Import babel-plugin-transform-unicode-property-regex (#6499)
* Import babel-plugin-transform-unicode-property-regex Original: https://github.com/mathiasbynens/babel-plugin-transform-unicode-property-regex Moving it into the official Babel repository makes it easier to maintain the transform. * Update package.json * Update README.md * fixup * fixup 2
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Mathias Bynens
Justin Ridgewell
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"@babel/plugin-transform-object-rest-spread": "7.0.0-beta.3",
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"@babel/plugin-transform-optional-catch-binding": "7.0.0-beta.3",
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"@babel/plugin-transform-regenerator": "7.0.0-beta.3",
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"babel-plugin-transform-unicode-property-regex": "^2.0.5",
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"@babel/plugin-transform-unicode-property-regex": "7.0.0-beta.3",
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"browserslist": "^2.4.0",
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"invariant": "^2.2.2",
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"semver": "^5.3.0"
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@ -33,5 +33,5 @@ export default {
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"transform-object-rest-spread": require("@babel/plugin-transform-object-rest-spread"),
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"transform-optional-catch-binding": require("@babel/plugin-transform-optional-catch-binding"),
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"transform-regenerator": require("@babel/plugin-transform-regenerator"),
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"transform-unicode-property-regex": require("babel-plugin-transform-unicode-property-regex"),
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"transform-unicode-property-regex": require("@babel/plugin-transform-unicode-property-regex"),
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};
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# @babel/plugin-transform-unicode-property-regex
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Compile [Unicode property escapes](https://github.com/mathiasbynens/regexpu-core/blob/master/property-escapes.md) (`\p{…}` and `\P{…}`) in Unicode regular expressions to ES5 or ES6 that works in today’s environments.
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**Note:** the Unicode property escape syntax is non-standard and may or may not reflect what eventually gets specified.
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[Here’s an online demo.](https://mothereff.in/regexpu#input=var+regex+%3D+/%5Cp%7BScript_Extensions%3DGreek%7D/u%3B&unicodePropertyEscape=1)
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## Installation
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```sh
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$ npm install @babel/plugin-transform-unicode-property-regex
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```
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## Usage
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### Via `.babelrc` (recommended)
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`.babelrc`
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```json
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{
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"plugins": ["transform-unicode-property-regex"]
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}
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```
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### Via CLI
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```sh
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$ babel --plugins transform-unicode-property-regex script.js
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```
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### Via Node.js API
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```js
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require('@babel/core').transform(code, {
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'plugins': ['transform-unicode-property-regex']
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});
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```
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To transpile to ES6/ES2015:
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```js
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require('@babel/core').transform(code, {
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'plugins': [
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['transform-unicode-property-regex', { 'useUnicodeFlag': true }]
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]
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});
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```
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## Author
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| [](https://twitter.com/mathias "Follow @mathias on Twitter") |
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|---|
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| [Mathias Bynens](https://mathiasbynens.be/) |
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{
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"name": "@babel/plugin-transform-unicode-property-regex",
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"version": "7.0.0-beta.3",
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"description": "Compile Unicode property escapes in Unicode regular expressions to ES5.",
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"homepage": "https://babeljs.io/",
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"main": "lib/index.js",
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"engines": {
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"node": ">=4"
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},
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"keywords": [
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"babel-plugin",
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"regex",
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"regexp",
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"regular expressions",
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"unicode properties",
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"unicode"
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],
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"repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-unicode-property-regex",
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"bugs": "https://github.com/babel/babel/issues",
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"dependencies": {
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"@babel/helper-regex": "7.0.0-beta.3",
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"regexpu-core": "^4.1.3"
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},
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"devDependencies": {
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"@babel/helper-plugin-test-runner": "7.0.0-beta.3"
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}
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}
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import rewritePattern from "regexpu-core";
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import * as regex from "babel-helper-regex";
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export default function() {
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return {
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visitor: {
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RegExpLiteral(path, state) {
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const node = path.node;
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if (!regex.is(node, "u")) {
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return;
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}
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const useUnicodeFlag = state.opts.useUnicodeFlag || false;
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node.pattern = rewritePattern(node.pattern, node.flags, {
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unicodePropertyEscape: true,
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useUnicodeFlag: useUnicodeFlag,
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});
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if (!useUnicodeFlag) {
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regex.pullFlag(node, "u");
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}
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},
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},
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};
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}
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var regexEmojiModifier = /\p{Emoji_Modifier}/u;
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var regexEmojiComponent = /\p{Emoji_Component}/u;
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var regexEmojiModifier = /[\u{1F3FB}-\u{1F3FF}]/u;
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var regexEmojiComponent = /[#\*0-9\u200D\u20E3\uFE0F\u{1F1E6}-\u{1F1FF}\u{1F3FB}-\u{1F3FF}\u{E0020}-\u{E007F}]/u;
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{
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"plugins": [
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["transform-unicode-property-regex", {
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"useUnicodeFlag": true
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}]
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]
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}
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var regex = /\p{Script_Extensions=Anatolian_Hieroglyphs}/u;
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var regex = /[\u{14400}-\u{14646}]/u;
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var regex = /\p{ASCII_Hex_Digit}/u;
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var regex = /[0-9A-Fa-f]/u;
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var regex = /\p{Regional_Indicator}/u;
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var regex = /[\u{1F1E6}-\u{1F1FF}]/u;
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var regexEmojiModifier = /\p{Emoji_Modifier}/u;
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var regexEmojiComponent = /\p{Emoji_Component}/u;
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var regexEmojiModifier = /(?:\uD83C[\uDFFB-\uDFFF])/;
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var regexEmojiComponent = /(?:[#\*0-9\u200D\u20E3\uFE0F]|\uD83C[\uDDE6-\uDDFF\uDFFB-\uDFFF]|\uDB40[\uDC20-\uDC7F])/;
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{
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"plugins": [
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["transform-unicode-property-regex"]
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]
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}
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var regex = /\p{Script_Extensions=Anatolian_Hieroglyphs}/u;
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var regex = /(?:\uD811[\uDC00-\uDE46])/;
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@ -0,0 +1 @@
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var regex = /\p{ASCII_Hex_Digit}/u;
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@ -0,0 +1 @@
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var regex = /[0-9A-Fa-f]/;
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@ -0,0 +1 @@
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var regex = /\p{Regional_Indicator}/u;
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@ -0,0 +1 @@
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var regex = /(?:\uD83C[\uDDE6-\uDDFF])/;
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import runner from "@babel/helper-plugin-test-runner";
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runner(__dirname);
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"@babel/plugin-transform-class-properties": "7.0.0-beta.3",
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"@babel/plugin-transform-object-rest-spread": "7.0.0-beta.3",
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"@babel/plugin-transform-optional-catch-binding": "7.0.0-beta.3",
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"babel-plugin-transform-unicode-property-regex": "^2.0.5"
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"@babel/plugin-transform-unicode-property-regex": "7.0.0-beta.3"
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}
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}
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@ -3,7 +3,7 @@ import transformAsyncGeneratorFunctions from "@babel/plugin-transform-async-gene
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import transformClassProperties from "@babel/plugin-transform-class-properties";
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import transformObjectRestSpread from "@babel/plugin-transform-object-rest-spread";
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import transformOptionalCatchBinding from "@babel/plugin-transform-optional-catch-binding";
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import transformUnicodePropertyRegex from "babel-plugin-transform-unicode-property-regex";
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import transformUnicodePropertyRegex from "@babel/plugin-transform-unicode-property-regex";
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export default function() {
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return {
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@ -78,7 +78,7 @@
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"@babel/plugin-transform-regenerator": "7.0.0-beta.3",
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"@babel/plugin-transform-runtime": "7.0.0-beta.3",
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"@babel/plugin-transform-strict-mode": "7.0.0-beta.3",
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"babel-plugin-transform-unicode-property-regex": "^2.0.5",
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"@babel/plugin-transform-unicode-property-regex": "7.0.0-beta.3",
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"@babel/preset-es2015": "7.0.0-beta.3",
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"@babel/preset-es2016": "7.0.0-beta.3",
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"@babel/preset-es2017": "7.0.0-beta.3",
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@ -205,7 +205,7 @@ registerPlugins({
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"transform-regenerator": require("@babel/plugin-transform-regenerator"),
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"transform-runtime": require("@babel/plugin-transform-runtime"),
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"transform-strict-mode": require("@babel/plugin-transform-strict-mode"),
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"transform-unicode-property-regex": require("babel-plugin-transform-unicode-property-regex"),
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"transform-unicode-property-regex": require("@babel/plugin-transform-unicode-property-regex"),
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});
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// All the presets we should bundle
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