denoncm
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@ -7,19 +7,12 @@ sidebar_custom_props:
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---
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import current from '/version.js';
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import Tabs from '@theme/Tabs';
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import TabItem from '@theme/TabItem';
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# Deno
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[Deno](https://deno.land/) is a JavaScript runtime powered by V8.
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:::caution Deno support is considered experimental.
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Great open source software grows with user tests and reports. Any issues should
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be reported to the Deno project for further diagnosis.
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:::
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Each standalone release script is available at <https://cdn.sheetjs.com/>.
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Module scripts and type definitions are available at <https://cdn.sheetjs.com/>.
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Using the URL imports, `deno run` will automatically download scripts and types:
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@ -30,12 +23,10 @@ import * as XLSX from 'https://cdn.sheetjs.com/xlsx-${current}/package/xlsx.mjs'
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The `@deno-types` comment instructs Deno to use the type definitions.
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:::warning
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:::caution Deno support is considered experimental.
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Older releases are technically available on [deno.land/x](https://deno.land/x/)
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but the Deno registry is out of date.
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<https://cdn.sheetjs.com/> is the authoritative source for SheetJS scripts.
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Great open source software grows with user tests and reports. Any issues should
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be reported to the Deno project for further diagnosis.
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:::
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@ -48,3 +39,92 @@ If Encoding support is required, `cpexcel.full.mjs` must be manually imported:
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import * as cptable from 'https://cdn.sheetjs.com/xlsx-${current}/package/dist/cpexcel.full.mjs';
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XLSX.set_cptable(cptable);`}
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</code></pre>
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## Node Compatibility Mode
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:::caution
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Node Compatibility Mode is useful for migrating existing NodeJS scripts to Deno.
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It is considered unstable by the platform developers.
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For greenfield Deno projects, HTTP imports are strongly recommended.
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:::
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The ["NodeJS" installation section](/docs/getting-started/installation/nodejs)
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includes instructions for installing the NodeJS package.
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After installing, the `std/node` require can be used directly:
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```ts
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/* load the `require` machinery */
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import { createRequire } from "https://deno.land/std/node/module.ts";
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const require = createRequire(import.meta.url);
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/* require the library */
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const XLSX = require("xlsx");
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```
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## Upgrade Notes
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Upgrading to the latest version involves changing the import URLs. The import
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and the types URLs should be updated at the same time:
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<pre><code parentName="pre" {...{"className": "language-diff"}}>{`\
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-// @deno-types="https://cdn.sheetjs.com/xlsx-0.18.3/package/types/index.d.ts"
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+// @deno-types="https://cdn.sheetjs.com/xlsx-${current}/package/types/index.d.ts"
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-import * as XLSX from 'https://cdn.sheetjs.com/xlsx-0.18.3/package/xlsx.mjs';
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+import * as XLSX from 'https://cdn.sheetjs.com/xlsx-${current}/package/xlsx.mjs';
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-import * as cptable from 'https://cdn.sheetjs.com/xlsx-0.18.3/package/dist/cpexcel.full.mjs';
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+import * as cptable from 'https://cdn.sheetjs.com/xlsx-${current}/package/dist/cpexcel.full.mjs';
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`}
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</code></pre>
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#### Deno Registry
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:::warning
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The official Deno registry is out of date. This is a registry bug.
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<https://cdn.sheetjs.com/> is the authoritative source for SheetJS scripts.
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:::
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Applications using the Deno registry can migrate by changing the URLs.
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<Tabs>
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<TabItem value="v" label="URL with version">
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The SheetJS CDN version has no `v`. For example, `v0.18.3` maps to `0.18.3`:
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```diff
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-// @deno-types="https://deno.land/x/sheetjs@v0.18.3/types/index.d.ts"
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+// @deno-types="https://cdn.sheetjs.com/xlsx-0.18.3/package/types/index.d.ts"
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-import * as XLSX from 'https://deno.land/x/sheetjs@v0.18.3/xlsx.mjs';
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+import * as XLSX from 'https://cdn.sheetjs.com/xlsx-0.18.3/package/xlsx.mjs';
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-import * as cptable from 'https://deno.land/x/sheetjs@v0.18.3/dist/cpexcel.full.mjs';
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+import * as cptable from 'https://cdn.sheetjs.com/xlsx-0.18.3/package/dist/cpexcel.full.mjs';
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```
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</TabItem>
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<TabItem value="nov" label="URL without version">
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Version-less imports (`https://deno.land/x/sheetjs/xlsx.mjs`) map to `0.18.3`:
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```diff
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-// @deno-types="https://deno.land/x/sheetjs/types/index.d.ts"
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+// @deno-types="https://cdn.sheetjs.com/xlsx-0.18.3/package/types/index.d.ts"
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-import * as XLSX from 'https://deno.land/x/sheetjs/xlsx.mjs';
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+import * as XLSX from 'https://cdn.sheetjs.com/xlsx-0.18.3/package/xlsx.mjs';
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-import * as cptable from 'https://deno.land/x/sheetjs/dist/cpexcel.full.mjs';
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+import * as cptable from 'https://cdn.sheetjs.com/xlsx-0.18.3/package/dist/cpexcel.full.mjs';
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```
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</TabItem>
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</Tabs>
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@ -80,8 +80,6 @@ body parser out of the box.
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In testing, [Drash](https://drash.land/drash/) had an in-memory body parser
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which could handle file uploads on hosted services like Deno Deploy.
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The service <https://s2c.sheetjs.com> is hosted on Deno Deploy using Drash!
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_Reading Data_
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`Request#bodyParam` reads body parameters. For uploaded files, the `content`
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@ -174,9 +172,9 @@ class ParseResource extends Drash.Resource {
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<pre><h3><a href="//sheetjs.com/">SheetJS</a> Spreadsheet Conversion Service</h3>
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<b>API</b>
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Send a POST request to https://s2c.sheetjs.com/ with the file in the "file" body parameter:
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Send a POST request to http://localhost:3000/ with the file in the "file" body parameter:
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$ curl -X POST -F"file=@test.xlsx" https://s2c.sheetjs.com/
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$ curl -X POST -F"file=@test.xlsx" http://localhost:3000/
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The response will be an HTML TABLE generated from the first worksheet.
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@ -459,8 +457,8 @@ fastify.post('/', async(req, reply) => {
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Out of the box, Fastify will return an error `FST_ERR_CTP_BODY_TOO_LARGE` when
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processing large spreadsheets (`statusCode 413`). This is a Fastify issue.
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[`bodyLimit`](https://www.fastify.io/docs/latest/Reference/Server/#bodylimit)
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in the docs explains the setting. It can be overridden during server creation:
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The default body size limit (including all uploaded files and fields) is 1 MB.
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It can be increased by setting the `bodyLimit` option during server creation:
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```js
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/* increase request body size limit to 5MB = 5 * 1024 * 1024 bytes */
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@ -126,12 +126,14 @@ support for CSS styling and rich text.
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```html
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<script>
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(async() => {
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const f = await fetch(URL_TO_DOWNLOAD); // replace with the URL of the file
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const ab = await f.arrayBuffer();
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/* replace with the URL of the file */
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const URL_TO_DOWNLOAD = "https://sheetjs.com/pres.numbers";
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const ab = await (await fetch(URL_TO_DOWNLOAD)).arrayBuffer();
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/* Parse file and get first worksheet */
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const wb = XLSX.read(ab);
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const ws = wb.Sheets[wb.SheetNames[0]];
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const wsname = wb.SheetNames[0];
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const ws = wb.Sheets[wsname];
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/* Generate HTML */
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var output = document.getElementById("TableContainer");
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