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| var Promise = require('es6-promise').Promise;
var del = require('del');
var fs = require("fs-extra");
var path = require('path');
var ncp = require('ncp').ncp;
var gs = require('glob-stream');
var log = require('./log');
var File = require('./file');
var mkdirpSync = function (dirpath) {
if (!dirpath) return log.warn('no directory to make');
var parts = dirpath.replace(process.cwd(),'').split(path.sep);
for( var i = 1; i <= parts.length; i++ ) {
try {
fs.mkdirSync( path.join.apply(null, parts.slice(0, i)) );
} catch(e) {
if ( e.code != 'EEXIST' ) throw e;
}
}
};
function mkdir(dir){
mkdirpSync(dir);
return new Promise(function(resolve, reject) {
resolve();
});
}
function writeFile(fileObj){
var string = (Buffer.isBuffer(fileObj.contents)) ? fileObj.contents.toString('utf-8') : fileObj.contents;
return mkdir(fileObj.dir).then(function(){
// //todo: move mkdir to write so it fires less?
return new Promise(function(resolve, reject){
fs.writeFile(path.join(fileObj.dir,fileObj.name), string, function(err, written, buffer){
err && reject(err);
!err && resolve(fileObj);
});
});
});
}
function write(src){
if (!Array.isArray(src)) return writeFile(src);
var promises = [];
src.forEach(function (fileObj, i) {
promises.push(writeFile(fileObj));
});
return Promise.all(promises);
}
function stat(filePath){
return new Promise(function(resolve, reject){
fs.stat(filePath, function(err, data){
err && reject(err);
!err && resolve(data);
});
});
}
function readPromise(fileObj){
return new Promise(function(resolve, reject){
fs.readFile(fileObj.path, function(err, data){
err && reject(err);
!err && resolve(data);
});
});
}
function readFile(fileObj){
return Promise.all([stat(fileObj.path), readPromise(fileObj)]).then(function(outputs){
fileObj.stat = outputs[0];
fileObj.contents = outputs[1];
return fileObj;
});
}
function read(src){
return glob(src).then(function(files) {
var promises = [];
files.forEach(function(fileObj) {
promises.push(readFile(fileObj));
});
return Promise.all(promises);
}, log.onError);
}
function replaceInFile(fileObj, replacements){
return readFile(fileObj).then(function(fileObj){
fileObj.contents = fileObj.contents.toString('utf-8');
replacements.forEach(function(replace){
fileObj.contents = fileObj.contents.replace(replace.replace, replace.with);
});
return write(fileObj);
}, log.onError);
}
function replace(src, replacement){
return glob(src).then(function(files) {
var promises = [];
files.forEach(function (fileObj) {
promises.push(replaceInFile(fileObj, replacement));
});
return Promise.all(promises);
}, log.onError);
}
function copyFile(fileObj, dest){
return mkdir(dest).then(function(){
return new Promise(function(resolve, reject){
fs.copy(fileObj.path, dest + '/' + fileObj.name, function(err){
err && reject(err);
// wait for copy to stop messing with the file :(
// todo: start polling stat.size
!err && setTimeout(resolve,100);
});
});
}, log.onError);
}
function copy(srcGlob, destinationDirectory){
return glob(srcGlob).then(function(files){
var promises = [];
files.forEach(function(fileObj) {
promises.push(copyFile(fileObj, destinationDirectory));
});
return Promise.all(promises);
}, log.onError);
}
function glob(globArray){
var stream = gs.create(globArray, { allowEmpty: true });
return new Promise(function(resolve, reject){
var files = [];
stream.on('data', function(fileObj){
files.push(new File(fileObj));
});
stream.on('end', function(err){
err && reject(err);
!err && resolve(files);
});
});
}
function copyDirectory(src, dest, transform){
return new Promise(function(resolve, reject){
ncp(src, dest, { stopOnErr: true, transform: transform },
function(err){
err && reject(err);
// wait for copy to stop messing with the file :(
// todo: start polling stat.size
!err && setTimeout(resolve,100);
}
);
});
}
function renameFile(fileObj, replace, withThis){
return new Promise(function(resolve, reject){
var name = fileObj.name.replace(replace, withThis);
var file = new File({path: path.join(fileObj.dir, name)});
fs.rename(fileObj.path, file.path, function(err){
err && reject(err);
!err && resolve(file);
});
});
}
function rename(src, replace, withThis){
return glob(src).then(function(files) {
var promises = [];
files.forEach(function (fileObj, i) {
promises.push(renameFile(fileObj,replace, withThis));
});
return Promise.all(promises);
});
}
function clean(globby){
return new Promise(function(resolve, reject){
return del(globby, function (err, delPath){
err && reject(err);
!err && setTimeout(function(){resolve(delPath);},50);
});
});
}
function createWriteStream(path, options){
var file = new File({path:path});
mkdirpSync(file.dir);
return fs.createWriteStream(path, options);
}
module.exports = {
mkdir: mkdir,
read: read,
write: write,
del: clean,
copy: copy,
rename: rename,
copyDirectory: copyDirectory,
replace: replace,
glob: glob,
readFileSync: fs.readFileSync,
existsSync: fs.existsSync,
createWriteStream: createWriteStream
}; |