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77 lines
2.3 KiB
77 lines
2.3 KiB
2 years ago
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/*
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* matchdep
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* https://github.com/tkellen/node-matchdep
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*
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* Copyright (c) 2012 Tyler Kellen
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* Licensed under the MIT license.
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*/
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'use strict';
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var micromatch = require('micromatch');
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var findup = require('findup-sync');
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var resolve = require('resolve').sync;
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var stackTrace = require('stack-trace');
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var path = require('path');
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// export object
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var matchdep = module.exports = {};
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// Ensure configuration has the correct properties.
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function loadConfig(config, props) {
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// The calling module's path. Unfortunately, because modules are cached,
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// module.parent is the FIRST calling module parent, not necessarily the
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// current one.
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var callerPath = path.dirname(stackTrace.get(loadConfig)[1].getFileName());
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// If no config defined, resolve to nearest package.json to the calling lib. If not found, throw an error.
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if (config == null) {
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config = findup('package.json', {cwd: callerPath});
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if (config == null) {
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throw new Error('No package.json found.');
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}
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}
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// If filename was specified with no path parts, make the path absolute so
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// that resolve doesn't look in node_module directories for it.
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else if (typeof config === 'string' && !/[\\\/]/.test(config)) {
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config = path.join(callerPath, config);
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}
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// If package is a string, try to require it.
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if (typeof config === 'string') {
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config = require(resolve(config, {basedir: callerPath}));
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}
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// If config is not an object yet, something is amiss.
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if (typeof config !== 'object') {
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throw new Error('Invalid configuration specified.');
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}
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// For all specified props, populate result object.
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var result = {};
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props.forEach(function(prop) {
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result[prop] = config[prop] ? Object.keys(config[prop]) : [];
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});
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return result;
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}
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// What config properties should each method search?
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var methods = {
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filter: ['dependencies'],
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filterDev: ['devDependencies'],
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filterPeer: ['peerDependencies'],
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filterAll: ['dependencies', 'devDependencies', 'peerDependencies'],
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};
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// Dynamically generate methods.
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Object.keys(methods).forEach(function(method) {
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var props = methods[method];
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matchdep[method] = function(pattern, config) {
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config = loadConfig(config, props);
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var search = props.reduce(function(result, prop) {
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return result.concat(config[prop]);
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}, []);
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return micromatch(search, pattern);
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};
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});
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