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| 1 | +'use strict'; |
| 2 | + |
| 3 | +var fs = require('graceful-fs'); |
| 4 | +var path = require('path'); |
| 5 | +var glob = require('lazy-globby'); |
| 6 | +var extend = require('extend-shallow'); |
| 7 | +var each = require('async-each'); |
| 8 | +var mkdir = require('mkdirp'); |
| 9 | +var lookup = require('./lookup'); |
| 10 | + |
| 11 | +module.exports = copy; |
| 12 | + |
| 13 | +function copy(patterns, dest, options, cb) { |
| 14 | + if (typeof options === 'function') { |
| 15 | + cb = options; |
| 16 | + options = {}; |
| 17 | + } |
| 18 | + |
| 19 | + var opts = defaults(options); |
| 20 | + |
| 21 | + glob()(patterns, opts, function (err, files) { |
| 22 | + each(files, function (fp, next) { |
| 23 | + fp = path.resolve(opts.cwd, fp); |
| 24 | + |
| 25 | + copy.one(fp, dest, opts, next); |
| 26 | + }, cb); |
| 27 | + }); |
| 28 | +} |
| 29 | + |
| 30 | +copy.sync = function copySync(patterns, dest, options) { |
| 31 | + var opts = defaults(options); |
| 32 | + |
| 33 | + glob().sync(patterns, opts).forEach(function (fp) { |
| 34 | + try { |
| 35 | + copy.oneSync(fp, dest, opts); |
| 36 | + } catch (err) { |
| 37 | + throw new Error(err); |
| 38 | + } |
| 39 | + }); |
| 40 | +}; |
| 41 | + |
| 42 | +copy.dir = function(dirname, dest, options, cb) { |
| 43 | + if (typeof options === 'function') { |
| 44 | + cb = options; |
| 45 | + options = {}; |
| 46 | + } |
| 47 | + |
| 48 | + var opts = defaults(options); |
| 49 | + |
| 50 | + lookup(dirname, function (err, files) { |
| 51 | + each(files, function (fp, next) { |
| 52 | + fp = path.resolve(opts.cwd, fp); |
| 53 | + |
| 54 | + copy.one(fp, dest, opts, next); |
| 55 | + }, cb); |
| 56 | + }); |
| 57 | +}; |
| 58 | + |
| 59 | +copy.dirSync = function dirSync(dirname, dest, options) { |
| 60 | + var opts = defaults(options); |
| 61 | + lookup.sync(dirname).forEach(function (fp) { |
| 62 | + copy.oneSync(fp, dest, opts); |
| 63 | + }); |
| 64 | +}; |
| 65 | + |
| 66 | +copy.one = function copyOne(fp, dest, options, cb) { |
| 67 | + if (typeof options === 'function') { |
| 68 | + cb = options; |
| 69 | + options = {}; |
| 70 | + } |
| 71 | + |
| 72 | + var opts = defaults(options); |
| 73 | + |
| 74 | + mkdir(dest, opts, function (err) { |
| 75 | + if (err) return cb(err); |
| 76 | + |
| 77 | + try { |
| 78 | + fp = path.resolve(opts.cwd, fp); |
| 79 | + var res = opts.rename(fp, dest); |
| 80 | + copyBase(fp, res); |
| 81 | + return cb(); |
| 82 | + } catch(err) { |
| 83 | + return cb(err); |
| 84 | + } |
| 85 | + }); |
| 86 | +}; |
| 87 | + |
| 88 | +copy.oneSync = function copyOneSync(fp, dest, options) { |
| 89 | + var opts = defaults(options); |
| 90 | + try { |
| 91 | + fp = path.resolve(opts.cwd, fp); |
| 92 | + mkdir.sync(dest, opts); |
| 93 | + var res = opts.rename(fp, dest); |
| 94 | + copyBase(fp, res); |
| 95 | + } catch (err) { |
| 96 | + throw new Error(err); |
| 97 | + } |
| 98 | +}; |
| 99 | + |
| 100 | +function rename(fp, dest) { |
| 101 | + return path.resolve(dest, path.basename(fp)); |
| 102 | +} |
| 103 | + |
| 104 | +function copyBase(src, dest) { |
| 105 | + fs.createReadStream(src).pipe(fs.createWriteStream(dest)); |
| 106 | +} |
| 107 | + |
| 108 | +function defaults(options) { |
| 109 | + return extend({cwd: process.cwd(), rename: rename}, options); |
| 110 | +} |
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