52 lines
1.4 KiB
JavaScript
52 lines
1.4 KiB
JavaScript
'use strict';
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var path = require('path');
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var fs = require('graceful-fs');
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var Vinyl = require('vinyl');
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var through = require('through2');
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function prepareSymlink(folderResolver, optResolver) {
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if (!folderResolver) {
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throw new Error('Invalid output folder');
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}
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function normalize(file, enc, cb) {
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if (!Vinyl.isVinyl(file)) {
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return cb(new Error('Received a non-Vinyl object in `symlink()`'));
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}
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// TODO: Remove this after people upgrade vinyl/transition from gulp-util
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if (typeof file.isSymbolic !== 'function') {
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file = new Vinyl(file);
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}
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var cwd = path.resolve(optResolver.resolve('cwd', file));
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var outFolderPath = folderResolver.resolve('outFolder', file);
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if (!outFolderPath) {
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return cb(new Error('Invalid output folder'));
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}
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var basePath = path.resolve(cwd, outFolderPath);
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var writePath = path.resolve(basePath, file.relative);
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// Wire up new properties
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// Note: keep the target stats for now, we may need them in link-file
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file.stat = (file.stat || new fs.Stats());
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file.cwd = cwd;
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file.base = basePath;
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// This is the path we are linking *TO*
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file.symlink = file.path;
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file.path = writePath;
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// We have to set contents to null for a link
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// Otherwise `isSymbolic()` returns false
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file.contents = null;
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cb(null, file);
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}
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return through.obj(normalize);
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}
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module.exports = prepareSymlink;
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