| 1 | /**
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| 2 | * Copyright (c) 2015-present, Facebook, Inc.
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| 3 | *
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| 4 | * This source code is licensed under the MIT license found in the
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| 5 | * LICENSE file in the root directory of this source tree.
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| 6 | */
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| 7 |
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| 8 | // This webpack plugin ensures `npm install <library>` forces a project rebuild.
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| 9 | // We’re not sure why this isn't webpack's default behavior.
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| 10 | // See https://github.com/facebook/create-react-app/issues/186.
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| 11 |
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| 12 | ;
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| 13 |
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| 14 | class WatchMissingNodeModulesPlugin {
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| 15 | constructor(nodeModulesPath) {
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| 16 | this.nodeModulesPath = nodeModulesPath;
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| 17 | }
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| 18 |
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| 19 | apply(compiler) {
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| 20 | compiler.hooks.emit.tap('WatchMissingNodeModulesPlugin', compilation => {
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| 21 | var missingDeps = Array.from(compilation.missingDependencies);
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| 22 | var nodeModulesPath = this.nodeModulesPath;
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| 23 |
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| 24 | // If any missing files are expected to appear in node_modules...
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| 25 | if (missingDeps.some(file => file.includes(nodeModulesPath))) {
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| 26 | // ...tell webpack to watch node_modules recursively until they appear.
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| 27 | compilation.contextDependencies.add(nodeModulesPath);
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| 28 | }
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| 29 | });
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| 30 | }
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| 31 | }
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| 32 |
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| 33 | module.exports = WatchMissingNodeModulesPlugin;
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