8ffca0475a
* feat: implement create-regexp-features-plugin * fix: test input is not effective * refactor: leverage create-regexp-features-plugin * test: add more test cases * test: update test fixture * chore: add type annotation to features * test: add regression test for issue 9892 * add regression test for issue 9199 * address review comments from Nicolò * address review comments from Brian * small tweaks * Enable dotAllFlag when flags includes u
28 lines
862 B
JavaScript
28 lines
862 B
JavaScript
// @flow
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export const FEATURES = Object.freeze({
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unicodeFlag: 1 << 0,
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dotAllFlag: 1 << 1,
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unicodePropertyEscape: 1 << 2,
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namedCaptureGroups: 1 << 3,
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});
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// We can't use a symbol because this needs to always be the same, even if
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// this package isn't deduped by npm. e.g.
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// - node_modules/
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// - @babel/plugin-regexp-features
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// - @babel/plugin-proposal-unicode-property-regex
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// - node_modules
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// - @babel-plugin-regexp-features
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export const featuresKey = "@babel/plugin-regexp-features/featuresKey";
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export const runtimeKey = "@babel/plugin-regexp-features/runtimeKey";
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type FeatureType = $Values<typeof FEATURES>;
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export function enableFeature(features: number, feature: FeatureType): number {
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return features | feature;
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}
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export function hasFeature(features: number, feature: FeatureType) {
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return !!(features & feature);
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}
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