61 lines
1.9 KiB
JavaScript
61 lines
1.9 KiB
JavaScript
#!/usr/bin/env node
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/**
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* Usage:
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* ```sh
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* node sync-boilerplate-dependencies
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* ```
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*
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* Updates the dependency versions of the top-level `package.json` files in each sub-folder of
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* `./boilerplate/` to match the ones in `./package.json`.
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*/
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const fs = require('fs');
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const path = require('path');
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const BOILERPLATE_DIR = `${__dirname}/boilerplate`;
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const SHARED_PACKAGE_JSON_PATH = `${__dirname}/package.json`;
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const sharedPkgJson = loadJsonFile(SHARED_PACKAGE_JSON_PATH);
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const boilerplatePkgJsonPaths = collectPackageJsonFiles(BOILERPLATE_DIR);
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boilerplatePkgJsonPaths.forEach(syncDependencies);
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// Helpers
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function collectPackageJsonFiles(dirPath) {
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return fs.readdirSync(dirPath)
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.map(childName => `${dirPath}/${childName}`)
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.filter(childPath => fs.statSync(childPath).isDirectory())
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.map(subDirPath => `${subDirPath}/package.json`)
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.filter(pkgJsonPath => fs.existsSync(pkgJsonPath));
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}
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function loadJsonFile(filePath) {
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return JSON.parse(fs.readFileSync(filePath, 'utf8'));
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}
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function syncDependencies(boilerplatePkgJsonPath) {
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console.log(`Syncing '${path.relative(__dirname, boilerplatePkgJsonPath)}'...`);
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const boilerplatePkgJson = loadJsonFile(boilerplatePkgJsonPath);
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['dependencies', 'devDependencies', 'peerDependencies']
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.filter(depsProp => boilerplatePkgJson.hasOwnProperty(depsProp))
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.forEach(depsProp => {
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const srcDeps = sharedPkgJson[depsProp];
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const dstDeps = boilerplatePkgJson[depsProp];
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for (const dep of Object.keys(dstDeps)) {
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if (!srcDeps.hasOwnProperty(dep)) {
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throw new Error(
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`Unable to update dependency '${dep}' in '${boilerplatePkgJsonPath} > ${depsProp}'. ` +
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`The dependency is missing from '${SHARED_PACKAGE_JSON_PATH}'.`);
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}
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dstDeps[dep] = srcDeps[dep];
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}
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});
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fs.writeFileSync(boilerplatePkgJsonPath, `${JSON.stringify(boilerplatePkgJson, null, 2)}\n`);
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}
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