77 lines
2.7 KiB
JavaScript
77 lines
2.7 KiB
JavaScript
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#!/usr/bin/env node
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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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/*
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* Script that updates a dependencies in a specified `package.json` file to be
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* based on the dependencies of the specified base `package.json`. This allows
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* developers to sync dependencies between two `package.json` files without having
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* to manually copy versions all the time.
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*
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* e.g. `/package.json` defines the project dependencies. The `dev-infra/package.json`
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* uses a subset of these dependencies and declares these as dependencies for the shared
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* package. The dependencies should be the same as the one from `/package.json` as those
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* versions are used for testing and development. We don't want mismatching versions.
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*/
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const fs = require('fs');
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const args = process.argv.slice(2);
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const [inputPackageJsonPath, basePackageJsonPath, outputPath] = args;
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const BASE_DEPENDENCY_MARKER = '<from-root>';
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if (!inputPackageJsonPath || !basePackageJsonPath || !outputPath) {
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console.error('Usage: ./inline-package-json-deps.js <input-pkg-json> <base-pkg-json> <out-path>');
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process.exit(1);
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}
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const inputPackageJson = JSON.parse(fs.readFileSync(inputPackageJsonPath, 'utf8'));
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const basePackageJson = JSON.parse(fs.readFileSync(basePackageJsonPath, 'utf8'));
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const result = {...inputPackageJson};
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if (inputPackageJson.dependencies) {
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inlineDependenciesFromBase(inputPackageJson.dependencies);
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}
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if (inputPackageJson.peerDependencies) {
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inlineDependenciesFromBase(inputPackageJson.peerDependencies);
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}
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fs.writeFileSync(outputPath, JSON.stringify(result, null, 2));
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/**
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* Updates dependencies which have their version set to the base marker,
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* to match the version from the base `package.json` file.
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*/
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function inlineDependenciesFromBase(deps) {
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Object.keys(deps).forEach(name => {
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const value = deps[name];
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if (value !== BASE_DEPENDENCY_MARKER) {
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return;
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}
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const linkedVersion = getDependency(basePackageJson, name);
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if (linkedVersion === null) {
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console.error(`Could not find base version for: ${name}`);
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console.error(
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`Either set a version for ${name} in "${basePackageJsonPath}", or use ` +
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`an explicit version in "${inputPackageJson}"`);
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process.exit(1);
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}
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deps[name] = linkedVersion;
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});
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}
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/** Gets the version of the specified package from the given package object. */
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function getDependency(packageJson, name) {
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if (packageJson.dependencies && packageJson.dependencies[name]) {
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return packageJson.dependencies[name];
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}
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if (packageJson.devDependencies && packageJson.devDependencies[name]) {
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return packageJson.devDependencies[name];
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}
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return null;
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}
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