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build.utils.js
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build.utils.js
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const fs = require('fs');
const path = require('path');
const child = require('child_process');
/**
* removeDirSync [remove dir sync vertion]
* @author nojsja
* @param {[String]} _path [path to a directory]
*/
exports.removeDirSync = function(_path) {
if( fs.existsSync(_path) ) {
fs.readdirSync(_path).forEach(function(file,index){
const curPath = _path + "/" + file;
if(fs.statSync(curPath).isDirectory()) { // recurse
exports.removeDirSync(curPath);
} else { // delete file
fs.unlinkSync(curPath);
}
});
fs.rmdirSync(_path);
}
};
/*
* 复制目录、子目录,及其中的文件
* @param src {String} 要复制的目录
* @param dist {String} 复制到目标目录
*/
exports.copyDirSync = (src, dist) => {
console.log(` copy dir: ${src} -> ${dist}`);
const _copy = (src, dist) => {
const paths = fs.readdirSync(src)
paths.forEach((p) => {
let _src = src + '/' +p;
let _dist = dist + '/' +p;
let stat = fs.statSync(_src)
if(stat.isFile()) {// 判断是文件还是目录
fs.writeFileSync(_dist, fs.readFileSync(_src));
} else if(stat.isDirectory()) {
exports.copyDirSync(_src, _dist)// 当是目录是,递归复制
}
});
}
const b = fs.existsSync(dist)
if(!b){
fs.mkdirSync(dist);//创建目录
}
_copy(src, dist);
}
/**
* [exec 执行一个命令,阻塞输出信息到控制台]
* @param { [String] } command [命令]
* @param { [Array | String] } params [参数数组]
* @param { [Object] } options [exec可定制的参数]
* @return { Promise } [返回Promise对象]
*/
exports.exec = (_command, _params=[], _options={}) => {
const params = Array.isArray(_params) ? _params.join(' ') : '';
const options = (String(_params) === '[object Object]') ? _params : (_options);
const command = `${_command} ${params}`;
console.log(params, options, command);
return new Promise((resolve, reject) => {
child.exec(command, options, (_err, _stdout, _stderr) => {
if (_err) {
exports.console_log(_err, 'red');
resolve({code: 1, result: _err});
} else if (_stderr && _stderr.toString()) {
exports.console_log(_stderr, 'red');
resolve({code: 1, result: _stderr});
} else {
console.log(_stdout);
resolve({code: 0, result: _stdout});
}
});
});
}
/**
* [execRealtime 执行一个命令,实时输出信息到控制台]
* @param { [String] } command [命令]
* @param { [Array | String] } params [参数数组]
* @param { [Object] } options [exec可定制的参数]
* @return { Promise } [返回Promise对象]
*/
exports.execRealtime = (_command, _params=[], _options={}) => {
const params = Array.isArray(_params) ? _params.join(' ') : '';
const options = (String(_params) === '[object Object]') ? _params : (_options);
const command = `${_command} ${params}`;
let data = '', error = '';
console.log(params, options, command);
return new Promise((resolve, reject) => {
const result = child.exec(command, options);
result.stdout.on('data', (data) => {
exports.console_log(data, 'white');
data += `${data}`;
});
result.stderr.on('data', (data) => {
exports.console_log(data, 'red');
error += `${data}`;
});
result.on('close', (code) => {
resolve({code, result: data, error});
});
});
}
/**
* [console_log 格式化颜色console.log]
* @param { [String] } info [输出的字符串]
* @param { [String] } _color [字体颜色-black | red | green(default) | yellow | blue | purple | heavyGree | white]
* @param { [Object] } _bgcolor [背景颜色-black(default) | red | green | yellow | blue | purple | heavyGree | white]
*/
exports.console_log = (function() {
const colorMap = {
black:30,
red: 31,
green: 32,
yellow: 33,
blue: 34,
purple: 35,
heavyGree: 36,
white: 37,
}
return (info, _color='green', _bgcolor='black') => {
const color = colorMap[_color];
const bgcolor = colorMap[_bgcolor] + 10;
const colorFormat = color && bgcolor ? `${bgcolor};${color}m` : '\033[0m';
console.log('\033[' + `${colorFormat}${info}` + '\033[0m') ;
}
})();