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docz/docs/02-getting-started/01-installation/01-standalone.mdx

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+pagination_prev: getting-started/index
+pagination_next: getting-started/example
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   summary: Classic pages with simple <script> tags

docz/docs/02-getting-started/01-installation/02-frameworks.md

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+pagination_prev: getting-started/index
+pagination_next: getting-started/example
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   summary: Angular, React, VueJS, Webpack, etc.

docz/docs/02-getting-started/01-installation/03-deno.md

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+pagination_prev: getting-started/index
+pagination_next: getting-started/example
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   summary: Import ECMAScript Modules and TypeScript definitions

docz/docs/02-getting-started/01-installation/04-nodejs.md

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+pagination_prev: getting-started/index
+pagination_next: getting-started/example
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docz/docs/02-getting-started/01-installation/05-extendscript.md

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+pagination_prev: getting-started/index
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   summary: Photoshop, InDesign, and other Creative Cloud apps

docz/docs/02-getting-started/01-installation/06-amd.md

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+pagination_prev: getting-started/index
+pagination_next: getting-started/example
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   summary: NetSuite, SAP UI5, RequireJS

docz/docs/02-getting-started/01-installation/07-bun.md

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+pagination_prev: getting-started/index
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   summary: Download and Import ECMAScript Modules

docz/docs/02-getting-started/02-example.mdx

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docz/docs/02-getting-started/index.md

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 hide_table_of_contents: true
+pagination_next: getting-started/example
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 # Getting Started

docz/docs/03-demos/14-grid.md

@@ -27,12 +27,6 @@ suitable for a number of libraries.  When more advanced shapes are needed,
 it is easier to munge the output of an array of arrays.
 
 
-### Tabulator
-
-[Tabulator](http://tabulator.info/docs/5.3/download#xlsx) includes deep support
-through a special Export button.  It handles the SheetJS-related operations.
-
-
 ### x-spreadsheet
 
 With a familiar UI, [`x-spreadsheet`](https://myliang.github.io/x-spreadsheet/)
@@ -206,6 +200,13 @@ many additional features including massive data streaming, sorting and styling.
 
 </details>
 
+
+### Tabulator
+
+[Tabulator](http://tabulator.info/docs/5.3/download#xlsx) includes deep support
+through a special Export button.  It handles the SheetJS-related operations.
+
+
 ### Angular UI Grid
 
 :::warning

docz/docs/03-demos/24-server.md

@@ -414,4 +414,144 @@ The response should show the data in CSV rows.
 
 It should prompt to download `SheetJSNest.xlsx`
 
-</details>
+</details>
+
+### Fastify
+
+:::note
+
+This demo was verified on 2022 August 24 using `fastify@4.5.2`
+
+:::
+
+_Reading Data_
+
+`@fastify/multipart`, which uses `busbuy` under the hood, can be registered:
+
+```js
+/* load SheetJS Library */
+const XLSX = require("xlsx");
+/* load fastify and enable body parsing */
+const fastify = require('fastify')({logger: true});
+// highlight-next-line
+fastify.register(require('@fastify/multipart'), { attachFieldsToBody: true });
+```
+
+Once registered with the option `attachFieldsToBody`, route handlers can use
+`req.body` directly:
+
+```js
+/* POST / reads submitted file and exports to requested format */
+fastify.post('/', async(req, reply) => {
+  /* "file" is the name of the field in the HTML form*/
+  const file = req.body.upload;
+  /* toBuffer returns a promise that resolves to a Buffer */
+  // highlight-next-line
+  const buf = await file.toBuffer();
+  /* `XLSX.read` can read the Buffer */
+  const wb = XLSX.read(buf);
+  /* reply with a CSV */
+  reply.send(XLSX.utils.sheet_to_csv(wb.Sheets[wb.SheetNames[0]]));
+});
+```
+
+:::caution
+
+Out of the box, Fastify will return an error `FST_ERR_CTP_BODY_TOO_LARGE` when
+processing large spreadsheets (`statusCode 413`).  This is a Fastify issue.
+
+[`bodyLimit`](https://www.fastify.io/docs/latest/Reference/Server/#bodylimit)
+in the docs explains the setting. It can be overridden during server creation:
+
+```js
+/* increase request body size limit to 5MB = 5 * 1024 * 1024 bytes */
+const fastify = require('fastify')({bodyLimit: 5 * 1024 * 1024});
+```
+
+:::
+
+_Writing Data_
+
+The `Content-Disposition` header must be set manually:
+
+```js
+/* GET / returns a workbook */
+fastify.get('/', (req, reply) => {
+  /* make a workbook */
+  var wb = XLSX.read("S,h,e,e,t,J,S\n5,4,3,3,7,9,5", {type: "binary"});
+
+  /* write to Buffer */
+  const buf = XLSX.write(wb, {type:"buffer", bookType: "xlsx"});
+
+  /* set Content-Disposition header and send data */
+  // highlight-next-line
+  reply.header('Content-Disposition', 'attachment; filename="SheetJSFastify.xlsx"').send(buf);
+});
+```
+
+<details><summary><b>Testing</b> (click to show)</summary>
+
+0) Save the following snippet to `SheetJSFastify.js`:
+
+```js
+/* load SheetJS Library */
+const XLSX = require("xlsx");
+/* load fastify and enable body parsing */
+const fastify = require('fastify')({logger: true});
+fastify.register(require('@fastify/multipart'), { attachFieldsToBody: true });
+
+/* GET / returns a workbook */
+fastify.get('/', (req, reply) => {
+  /* make a workbook */
+  var wb = XLSX.read("S,h,e,e,t,J,S\n5,4,3,3,7,9,5", {type: "binary"});
+
+  /* write to Buffer */
+  const buf = XLSX.write(wb, {type:"buffer", bookType: "xlsx"});
+
+  /* set Content-Disposition header and send data */
+  reply.header('Content-Disposition', 'attachment; filename="SheetJSFastify.xlsx"').send(buf);
+});
+
+/* POST / reads submitted file and exports to requested format */
+fastify.post('/', async(req, reply) => {
+
+  /* "file" is the name of the field in the HTML form*/
+  const file = req.body.upload;
+
+  /* toBuffer returns a promise that resolves to a Buffer */
+  const wb = XLSX.read(await file.toBuffer());
+
+  /* send back a CSV */
+  reply.send(XLSX.utils.sheet_to_csv(wb.Sheets[wb.SheetNames[0]]));
+});
+
+/* start */
+fastify.listen({port: process.env.PORT || 3000}, (err, addr) => { if(err) throw err; });
+```
+
+1) Install dependencies:
+
+```bash
+npm i --save https://cdn.sheetjs.com/xlsx-latest/xlsx-latest.tgz fastify @fastify/multipart
+```
+
+2) Start server
+
+```bash
+node SheetJSFastify.js
+```
+
+3) Test POST requests using <https://sheetjs.com/pres.numbers>:
+
+```bash
+curl -LO https://sheetjs.com/pres.numbers
+curl -X POST -F upload=@pres.numbers http://localhost:3000/
+```
+
+The response should show the data in CSV rows.
+
+4) Test GET requests by opening http://localhost:3000/ in your browser.
+
+It should prompt to download `SheetJSFastify.xlsx`
+
+</details>

docz/docs/03-demos/index.md

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+pagination_prev: getting-started/index
 sidebar_position: 1
 hide_table_of_contents: true
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@@ -19,7 +20,7 @@ The demo projects include small runnable examples and short explainers.
 
 ### Frameworks
 
-- [`Angular 2+ and Ionic`](./angular)
+- [`Angular`](./angular)
 - [`React`](./react)
 - [`VueJS`](./vue)
 - [`Angular.JS`](./legacy#angularjs)

docz/docs/06-solutions/03-processing.md

@@ -8,9 +8,57 @@ The ["Common Spreadsheet Format"](../csf/general) is a simple object
 representation of the core concepts of a workbook.  The utility functions work
 with the object representation and are intended to handle common use cases.
 
-## Modifying Workbook Structure
+The [Data Input](./input) and [Data Output](./output) sections cover how to
+read from data sources and write to data sources.
 
-#### API
+## Workbook
+
+### Worksheets
+
+:::note
+
+Worksheet names are case-sensitive.
+
+:::
+
+_List the Worksheet names in tab order_
+
+```js
+var wsnames = workbook.SheetNames;
+```
+
+The `SheetNames` property of the workbook object is a list of the worksheet
+names in "tab order".  API functions will look at this array.
+
+_Access a Worksheet by name_
+
+```js
+var worksheet = workbook.Sheets[sheet_name];
+```
+
+The workbook object's `Sheets` property is an object whose keys are sheet names
+and whose values are worksheet objects.
+
+_Access the first Worksheet_
+
+```js
+var first_ws = workbook.Sheets[workbook.SheetNames[0]];
+```
+
+Combining the previous examples, `workbook.Sheets[workbook.SheetNames[n]]` is
+the `n`-th worksheet if it exists in the workbook.
+
+
+_Replace a Worksheet in place_
+
+```js
+workbook.Sheets[sheet_name] = new_worksheet;
+```
+
+The `Sheets` property of the workbook object is an object whose keys are names
+and whose values are worksheet objects.  By reassigning to a property of the
+`Sheets` object, the worksheet object can be changed without disrupting the
+rest of the worksheet structure.
 
 _Append a Worksheet to a Workbook_
 
@@ -40,30 +88,8 @@ XLSX.utils.book_append_sheet(workbook, sheetC, "Sheet2", true); // Sheet4
 XLSX.utils.book_append_sheet(workbook, sheetD, "Sheet2", true); // Sheet5
 ```
 
-_List the Worksheet names in tab order_
-
-```js
-var wsnames = workbook.SheetNames;
-```
-
-The `SheetNames` property of the workbook object is a list of the worksheet
-names in "tab order".  API functions will look at this array.
-
-_Replace a Worksheet in place_
-
-```js
-workbook.Sheets[sheet_name] = new_worksheet;
-```
-
-The `Sheets` property of the workbook object is an object whose keys are names
-and whose values are worksheet objects.  By reassigning to a property of the
-`Sheets` object, the worksheet object can be changed without disrupting the
-rest of the worksheet structure.
-
 #### Examples
 
-This example uses [`XLSX.utils.aoa_to_sheet`](../api/utilities#array-of-arrays-input).
-
 ```js
 var ws_name = "SheetJS";
 
@@ -74,21 +100,53 @@ var ws_data = [
 ];
 var ws = XLSX.utils.aoa_to_sheet(ws_data);
 
+/* Create workbook */
+var wb = XLSX.utils.book_new();
+
 /* Add the worksheet to the workbook */
+// highlight-next-line
 XLSX.utils.book_append_sheet(wb, ws, ws_name);
+
+/* Write to file */
+XLSX.writeFile(wb, "SheetJS.xlsx");
 ```
 
-## Modifying Cell Values
+### Other Properties
 
-#### API
+_Add a Defined Name_
 
-_Modify a single cell value in a worksheet_
+```js
+if(!workbook.Workbook) workbook.Workbook = {};
+if(!workbook.Workbook.Names) workbook.Workbook.Names = [];
+workbook.Workbook.Names.push({
+  Name: "SourceData",
+  Ref: "Sheet1!A1:D12"
+});
+```
+
+This is described in more detail in ["Workbook Object"](../csf/book#defined-names).
+
+_Set Workbook Properties_
+
+```js
+if(!wb.Props) wb.Props = {};
+wb.Props["Company"] = "SheetJS LLC";
+```
+
+The full set of property names, and their mapping to the Excel UI, is included
+in ["File Properties"](../csf/book#file-properties)
+
+## Worksheet
+
+### Cells
+
+_Modify a single cell value in a Worksheet_
 
 ```js
 XLSX.utils.sheet_add_aoa(worksheet, [[new_value]], { origin: address });
 ```
 
-_Modify multiple cell values in a worksheet_
+_Modify multiple cell values in a Worksheet_
 
 ```js
 XLSX.utils.sheet_add_aoa(worksheet, aoa, opts);
@@ -122,8 +180,29 @@ XLSX.utils.sheet_add_aoa(worksheet, [
 ], { origin: -1 });
 ```
 
-## Modifying Other Worksheet / Workbook / Cell Properties
+### Other Properties
 
-The ["Common Spreadsheet Format"](../csf/general) section describes
-the object structures in greater detail.
+_Merge a group of cells_
 
+```js
+if(!worksheet["!merges"]) worksheet["!merges"] = [];
+worksheet["!merges"].push(XLSX.utils.decode_range("A1:E1"));
+```
+
+The `!merges` property of a worksheet object is a list of [Cell Ranges](../csf/general#cell-ranges).
+The data for the cell will be taken from the top-left cell.
+
+A range can be created with `decode_range` or specified manually:
+
+```js
+worksheet["!merges"].push({
+  s: { r: 2, c: 1 }, // s ("start"): c = 1 r = 2 -> "B3"
+  e: { r: 3, c: 4 }  // e ("end"):   c = 4 r = 3 -> "E4"
+});
+```
+
+:::caution
+
+This approach does not verify if two merged ranges intersect.
+
+:::

docz/docs/07-csf/index.md

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docz/docs/08-api/index.md

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