Update dependencies (#20)
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- @actions/core - glob - screeps-api Reviewed-on: #20 Co-authored-by: Philipp Horstenkamp <philipp@horstenkamp.de> Co-committed-by: Philipp Horstenkamp <philipp@horstenkamp.de>
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# emoji-regex [](https://travis-ci.org/mathiasbynens/emoji-regex)
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_emoji-regex_ offers a regular expression to match all emoji symbols and sequences (including textual representations of emoji) as per the Unicode Standard.
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This repository contains a script that generates this regular expression based on [Unicode data](https://github.com/node-unicode/node-unicode-data). Because of this, the regular expression can easily be updated whenever new emoji are added to the Unicode standard.
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## Installation
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Via [npm](https://www.npmjs.com/):
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```bash
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npm install emoji-regex
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```
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In [Node.js](https://nodejs.org/):
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```js
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const emojiRegex = require('emoji-regex/RGI_Emoji.js');
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// Note: because the regular expression has the global flag set, this module
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// exports a function that returns the regex rather than exporting the regular
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// expression itself, to make it impossible to (accidentally) mutate the
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// original regular expression.
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const text = `
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\u{231A}: ⌚ default emoji presentation character (Emoji_Presentation)
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\u{2194}\u{FE0F}: ↔️ default text presentation character rendered as emoji
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\u{1F469}: 👩 emoji modifier base (Emoji_Modifier_Base)
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\u{1F469}\u{1F3FF}: 👩🏿 emoji modifier base followed by a modifier
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`;
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const regex = emojiRegex();
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let match;
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while (match = regex.exec(text)) {
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const emoji = match[0];
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console.log(`Matched sequence ${ emoji } — code points: ${ [...emoji].length }`);
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}
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```
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Console output:
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```
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Matched sequence ⌚ — code points: 1
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Matched sequence ⌚ — code points: 1
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Matched sequence ↔️ — code points: 2
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Matched sequence ↔️ — code points: 2
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Matched sequence 👩 — code points: 1
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Matched sequence 👩 — code points: 1
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Matched sequence 👩🏿 — code points: 2
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Matched sequence 👩🏿 — code points: 2
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```
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## Regular expression flavors
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The package comes with three distinct regular expressions:
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```js
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// This is the recommended regular expression to use. It matches all
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// emoji recommended for general interchange, as defined via the
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// `RGI_Emoji` property in the Unicode Standard.
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// https://unicode.org/reports/tr51/#def_rgi_set
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// When in doubt, use this!
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const emojiRegexRGI = require('emoji-regex/RGI_Emoji.js');
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// This is the old regular expression, prior to `RGI_Emoji` being
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// standardized. In addition to all `RGI_Emoji` sequences, it matches
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// some emoji you probably don’t want to match (such as emoji component
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// symbols that are not meant to be used separately).
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const emojiRegex = require('emoji-regex/index.js');
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// This regular expression matches even more emoji than the previous
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// one, including emoji that render as text instead of icons (i.e.
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// emoji that are not `Emoji_Presentation` symbols and that aren’t
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// forced to render as emoji by a variation selector).
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const emojiRegexText = require('emoji-regex/text.js');
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```
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Additionally, in environments which support ES2015 Unicode escapes, you may `require` ES2015-style versions of the regexes:
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```js
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const emojiRegexRGI = require('emoji-regex/es2015/RGI_Emoji.js');
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const emojiRegex = require('emoji-regex/es2015/index.js');
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const emojiRegexText = require('emoji-regex/es2015/text.js');
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```
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## For maintainers
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### How to update emoji-regex after new Unicode Standard releases
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1. Update the Unicode data dependency in `package.json` by running the following commands:
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```sh
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# Example: updating from Unicode v12 to Unicode v13.
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npm uninstall @unicode/unicode-12.0.0
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npm install @unicode/unicode-13.0.0 --save-dev
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````
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1. Generate the new output:
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```sh
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npm run build
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```
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1. Verify that tests still pass:
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```sh
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npm test
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```
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1. Send a pull request with the changes, and get it reviewed & merged.
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1. On the `main` branch, bump the emoji-regex version number in `package.json`:
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```sh
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npm version patch -m 'Release v%s'
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```
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Instead of `patch`, use `minor` or `major` [as needed](https://semver.org/).
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Note that this produces a Git commit + tag.
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1. Push the release commit and tag:
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```sh
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git push
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```
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Our CI then automatically publishes the new release to npm.
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## Author
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| [](https://twitter.com/mathias "Follow @mathias on Twitter") |
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| [Mathias Bynens](https://mathiasbynens.be/) |
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## License
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_emoji-regex_ is available under the [MIT](https://mths.be/mit) license.
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