50 lines
977 B
JavaScript
50 lines
977 B
JavaScript
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var fs = require('fs');
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var path = require('path');
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var mkdirp = require('mkdirp');
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var vfs = require('vinyl-fs');
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var es = require('event-stream');
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var queue = require('queue');
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function createSymlink(dest, symlink, cb) {
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mkdirp(path.dirname(dest), function (err) {
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if (err) { return cb(err); }
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fs.symlink(symlink, dest, cb);
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});
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}
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module.exports = function (out) {
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var pass = es.through();
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var symlinks = [];
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return es.duplex(pass,
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pass.pipe(es.mapSync(function (f) {
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if (!f.symlink) {
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return f;
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}
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symlinks.push(f);
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}))
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.pipe(vfs.dest(out))
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.pipe(es.through(null, function () {
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var q = queue();
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q.concurrency = 1;
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q.timeout = 1000;
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var that = this;
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symlinks.forEach(function (f) {
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q.push(function (cb) {
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createSymlink(path.join(out, f.relative), f.symlink, cb);
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});
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});
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q.start(function (err) {
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if (err) {
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that.emit('error', err);
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} else {
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that.emit('end');
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}
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});
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}))
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);
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};
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