forked from zhurui/management
62 lines
1.5 KiB
JavaScript
62 lines
1.5 KiB
JavaScript
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'use strict';
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var defaults = require('defaults');
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var path = require('path');
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var through2 = require('through2');
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var mkdirp = require('mkdirp');
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var fs = require('graceful-fs');
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var writeContents = require('./writeContents');
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function dest(outFolder, opt) {
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opt = opt || {};
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if (typeof outFolder !== 'string' && typeof outFolder !== 'function') {
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throw new Error('Invalid output folder');
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}
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var options = defaults(opt, {
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cwd: process.cwd()
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});
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if (typeof options.mode === 'string') {
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options.mode = parseInt(options.mode, 8);
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}
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var cwd = path.resolve(options.cwd);
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function saveFile (file, enc, cb) {
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var basePath;
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if (typeof outFolder === 'string') {
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basePath = path.resolve(cwd, outFolder);
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}
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if (typeof outFolder === 'function') {
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basePath = path.resolve(cwd, outFolder(file));
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}
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var writePath = path.resolve(basePath, file.relative);
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var writeFolder = path.dirname(writePath);
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// wire up new properties
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file.stat = file.stat ? file.stat : new fs.Stats();
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file.stat.mode = (options.mode || file.stat.mode);
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file.cwd = cwd;
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file.base = basePath;
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file.path = writePath;
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// mkdirp the folder the file is going in
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mkdirp(writeFolder, function(err){
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if (err) {
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return cb(err);
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}
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writeContents(writePath, file, cb);
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});
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}
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var stream = through2.obj(saveFile);
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// TODO: option for either backpressure or lossy
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stream.resume();
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return stream;
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}
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module.exports = dest;
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