69 lines
1.6 KiB
JavaScript
69 lines
1.6 KiB
JavaScript
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'use strict';
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// Original repository: https://github.com/defunctzombie/node-lsmod/
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//
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// [2018-02-09] @kamilogorek - Handle scoped packages structure
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// builtin
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var fs = require('fs');
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var path = require('path');
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// node 0.6 support
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fs.existsSync = fs.existsSync || path.existsSync;
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// mainPaths are the paths where our mainprog will be able to load from
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// we store these to avoid grabbing the modules that were loaded as a result
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// of a dependency module loading its dependencies, we only care about deps our
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// mainprog loads
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var mainPaths = (require.main && require.main.paths) || [];
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module.exports = function() {
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var paths = Object.keys(require.cache || []);
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// module information
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var infos = {};
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// paths we have already inspected to avoid traversing again
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var seen = {};
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paths.forEach(function(p) {
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/* eslint-disable consistent-return */
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var dir = p;
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(function updir() {
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var orig = dir;
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dir = path.dirname(orig);
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if (/@[^/]+$/.test(dir)) {
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dir = path.dirname(dir);
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}
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if (!dir || orig === dir || seen[orig]) {
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return;
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} else if (mainPaths.indexOf(dir) < 0) {
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return updir();
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}
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var pkgfile = path.join(orig, 'package.json');
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var exists = fs.existsSync(pkgfile);
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seen[orig] = true;
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// travel up the tree if no package.json here
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if (!exists) {
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return updir();
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}
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try {
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var info = JSON.parse(fs.readFileSync(pkgfile, 'utf8'));
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infos[info.name] = info.version;
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} catch (e) {}
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})();
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/* eslint-enable consistent-return */
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});
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return infos;
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};
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