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| 1 | +// (C) Copyright 2015 Moodle Pty Ltd. |
| 2 | +// |
| 3 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +// you may not use this file except in compliance with the License. |
| 5 | +// You may obtain a copy of the License at |
| 6 | +// |
| 7 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +// |
| 9 | +// Unless required by applicable law or agreed to in writing, software |
| 10 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +// See the License for the specific language governing permissions and |
| 13 | +// limitations under the License. |
| 14 | + |
| 15 | +const { readFileSync, writeFile } = require('fs'); |
| 16 | + |
| 17 | +/** |
| 18 | + * Freeze all dependencies versions in package.json using the version declared in package-lock. |
| 19 | + */ |
| 20 | +class FreezeDependenciesTask { |
| 21 | + |
| 22 | + /** |
| 23 | + * Run the task. |
| 24 | + * |
| 25 | + * @param done Function to call when done. |
| 26 | + */ |
| 27 | + run(done) { |
| 28 | + const packageData = JSON.parse(readFileSync('package.json')); |
| 29 | + const packageLockData = JSON.parse(readFileSync('package-lock.json')); |
| 30 | + |
| 31 | + this.freezeDependencies(packageLockData, packageData.dependencies); |
| 32 | + this.freezeDependencies(packageLockData, packageData.devDependencies); |
| 33 | + |
| 34 | + writeFile('package.json', JSON.stringify(packageData, null, 4), done); |
| 35 | + } |
| 36 | + |
| 37 | + /** |
| 38 | + * Get the version declared in package-lock for a certain dependency. |
| 39 | + * |
| 40 | + * @param packageLockData Package-lock data. |
| 41 | + * @param name Name of the dependency. |
| 42 | + */ |
| 43 | + getDependencyVersion(packageLockData, name) { |
| 44 | + const dependency = packageLockData.packages['node_modules/' + name]; |
| 45 | + if (!dependency) { |
| 46 | + console.error('Dependency not found in package-lock: ' + name); |
| 47 | + return; |
| 48 | + } |
| 49 | + if (!dependency.version) { |
| 50 | + console.error('Dependency found but version is empty in package-lock: ' + name); |
| 51 | + return; |
| 52 | + } |
| 53 | + |
| 54 | + return dependency.version; |
| 55 | + } |
| 56 | + |
| 57 | + /** |
| 58 | + * Freeze versions of dependencies. |
| 59 | + * |
| 60 | + * @param packageLockData Package-lock data. |
| 61 | + * @param dependencies Object with the dependencies to freeze. |
| 62 | + */ |
| 63 | + freezeDependencies(packageLockData, dependencies) { |
| 64 | + for (const name in dependencies) { |
| 65 | + if (dependencies[name].match(/^[0-9A-Za-z]/)) { |
| 66 | + // Already fixed, don't change it; |
| 67 | + continue; |
| 68 | + } |
| 69 | + |
| 70 | + const version = this.getDependencyVersion(packageLockData, name); |
| 71 | + if (version) { |
| 72 | + dependencies[name] = version; |
| 73 | + } |
| 74 | + } |
| 75 | + } |
| 76 | +} |
| 77 | + |
| 78 | +module.exports = FreezeDependenciesTask; |
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