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Andrew ClarkandGitHub
9cdf8a99ed
* Facebook -> Meta in copyright rg --files | xargs sed -i 's#Copyright (c) Facebook, Inc. and its affiliates.#Copyright (c) Meta Platforms, Inc. and affiliates.#g' * Manual tweaks
30 lines
920 B
JavaScript
30 lines
920 B
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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'use strict';
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module.exports = function stripUnusedImports(pureExternalModules) {
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return {
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name: 'scripts/rollup/plugins/strip-unused-imports',
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renderChunk(code) {
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pureExternalModules.forEach(module => {
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// Ideally this would use a negative lookbehind: (?<!= *)
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// But this isn't supported by the Node <= 8.9.
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// So instead we try to handle the most common cases:
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// 1. foo,bar=require("bar"),baz
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// 2. foo;bar = require('bar');baz
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// 3. require('bar');
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const regExp = new RegExp(
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`([,;]| {2})require\\(["']${module}["']\\)[,;]`,
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'g'
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);
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code = code.replace(regExp, '$1');
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});
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return {code};
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},
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};
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};
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