forked from sheetjs/docs.sheetjs.com
123 lines
4.1 KiB
Markdown
123 lines
4.1 KiB
Markdown
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---
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sidebar_position: 7
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hide_table_of_contents: true
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---
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# Contributing
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Due to the precarious nature of the Open Specifications Promise, it is very
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important to ensure code is cleanroom. [Contribution Notes](https://raw.githubusercontent.com/SheetJS/sheetjs/master/CONTRIBUTING.md)
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<details>
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<summary><b>File organization</b> (click to show)</summary>
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At a high level, the final script is a concatenation of the individual files in
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the `bits` folder. Running `make` should reproduce the final output on all
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platforms.
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Folders:
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| folder | contents |
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|:-------------|:--------------------------------------------------------------|
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| `bits` | raw source files that make up the final script |
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| `bin` | server-side bin scripts (`xlsx.njs`) |
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| `dist` | dist files for web browsers and nonstandard JS environments |
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| `demos` | demo projects for platforms like ExtendScript and Webpack |
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| `tests` | browser tests (run `make ctest` to rebuild) |
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| `types` | typescript definitions and tests |
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| `misc` | miscellaneous supporting scripts |
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| `test_files` | test files (pulled from the test files repository) |
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</details>
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After cloning the repo, running `make help` will display a list of commands.
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## Platform-Specific Details
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import Tabs from '@theme/Tabs';
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import TabItem from '@theme/TabItem';
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<Tabs>
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<TabItem value="osx" label="OSX/Linux">
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The `xlsx.js` file is constructed from the files in the `bits` subdirectory. The
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build script (run `make`) will concatenate the individual bits to produce the
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script. Before submitting a contribution, ensure that running make will produce
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the `xlsx.js` file exactly. The simplest way to test is to add the script:
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```bash
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$ git add xlsx.js
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$ make clean
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$ make
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$ git diff xlsx.js
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```
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To produce the dist files, run `make dist`. The dist files are updated in each
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version release and *should not be committed between versions*.
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</TabItem>
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<TabItem value="win" label="Windows">
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The included `make.cmd` script will build `xlsx.js` from the `bits` directory.
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Building is as simple as:
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```cmd
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> make
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```
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To prepare development environment:
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```cmd
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> make init
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```
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The full list of commands available in Windows are displayed in `make help`:
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```
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make init -- install deps and global modules
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make lint -- run eslint linter
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make test -- run mocha test suite
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make misc -- run smaller test suite
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make book -- rebuild README and summary
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make help -- display this message
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```
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As explained in [Test Files](./testing#test-files), on Windows the release ZIP file must
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be downloaded and extracted. If Bash on Windows is available, it is possible
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to run the OSX/Linux workflow. The following steps prepares the environment:
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```bash
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# Install support programs for the build and test commands
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sudo apt-get install make git subversion mercurial
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# Install nodejs and NPM within the WSL
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wget -qO- https://deb.nodesource.com/setup_8.x | sudo bash
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sudo apt-get install nodejs
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# Install dev dependencies
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sudo npm install -g mocha voc blanket xlsjs
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```
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</TabItem>
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</Tabs>
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### Tests
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The `test_misc` target (`make test_misc` on Linux/OSX / `make misc` on Windows)
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runs the targeted feature tests. It should take 5-10 seconds to perform feature
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tests without testing against the entire test battery. New features should be
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accompanied with tests for the relevant file formats and features.
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For tests involving the read side, an appropriate feature test would involve
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reading an existing file and checking the resulting workbook object. If a
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parameter is involved, files should be read with different values to verify that
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the feature is working as expected.
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For tests involving a new write feature which can already be parsed, appropriate
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feature tests would involve writing a workbook with the feature and then opening
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and verifying that the feature is preserved.
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For tests involving a new write feature without an existing read ability, please
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add a feature test to the kitchen sink `tests/write.js`.
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