70 lines
1.6 KiB
JavaScript
70 lines
1.6 KiB
JavaScript
'use strict';
|
|
|
|
var assign = require('object-assign');
|
|
var path = require('path');
|
|
var mkdirp = require('mkdirp');
|
|
var fs = require('graceful-fs');
|
|
|
|
function booleanOrFunc(v, file) {
|
|
if (typeof v !== 'boolean' && typeof v !== 'function') {
|
|
return null;
|
|
}
|
|
|
|
return typeof v === 'boolean' ? v : v(file);
|
|
}
|
|
|
|
function stringOrFunc(v, file) {
|
|
if (typeof v !== 'string' && typeof v !== 'function') {
|
|
return null;
|
|
}
|
|
|
|
return typeof v === 'string' ? v : v(file);
|
|
}
|
|
|
|
function prepareWrite(outFolder, file, opt, cb) {
|
|
var options = assign({
|
|
cwd: process.cwd(),
|
|
mode: (file.stat ? file.stat.mode : null),
|
|
dirMode: null,
|
|
overwrite: true,
|
|
}, opt);
|
|
var overwrite = booleanOrFunc(options.overwrite, file);
|
|
options.flag = (overwrite ? 'w' : 'wx');
|
|
|
|
var cwd = path.resolve(options.cwd);
|
|
var outFolderPath = stringOrFunc(outFolder, file);
|
|
if (!outFolderPath) {
|
|
throw new Error('Invalid output folder');
|
|
}
|
|
var basePath = options.base ?
|
|
stringOrFunc(options.base, file) : path.resolve(cwd, outFolderPath);
|
|
if (!basePath) {
|
|
throw new Error('Invalid base option');
|
|
}
|
|
|
|
var writePath = path.resolve(basePath, file.relative);
|
|
var writeFolder = path.dirname(writePath);
|
|
|
|
// Wire up new properties
|
|
file.stat = (file.stat || new fs.Stats());
|
|
file.stat.mode = options.mode;
|
|
file.flag = options.flag;
|
|
file.cwd = cwd;
|
|
file.base = basePath;
|
|
file.path = writePath;
|
|
|
|
// Mkdirp the folder the file is going in
|
|
var mkdirpOpts = {
|
|
mode: options.dirMode,
|
|
fs: fs,
|
|
};
|
|
mkdirp(writeFolder, mkdirpOpts, function(err) {
|
|
if (err) {
|
|
return cb(err);
|
|
}
|
|
cb(null, writePath);
|
|
});
|
|
}
|
|
|
|
module.exports = prepareWrite;
|