7140c9cc34
This is done a in bit kludgy way on purpose so that it works on Windows and CI. Works around npm/npm#8452. Closes #2038
51 lines
1.4 KiB
JavaScript
Executable File
51 lines
1.4 KiB
JavaScript
Executable File
"use strict";
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var fs = require('fs');
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var path = require('path');
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var NPM_SHRINKWRAP_FILE = 'npm-shrinkwrap.json';
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var NPM_SHRINKWRAP_CACHED_FILE = 'node_modules/npm-shrinkwrap.cached.json';
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var FS_OPTS = {encoding: 'utf-8'};
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var PROJECT_ROOT = path.join(__dirname, '../../');
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function checkNodeModules(logOutput, purgeIfStale) {
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var nodeModulesOK = _checkCache(NPM_SHRINKWRAP_FILE, NPM_SHRINKWRAP_CACHED_FILE);
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if (nodeModulesOK) {
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if (logOutput) console.log(':-) npm dependencies are looking good!');
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} else {
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if (logOutput) console.error(':-( npm dependencies are stale or in an in unknown state!');
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if (purgeIfStale) {
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if (logOutput) console.log(' purging...');
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var nodeModulesPath = path.join(PROJECT_ROOT, 'node_modules');
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if (fs.existsSync(nodeModulesPath)) {
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// lazy-load fs-extra
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var fse = require('fs-extra');
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fse.removeSync(nodeModulesPath);
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}
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}
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}
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return nodeModulesOK;
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}
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function _checkCache(markerFile, cacheMarkerFile) {
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var absoluteMarkerFilePath = path.join(PROJECT_ROOT, markerFile);
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var absoluteCacheMarkerFilePath = path.join(PROJECT_ROOT, cacheMarkerFile);
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if (!fs.existsSync(absoluteCacheMarkerFilePath)) return false;
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var markerContent = fs.readFileSync(absoluteMarkerFilePath, FS_OPTS);
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var cacheMarkerContent = fs.readFileSync(absoluteCacheMarkerFilePath, FS_OPTS);
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return markerContent == cacheMarkerContent;
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}
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module.exports = checkNodeModules;
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