error(msg); process.exit(ec || 0); }
 
@@ -49,12 +52,21 @@ for(var i = 0; i < args.length; ++i) {
 		case "--help":     case "-h": process.exit(help()); break;
 		case "--version":  case "-V": process.exit(version()); break;
 
+		case "--crc32c":   case "-c": try { X = require('../crc32c'); } catch(e) { X = require('crc-32/crc32c'); } break;
+
 		case "--signed":   case "-d": fmt = "%d"; break;
 		case "--unsigned": case "-u": fmt = "%u"; break;
 		case "--hex":      case "-x": fmt = "%0.8x"; break;
 		case "--HEX":      case "-X": fmt = "%0.8X"; break;
 		case "--format":   case "-F":
-			fmt = ((m!=arg) ? arg.substr(m.length+1) : args[++i])||""; break;
+			try {
+				require("printj");
+				fmt = ((m!=arg) ? arg.substr(m.length+1) : args[++i])||"";
+			} catch(e) {
+				console.error("The `crc-32` module removed the `printj` dependency for formatting");
+				console.error("Use the `crc32-cli` module instead:");
+				console.error("    $ npx crc32-cli [options] [filename]");
+			} break;
 
 		case "--hex-seed": case "-H": r = 16;
 		/* falls through */
@@ -68,11 +80,26 @@ for(var i = 0; i < args.length; ++i) {
 if(!process.stdin.isTTY) filename = filename || "-";
 if(filename.length===0) die("crc32: must specify a filename ('-' for stdin)",1);
 
-function process_data(data/*:Buffer*/) {
-	var out/*:CRC32Type*/ = X.buf(data, seed);
-	return console.log(fmt === "" ? out : require("printj").sprintf(fmt, out));
-}
+var crc32 = seed;
+// $FlowIgnore -- Writable is callable but type sig disagrees
+var writable = require('stream').Writable();
+writable._write = function(chunk, e, cb) { crc32 = X.buf(chunk, crc32); cb(); };
+writable._writev = function(chunks, cb) {
+	chunks.forEach(function(c) { crc32 = X.buf(c.chunk, crc32);});
+	cb();
+};
+writable.on('finish', function() {
+	if(fmt === "") console.log(crc32);
+	else try { console.log(require("printj").sprintf(fmt, crc32)); } catch(e) {
+		switch(fmt) {
+			case "%d": console.log(crc32); break;
+			case "%u": console.log(crc32 >>> 0); break;
+			case "%0.8x": console.log((crc32 >>> 0).toString(16).padStart(8, "0").toLowerCase()); break;
+			case "%0.8X": console.log((crc32 >>> 0).toString(16).padStart(8, "0").toUpperCase()); break;
+		}
+	}
+});
 
-if(filename === "-") process.stdin.pipe(require('concat-stream')(process_data));
-else if(fs.existsSync(filename)) process_data(fs.readFileSync(filename));
+if(filename === "-") process.stdin.pipe(writable);
+else if(fs.existsSync(filename)) fs.createReadStream(filename).pipe(writable);
 else die("crc32: " + filename + ": No such file or directory", 2);

bits/00_header.js

@@ -1,25 +1,27 @@
-/* crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
+/*! crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
 /* vim: set ts=2: */
 /*exported CRC32 */
-var CRC32;
-/*:: declare var DO_NOT_EXPORT_CRC: any; */
-/*:: declare var define: any; */
-(function (factory) {
+/*:: declare var DO_NOT_EXPORT_CRC:?boolean; */
+/*:: declare function define(cb:()=>any):void; */
+var CRC32/*:CRC32Module*/;
+(function (factory/*:(a:any)=>void*/)/*:void*/ {
 	/*jshint ignore:start */
+	/*eslint-disable */
 	if(typeof DO_NOT_EXPORT_CRC === 'undefined') {
 		if('object' === typeof exports) {
 			factory(exports);
 		} else if ('function' === typeof define && define.amd) {
 			define(function () {
-				var module = {};
+				var module/*:CRC32Module*/ = /*::(*/{}/*:: :any)*/;
 				factory(module);
 				return module;
 			});
 		} else {
-			factory(CRC32 = {});
+			factory(CRC32 = /*::(*/{}/*:: :any)*/);
 		}
 	} else {
-		factory(CRC32 = {});
+		factory(CRC32 = /*::(*/{}/*:: :any)*/);
 	}
+	/*eslint-enable */
 	/*jshint ignore:end */
-}(function(CRC32) {
+}(function(CRC32/*:CRC32Module*/) {

bits/01_version.js

@@ -1 +1 @@
-CRC32.version = '1.0.0';
+CRC32.version = '1.2.3';

bits/10_types.js

@@ -1,5 +1,5 @@
 /*::
 type CRC32Type = number;
-type ABuf = Array<number> | Buffer;
+type ABuf = Array<number> | Buffer | Uint8Array;
 type CRC32TableType = Array<number> | Int32Array;
 */

bits/20_crctable.js

@@ -1,4 +1,3 @@
-/* see perf/crc32table.js */
 /*global Int32Array */
 function signed_crc_table()/*:CRC32TableType*/ {
 	var c = 0, table/*:Array<number>*/ = new Array(256);
@@ -19,4 +18,20 @@ function signed_crc_table()/*:CRC32TableType*/ {
 	return typeof Int32Array !== 'undefined' ? new Int32Array(table) : table;
 }
 
-var T = signed_crc_table();
+var T0 = signed_crc_table();
+function slice_by_16_tables(T) {
+	var c = 0, v = 0, n = 0, table/*:Array<number>*/ = typeof Int32Array !== 'undefined' ? new Int32Array(4096) : new Array(4096) ;
+
+	for(n = 0; n != 256; ++n) table[n] = T[n];
+	for(n = 0; n != 256; ++n) {
+		v = T[n];
+		for(c = 256 + n; c < 4096; c += 256) v = table[c] = (v >>> 8) ^ T[v & 0xFF];
+	}
+	var out = [];
+	for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
+	return out;
+}
+var TT = slice_by_16_tables(T0);
+var T1 = TT[0],  T2 = TT[1],  T3 = TT[2],  T4 = TT[3],  T5 = TT[4];
+var T6 = TT[5],  T7 = TT[6],  T8 = TT[7],  T9 = TT[8],  Ta = TT[9];
+var Tb = TT[10], Tc = TT[11], Td = TT[12], Te = TT[13], Tf = TT[14];

bits/40_crc.js

@@ -1,67 +1,44 @@
-/*# charCodeAt is the best approach for binary strings */
-/*global Buffer */
-var use_buffer = typeof Buffer !== 'undefined';
 function crc32_bstr(bstr/*:string*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
-	if(bstr.length > 32768) if(use_buffer) return crc32_buf_8(new Buffer(bstr), seed);
-	var C = seed/*:: ? 0 : 0 */ ^ -1, L = bstr.length - 1;
-	for(var i = 0; i < L;) {
-		C = (C>>>8) ^ T[(C^bstr.charCodeAt(i++))&0xFF];
-		C = (C>>>8) ^ T[(C^bstr.charCodeAt(i++))&0xFF];
-	}
-	if(i === L) C = (C>>>8) ^ T[(C ^ bstr.charCodeAt(i))&0xFF];
-	return C ^ -1;
+	var C = seed/*:: ? 0 : 0 */ ^ -1;
+	for(var i = 0, L = bstr.length; i < L;) C = (C>>>8) ^ T0[(C^bstr.charCodeAt(i++))&0xFF];
+	return ~C;
 }
 
-function crc32_buf(buf/*:ABuf*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
-	if(buf.length > 10000) return crc32_buf_8(buf, seed);
-	var C = seed/*:: ? 0 : 0 */ ^ -1, L = buf.length - 3;
-	for(var i = 0; i < L;) {
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	}
-	while(i < L+3) C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	return C ^ -1;
+function crc32_buf(B/*:ABuf*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
+	var C = seed/*:: ? 0 : 0 */ ^ -1, L = B.length - 15, i = 0;
+	for(; i < L;) C =
+		Tf[B[i++] ^ (C & 255)] ^
+		Te[B[i++] ^ ((C >> 8) & 255)] ^
+		Td[B[i++] ^ ((C >> 16) & 255)] ^
+		Tc[B[i++] ^ (C >>> 24)] ^
+		Tb[B[i++]] ^ Ta[B[i++]] ^ T9[B[i++]] ^ T8[B[i++]] ^
+		T7[B[i++]] ^ T6[B[i++]] ^ T5[B[i++]] ^ T4[B[i++]] ^
+		T3[B[i++]] ^ T2[B[i++]] ^ T1[B[i++]] ^ T0[B[i++]];
+	L += 15;
+	while(i < L) C = (C>>>8) ^ T0[(C^B[i++])&0xFF];
+	return ~C;
 }
 
-function crc32_buf_8(buf/*:ABuf*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
-	var C = seed/*:: ? 0 : 0 */ ^ -1, L = buf.length - 7;
-	for(var i = 0; i < L;) {
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	}
-	while(i < L+7) C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	return C ^ -1;
-}
-
-/*# much much faster to intertwine utf8 and C */
 function crc32_str(str/*:string*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
 	var C = seed/*:: ? 0 : 0 */ ^ -1;
-	for(var i = 0, L=str.length, c, d; i < L;) {
+	for(var i = 0, L = str.length, c = 0, d = 0; i < L;) {
 		c = str.charCodeAt(i++);
 		if(c < 0x80) {
-			C = (C>>>8) ^ T[(C ^ c)&0xFF];
+			C = (C>>>8) ^ T0[(C^c)&0xFF];
 		} else if(c < 0x800) {
-			C = (C>>>8) ^ T[(C ^ (192|((c>>6)&31)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|(c&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (192|((c>>6)&31)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
 		} else if(c >= 0xD800 && c < 0xE000) {
 			c = (c&1023)+64; d = str.charCodeAt(i++)&1023;
-			C = (C>>>8) ^ T[(C ^ (240|((c>>8)&7)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|((c>>2)&63)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|(d&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (240|((c>>8)&7)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>2)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(d&63)))&0xFF];
 		} else {
-			C = (C>>>8) ^ T[(C ^ (224|((c>>12)&15)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|((c>>6)&63)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|(c&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (224|((c>>12)&15)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>6)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
 		}
 	}
-	return C ^ -1;
+	return ~C;
 }

bits/90_exports.js

@@ -1,4 +1,7 @@
-CRC32.table = T;
+CRC32.table = T0;
+// $FlowIgnore
 CRC32.bstr = crc32_bstr;
+// $FlowIgnore
 CRC32.buf = crc32_buf;
+// $FlowIgnore
 CRC32.str = crc32_str;

crc32.flow.js

@@ -1,35 +1,36 @@
-/* crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
+/*! crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
 /* vim: set ts=2: */
 /*exported CRC32 */
-var CRC32;
-/*:: declare var DO_NOT_EXPORT_CRC: any; */
-/*:: declare var define: any; */
-(function (factory) {
+/*:: declare var DO_NOT_EXPORT_CRC:?boolean; */
+/*:: declare function define(cb:()=>any):void; */
+var CRC32/*:CRC32Module*/;
+(function (factory/*:(a:any)=>void*/)/*:void*/ {
 	/*jshint ignore:start */
+	/*eslint-disable */
 	if(typeof DO_NOT_EXPORT_CRC === 'undefined') {
 		if('object' === typeof exports) {
 			factory(exports);
 		} else if ('function' === typeof define && define.amd) {
 			define(function () {
-				var module = {};
+				var module/*:CRC32Module*/ = /*::(*/{}/*:: :any)*/;
 				factory(module);
 				return module;
 			});
 		} else {
-			factory(CRC32 = {});
+			factory(CRC32 = /*::(*/{}/*:: :any)*/);
 		}
 	} else {
-		factory(CRC32 = {});
+		factory(CRC32 = /*::(*/{}/*:: :any)*/);
 	}
+	/*eslint-enable */
 	/*jshint ignore:end */
-}(function(CRC32) {
-CRC32.version = '1.0.0';
+}(function(CRC32/*:CRC32Module*/) {
+CRC32.version = '1.2.3';
 /*::
 type CRC32Type = number;
-type ABuf = Array<number> | Buffer;
+type ABuf = Array<number> | Buffer | Uint8Array;
 type CRC32TableType = Array<number> | Int32Array;
 */
-/* see perf/crc32table.js */
 /*global Int32Array */
 function signed_crc_table()/*:CRC32TableType*/ {
 	var c = 0, table/*:Array<number>*/ = new Array(256);
@@ -50,76 +51,72 @@ function signed_crc_table()/*:CRC32TableType*/ {
 	return typeof Int32Array !== 'undefined' ? new Int32Array(table) : table;
 }
 
-var T = signed_crc_table();
-/*# charCodeAt is the best approach for binary strings */
-/*global Buffer */
-var use_buffer = typeof Buffer !== 'undefined';
+var T0 = signed_crc_table();
+function slice_by_16_tables(T) {
+	var c = 0, v = 0, n = 0, table/*:Array<number>*/ = typeof Int32Array !== 'undefined' ? new Int32Array(4096) : new Array(4096) ;
+
+	for(n = 0; n != 256; ++n) table[n] = T[n];
+	for(n = 0; n != 256; ++n) {
+		v = T[n];
+		for(c = 256 + n; c < 4096; c += 256) v = table[c] = (v >>> 8) ^ T[v & 0xFF];
+	}
+	var out = [];
+	for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
+	return out;
+}
+var TT = slice_by_16_tables(T0);
+var T1 = TT[0],  T2 = TT[1],  T3 = TT[2],  T4 = TT[3],  T5 = TT[4];
+var T6 = TT[5],  T7 = TT[6],  T8 = TT[7],  T9 = TT[8],  Ta = TT[9];
+var Tb = TT[10], Tc = TT[11], Td = TT[12], Te = TT[13], Tf = TT[14];
 function crc32_bstr(bstr/*:string*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
-	if(bstr.length > 32768) if(use_buffer) return crc32_buf_8(new Buffer(bstr), seed);
-	var C = seed/*:: ? 0 : 0 */ ^ -1, L = bstr.length - 1;
-	for(var i = 0; i < L;) {
-		C = (C>>>8) ^ T[(C^bstr.charCodeAt(i++))&0xFF];
-		C = (C>>>8) ^ T[(C^bstr.charCodeAt(i++))&0xFF];
-	}
-	if(i === L) C = (C>>>8) ^ T[(C ^ bstr.charCodeAt(i))&0xFF];
-	return C ^ -1;
+	var C = seed/*:: ? 0 : 0 */ ^ -1;
+	for(var i = 0, L = bstr.length; i < L;) C = (C>>>8) ^ T0[(C^bstr.charCodeAt(i++))&0xFF];
+	return ~C;
 }
 
-function crc32_buf(buf/*:ABuf*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
-	if(buf.length > 10000) return crc32_buf_8(buf, seed);
-	var C = seed/*:: ? 0 : 0 */ ^ -1, L = buf.length - 3;
-	for(var i = 0; i < L;) {
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	}
-	while(i < L+3) C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	return C ^ -1;
+function crc32_buf(B/*:ABuf*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
+	var C = seed/*:: ? 0 : 0 */ ^ -1, L = B.length - 15, i = 0;
+	for(; i < L;) C =
+		Tf[B[i++] ^ (C & 255)] ^
+		Te[B[i++] ^ ((C >> 8) & 255)] ^
+		Td[B[i++] ^ ((C >> 16) & 255)] ^
+		Tc[B[i++] ^ (C >>> 24)] ^
+		Tb[B[i++]] ^ Ta[B[i++]] ^ T9[B[i++]] ^ T8[B[i++]] ^
+		T7[B[i++]] ^ T6[B[i++]] ^ T5[B[i++]] ^ T4[B[i++]] ^
+		T3[B[i++]] ^ T2[B[i++]] ^ T1[B[i++]] ^ T0[B[i++]];
+	L += 15;
+	while(i < L) C = (C>>>8) ^ T0[(C^B[i++])&0xFF];
+	return ~C;
 }
 
-function crc32_buf_8(buf/*:ABuf*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
-	var C = seed/*:: ? 0 : 0 */ ^ -1, L = buf.length - 7;
-	for(var i = 0; i < L;) {
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	}
-	while(i < L+7) C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	return C ^ -1;
-}
-
-/*# much much faster to intertwine utf8 and C */
 function crc32_str(str/*:string*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
 	var C = seed/*:: ? 0 : 0 */ ^ -1;
-	for(var i = 0, L=str.length, c, d; i < L;) {
+	for(var i = 0, L = str.length, c = 0, d = 0; i < L;) {
 		c = str.charCodeAt(i++);
 		if(c < 0x80) {
-			C = (C>>>8) ^ T[(C ^ c)&0xFF];
+			C = (C>>>8) ^ T0[(C^c)&0xFF];
 		} else if(c < 0x800) {
-			C = (C>>>8) ^ T[(C ^ (192|((c>>6)&31)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|(c&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (192|((c>>6)&31)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
 		} else if(c >= 0xD800 && c < 0xE000) {
 			c = (c&1023)+64; d = str.charCodeAt(i++)&1023;
-			C = (C>>>8) ^ T[(C ^ (240|((c>>8)&7)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|((c>>2)&63)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|(d&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (240|((c>>8)&7)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>2)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(d&63)))&0xFF];
 		} else {
-			C = (C>>>8) ^ T[(C ^ (224|((c>>12)&15)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|((c>>6)&63)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|(c&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (224|((c>>12)&15)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>6)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
 		}
 	}
-	return C ^ -1;
+	return ~C;
 }
-CRC32.table = T;
+CRC32.table = T0;
+// $FlowIgnore
 CRC32.bstr = crc32_bstr;
+// $FlowIgnore
 CRC32.buf = crc32_buf;
+// $FlowIgnore
 CRC32.str = crc32_str;
 }));

crc32.js

@@ -1,9 +1,10 @@
-/* crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
+/*! crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
 /* vim: set ts=2: */
 /*exported CRC32 */
 var CRC32;
 (function (factory) {
 	/*jshint ignore:start */
+	/*eslint-disable */
 	if(typeof DO_NOT_EXPORT_CRC === 'undefined') {
 		if('object' === typeof exports) {
 			factory(exports);
@@ -19,10 +20,10 @@ var CRC32;
 	} else {
 		factory(CRC32 = {});
 	}
+	/*eslint-enable */
 	/*jshint ignore:end */
 }(function(CRC32) {
-CRC32.version = '1.0.0';
-/* see perf/crc32table.js */
+CRC32.version = '1.2.3';
 /*global Int32Array */
 function signed_crc_table() {
 	var c = 0, table = new Array(256);
@@ -43,74 +44,72 @@ function signed_crc_table() {
 	return typeof Int32Array !== 'undefined' ? new Int32Array(table) : table;
 }
 
-var T = signed_crc_table();
-/*global Buffer */
-var use_buffer = typeof Buffer !== 'undefined';
+var T0 = signed_crc_table();
+function slice_by_16_tables(T) {
+	var c = 0, v = 0, n = 0, table = typeof Int32Array !== 'undefined' ? new Int32Array(4096) : new Array(4096) ;
+
+	for(n = 0; n != 256; ++n) table[n] = T[n];
+	for(n = 0; n != 256; ++n) {
+		v = T[n];
+		for(c = 256 + n; c < 4096; c += 256) v = table[c] = (v >>> 8) ^ T[v & 0xFF];
+	}
+	var out = [];
+	for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
+	return out;
+}
+var TT = slice_by_16_tables(T0);
+var T1 = TT[0],  T2 = TT[1],  T3 = TT[2],  T4 = TT[3],  T5 = TT[4];
+var T6 = TT[5],  T7 = TT[6],  T8 = TT[7],  T9 = TT[8],  Ta = TT[9];
+var Tb = TT[10], Tc = TT[11], Td = TT[12], Te = TT[13], Tf = TT[14];
 function crc32_bstr(bstr, seed) {
-	if(bstr.length > 32768) if(use_buffer) return crc32_buf_8(new Buffer(bstr), seed);
-	var C = seed ^ -1, L = bstr.length - 1;
-	for(var i = 0; i < L;) {
-		C = (C>>>8) ^ T[(C^bstr.charCodeAt(i++))&0xFF];
-		C = (C>>>8) ^ T[(C^bstr.charCodeAt(i++))&0xFF];
-	}
-	if(i === L) C = (C>>>8) ^ T[(C ^ bstr.charCodeAt(i))&0xFF];
-	return C ^ -1;
+	var C = seed ^ -1;
+	for(var i = 0, L = bstr.length; i < L;) C = (C>>>8) ^ T0[(C^bstr.charCodeAt(i++))&0xFF];
+	return ~C;
 }
 
-function crc32_buf(buf, seed) {
-	if(buf.length > 10000) return crc32_buf_8(buf, seed);
-	var C = seed ^ -1, L = buf.length - 3;
-	for(var i = 0; i < L;) {
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	}
-	while(i < L+3) C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	return C ^ -1;
-}
-
-function crc32_buf_8(buf, seed) {
-	var C = seed ^ -1, L = buf.length - 7;
-	for(var i = 0; i < L;) {
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	}
-	while(i < L+7) C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	return C ^ -1;
+function crc32_buf(B, seed) {
+	var C = seed ^ -1, L = B.length - 15, i = 0;
+	for(; i < L;) C =
+		Tf[B[i++] ^ (C & 255)] ^
+		Te[B[i++] ^ ((C >> 8) & 255)] ^
+		Td[B[i++] ^ ((C >> 16) & 255)] ^
+		Tc[B[i++] ^ (C >>> 24)] ^
+		Tb[B[i++]] ^ Ta[B[i++]] ^ T9[B[i++]] ^ T8[B[i++]] ^
+		T7[B[i++]] ^ T6[B[i++]] ^ T5[B[i++]] ^ T4[B[i++]] ^
+		T3[B[i++]] ^ T2[B[i++]] ^ T1[B[i++]] ^ T0[B[i++]];
+	L += 15;
+	while(i < L) C = (C>>>8) ^ T0[(C^B[i++])&0xFF];
+	return ~C;
 }
 
 function crc32_str(str, seed) {
 	var C = seed ^ -1;
-	for(var i = 0, L=str.length, c, d; i < L;) {
+	for(var i = 0, L = str.length, c = 0, d = 0; i < L;) {
 		c = str.charCodeAt(i++);
 		if(c < 0x80) {
-			C = (C>>>8) ^ T[(C ^ c)&0xFF];
+			C = (C>>>8) ^ T0[(C^c)&0xFF];
 		} else if(c < 0x800) {
-			C = (C>>>8) ^ T[(C ^ (192|((c>>6)&31)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|(c&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (192|((c>>6)&31)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
 		} else if(c >= 0xD800 && c < 0xE000) {
 			c = (c&1023)+64; d = str.charCodeAt(i++)&1023;
-			C = (C>>>8) ^ T[(C ^ (240|((c>>8)&7)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|((c>>2)&63)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|(d&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (240|((c>>8)&7)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>2)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(d&63)))&0xFF];
 		} else {
-			C = (C>>>8) ^ T[(C ^ (224|((c>>12)&15)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|((c>>6)&63)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|(c&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (224|((c>>12)&15)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>6)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
 		}
 	}
-	return C ^ -1;
+	return ~C;
 }
-CRC32.table = T;
+CRC32.table = T0;
+// $FlowIgnore
 CRC32.bstr = crc32_bstr;
+// $FlowIgnore
 CRC32.buf = crc32_buf;
+// $FlowIgnore
 CRC32.str = crc32_str;
 }));

crc32.mjs

@@ -0,0 +1,95 @@
+/*! crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
+/* vim: set ts=2: */
+var CRC32 = {};
+CRC32.version = '1.2.3';
+/*::
+type CRC32Type = number;
+type ABuf = Array<number> | Buffer | Uint8Array;
+type CRC32TableType = Array<number> | Int32Array;
+*/
+/*global Int32Array */
+function signed_crc_table()/*:CRC32TableType*/ {
+	var c = 0, table/*:Array<number>*/ = new Array(256);
+
+	for(var n =0; n != 256; ++n){
+		c = n;
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		table[n] = c;
+	}
+
+	return typeof Int32Array !== 'undefined' ? new Int32Array(table) : table;
+}
+
+var T0 = signed_crc_table();
+function slice_by_16_tables(T) {
+	var c = 0, v = 0, n = 0, table/*:Array<number>*/ = typeof Int32Array !== 'undefined' ? new Int32Array(4096) : new Array(4096) ;
+
+	for(n = 0; n != 256; ++n) table[n] = T[n];
+	for(n = 0; n != 256; ++n) {
+		v = T[n];
+		for(c = 256 + n; c < 4096; c += 256) v = table[c] = (v >>> 8) ^ T[v & 0xFF];
+	}
+	var out = [];
+	for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
+	return out;
+}
+var TT = slice_by_16_tables(T0);
+var T1 = TT[0],  T2 = TT[1],  T3 = TT[2],  T4 = TT[3],  T5 = TT[4];
+var T6 = TT[5],  T7 = TT[6],  T8 = TT[7],  T9 = TT[8],  Ta = TT[9];
+var Tb = TT[10], Tc = TT[11], Td = TT[12], Te = TT[13], Tf = TT[14];
+function crc32_bstr(bstr/*:string*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
+	var C = seed/*:: ? 0 : 0 */ ^ -1;
+	for(var i = 0, L = bstr.length; i < L;) C = (C>>>8) ^ T0[(C^bstr.charCodeAt(i++))&0xFF];
+	return ~C;
+}
+
+function crc32_buf(B/*:ABuf*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
+	var C = seed/*:: ? 0 : 0 */ ^ -1, L = B.length - 15, i = 0;
+	for(; i < L;) C =
+		Tf[B[i++] ^ (C & 255)] ^
+		Te[B[i++] ^ ((C >> 8) & 255)] ^
+		Td[B[i++] ^ ((C >> 16) & 255)] ^
+		Tc[B[i++] ^ (C >>> 24)] ^
+		Tb[B[i++]] ^ Ta[B[i++]] ^ T9[B[i++]] ^ T8[B[i++]] ^
+		T7[B[i++]] ^ T6[B[i++]] ^ T5[B[i++]] ^ T4[B[i++]] ^
+		T3[B[i++]] ^ T2[B[i++]] ^ T1[B[i++]] ^ T0[B[i++]];
+	L += 15;
+	while(i < L) C = (C>>>8) ^ T0[(C^B[i++])&0xFF];
+	return ~C;
+}
+
+function crc32_str(str/*:string*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
+	var C = seed/*:: ? 0 : 0 */ ^ -1;
+	for(var i = 0, L = str.length, c = 0, d = 0; i < L;) {
+		c = str.charCodeAt(i++);
+		if(c < 0x80) {
+			C = (C>>>8) ^ T0[(C^c)&0xFF];
+		} else if(c < 0x800) {
+			C = (C>>>8) ^ T0[(C ^ (192|((c>>6)&31)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
+		} else if(c >= 0xD800 && c < 0xE000) {
+			c = (c&1023)+64; d = str.charCodeAt(i++)&1023;
+			C = (C>>>8) ^ T0[(C ^ (240|((c>>8)&7)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>2)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(d&63)))&0xFF];
+		} else {
+			C = (C>>>8) ^ T0[(C ^ (224|((c>>12)&15)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>6)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
+		}
+	}
+	return ~C;
+}
+export const version = CRC32.version;
+export const table = T0;
+export const bstr = crc32_bstr;
+export const buf = crc32_buf;
+export const str = crc32_str;

crc32c.flow.js

@@ -0,0 +1,122 @@
+/*! crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
+/* vim: set ts=2: */
+/*exported CRC32C */
+/*:: declare var DO_NOT_EXPORT_CRC:?boolean; */
+/*:: declare function define(cb:()=>any):void; */
+var CRC32C/*:CRC32Module*/;
+(function (factory/*:(a:any)=>void*/)/*:void*/ {
+	/*jshint ignore:start */
+	/*eslint-disable */
+	if(typeof DO_NOT_EXPORT_CRC === 'undefined') {
+		if('object' === typeof exports) {
+			factory(exports);
+		} else if ('function' === typeof define && define.amd) {
+			define(function () {
+				var module/*:CRC32Module*/ = /*::(*/{}/*:: :any)*/;
+				factory(module);
+				return module;
+			});
+		} else {
+			factory(CRC32C = /*::(*/{}/*:: :any)*/);
+		}
+	} else {
+		factory(CRC32C = /*::(*/{}/*:: :any)*/);
+	}
+	/*eslint-enable */
+	/*jshint ignore:end */
+}(function(CRC32C/*:CRC32Module*/) {
+CRC32C.version = '1.2.3';
+/*::
+type CRC32Type = number;
+type ABuf = Array<number> | Buffer | Uint8Array;
+type CRC32TableType = Array<number> | Int32Array;
+*/
+/*global Int32Array */
+function signed_crc_table()/*:CRC32TableType*/ {
+	var c = 0, table/*:Array<number>*/ = new Array(256);
+
+	for(var n =0; n != 256; ++n){
+		c = n;
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		table[n] = c;
+	}
+
+	return typeof Int32Array !== 'undefined' ? new Int32Array(table) : table;
+}
+
+var T0 = signed_crc_table();
+function slice_by_16_tables(T) {
+	var c = 0, v = 0, n = 0, table/*:Array<number>*/ = typeof Int32Array !== 'undefined' ? new Int32Array(4096) : new Array(4096) ;
+
+	for(n = 0; n != 256; ++n) table[n] = T[n];
+	for(n = 0; n != 256; ++n) {
+		v = T[n];
+		for(c = 256 + n; c < 4096; c += 256) v = table[c] = (v >>> 8) ^ T[v & 0xFF];
+	}
+	var out = [];
+	for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
+	return out;
+}
+var TT = slice_by_16_tables(T0);
+var T1 = TT[0],  T2 = TT[1],  T3 = TT[2],  T4 = TT[3],  T5 = TT[4];
+var T6 = TT[5],  T7 = TT[6],  T8 = TT[7],  T9 = TT[8],  Ta = TT[9];
+var Tb = TT[10], Tc = TT[11], Td = TT[12], Te = TT[13], Tf = TT[14];
+function crc32_bstr(bstr/*:string*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
+	var C = seed/*:: ? 0 : 0 */ ^ -1;
+	for(var i = 0, L = bstr.length; i < L;) C = (C>>>8) ^ T0[(C^bstr.charCodeAt(i++))&0xFF];
+	return ~C;
+}
+
+function crc32_buf(B/*:ABuf*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
+	var C = seed/*:: ? 0 : 0 */ ^ -1, L = B.length - 15, i = 0;
+	for(; i < L;) C =
+		Tf[B[i++] ^ (C & 255)] ^
+		Te[B[i++] ^ ((C >> 8) & 255)] ^
+		Td[B[i++] ^ ((C >> 16) & 255)] ^
+		Tc[B[i++] ^ (C >>> 24)] ^
+		Tb[B[i++]] ^ Ta[B[i++]] ^ T9[B[i++]] ^ T8[B[i++]] ^
+		T7[B[i++]] ^ T6[B[i++]] ^ T5[B[i++]] ^ T4[B[i++]] ^
+		T3[B[i++]] ^ T2[B[i++]] ^ T1[B[i++]] ^ T0[B[i++]];
+	L += 15;
+	while(i < L) C = (C>>>8) ^ T0[(C^B[i++])&0xFF];
+	return ~C;
+}
+
+function crc32_str(str/*:string*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
+	var C = seed/*:: ? 0 : 0 */ ^ -1;
+	for(var i = 0, L = str.length, c = 0, d = 0; i < L;) {
+		c = str.charCodeAt(i++);
+		if(c < 0x80) {
+			C = (C>>>8) ^ T0[(C^c)&0xFF];
+		} else if(c < 0x800) {
+			C = (C>>>8) ^ T0[(C ^ (192|((c>>6)&31)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
+		} else if(c >= 0xD800 && c < 0xE000) {
+			c = (c&1023)+64; d = str.charCodeAt(i++)&1023;
+			C = (C>>>8) ^ T0[(C ^ (240|((c>>8)&7)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>2)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(d&63)))&0xFF];
+		} else {
+			C = (C>>>8) ^ T0[(C ^ (224|((c>>12)&15)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>6)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
+		}
+	}
+	return ~C;
+}
+CRC32C.table = T0;
+// $FlowIgnore
+CRC32C.bstr = crc32_bstr;
+// $FlowIgnore
+CRC32C.buf = crc32_buf;
+// $FlowIgnore
+CRC32C.str = crc32_str;
+}));

crc32c.js

@@ -0,0 +1,115 @@
+/*! crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
+/* vim: set ts=2: */
+/*exported CRC32C */
+var CRC32C;
+(function (factory) {
+	/*jshint ignore:start */
+	/*eslint-disable */
+	if(typeof DO_NOT_EXPORT_CRC === 'undefined') {
+		if('object' === typeof exports) {
+			factory(exports);
+		} else if ('function' === typeof define && define.amd) {
+			define(function () {
+				var module = {};
+				factory(module);
+				return module;
+			});
+		} else {
+			factory(CRC32C = {});
+		}
+	} else {
+		factory(CRC32C = {});
+	}
+	/*eslint-enable */
+	/*jshint ignore:end */
+}(function(CRC32C) {
+CRC32C.version = '1.2.3';
+/*global Int32Array */
+function signed_crc_table() {
+	var c = 0, table = new Array(256);
+
+	for(var n =0; n != 256; ++n){
+		c = n;
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		table[n] = c;
+	}
+
+	return typeof Int32Array !== 'undefined' ? new Int32Array(table) : table;
+}
+
+var T0 = signed_crc_table();
+function slice_by_16_tables(T) {
+	var c = 0, v = 0, n = 0, table = typeof Int32Array !== 'undefined' ? new Int32Array(4096) : new Array(4096) ;
+
+	for(n = 0; n != 256; ++n) table[n] = T[n];
+	for(n = 0; n != 256; ++n) {
+		v = T[n];
+		for(c = 256 + n; c < 4096; c += 256) v = table[c] = (v >>> 8) ^ T[v & 0xFF];
+	}
+	var out = [];
+	for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
+	return out;
+}
+var TT = slice_by_16_tables(T0);
+var T1 = TT[0],  T2 = TT[1],  T3 = TT[2],  T4 = TT[3],  T5 = TT[4];
+var T6 = TT[5],  T7 = TT[6],  T8 = TT[7],  T9 = TT[8],  Ta = TT[9];
+var Tb = TT[10], Tc = TT[11], Td = TT[12], Te = TT[13], Tf = TT[14];
+function crc32_bstr(bstr, seed) {
+	var C = seed ^ -1;
+	for(var i = 0, L = bstr.length; i < L;) C = (C>>>8) ^ T0[(C^bstr.charCodeAt(i++))&0xFF];
+	return ~C;
+}
+
+function crc32_buf(B, seed) {
+	var C = seed ^ -1, L = B.length - 15, i = 0;
+	for(; i < L;) C =
+		Tf[B[i++] ^ (C & 255)] ^
+		Te[B[i++] ^ ((C >> 8) & 255)] ^
+		Td[B[i++] ^ ((C >> 16) & 255)] ^
+		Tc[B[i++] ^ (C >>> 24)] ^
+		Tb[B[i++]] ^ Ta[B[i++]] ^ T9[B[i++]] ^ T8[B[i++]] ^
+		T7[B[i++]] ^ T6[B[i++]] ^ T5[B[i++]] ^ T4[B[i++]] ^
+		T3[B[i++]] ^ T2[B[i++]] ^ T1[B[i++]] ^ T0[B[i++]];
+	L += 15;
+	while(i < L) C = (C>>>8) ^ T0[(C^B[i++])&0xFF];
+	return ~C;
+}
+
+function crc32_str(str, seed) {
+	var C = seed ^ -1;
+	for(var i = 0, L = str.length, c = 0, d = 0; i < L;) {
+		c = str.charCodeAt(i++);
+		if(c < 0x80) {
+			C = (C>>>8) ^ T0[(C^c)&0xFF];
+		} else if(c < 0x800) {
+			C = (C>>>8) ^ T0[(C ^ (192|((c>>6)&31)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
+		} else if(c >= 0xD800 && c < 0xE000) {
+			c = (c&1023)+64; d = str.charCodeAt(i++)&1023;
+			C = (C>>>8) ^ T0[(C ^ (240|((c>>8)&7)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>2)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(d&63)))&0xFF];
+		} else {
+			C = (C>>>8) ^ T0[(C ^ (224|((c>>12)&15)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>6)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
+		}
+	}
+	return ~C;
+}
+CRC32C.table = T0;
+// $FlowIgnore
+CRC32C.bstr = crc32_bstr;
+// $FlowIgnore
+CRC32C.buf = crc32_buf;
+// $FlowIgnore
+CRC32C.str = crc32_str;
+}));

crc32c.mjs

@@ -0,0 +1,95 @@
+/*! crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
+/* vim: set ts=2: */
+var CRC32C = {};
+CRC32C.version = '1.2.3';
+/*::
+type CRC32Type = number;
+type ABuf = Array<number> | Buffer | Uint8Array;
+type CRC32TableType = Array<number> | Int32Array;
+*/
+/*global Int32Array */
+function signed_crc_table()/*:CRC32TableType*/ {
+	var c = 0, table/*:Array<number>*/ = new Array(256);
+
+	for(var n =0; n != 256; ++n){
+		c = n;
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-2097792136 ^ (c >>> 1)) : (c >>> 1));
+		table[n] = c;
+	}
+
+	return typeof Int32Array !== 'undefined' ? new Int32Array(table) : table;
+}
+
+var T0 = signed_crc_table();
+function slice_by_16_tables(T) {
+	var c = 0, v = 0, n = 0, table/*:Array<number>*/ = typeof Int32Array !== 'undefined' ? new Int32Array(4096) : new Array(4096) ;
+
+	for(n = 0; n != 256; ++n) table[n] = T[n];
+	for(n = 0; n != 256; ++n) {
+		v = T[n];
+		for(c = 256 + n; c < 4096; c += 256) v = table[c] = (v >>> 8) ^ T[v & 0xFF];
+	}
+	var out = [];
+	for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
+	return out;
+}
+var TT = slice_by_16_tables(T0);
+var T1 = TT[0],  T2 = TT[1],  T3 = TT[2],  T4 = TT[3],  T5 = TT[4];
+var T6 = TT[5],  T7 = TT[6],  T8 = TT[7],  T9 = TT[8],  Ta = TT[9];
+var Tb = TT[10], Tc = TT[11], Td = TT[12], Te = TT[13], Tf = TT[14];
+function crc32_bstr(bstr/*:string*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
+	var C = seed/*:: ? 0 : 0 */ ^ -1;
+	for(var i = 0, L = bstr.length; i < L;) C = (C>>>8) ^ T0[(C^bstr.charCodeAt(i++))&0xFF];
+	return ~C;
+}
+
+function crc32_buf(B/*:ABuf*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
+	var C = seed/*:: ? 0 : 0 */ ^ -1, L = B.length - 15, i = 0;
+	for(; i < L;) C =
+		Tf[B[i++] ^ (C & 255)] ^
+		Te[B[i++] ^ ((C >> 8) & 255)] ^
+		Td[B[i++] ^ ((C >> 16) & 255)] ^
+		Tc[B[i++] ^ (C >>> 24)] ^
+		Tb[B[i++]] ^ Ta[B[i++]] ^ T9[B[i++]] ^ T8[B[i++]] ^
+		T7[B[i++]] ^ T6[B[i++]] ^ T5[B[i++]] ^ T4[B[i++]] ^
+		T3[B[i++]] ^ T2[B[i++]] ^ T1[B[i++]] ^ T0[B[i++]];
+	L += 15;
+	while(i < L) C = (C>>>8) ^ T0[(C^B[i++])&0xFF];
+	return ~C;
+}
+
+function crc32_str(str/*:string*/, seed/*:?CRC32Type*/)/*:CRC32Type*/ {
+	var C = seed/*:: ? 0 : 0 */ ^ -1;
+	for(var i = 0, L = str.length, c = 0, d = 0; i < L;) {
+		c = str.charCodeAt(i++);
+		if(c < 0x80) {
+			C = (C>>>8) ^ T0[(C^c)&0xFF];
+		} else if(c < 0x800) {
+			C = (C>>>8) ^ T0[(C ^ (192|((c>>6)&31)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
+		} else if(c >= 0xD800 && c < 0xE000) {
+			c = (c&1023)+64; d = str.charCodeAt(i++)&1023;
+			C = (C>>>8) ^ T0[(C ^ (240|((c>>8)&7)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>2)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(d&63)))&0xFF];
+		} else {
+			C = (C>>>8) ^ T0[(C ^ (224|((c>>12)&15)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>6)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
+		}
+	}
+	return ~C;
+}
+export const version = CRC32C.version;
+export const table = T0;
+export const bstr = crc32_bstr;
+export const buf = crc32_buf;
+export const str = crc32_str;

ctest/crc32.js

@@ -1,9 +1,10 @@
-/* crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
+/*! crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
 /* vim: set ts=2: */
 /*exported CRC32 */
 var CRC32;
 (function (factory) {
 	/*jshint ignore:start */
+	/*eslint-disable */
 	if(typeof DO_NOT_EXPORT_CRC === 'undefined') {
 		if('object' === typeof exports) {
 			factory(exports);
@@ -19,10 +20,10 @@ var CRC32;
 	} else {
 		factory(CRC32 = {});
 	}
+	/*eslint-enable */
 	/*jshint ignore:end */
 }(function(CRC32) {
-CRC32.version = '1.0.0';
-/* see perf/crc32table.js */
+CRC32.version = '1.2.2';
 /*global Int32Array */
 function signed_crc_table() {
 	var c = 0, table = new Array(256);
@@ -43,74 +44,72 @@ function signed_crc_table() {
 	return typeof Int32Array !== 'undefined' ? new Int32Array(table) : table;
 }
 
-var T = signed_crc_table();
-/*global Buffer */
-var use_buffer = typeof Buffer !== 'undefined';
+var T0 = signed_crc_table();
+function slice_by_16_tables(T) {
+	var c = 0, v = 0, n = 0, table = typeof Int32Array !== 'undefined' ? new Int32Array(4096) : new Array(4096) ;
+
+	for(n = 0; n != 256; ++n) table[n] = T[n];
+	for(n = 0; n != 256; ++n) {
+		v = T[n];
+		for(c = 256 + n; c < 4096; c += 256) v = table[c] = (v >>> 8) ^ T[v & 0xFF];
+	}
+	var out = [];
+	for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
+	return out;
+}
+var TT = slice_by_16_tables(T0);
+var T1 = TT[0],  T2 = TT[1],  T3 = TT[2],  T4 = TT[3],  T5 = TT[4];
+var T6 = TT[5],  T7 = TT[6],  T8 = TT[7],  T9 = TT[8],  Ta = TT[9];
+var Tb = TT[10], Tc = TT[11], Td = TT[12], Te = TT[13], Tf = TT[14];
 function crc32_bstr(bstr, seed) {
-	if(bstr.length > 32768) if(use_buffer) return crc32_buf_8(new Buffer(bstr), seed);
-	var C = seed ^ -1, L = bstr.length - 1;
-	for(var i = 0; i < L;) {
-		C = (C>>>8) ^ T[(C^bstr.charCodeAt(i++))&0xFF];
-		C = (C>>>8) ^ T[(C^bstr.charCodeAt(i++))&0xFF];
-	}
-	if(i === L) C = (C>>>8) ^ T[(C ^ bstr.charCodeAt(i))&0xFF];
-	return C ^ -1;
+	var C = seed ^ -1;
+	for(var i = 0, L = bstr.length; i < L;) C = (C>>>8) ^ T0[(C^bstr.charCodeAt(i++))&0xFF];
+	return ~C;
 }
 
-function crc32_buf(buf, seed) {
-	if(buf.length > 10000) return crc32_buf_8(buf, seed);
-	var C = seed ^ -1, L = buf.length - 3;
-	for(var i = 0; i < L;) {
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	}
-	while(i < L+3) C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	return C ^ -1;
-}
-
-function crc32_buf_8(buf, seed) {
-	var C = seed ^ -1, L = buf.length - 7;
-	for(var i = 0; i < L;) {
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	}
-	while(i < L+7) C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
-	return C ^ -1;
+function crc32_buf(B, seed) {
+	var C = seed ^ -1, L = B.length - 15, i = 0;
+	for(; i < L;) C =
+		Tf[B[i++] ^ (C & 255)] ^
+		Te[B[i++] ^ ((C >> 8) & 255)] ^
+		Td[B[i++] ^ ((C >> 16) & 255)] ^
+		Tc[B[i++] ^ (C >>> 24)] ^
+		Tb[B[i++]] ^ Ta[B[i++]] ^ T9[B[i++]] ^ T8[B[i++]] ^
+		T7[B[i++]] ^ T6[B[i++]] ^ T5[B[i++]] ^ T4[B[i++]] ^
+		T3[B[i++]] ^ T2[B[i++]] ^ T1[B[i++]] ^ T0[B[i++]];
+	L += 15;
+	while(i < L) C = (C>>>8) ^ T0[(C^B[i++])&0xFF];
+	return ~C;
 }
 
 function crc32_str(str, seed) {
 	var C = seed ^ -1;
-	for(var i = 0, L=str.length, c, d; i < L;) {
+	for(var i = 0, L = str.length, c = 0, d = 0; i < L;) {
 		c = str.charCodeAt(i++);
 		if(c < 0x80) {
-			C = (C>>>8) ^ T[(C ^ c)&0xFF];
+			C = (C>>>8) ^ T0[(C^c)&0xFF];
 		} else if(c < 0x800) {
-			C = (C>>>8) ^ T[(C ^ (192|((c>>6)&31)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|(c&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (192|((c>>6)&31)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
 		} else if(c >= 0xD800 && c < 0xE000) {
 			c = (c&1023)+64; d = str.charCodeAt(i++)&1023;
-			C = (C>>>8) ^ T[(C ^ (240|((c>>8)&7)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|((c>>2)&63)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|(d&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (240|((c>>8)&7)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>2)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(d&63)))&0xFF];
 		} else {
-			C = (C>>>8) ^ T[(C ^ (224|((c>>12)&15)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|((c>>6)&63)))&0xFF];
-			C = (C>>>8) ^ T[(C ^ (128|(c&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (224|((c>>12)&15)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|((c>>6)&63)))&0xFF];
+			C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
 		}
 	}
-	return C ^ -1;
+	return ~C;
 }
-CRC32.table = T;
+CRC32.table = T0;
+// $FlowIgnore
 CRC32.bstr = crc32_bstr;
+// $FlowIgnore
 CRC32.buf = crc32_buf;
+// $FlowIgnore
 CRC32.str = crc32_str;
 }));

ctest/fixtures.js

@@ -1,25 +1,32 @@
 var o = "foo bar baz٪☃🍣";
 var m = "foobar"; for(var i = 0; i != 11; ++i) m+=m;
+var m1 = m + m, m2 = m1 + m1, m3 = m2 + m2, m4 = m3 + m3;
+var M1 = m + "𝑹" + m, M2 = M1 + "𝐀" +  M1, M3 = M2 + "𝓜" + M2, M4 = M3 + "𝙖" + M3;
 var bits = [
 	[ "foobar", -1628037227, 1 ],
 	[ "foo bar baz", -228401567, 1 ],
 	[ "foo bar baz٪", 984445192 ],
 	[ "foo bar baz٪☃", 140429620],
 	[ m, 40270464, 1 ],
-	[ o, 1531648243],
+	[ m1, -239917269, 1],
+	[ m2, 2048324365, 1 ],
+	[ m3, -1695517393, 1 ],
+	[ m4, 1625284864, 1 ],
+	[ M1, 642113519 ],
+	[ M2, -1441250016 ],
+	[ M3, -1101021992 ],
+	[ M4, -1610723860 ],
+	[ o, 1531648243 ],
 	[ o+o, -218791105 ],
 	[ o+o+o, 1834240887 ]
 ];
 if(typeof module !== "undefined") module.exports = bits;
 /*::
-type ArrayLike = any;
-type Stringifier = {(d:ArrayLike):string};
-
 declare class CRC32Module {
 	table:CRC32TableType;
-	bstr(s:string, seed:?CRC32Type):CRC32Type;
-	buf(b:ABuf, seed:?CRC32Type):CRC32Type;
-	str(s:string, seed:?CRC32Type):CRC32Type;
+	bstr(s:string, seed?:CRC32Type):CRC32Type;
+	buf(b:ABuf, seed?:CRC32Type):CRC32Type;
+	str(s:string, seed?:CRC32Type):CRC32Type;
 	version:string;
 };
 */
@@ -28,138 +35,13 @@ type _CB = {(data:Buffer):void;};
 declare module 'concat-stream' {declare function exports(f:_CB):stream$Duplex;};
 declare module 'exit-on-epipe' {};
 
-declare module 'crc-32' { declare var exports:CRC32Module;  };
-declare module '../' { declare var exports:CRC32Module; };
+declare module 'crc-32' { declare module.exports:CRC32Module;  };
+declare module '../' { declare module.exports:CRC32Module; };
 
 declare module 'printj' {
   declare function sprintf(fmt:string, ...args:any):string;
 };
 */
-/* vim: set ts=2: */
-if(typeof require !== 'undefined') {
-var js_crc32 = require('../');
-var js_crc32_old = require('crc-32');
-var buffer_crc32 = require('./buffer-crc32');
-var crc32 = require('./crc32');
-var node_crc = require('./node-crc');
-
-function z1(bstr) { return js_crc32.bstr(bstr); }
-function z2(bstr) { return buffer_crc32.signed(bstr); }
-function z3(bstr) { return crc32(bstr); }
-function z4(bstr) { return node_crc.crc32(bstr)|0;}
-function z5(bstr) { return js_crc32_old.bstr(bstr); }
-
-function b1(buf) { return js_crc32.buf(buf); }
-function b2(buf) { return buffer_crc32.signed(buf); }
-function b3(buf) { return crc32(buf); }
-function b4(buf) { return node_crc.crc32(buf)|0; }
-function b5(buf) { return js_crc32_old.buf(buf); }
-
-function u1(str) { return js_crc32.str(str); }
-function u2(str) { return buffer_crc32.signed(str); }
-function u3(str) { return js_crc32_old.str(str); }
-
-var ntests, len_max, do_bstr, do_buf, do_ustr;
-switch(process.env.MODE) {
-	case "A": ntests = 100000;  len_max = 256; break;
-	case "B": ntests = 10000;  len_max = 1024; break;
-	case "C": ntests = 10000;  len_max = 4096; break;
-	case "D": ntests = 1000;  len_max = 16384; break;
-	case "E": ntests = 1000;  len_max = 65536; break;
-	case "F": ntests = 100;  len_max = 262144; break;
-	case "G": ntests = 100; len_max = 1048576; break;
-	case "H": ntests = 10;  len_max = 4194304; break;
-	case "I": ntests = 10; len_max = 16777216; break;
-	default:  ntests = 10000;  len_max = 1024; break;
-}
-
-if(process.argv === 2) do_bstr = do_buf = do_ustr = true;
-else {
-	do_bstr = process.argv[2].indexOf("S") > -1;
-	do_buf  = process.argv[2].indexOf("B") > -1;
-	do_ustr = process.argv[2].indexOf("U") > -1;
-	if(!do_bstr && !do_buf && !do_ustr) do_bstr = do_buf = do_ustr = true;
-}
-
-var btest = !!do_bstr || !!do_buf, utest = !!do_ustr;
-
-var bstr_tests = [];
-var ustr_tests = [];
-var len_min = 1;
-
-var corpus = new Array(0x0800);
-for(var k = 0; k < 0x0800; ++k) corpus[k] = String.fromCharCode(k)
-len_max --;
-
-k = (Math.random()*0x800)|0;
-for(var i = 0; i < ntests; ++i) {
-	var l = (Math.random() * (len_max - len_min))|0 + len_min;
-	var s = new Array(l), t = new Array(l);
-	if(btest) for(var j = 0; j < l; ++j) s[j] = corpus[(i+j+k)&127];
-	if(utest) for(var j = 0; j < l; ++j) t[j] = corpus[(i+j+k)&0x7FF];
-	var ss = s.join("");
-	bstr_tests[i] = [ss, new Buffer(ss)];
-	ustr_tests[i] = t.join("");
-}
-
-var assert = require('assert');
-function fix(str) { return parseInt(str, 16)|0; }
-if(btest) for(var j = 0; j != ntests; ++j) {
-	if(do_bstr && do_buf) assert.equal(z1(bstr_tests[j][0]), b1(bstr_tests[j][1]));
-
-	if(do_bstr) {
-		assert.equal(z1(bstr_tests[j][0]), z2(bstr_tests[j][0]));
-		assert.equal(z1(bstr_tests[j][0]), fix(z3(bstr_tests[j][0])));
-		assert.equal(z1(bstr_tests[j][0]), (z4(bstr_tests[j][0])));
-		assert.equal(z1(bstr_tests[j][0]), z5(bstr_tests[j][0]));
-	}
-
-	if(do_buf) {
-		assert.equal(b1(bstr_tests[j][1]), b2(bstr_tests[j][1]));
-		assert.equal(b1(bstr_tests[j][1]), fix(b3(bstr_tests[j][1])));
-		assert.equal(b1(bstr_tests[j][1]), (b4(bstr_tests[j][1])));
-		assert.equal(b1(bstr_tests[j][1]), b5(bstr_tests[j][1]));
-	}
-}
-if(utest) for(var j = 0; j != ntests; ++j) {
-	assert.equal(u1(ustr_tests[j]), u2(ustr_tests[j]));
-	assert.equal(u1(ustr_tests[j]), u3(ustr_tests[j]));
-}
-
-var BM = require('../perf/bm');
-
-if(do_bstr) {
-var suite = new BM('binary string (' + len_max + ')');
-suite.add('js-crc32', function() { for(var j = 0; j != ntests; ++j) z1(bstr_tests[j][0]); });
-suite.add('js-crc32-old', function() { for(var j = 0; j != ntests; ++j) z5(bstr_tests[j][0]); });
-suite.add('buffer-crc32', function() { for(var j = 0; j != ntests; ++j) z2(bstr_tests[j][0]); });
-if(len_max < 4096) {
-	suite.add('crc32', function() { for(var j = 0; j != ntests; ++j) z3(bstr_tests[j][0]); });
-	suite.add('node_crc', function() { for(var j = 0; j != ntests; ++j) z4(bstr_tests[j][0]); });
-}
-suite.run();
-}
-
-if(do_buf) {
-suite = new BM('buffer (' + len_max + ')');
-suite.add('js-crc32', function() { for(var j = 0; j != ntests; ++j) b1(bstr_tests[j][1]); });
-suite.add('js-crc32-old', function() { for(var j = 0; j != ntests; ++j) b5(bstr_tests[j][1]); });
-suite.add('buffer-crc32', function() { for(var j = 0; j != ntests; ++j) b2(bstr_tests[j][1]); });
-if(len_max < 1024) {
-	suite.add('crc32', function() { for(var j = 0; j != ntests; ++j) b3(bstr_tests[j][1]); });
-	suite.add('node_crc', function() { for(var j = 0; j != ntests; ++j) b4(bstr_tests[j][1]); });
-}
-suite.run();
-}
-
-if(do_ustr) {
-var suite = new BM('unicode string (' + len_max + ')');
-suite.add('js-crc32', function() { for(var j = 0; j != ntests; ++j) u1(ustr_tests[j]); });
-suite.add('js-crc32-old', function() { for(var j = 0; j != ntests; ++j) u3(ustr_tests[j]); });
-suite.add('buffer-crc32', function() { for(var j = 0; j != ntests; ++j) u2(ustr_tests[j]); });
-suite.run();
-}
-}
 crc32table = [
 	0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
 	0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,

ctest/mocha.css

@@ -136,6 +136,41 @@ body {
   overflow: auto;
 }
 
+#mocha .test .html-error {
+  overflow: auto;
+  color: black;
+  line-height: 1.5;
+  display: block;
+  float: left;
+  clear: left;
+  font: 12px/1.5 monaco, monospace;
+  margin: 5px;
+  padding: 15px;
+  border: 1px solid #eee;
+  max-width: 85%; /*(1)*/
+  max-width: calc(100% - 42px); /*(2)*/
+  max-height: 300px;
+  word-wrap: break-word;
+  border-bottom-color: #ddd;
+  -webkit-border-radius: 3px;
+  -webkit-box-shadow: 0 1px 3px #eee;
+  -moz-border-radius: 3px;
+  -moz-box-shadow: 0 1px 3px #eee;
+  border-radius: 3px;
+}
+
+#mocha .test .html-error pre.error {
+  border: none;
+  -webkit-border-radius: none;
+  -webkit-box-shadow: none;
+  -moz-border-radius: none;
+  -moz-box-shadow: none;
+  padding: 0;
+  margin: 0;
+  margin-top: 18px;
+  max-height: none;
+}
+
 /**
  * (1): approximate for browsers not supporting calc
  * (2): 42 = 2*15 + 2*10 + 2*1 (padding + margin + border)

ctest/test.js

@@ -20,6 +20,14 @@ function msieversion()
 	return parseInt (ua.substring (msie+5, ua.indexOf (".", msie )));
 }
 
+var Buffer_from = function(){};
+
+if(typeof Buffer !== 'undefined') {
+	var nbfs = !Buffer.from;
+	if(!nbfs) try { Buffer.from("foo", "utf8"); } catch(e) { nbfs = true; }
+	Buffer_from = nbfs ? function(buf, enc) { return (enc) ? new Buffer(buf, enc) : new Buffer(buf); } : Buffer.from.bind(Buffer);
+}
+
 describe('crc32 table', function() {
 	it('should match fixed table', function() {
 		var overflow = 0;
@@ -35,12 +43,14 @@ describe('crc32 bits', function() {
 	bits.forEach(function(i) {
 		var msg = i[0], l = i[0].length, L = i[1]|0;
 		if(l > 20) msg = i[0].substr(0,5) + "...(" + l + ")..." + i[0].substr(-5);
-		if(l > 100 && msieversion() < 7) return;
+		if(l > 100 && msieversion() < 9) return;
+		if(l > 20000 && typeof Buffer === 'undefined') return;
 		it(msg, function() {
 			if(i[2] === 1) assert.equal(X.bstr(i[0]), L);
 			assert.equal(X.str(i[0]), i[1]|0);
-			if(typeof Buffer !== 'undefined') assert.equal(X.buf(new Buffer(i[0])), L);
-			for(var x = 0; x < i[0].length; ++x) {
+			if(typeof Buffer !== 'undefined') assert.equal(X.buf(Buffer_from(i[0])), L);
+			var len = i[0].length, step = len < 20000 ? 1 : len < 50000 ? Math.ceil(len / 20000) : Math.ceil(len / 2000);
+			for(var x = 0; x < len; x += step) {
 				if(i[0].charCodeAt(x) >= 0xD800 && i[0].charCodeAt(x) < 0xE000) continue;
 				if(i[2] === 1) {
 					var bstrcrc = X.bstr(i[0].substr(x), X.bstr(i[0].substr(0, x)));
@@ -49,7 +59,7 @@ describe('crc32 bits', function() {
 				var strcrc = X.str(i[0].substr(x), X.str(i[0].substr(0, x)));
 				assert.equal(strcrc, i[1]|0);
 				if(typeof Buffer !== 'undefined') {
-					var buf = new Buffer(i[0]);
+					var buf = Buffer_from(i[0]);
 					var bufcrc = X.buf(buf.slice(x), X.buf(buf.slice(0, x)));
 					assert.equal(bufcrc, L);
 				}
@@ -72,9 +82,9 @@ if(typeof require !== 'undefined') describe("unicode", function() {
 				var cc = corpus[ucidx], dd = X.str(c);
 				assert.equal(dd, cc, ":" + ucidx + ":" + c + ":" + cc + ":" + dd);
 				if(typeof Buffer !== 'undefined') {
-					var ee = X.buf(new Buffer(c, "utf8"));
+					var ee = X.buf(Buffer_from(c, "utf8"));
 					assert.equal(ee, cc, ":" + ucidx + ":" + c + ":" + cc + ":" + ee);
-					var ff = X.bstr(String.fromCharCode.apply(null, new Buffer(c, "utf8")));
+					var ff = X.bstr(String.fromCharCode.apply(null, Buffer_from(c, "utf8")));
 					assert.equal(ff, cc, ":" + ucidx + ":" + c + ":" + cc + ":" + ff);
 				}
 			};

demo/browser.flow.js

@@ -1,9 +1,10 @@
 /*jshint browser:true */
-/*global CRC32, console */
+/*eslint-env browser */
+/*global CRC32, console, Uint8Array */
 /*:: declare var CRC32: CRC32Module; */
 var X = CRC32;
 
-function console_log() { if(typeof console !== 'undefined') console.log.apply(console, [].slice.call(arguments)); }
+function console_log(/*:: ...args:Array<any> */) { if(typeof console !== 'undefined') console.log.apply(console, [].slice.call(arguments)); }
 
 function lpad(s/*:string*/, len/*:number*/, chr/*:?string*/)/*:string*/{
 	var L/*:number*/ = len - s.length, C/*:string*/ = chr || " ";
@@ -17,6 +18,10 @@ function is_defined(val/*:any*/, keys/*:Array<string>*/)/*:boolean*/ {
 }
 
 /*# buffer to string; IE String.fromCharCode.apply limit, manual chunk */
+/*::
+type ArrayLike = any;
+type Stringifier = {(d:ArrayLike):string};
+*/
 function make_chunk_buf_to_str(BType/*:function*/)/*:Stringifier*/ {
 	return function(data/*:any*/)/*:string*/ {
 		var o = "", l = 0, w = 10240, L = data.byteLength/w;
@@ -66,7 +71,7 @@ var readcb = function(e/*:Event*/) {
 	console_log("onload", new Date(), rABS, false);
 	var target/*:FileReader*/ = (e.target/*:any*/);
 	var data = target.result;
-	var val/*:CRC32Type*/ = rABS ? X.bstr(data) : X.str(bstrify(data));
+	var val/*:CRC32Type*/ = rABS ? X.bstr(/*::(*/data/*:: :any)*/) : X.str(bstrify(data));
 	process_value(val);
 };
 

demo/browser.js

@@ -1,5 +1,6 @@
 /*jshint browser:true */
-/*global CRC32, console */
+/*eslint-env browser */
+/*global CRC32, console, Uint8Array */
 var X = CRC32;
 
 function console_log() { if(typeof console !== 'undefined') console.log.apply(console, [].slice.call(arguments)); }

demo/work.js

@@ -0,0 +1,28 @@
+/* js-crc32 (C) 2014-present  SheetJS -- http://sheetjs.com */
+/*:: declare var CRC32: CRC32Module; */
+/*:: declare var self: DedicatedWorkerGlobalScope; */
+importScripts('../crc32.js');
+/*::self.*/postMessage({t:"ready"});
+
+var recrc = function(f, crc, l) {
+	/*::self.*/postMessage({t:"iter", f:f, crc:crc, l:l, sz:f.size});
+	if(l >= f.size) return /*::self.*/postMessage({t:"done"});
+	var sz = 0x100000; if(l + sz > f.size) sz = f.size - l;
+	var d = f.slice(l, l + sz);
+	var r = new FileReader();
+	r.onload = function(e) {
+		var b = new Uint8Array(e.target.result);
+		var newcrc = CRC32.buf(b, crc);
+		/*::self.*/postMessage({t:"data", crc:newcrc, bytes:l+sz});
+		recrc(f, newcrc, l + sz);
+	};
+	r.readAsArrayBuffer(d);
+};
+
+onmessage = function (oEvent) {
+	/*::self.*/postMessage({t:"start"});
+	var f/*:File*/ = oEvent.data;
+  var seed = 0;
+	recrc(f, seed, 0);
+};
+

demo/worker.flow.js

@@ -0,0 +1,69 @@
+/*jshint browser:true */
+
+function lpad(s/*:string*/, len/*:number*/, chr/*:?string*/)/*:string*/{
+	var L/*:number*/ = len - s.length, C/*:string*/ = chr || " ";
+	if(L <= 0) return s;
+	return new Array(L+1).join(C) + s;
+}
+
+function is_defined(val/*:any*/, keys/*:Array<string>*/)/*:boolean*/ {
+	if(typeof val === "undefined") return false;
+	return keys.length === 0 || is_defined(val[keys[0]], keys.slice(1));
+}
+
+/*## Process Result */
+/*:: declare class HTMLPreElement extends HTMLElement { innerText?:string; } */
+function process_value(val/*:CRC32Type*/, progress/*:number*/) {
+	var output = [];
+	output[0] = "Progress  : %" + lpad(progress.toFixed(2), 6, " ");
+	output[1] = "Signed    : " + val;
+	output[2] = "Unsigned  : " + (val>>>0);
+	output[3] = "Hex value : " + lpad((val>>>0).toString(16),8,'0');
+
+	var out/*:HTMLPreElement*/ = (document.getElementById('out')/*:any*/);
+	var o = output.join("\n");
+	if(typeof out.innerText == "undefined") out.textContent = o;
+	else out.innerText = o;
+}
+
+/*::
+type WMessage = {
+	t:string;
+	f:File;
+	crc:CRC32Type;
+	l:number;
+	sz:number;
+	bytes:number;
+};
+*/
+
+/*# Drag and Drop File */
+var handle_drop/*:EventHandler*/ = (function(e/*:DragEvent*/) {
+	e.stopPropagation();
+	e.preventDefault();
+	if(!e.dataTransfer) return;
+	var files/*:FileList*/ = e.dataTransfer.files;
+	var f/*:File*/ = files[0];
+
+	var worker = new Worker("demo/work.js");
+	worker.postMessage(f);
+	worker.onmessage = function(M) { var m/*:WMessage*/ = (M.data/*:any*/); switch(m.t) {
+		case 'ready': break;
+		case 'start': break;
+		case 'data': process_value(m.crc, 100 * m.bytes / f.size); break;
+		case 'done': break;
+	} };
+}/*:any*/);
+
+var handle_drag/*:EventHandler*/ = (function (e/*:DragEvent*/) {
+	e.stopPropagation();
+	e.preventDefault();
+	if(e.dataTransfer) e.dataTransfer.dropEffect = 'copy';
+}/*:any*/);
+
+var drop/*:HTMLDivElement*/ = (document.getElementById('drop')/*:any*/);
+if(drop.addEventListener) {
+	drop.addEventListener('dragenter', handle_drag, false);
+	drop.addEventListener('dragover',  handle_drag, false);
+	drop.addEventListener('drop',      handle_drop, false);
+}

index.html

@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<!-- crc32.js (C) 2014-present SheetJS http://sheetjs.com -->
+<!-- crc32.js (C) 2014-present  SheetJS http://sheetjs.com -->
 <!-- vim: set ts=2: -->
 <html>
 <head>
@@ -18,26 +18,34 @@
 #rawdata{
 	width:100%;
 }
+a { text-decoration: none }
 </style>
 </head>
 <body>
-<b>JS-CRC32 Live Demo</b><br />
-<a href="https://git.io/crc32">Source Code Repo</a><br />
-<a href="https://git.io/crc32_issues">Issues?  Something look weird?  Click here and report an issue</a><br />
+<pre>
+<b><a href="http://sheetjs.com/bits">SheetJS JS-CRC32 Live Demo</a></b>
+(text works back to IE6; drag and drop works back to IE10)
+(<b>This demo loads the entire file at once!</b>  For newer browsers, <a href="large.html">try the large file demo</a>)
 
+<a href="https://github.com/SheetJS/js-crc32">Source Code Repo</a>
+<a href="https://github.com/SheetJS/js-crc32/issues">Issues?  Something look weird?  Click here and report an issue</a>
+<br />
 <div id="drop">Drop a text file to compute the CRC-32 checksum</div>
-<p><input type="file" name="xlfile" id="xlf" /> ... or click here to select a file</p>
-<textarea id="rawdata">... or paste text here ......</textarea>
+<input type="file" name="xlfile" id="xlf" /> ... or click here to select a file
+
+<textarea id="rawdata">... or paste text here</textarea>
 <input type="button" id="dotext" value="Click here to process the text"/><br />
-Advanced Demo Options: <br />
+<b>Advanced Demo Options:</b>
 Use readAsBinaryString: (when available) <input type="checkbox" name="userabs" checked><br />
-<pre id="out">.</pre>
+</pre>
+<pre id="out"></pre>
 <br />
 <script type="text/javascript">/* jshint browser: true */</script>
 <script src="shim.js"></script>
 <script src="crc32.js"></script>
 <script src="demo/browser.flow.js"></script>
 <script type="text/javascript">
+	/*eslint-env browser */
 	var _gaq = _gaq || [];
 	_gaq.push(['_setAccount', 'UA-36810333-1']);
 	_gaq.push(['_trackPageview']);

large.html

@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<!-- crc32.js (C) 2014-present  SheetJS http://sheetjs.com -->
+<!-- vim: set ts=2: -->
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+<title>JS-CRC32 Live Demo</title>
+<style>
+#drop{
+	border:2px dashed #bbb;
+	-moz-border-radius:5px;
+	-webkit-border-radius:5px;
+	border-radius:5px;
+	padding:25px;
+	text-align:center;
+	font:20pt bold,"Vollkorn";color:#bbb
+}
+a { text-decoration: none }
+</style>
+</head>
+<body>
+<pre>
+<b><a href="http://sheetjs.com/bits">SheetJS JS-CRC32 Live Demo</a></b>
+(text works back to IE6; drag and drop works back to IE10)
+
+<a href="https://github.com/SheetJS/js-crc32">Source Code Repo</a>
+<a href="https://github.com/SheetJS/js-crc32/issues">Issues?  Something look weird?  Click here and report an issue</a>
+<br />
+<div id="drop">Drop a text file to compute the CRC-32 checksum</div>
+
+<pre id="out"></pre>
+<br />
+<script type="text/javascript">/* jshint browser: true */</script>
+<script src="shim.js"></script>
+<script src="crc32.js"></script>
+<script src="demo/worker.flow.js"></script>
+<script type="text/javascript">
+	var _gaq = _gaq || [];
+	_gaq.push(['_setAccount', 'UA-36810333-1']);
+	_gaq.push(['_trackPageview']);
+
+	(function() {
+		var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
+		ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
+		var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
+	})();
+</script>
+</body>
+</html>

misc/00_header.js

@@ -0,0 +1,3 @@
+/*! crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
+/* vim: set ts=2: */
+var CRC32 = {};

misc/99_footer.js

@@ -0,0 +1,5 @@
+export const version = CRC32.version;
+export const table = T0;
+export const bstr = crc32_bstr;
+export const buf = crc32_buf;
+export const str = crc32_str;

misc/bits.js

@@ -1,12 +1,22 @@
 var o = "foo bar baz٪☃🍣";
 var m = "foobar"; for(var i = 0; i != 11; ++i) m+=m;
+var m1 = m + m, m2 = m1 + m1, m3 = m2 + m2, m4 = m3 + m3;
+var M1 = m + "𝑹" + m, M2 = M1 + "𝐀" +  M1, M3 = M2 + "𝓜" + M2, M4 = M3 + "𝙖" + M3;
 var bits = [
 	[ "foobar", -1628037227, 1 ],
 	[ "foo bar baz", -228401567, 1 ],
 	[ "foo bar baz٪", 984445192 ],
 	[ "foo bar baz٪☃", 140429620],
 	[ m, 40270464, 1 ],
-	[ o, 1531648243],
+	[ m1, -239917269, 1],
+	[ m2, 2048324365, 1 ],
+	[ m3, -1695517393, 1 ],
+	[ m4, 1625284864, 1 ],
+	[ M1, 642113519 ],
+	[ M2, -1441250016 ],
+	[ M3, -1101021992 ],
+	[ M4, -1610723860 ],
+	[ o, 1531648243 ],
 	[ o+o, -218791105 ],
 	[ o+o+o, 1834240887 ]
 ];

misc/flow.js

@@ -1,12 +1,9 @@
 /*::
-type ArrayLike = any;
-type Stringifier = {(d:ArrayLike):string};
-
 declare class CRC32Module {
 	table:CRC32TableType;
-	bstr(s:string, seed:?CRC32Type):CRC32Type;
-	buf(b:ABuf, seed:?CRC32Type):CRC32Type;
-	str(s:string, seed:?CRC32Type):CRC32Type;
+	bstr(s:string, seed?:CRC32Type):CRC32Type;
+	buf(b:ABuf, seed?:CRC32Type):CRC32Type;
+	str(s:string, seed?:CRC32Type):CRC32Type;
 	version:string;
 };
 */

misc/flowdeps.js

@@ -3,8 +3,8 @@ type _CB = {(data:Buffer):void;};
 declare module 'concat-stream' {declare function exports(f:_CB):stream$Duplex;};
 declare module 'exit-on-epipe' {};
 
-declare module 'crc-32' { declare var exports:CRC32Module;  };
-declare module '../' { declare var exports:CRC32Module; };
+declare module 'crc-32' { declare module.exports:CRC32Module;  };
+declare module '../' { declare module.exports:CRC32Module; };
 
 declare module 'printj' {
   declare function sprintf(fmt:string, ...args:any):string;

misc/integration.js

@@ -1,125 +0,0 @@
-/* vim: set ts=2: */
-if(typeof require !== 'undefined') {
-var js_crc32 = require('../');
-var js_crc32_old = require('crc-32');
-var buffer_crc32 = require('./buffer-crc32');
-var crc32 = require('./crc32');
-var node_crc = require('./node-crc');
-
-function z1(bstr) { return js_crc32.bstr(bstr); }
-function z2(bstr) { return buffer_crc32.signed(bstr); }
-function z3(bstr) { return crc32(bstr); }
-function z4(bstr) { return node_crc.crc32(bstr)|0;}
-function z5(bstr) { return js_crc32_old.bstr(bstr); }
-
-function b1(buf) { return js_crc32.buf(buf); }
-function b2(buf) { return buffer_crc32.signed(buf); }
-function b3(buf) { return crc32(buf); }
-function b4(buf) { return node_crc.crc32(buf)|0; }
-function b5(buf) { return js_crc32_old.buf(buf); }
-
-function u1(str) { return js_crc32.str(str); }
-function u2(str) { return buffer_crc32.signed(str); }
-function u3(str) { return js_crc32_old.str(str); }
-
-var ntests, len_max, do_bstr, do_buf, do_ustr;
-switch(process.env.MODE) {
-	case "A": ntests = 100000;  len_max = 256; break;
-	case "B": ntests = 10000;  len_max = 1024; break;
-	case "C": ntests = 10000;  len_max = 4096; break;
-	case "D": ntests = 1000;  len_max = 16384; break;
-	case "E": ntests = 1000;  len_max = 65536; break;
-	case "F": ntests = 100;  len_max = 262144; break;
-	case "G": ntests = 100; len_max = 1048576; break;
-	case "H": ntests = 10;  len_max = 4194304; break;
-	case "I": ntests = 10; len_max = 16777216; break;
-	default:  ntests = 10000;  len_max = 1024; break;
-}
-
-if(process.argv === 2) do_bstr = do_buf = do_ustr = true;
-else {
-	do_bstr = process.argv[2].indexOf("S") > -1;
-	do_buf  = process.argv[2].indexOf("B") > -1;
-	do_ustr = process.argv[2].indexOf("U") > -1;
-	if(!do_bstr && !do_buf && !do_ustr) do_bstr = do_buf = do_ustr = true;
-}
-
-var btest = !!do_bstr || !!do_buf, utest = !!do_ustr;
-
-var bstr_tests = [];
-var ustr_tests = [];
-var len_min = 1;
-
-var corpus = new Array(0x0800);
-for(var k = 0; k < 0x0800; ++k) corpus[k] = String.fromCharCode(k)
-len_max --;
-
-k = (Math.random()*0x800)|0;
-for(var i = 0; i < ntests; ++i) {
-	var l = (Math.random() * (len_max - len_min))|0 + len_min;
-	var s = new Array(l), t = new Array(l);
-	if(btest) for(var j = 0; j < l; ++j) s[j] = corpus[(i+j+k)&127];
-	if(utest) for(var j = 0; j < l; ++j) t[j] = corpus[(i+j+k)&0x7FF];
-	var ss = s.join("");
-	bstr_tests[i] = [ss, new Buffer(ss)];
-	ustr_tests[i] = t.join("");
-}
-
-var assert = require('assert');
-function fix(str) { return parseInt(str, 16)|0; }
-if(btest) for(var j = 0; j != ntests; ++j) {
-	if(do_bstr && do_buf) assert.equal(z1(bstr_tests[j][0]), b1(bstr_tests[j][1]));
-
-	if(do_bstr) {
-		assert.equal(z1(bstr_tests[j][0]), z2(bstr_tests[j][0]));
-		assert.equal(z1(bstr_tests[j][0]), fix(z3(bstr_tests[j][0])));
-		assert.equal(z1(bstr_tests[j][0]), (z4(bstr_tests[j][0])));
-		assert.equal(z1(bstr_tests[j][0]), z5(bstr_tests[j][0]));
-	}
-
-	if(do_buf) {
-		assert.equal(b1(bstr_tests[j][1]), b2(bstr_tests[j][1]));
-		assert.equal(b1(bstr_tests[j][1]), fix(b3(bstr_tests[j][1])));
-		assert.equal(b1(bstr_tests[j][1]), (b4(bstr_tests[j][1])));
-		assert.equal(b1(bstr_tests[j][1]), b5(bstr_tests[j][1]));
-	}
-}
-if(utest) for(var j = 0; j != ntests; ++j) {
-	assert.equal(u1(ustr_tests[j]), u2(ustr_tests[j]));
-	assert.equal(u1(ustr_tests[j]), u3(ustr_tests[j]));
-}
-
-var BM = require('../perf/bm');
-
-if(do_bstr) {
-var suite = new BM('binary string (' + len_max + ')');
-suite.add('js-crc32', function() { for(var j = 0; j != ntests; ++j) z1(bstr_tests[j][0]); });
-suite.add('js-crc32-old', function() { for(var j = 0; j != ntests; ++j) z5(bstr_tests[j][0]); });
-suite.add('buffer-crc32', function() { for(var j = 0; j != ntests; ++j) z2(bstr_tests[j][0]); });
-if(len_max < 4096) {
-	suite.add('crc32', function() { for(var j = 0; j != ntests; ++j) z3(bstr_tests[j][0]); });
-	suite.add('node_crc', function() { for(var j = 0; j != ntests; ++j) z4(bstr_tests[j][0]); });
-}
-suite.run();
-}
-
-if(do_buf) {
-suite = new BM('buffer (' + len_max + ')');
-suite.add('js-crc32', function() { for(var j = 0; j != ntests; ++j) b1(bstr_tests[j][1]); });
-suite.add('js-crc32-old', function() { for(var j = 0; j != ntests; ++j) b5(bstr_tests[j][1]); });
-suite.add('buffer-crc32', function() { for(var j = 0; j != ntests; ++j) b2(bstr_tests[j][1]); });
-if(len_max < 1024) {
-	suite.add('crc32', function() { for(var j = 0; j != ntests; ++j) b3(bstr_tests[j][1]); });
-	suite.add('node_crc', function() { for(var j = 0; j != ntests; ++j) b4(bstr_tests[j][1]); });
-}
-suite.run();
-}
-
-if(do_ustr) {
-var suite = new BM('unicode string (' + len_max + ')');
-suite.add('js-crc32', function() { for(var j = 0; j != ntests; ++j) u1(ustr_tests[j]); });
-suite.add('js-crc32-old', function() { for(var j = 0; j != ntests; ++j) u3(ustr_tests[j]); });
-suite.add('buffer-crc32', function() { for(var j = 0; j != ntests; ++j) u2(ustr_tests[j]); });
-suite.run();
-}
-}

misc/mjs.lst

@@ -0,0 +1,6 @@
+misc/00_header.js
+bits/01_version.js
+bits/10_types.js
+bits/20_crctable.js
+bits/40_crc.js
+misc/99_footer.js

misc/perf.sh

@@ -1,18 +0,0 @@
-#!/bin/bash
-
-cd misc &>/dev/null
-
-git_module() {
-	if [ ! -e "$1/" ]; then git clone $2; fi
-	cd "$1"
-	git pull
-	cd - &>/dev/null
-}
-
-echo "::: downloading modules"
-npm install crc-32 2>/dev/null
-git_module node-crc https://github.com/alexgorbatchev/node-crc 2>/dev/null # crc
-git_module crc32 https://github.com/beatgammit/crc32 2>/dev/null # crc32
-git_module buffer-crc32 https://github.com/brianloveswords/buffer-crc32 2>/dev/null # buffer-crc32
-
-for i in A B C D E F G H I; do MODE="$i" node integration.js "$1"; done

package.json

@@ -1,33 +1,59 @@
 {
 	"name": "crc-32",
-	"version": "1.0.0",
+	"version": "1.2.3",
 	"author": "sheetjs",
 	"description": "Pure-JS CRC-32",
-	"keywords": [ "crc32", "checksum", "crc" ],
+	"keywords": [ "crc", "crc32", "checksum" ],
 	"bin": {
-		"crc32": "./bin/crc32.njs"
+		"crc32": "bin/crc32.njs"
+	},
+	"main": "crc32.js",
+	"module": "crc32.mjs",
+	"types": "types/index.d.ts",
+	"typesVersions": { "*": { "*": ["types/index.d.ts" ] } },
+	"exports": {
+		".": {
+			"import": "./crc32.mjs",
+			"require": "./crc32.js"
+		},
+		"./crc32c": {
+			"import": "./crc32c.mjs",
+			"require": "./crc32c.js"
+		},
+		"./crc32.mjs": {
+			"import": "./crc32.mjs"
+		},
+		"./crc32c.mjs": {
+			"import": "./crc32c.mjs"
+		}
 	},
-	"main": "./crc32",
 	"dependencies": {
-		"concat-stream":"",
-		"printj":"",
-		"exit-on-epipe":""
 	},
 	"devDependencies": {
-		"mocha":"",
-		"codepage":""
+		"printj": "~1.3.1",
+		"exit-on-epipe": "~1.0.1",
+		"mocha": "~2.5.3",
+		"blanket": "~1.2.3",
+		"codepage": "~1.10.0",
+		"@sheetjs/uglify-js": "~2.7.3",
+		"@types/node": "^8.0.7",
+		"dtslint": "^0.1.2",
+		"typescript": "2.2.0"
 	},
-	"repository": { "type":"git", "url":"git://github.com/SheetJS/js-crc32.git" },
+	"repository": { "type": "git", "url": "git://github.com/SheetJS/js-crc32.git" },
 	"scripts": {
-		"pretest": "git submodule init && git submodule update",
-		"test": "make test"
+		"test": "make test",
+		"build": "make",
+		"lint": "make fullint",
+		"dtslint": "dtslint types"
 	},
 	"config": {
 		"blanket": {
 			"pattern": "crc32.js"
 		}
 	},
-	"files": ["crc32.js", "bin/crc32.njs", "LICENSE", "README.md"],
+	"homepage": "https://sheetjs.com/",
+	"files": ["crc32.js", "crc32c.js", "crc32.mjs", "crc32c.mjs", "bin/crc32.njs", "LICENSE", "README.md", "types/index.d.ts", "types/*.json"],
 	"bugs": { "url": "https://github.com/SheetJS/js-crc32/issues" },
 	"license": "Apache-2.0",
 	"engines": { "node": ">=0.8" }

packages/crc32-cli/.npmignore

@@ -0,0 +1 @@
+*.tgz

packages/crc32-cli/bin/crc32.njs

@@ -0,0 +1,9 @@
+#!/usr/bin/env node
+/* crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
+/* eslint-env node */
+/* vim: set ts=2 ft=javascript: */
+/*jshint node:true */
+
+var cli = require('../');
+
+cli();

packages/crc32-cli/index.js

@@ -0,0 +1,94 @@
+/* index.js (C) 2020-present SheetJS -- http://sheetjs.com */
+/* eslint-env node */
+/* vim: set ts=2 ft=javascript: */
+/*jshint node:true */
+
+/*:CRC32Module*/
+var X = require('crc-32');
+
+function help()/*:number*/ {
+	[
+		"usage: crc32 [options] [filename]",
+		"",
+		"Options:",
+		"    -h, --help           output usage information",
+		"    -V, --version        output the version number",
+		"    -S, --seed=<n>       use integer seed as starting value (rolling CRC)",
+		"    -H, --hex-seed=<h>   use hex seed as starting value (rolling CRC)",
+		"    -d, --signed         print result with format `%d` (default)",
+		"    -u, --unsigned       print result with format `%u`",
+		"    -x, --hex            print result with format `%0.8x`",
+		"    -X, --HEX            print result with format `%0.8X`",
+		"    -c, --crc32c         use CRC32C (Castagnoli)",
+		"    -F, --format=<s>     use specified printf format",
+		"",
+		"Set filename = '-' or pipe data into crc32 to read from stdin",
+		"Default output mode is signed (-d)",
+		""
+	].forEach(function (l) { console.log(l); });
+	return 0;
+}
+
+function version()/*:number*/ { console.log(X.version); return 0; }
+
+var fs = require('fs');
+require('exit-on-epipe');
+
+function die(msg/*:string*/, ec/*:?number*/)/*:void*/ { console.error(msg); process.exit(ec || 0); }
+
+function run() {
+	var args/*:Array<string>*/ = process.argv.slice(2);
+	var filename/*:string*/ = "";
+	var fmt/*:string*/ = "";
+	var seed = 0, r = 10;
+
+	for(var i = 0; i < args.length; ++i) {
+		var arg = args[i];
+		if(arg.charCodeAt(0) != 45) { if(filename === "") filename = arg; continue; }
+		var m = arg.indexOf("=") == -1 ? arg : arg.substr(0, arg.indexOf("="));
+		switch(m) {
+			case "-": filename = "-"; break;
+
+			case "--help": case "-h": process.exit(help()); break;
+			case "--version": case "-V": process.exit(version()); break;
+
+			case "--crc32c": case "-c": try { X = require('../crc32c'); } catch(e) { X = require('crc-32/crc32c'); } break;
+
+			case "--signed": case "-d": fmt = "%d"; break;
+			case "--unsigned": case "-u": fmt = "%u"; break;
+			case "--hex": case "-x": fmt = "%0.8x"; break;
+			case "--HEX": case "-X": fmt = "%0.8X"; break;
+			case "--format": case "-F":
+				fmt = ((m!=arg) ? arg.substr(m.length+1) : args[++i])||""; break;
+
+			case "--hex-seed": case "-H": r = 16;
+			/* falls through */
+			case "--seed": case "-S":
+				seed=parseInt((m!=arg) ? arg.substr(m.length+1) : args[++i], r)||0; break;
+
+			default: die("crc32: unrecognized option `" + arg + "'", 22);
+		}
+	}
+
+	if(!process.stdin.isTTY) filename = filename || "-";
+	if(filename.length===0) die("crc32: must specify a filename ('-' for stdin)",1);
+
+	var crc32 = seed;
+	// $FlowIgnore -- Writable is callable but type sig disagrees
+	var writable = require('stream').Writable();
+	writable._write = function(chunk, e, cb) { crc32 = X.buf(chunk, crc32); cb(); };
+	writable._writev = function(chunks, cb) {
+		chunks.forEach(function(c) { crc32 = X.buf(c.chunk, crc32);});
+		cb();
+	};
+	writable.on('finish', function() {
+		console.log(fmt === "" ? crc32 : require("printj").sprintf(fmt, crc32));
+	});
+
+	if(filename === "-") process.stdin.pipe(writable);
+	else if(fs.existsSync(filename)) fs.createReadStream(filename).pipe(writable);
+	else die("crc32: " + filename + ": No such file or directory", 2);
+} 
+
+module.exports = run;
+

packages/crc32-cli/package.json

@@ -0,0 +1,16 @@
+{
+	"name": "crc32-cli",
+	"version": "1.0.1",
+	"author": "sheetjs",
+	"description": "Command-line interface for crc32",
+	"bin": {
+		"crc32-cli": "bin/crc32.njs"
+	},
+	"main": "index.js",
+	"dependencies": {
+		"crc-32": "^1.2.1",
+		"exit-on-epipe": "~1.0.1"
+	},
+	"license": "Apache-2.0"
+}
+

perf/bstr.js

@@ -38,6 +38,14 @@ function node_crc32(bstr) {
 	return crcTable(strToArr(bstr));
 }
 
+function sheetjsB(bstr) {
+	var b = new Buffer(bstr, 'binary');
+	for(var crc = -1, i = 0; i < b.length; ++i) {
+		crc = (crc >>> 8) ^ table[(crc ^ b[i]) & 0xFF];
+	}
+	return crc ^ -1;
+}
+
 function sheetjs1(bstr) {
 	for(var crc = -1, i = 0; i < bstr.length; ++i) {
 		crc = (crc >>> 8) ^ table[(crc ^ bstr.charCodeAt(i)) & 0xFF];
@@ -80,30 +88,34 @@ function sheetjs8(bstr) {
 	return crc ^ -1;
 }
 
-var w = 2000;
-var base = new Array(w);
-for(var i = 0; i !== w; ++i) base[i] = String.fromCharCode((Math.random()*256)&255);
+var w = 80000;
 var b = new Array(w);
-for(var i = 0; i !== w; ++i) b[i] = ""+base.slice(0,i).join("");
+b[0] = "";
+for(var i = 1; i !== w; ++i) b[i] = b[i-1] + String.fromCharCode((Math.random()*256)&255);
+
 
 var assert = require('assert');
-for(var i = 0; i !== w; ++i) {
-	var foobar = b[i];
-	assert.equal(node_crc32(foobar), sheetjs1(foobar));
-	assert.equal(node_crc32(foobar), sheetjs2(foobar));
-	assert.equal(node_crc32(foobar), sheetjs3(foobar));
-	assert.equal(node_crc32(foobar), sheetjs8(foobar));
-	assert.equal(node_crc32(foobar), old(foobar));
-	assert.equal(node_crc32(foobar), cur(foobar));
+function check(foobar) {
+	var baseline = old(foobar);
+	assert.equal(baseline, sheetjs1(foobar));
+	assert.equal(baseline, sheetjs2(foobar));
+	assert.equal(baseline, sheetjs3(foobar));
+	assert.equal(baseline, sheetjs8(foobar));
+	assert.equal(baseline, sheetjsB(foobar));
+	assert.equal(baseline, cur(foobar));
+	if(i < 100) assert.equal(baseline, node_crc32(foobar));
 }
 
+for(var i = 0; i !== w; ++i) {
+	var foobar = b[i];
+}
 var BM = require('./bm');
 var suite = new BM('binary string');
-//suite.add('npm crc32', function() { for(var j = 0; j !== w; ++j) node_crc32(b[j]); });
-suite.add('sheetjs 1', function() { for(var j = 0; j !== w; ++j) sheetjs1(b[j]); });
-suite.add('sheetjs 2', function() { for(var j = 0; j !== w; ++j) sheetjs2(b[j]); });
-suite.add('sheetjs 3', function() { for(var j = 0; j !== w; ++j) sheetjs3(b[j]); });
-suite.add('sheetjs 8', function() { for(var j = 0; j !== w; ++j) sheetjs8(b[j]); });
-suite.add('last vers', function() { for(var j = 0; j !== w; ++j) old(b[j]); });
-suite.add('current v', function() { for(var j = 0; j !== w; ++j) cur(b[j]); });
+suite.add('sheetjs 1', function() { for(var j = 0; j !== w; j+=100) sheetjs1(b[j]); });
+suite.add('sheetjs 2', function() { for(var j = 0; j !== w; j+=100) sheetjs2(b[j]); });
+suite.add('sheetjs 3', function() { for(var j = 0; j !== w; j+=100) sheetjs3(b[j]); });
+suite.add('sheetjs 8', function() { for(var j = 0; j !== w; j+=100) sheetjs8(b[j]); });
+suite.add('sheetjs B', function() { for(var j = 0; j !== w; j+=100) sheetjsB(b[j]); });
+suite.add('last vers', function() { for(var j = 0; j !== w; j+=100) old(b[j]); });
+suite.add('current v', function() { for(var j = 0; j !== w; j+=100) cur(b[j]); });
 suite.run();

perf/utf8.js

@@ -38,16 +38,36 @@ var foobar = "foo bar baz٪☃🍣";
 for(var i = 0; i != 4; ++i) foobar += " " + foobar;
 
 var assert = require('assert');
-{
-	assert.equal(sheetjs1(foobar), sheetjs2(foobar));
-	assert.equal(sheetjs1(foobar), old(foobar));
-	assert.equal(sheetjs1(foobar), cur(foobar));
+function check(foobar) {
+	var baseline = old(foobar);
+	assert.equal(baseline, sheetjs1(foobar));
+	assert.equal(baseline, sheetjs2(foobar));
+	assert.equal(baseline, cur(foobar));
 }
 
 var BM = require('./bm');
-var suite = new BM('unicode string');
+var suite = new BM('unicode string (' + foobar.length + ')');
 suite.add('sheetjs 1', function() { for(var j = 0; j != 1000; ++j) sheetjs1(foobar); });
 suite.add('sheetjs 2', function() { for(var j = 0; j != 1000; ++j) sheetjs2(foobar); });
-suite.add('last vers', function() { for(var j = 0; j != 1000; ++j) old(foobar); });
-suite.add('current v', function() { for(var j = 0; j != 1000; ++j) cur(foobar); });
+suite.add('last vers', function() { for(var j = 0; j != 1000; ++j) old(foobar, 0) ; });
+suite.add('current v', function() { for(var j = 0; j != 1000; ++j) cur(foobar, 0); });
 suite.run();
+
+function doit(foobar) {
+	check(foobar);
+	var s = new BM('unicode string (' + foobar.length + ')');
+	s.add('sheetjs 1', function() { sheetjs1(foobar); });
+	s.add('sheetjs 2', function() { sheetjs2(foobar); });
+	s.add('last vers', function() { old(foobar, 0); });
+	s.add('current v', function() { cur(foobar, 0); });
+	s.run();
+}
+
+for(var i = 0; i != 4; ++i) foobar += " " + foobar;
+doit(foobar);
+
+foobar += " " + foobar;
+doit(foobar);
+
+foobar += " " + foobar;
+doit(foobar);

test.js

@@ -20,6 +20,14 @@ function msieversion()
 	return parseInt (ua.substring (msie+5, ua.indexOf (".", msie )));
 }
 
+var Buffer_from = function(){};
+
+if(typeof Buffer !== 'undefined') {
+	var nbfs = !Buffer.from;
+	if(!nbfs) try { Buffer.from("foo", "utf8"); } catch(e) { nbfs = true; }
+	Buffer_from = nbfs ? function(buf, enc) { return (enc) ? new Buffer(buf, enc) : new Buffer(buf); } : Buffer.from.bind(Buffer);
+}
+
 describe('crc32 table', function() {
 	it('should match fixed table', function() {
 		var overflow = 0;
@@ -35,12 +43,14 @@ describe('crc32 bits', function() {
 	bits.forEach(function(i) {
 		var msg = i[0], l = i[0].length, L = i[1]|0;
 		if(l > 20) msg = i[0].substr(0,5) + "...(" + l + ")..." + i[0].substr(-5);
-		if(l > 100 && msieversion() < 7) return;
+		if(l > 100 && msieversion() < 9) return;
+		if(l > 20000 && typeof Buffer === 'undefined') return;
 		it(msg, function() {
 			if(i[2] === 1) assert.equal(X.bstr(i[0]), L);
 			assert.equal(X.str(i[0]), i[1]|0);
-			if(typeof Buffer !== 'undefined') assert.equal(X.buf(new Buffer(i[0])), L);
-			for(var x = 0; x < i[0].length; ++x) {
+			if(typeof Buffer !== 'undefined') assert.equal(X.buf(Buffer_from(i[0])), L);
+			var len = i[0].length, step = len < 20000 ? 1 : len < 50000 ? Math.ceil(len / 20000) : Math.ceil(len / 2000);
+			for(var x = 0; x < len; x += step) {
 				if(i[0].charCodeAt(x) >= 0xD800 && i[0].charCodeAt(x) < 0xE000) continue;
 				if(i[2] === 1) {
 					var bstrcrc = X.bstr(i[0].substr(x), X.bstr(i[0].substr(0, x)));
@@ -49,7 +59,7 @@ describe('crc32 bits', function() {
 				var strcrc = X.str(i[0].substr(x), X.str(i[0].substr(0, x)));
 				assert.equal(strcrc, i[1]|0);
 				if(typeof Buffer !== 'undefined') {
-					var buf = new Buffer(i[0]);
+					var buf = Buffer_from(i[0]);
 					var bufcrc = X.buf(buf.slice(x), X.buf(buf.slice(0, x)));
 					assert.equal(bufcrc, L);
 				}
@@ -72,9 +82,9 @@ if(typeof require !== 'undefined') describe("unicode", function() {
 				var cc = corpus[ucidx], dd = X.str(c);
 				assert.equal(dd, cc, ":" + ucidx + ":" + c + ":" + cc + ":" + dd);
 				if(typeof Buffer !== 'undefined') {
-					var ee = X.buf(new Buffer(c, "utf8"));
+					var ee = X.buf(Buffer_from(c, "utf8"));
 					assert.equal(ee, cc, ":" + ucidx + ":" + c + ":" + cc + ":" + ee);
-					var ff = X.bstr(String.fromCharCode.apply(null, new Buffer(c, "utf8")));
+					var ff = X.bstr(String.fromCharCode.apply(null, Buffer_from(c, "utf8")));
 					assert.equal(ff, cc, ":" + ucidx + ":" + c + ":" + cc + ":" + ff);
 				}
 			};

test_files/baseline.Cc.txt

@@ -0,0 +1,65 @@
+-771559539
+-1526341861
+1007455905
+1259060791
+-714134636
+-1570235646
+996231864
+1281784366
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+-696344108
+1187101765
+835095763
+-1462772375
+-540480001
+1101822044
+917194954
+-1348331152
+-660264474

test_files/baseline.Cf.txt

@@ -0,0 +1,150 @@
+275937382
+-444539192
+-1836585378
+193904612
+2089389938
+-487777583
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+-1949455999
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+-1935643240
+-72917746
+1655573684
+363412514

test_files/baseline.Lm.txt

@@ -0,0 +1,248 @@
+-1146249545
+-861229535
+1436811163
+581226253
+-1128244562
+-876123592
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+-582790752
+-1438359242
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test_files/baseline.Lt.txt

@@ -0,0 +1,31 @@
+1487938777
+637622372
+-1089992226
+-535985706
+-834344031
+-1186735305
+541756045
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+-230224016
+-2059386906
+474574428
+1800298186
+-269476076
+-802021639
+-152359339

test_files/baseline.Mc.txt

@@ -0,0 +1,383 @@
+-394681659
+-1065674149
+-1341002028
+-954802622
+1751892542
+297237146
+-2000803040
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+-1432804020
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+-1112042914
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+-1160096185
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test_files/baseline.Me.txt

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test_files/baseline.Nd.txt

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test_files/baseline.Nl.txt

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test_files/baseline.No.txt

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test_files/baseline.Pc.txt

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test_files/baseline.Pd.txt

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test_files/baseline.Pe.txt

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test_files/baseline.Pf.txt

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test_files/baseline.Pi.txt

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test_files/baseline.Po.txt

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test_files/baseline.Ps.txt

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test_files/baseline.Sc.txt

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test_files/baseline.Sk.txt

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test_files/baseline.Sm.txt

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test_files/baseline.Z.txt

@@ -0,0 +1,19 @@
+-378745019
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+386923011
+-2099336064

test_files/baseline.Zl.txt

@@ -0,0 +1 @@
+-1230410163

test_files/baseline.Zp.txt

@@ -0,0 +1 @@
+-1045537061

test_files/baseline.Zs.txt

@@ -0,0 +1,17 @@
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+-2099336064

test_files/uctable.Cc.js

@@ -0,0 +1,67 @@
+var unicode = [
+	'\x00',
+	'\x01',
+	'\x02',
+	'\x03',
+	'\x04',
+	'\x05',
+	'\x06',
+	'\x07',
+	'\x08',
+	'\x09',
+	'\x0A',
+	'\x0B',
+	'\x0C',
+	'\x0D',
+	'\x0E',
+	'\x0F',
+	'\x10',
+	'\x11',
+	'\x12',
+	'\x13',
+	'\x14',
+	'\x15',
+	'\x16',
+	'\x17',
+	'\x18',
+	'\x19',
+	'\x1A',
+	'\x1B',
+	'\x1C',
+	'\x1D',
+	'\x1E',
+	'\x1F',
+	'\x7F',
+	'\x80',
+	'\x81',
+	'\x82',
+	'\x83',
+	'\x84',
+	'\x85',
+	'\x86',
+	'\x87',
+	'\x88',
+	'\x89',
+	'\x8A',
+	'\x8B',
+	'\x8C',
+	'\x8D',
+	'\x8E',
+	'\x8F',
+	'\x90',
+	'\x91',
+	'\x92',
+	'\x93',
+	'\x94',
+	'\x95',
+	'\x96',
+	'\x97',
+	'\x98',
+	'\x99',
+	'\x9A',
+	'\x9B',
+	'\x9C',
+	'\x9D',
+	'\x9E',
+	'\x9F'
+];if(typeof module !== 'undefined') module.exports = unicode;

test_files/uctable.Cf.js

@@ -0,0 +1,152 @@
+var unicode = [
+	'\xAD',
+	'\u0600',
+	'\u0601',
+	'\u0602',
+	'\u0603',
+	'\u0604',
+	'\u0605',
+	'\u061C',
+	'\u06DD',
+	'\u070F',
+	'\u180E',
+	'\u200B',
+	'\u200C',
+	'\u200D',
+	'\u200E',
+	'\u200F',
+	'\u202A',
+	'\u202B',
+	'\u202C',
+	'\u202D',
+	'\u202E',
+	'\u2060',
+	'\u2061',
+	'\u2062',
+	'\u2063',
+	'\u2064',
+	'\u2066',
+	'\u2067',
+	'\u2068',
+	'\u2069',
+	'\u206A',
+	'\u206B',
+	'\u206C',
+	'\u206D',
+	'\u206E',
+	'\u206F',
+	'\uFEFF',
+	'\uFFF9',
+	'\uFFFA',
+	'\uFFFB',
+	'\uD804\uDCBD',
+	'\uD82F\uDCA0',
+	'\uD82F\uDCA1',
+	'\uD82F\uDCA2',
+	'\uD82F\uDCA3',
+	'\uD834\uDD73',
+	'\uD834\uDD74',
+	'\uD834\uDD75',
+	'\uD834\uDD76',
+	'\uD834\uDD77',
+	'\uD834\uDD78',
+	'\uD834\uDD79',
+	'\uD834\uDD7A',
+	'\uDB40\uDC01',
+	'\uDB40\uDC20',
+	'\uDB40\uDC21',
+	'\uDB40\uDC22',
+	'\uDB40\uDC23',
+	'\uDB40\uDC24',
+	'\uDB40\uDC25',
+	'\uDB40\uDC26',
+	'\uDB40\uDC27',
+	'\uDB40\uDC28',
+	'\uDB40\uDC29',
+	'\uDB40\uDC2A',
+	'\uDB40\uDC2B',
+	'\uDB40\uDC2C',
+	'\uDB40\uDC2D',
+	'\uDB40\uDC2E',
+	'\uDB40\uDC2F',
+	'\uDB40\uDC30',
+	'\uDB40\uDC31',
+	'\uDB40\uDC32',
+	'\uDB40\uDC33',
+	'\uDB40\uDC34',
+	'\uDB40\uDC35',
+	'\uDB40\uDC36',
+	'\uDB40\uDC37',
+	'\uDB40\uDC38',
+	'\uDB40\uDC39',
+	'\uDB40\uDC3A',
+	'\uDB40\uDC3B',
+	'\uDB40\uDC3C',
+	'\uDB40\uDC3D',
+	'\uDB40\uDC3E',
+	'\uDB40\uDC3F',
+	'\uDB40\uDC40',
+	'\uDB40\uDC41',
+	'\uDB40\uDC42',
+	'\uDB40\uDC43',
+	'\uDB40\uDC44',
+	'\uDB40\uDC45',
+	'\uDB40\uDC46',
+	'\uDB40\uDC47',
+	'\uDB40\uDC48',
+	'\uDB40\uDC49',
+	'\uDB40\uDC4A',
+	'\uDB40\uDC4B',
+	'\uDB40\uDC4C',
+	'\uDB40\uDC4D',
+	'\uDB40\uDC4E',
+	'\uDB40\uDC4F',
+	'\uDB40\uDC50',
+	'\uDB40\uDC51',
+	'\uDB40\uDC52',
+	'\uDB40\uDC53',
+	'\uDB40\uDC54',
+	'\uDB40\uDC55',
+	'\uDB40\uDC56',
+	'\uDB40\uDC57',
+	'\uDB40\uDC58',
+	'\uDB40\uDC59',
+	'\uDB40\uDC5A',
+	'\uDB40\uDC5B',
+	'\uDB40\uDC5C',
+	'\uDB40\uDC5D',
+	'\uDB40\uDC5E',
+	'\uDB40\uDC5F',
+	'\uDB40\uDC60',
+	'\uDB40\uDC61',
+	'\uDB40\uDC62',
+	'\uDB40\uDC63',
+	'\uDB40\uDC64',
+	'\uDB40\uDC65',
+	'\uDB40\uDC66',
+	'\uDB40\uDC67',
+	'\uDB40\uDC68',
+	'\uDB40\uDC69',
+	'\uDB40\uDC6A',
+	'\uDB40\uDC6B',
+	'\uDB40\uDC6C',
+	'\uDB40\uDC6D',
+	'\uDB40\uDC6E',
+	'\uDB40\uDC6F',
+	'\uDB40\uDC70',
+	'\uDB40\uDC71',
+	'\uDB40\uDC72',
+	'\uDB40\uDC73',
+	'\uDB40\uDC74',
+	'\uDB40\uDC75',
+	'\uDB40\uDC76',
+	'\uDB40\uDC77',
+	'\uDB40\uDC78',
+	'\uDB40\uDC79',
+	'\uDB40\uDC7A',
+	'\uDB40\uDC7B',
+	'\uDB40\uDC7C',
+	'\uDB40\uDC7D',
+	'\uDB40\uDC7E',
+	'\uDB40\uDC7F'
+];if(typeof module !== 'undefined') module.exports = unicode;

test_files/uctable.Lm.js

@@ -0,0 +1,250 @@
+var unicode = [
+	'\u02B0',
+	'\u02B1',
+	'\u02B2',
+	'\u02B3',
+	'\u02B4',
+	'\u02B5',
+	'\u02B6',
+	'\u02B7',
+	'\u02B8',
+	'\u02B9',
+	'\u02BA',
+	'\u02BB',
+	'\u02BC',
+	'\u02BD',
+	'\u02BE',
+	'\u02BF',
+	'\u02C0',
+	'\u02C1',
+	'\u02C6',
+	'\u02C7',
+	'\u02C8',
+	'\u02C9',
+	'\u02CA',
+	'\u02CB',
+	'\u02CC',
+	'\u02CD',
+	'\u02CE',
+	'\u02CF',
+	'\u02D0',
+	'\u02D1',
+	'\u02E0',
+	'\u02E1',
+	'\u02E2',
+	'\u02E3',
+	'\u02E4',
+	'\u02EC',
+	'\u02EE',
+	'\u0374',
+	'\u037A',
+	'\u0559',
+	'\u0640',
+	'\u06E5',
+	'\u06E6',
+	'\u07F4',
+	'\u07F5',
+	'\u07FA',
+	'\u081A',
+	'\u0824',
+	'\u0828',
+	'\u0971',
+	'\u0E46',
+	'\u0EC6',
+	'\u10FC',
+	'\u17D7',
+	'\u1843',
+	'\u1AA7',
+	'\u1C78',
+	'\u1C79',
+	'\u1C7A',
+	'\u1C7B',
+	'\u1C7C',
+	'\u1C7D',
+	'\u1D2C',
+	'\u1D2D',
+	'\u1D2E',
+	'\u1D2F',
+	'\u1D30',
+	'\u1D31',
+	'\u1D32',
+	'\u1D33',
+	'\u1D34',
+	'\u1D35',
+	'\u1D36',
+	'\u1D37',
+	'\u1D38',
+	'\u1D39',
+	'\u1D3A',
+	'\u1D3B',
+	'\u1D3C',
+	'\u1D3D',
+	'\u1D3E',
+	'\u1D3F',
+	'\u1D40',
+	'\u1D41',
+	'\u1D42',
+	'\u1D43',
+	'\u1D44',
+	'\u1D45',
+	'\u1D46',
+	'\u1D47',
+	'\u1D48',
+	'\u1D49',
+	'\u1D4A',
+	'\u1D4B',
+	'\u1D4C',
+	'\u1D4D',
+	'\u1D4E',
+	'\u1D4F',
+	'\u1D50',
+	'\u1D51',
+	'\u1D52',
+	'\u1D53',
+	'\u1D54',
+	'\u1D55',
+	'\u1D56',
+	'\u1D57',
+	'\u1D58',
+	'\u1D59',
+	'\u1D5A',
+	'\u1D5B',
+	'\u1D5C',
+	'\u1D5D',
+	'\u1D5E',
+	'\u1D5F',
+	'\u1D60',
+	'\u1D61',
+	'\u1D62',
+	'\u1D63',
+	'\u1D64',
+	'\u1D65',
+	'\u1D66',
+	'\u1D67',
+	'\u1D68',
+	'\u1D69',
+	'\u1D6A',
+	'\u1D78',
+	'\u1D9B',
+	'\u1D9C',
+	'\u1D9D',
+	'\u1D9E',
+	'\u1D9F',
+	'\u1DA0',
+	'\u1DA1',
+	'\u1DA2',
+	'\u1DA3',
+	'\u1DA4',
+	'\u1DA5',
+	'\u1DA6',
+	'\u1DA7',
+	'\u1DA8',
+	'\u1DA9',
+	'\u1DAA',
+	'\u1DAB',
+	'\u1DAC',
+	'\u1DAD',
+	'\u1DAE',
+	'\u1DAF',
+	'\u1DB0',
+	'\u1DB1',
+	'\u1DB2',
+	'\u1DB3',
+	'\u1DB4',
+	'\u1DB5',
+	'\u1DB6',
+	'\u1DB7',
+	'\u1DB8',
+	'\u1DB9',
+	'\u1DBA',
+	'\u1DBB',
+	'\u1DBC',
+	'\u1DBD',
+	'\u1DBE',
+	'\u1DBF',
+	'\u2071',
+	'\u207F',
+	'\u2090',
+	'\u2091',
+	'\u2092',
+	'\u2093',
+	'\u2094',
+	'\u2095',
+	'\u2096',
+	'\u2097',
+	'\u2098',
+	'\u2099',
+	'\u209A',
+	'\u209B',
+	'\u209C',
+	'\u2C7C',
+	'\u2C7D',
+	'\u2D6F',
+	'\u2E2F',
+	'\u3005',
+	'\u3031',
+	'\u3032',
+	'\u3033',
+	'\u3034',
+	'\u3035',
+	'\u303B',
+	'\u309D',
+	'\u309E',
+	'\u30FC',
+	'\u30FD',
+	'\u30FE',
+	'\uA015',
+	'\uA4F8',
+	'\uA4F9',
+	'\uA4FA',
+	'\uA4FB',
+	'\uA4FC',
+	'\uA4FD',
+	'\uA60C',
+	'\uA67F',
+	'\uA69C',
+	'\uA69D',
+	'\uA717',
+	'\uA718',
+	'\uA719',
+	'\uA71A',
+	'\uA71B',
+	'\uA71C',
+	'\uA71D',
+	'\uA71E',
+	'\uA71F',
+	'\uA770',
+	'\uA788',
+	'\uA7F8',
+	'\uA7F9',
+	'\uA9CF',
+	'\uA9E6',
+	'\uAA70',
+	'\uAADD',
+	'\uAAF3',
+	'\uAAF4',
+	'\uAB5C',
+	'\uAB5D',
+	'\uAB5E',
+	'\uAB5F',
+	'\uFF70',
+	'\uFF9E',
+	'\uFF9F',
+	'\uD81A\uDF40',
+	'\uD81A\uDF41',
+	'\uD81A\uDF42',
+	'\uD81A\uDF43',
+	'\uD81B\uDF93',
+	'\uD81B\uDF94',
+	'\uD81B\uDF95',
+	'\uD81B\uDF96',
+	'\uD81B\uDF97',
+	'\uD81B\uDF98',
+	'\uD81B\uDF99',
+	'\uD81B\uDF9A',
+	'\uD81B\uDF9B',
+	'\uD81B\uDF9C',
+	'\uD81B\uDF9D',
+	'\uD81B\uDF9E',
+	'\uD81B\uDF9F'
+];if(typeof module !== 'undefined') module.exports = unicode;