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Copy pathinstall.ts
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206 lines (181 loc) Β· 8.03 KB
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const cp = require(`child_process`)
const fs = require(`fs`)
const path = require(`path`)
const EventEmitter = require(`events`)
const events = new EventEmitter()
let moduleCount
/**
* The script installs all the modules listed
* in packages.json and loads the program.
*
* μ΄ μ€ν¬λ¦½νΈλ packages.json μ λͺ
μλ λͺ¨λλ€μ
* λͺ¨λ μ€μΉν ν νλ‘κ·Έλ¨μ λ‘λν©λλ€.
*/
class ModuleInstaller {
/**
* @param {string} event
* @param {function} listener
*/
static on(event, listener) {
events.on(event, listener)
}
/**
* @param {function} startCallback
*/
static callback(startCallback) {
ModuleInstaller.on(ModuleInstaller.START_CALLBACK_EVENT, startCallback)
}
/**
* @description
* Automatically install the node modules.
* @param {boolean} isNeedDefaultProcess
*/
static automatic(isNeedDefaultProcess) {
let sourceFolderPath = path.join(process.argv[1], `../`)
if (isNeedDefaultProcess == true || isNeedDefaultProcess == undefined) {
ModuleInstaller.on(ModuleInstaller.INSTALL_START_EVENT,
(notInstalledModulesList) => {
tempLogger(`New node module updates has detected! (total ${notInstalledModulesList.length})`)
tempLogger(`Application will be started in few seconds later\r\n`)
})
ModuleInstaller.on(ModuleInstaller.MODULE_INSTALL_START_EVENT,
(moduleName) => {
tempLogger(`Downloading module '${moduleName}'...`)
})
ModuleInstaller.on(ModuleInstaller.MODULE_INSTALLED_EVENT,
(body) => {
tempLogger(`Module installed: ${body}`)
})
ModuleInstaller.on(ModuleInstaller.ALL_INSTALLED_EVENT,
() => {
tempLogger(`All modules prepared. application will be started..`)
})
ModuleInstaller.on(ModuleInstaller.MODULE_INSTALL_ERROR_EVENT,
(error) => {
tempLogger(`An error occurred while preparing a base module.`)
tempLogger(`Can not execute the program. The base module was not prepared.`)
tempLogger(error)
process.exit()
})
}
ModuleInstaller.collectPackageList(sourceFolderPath)
}
/**
* @param {string} body
*/
static modulesInstallChecker(body) {
events.emit(ModuleInstaller.MODULE_INSTALLED_EVENT, body)
if (moduleCount != 0)
if (--moduleCount == 0) {
events.emit(ModuleInstaller.ALL_INSTALLED_EVENT)
events.emit(ModuleInstaller.START_CALLBACK_EVENT)
}
}
/**
* @param {string} packageName
* @param {string} sourceFolderPath
* @param {boolean} isNeedToPassVersionCheck
* @return {boolean}
*/
static isModuleExist(packageName, sourceFolderPath, isNeedToPassVersionCheck = undefined) {
let packageList, packageVersion
if (sourceFolderPath === undefined)
sourceFolderPath = path.join(process.argv[1], `../`)
if ((isNeedToPassVersionCheck == false || isNeedToPassVersionCheck === undefined) && sourceFolderPath !== null) {
packageList = require(path.join(sourceFolderPath, `package.json`))
}
let baseCache = {}
for (let key in require.cache) baseCache[key] = true
if ((isNeedToPassVersionCheck == false || isNeedToPassVersionCheck === undefined) && sourceFolderPath !== null) {
if(packageList.dependencies[packageName])
packageVersion = packageList.dependencies[packageName]
if(packageList.devDependencies[packageName])
packageVersion = packageList.devDependencies[packageName]
if(packageVersion != null)
packageVersion = packageVersion.replace(/[&\/\\#,+()$~%;@$^!``:*?<>{}]/g, ``)
}
let loadTest, loadVersion
try {
loadTest = fs.existsSync(path.join(sourceFolderPath, `node_modules/${packageName}`))
if(!loadTest) throw new Error()
if ((isNeedToPassVersionCheck == false || isNeedToPassVersionCheck === undefined) && sourceFolderPath !== null) {
loadVersion = require(path.join(sourceFolderPath, `node_modules/${packageName}/package.json`)).version
loadVersion = loadVersion.replace(/[&\/\\#,+()$~%;@$^!``:*?<>{}]/g, ``)
if (packageVersion != null && packageVersion != loadVersion) return false
}
} catch (e) {
try { loadTest = require(packageName) } catch (e) { if (!loadTest) return false }
}
for (let key in require.cache)
if (!baseCache[key]) delete require.cache[key]
baseCache = null
return true
}
/**
* If the node module is not ready then automatically
* download and install the node module and turn on the server.
*
* λ
Έλ λͺ¨λμ΄ μ€λΉλμ΄μμ§ μμ κ²½μ° λ
Έλλͺ¨λμ
* μλμΌλ‘ λ€μ΄λ‘λ λ° μ€μΉν ν μλ²λ₯Ό μΌλλ€.
*
* @param {string} moduleName
*/
static moduleInstall(moduleName) {
return new Promise((resolve)=>{
cp.exec(`npm install ${moduleName}`, (error, body) => {
if (error) {
events.emit(ModuleInstaller.MODULE_INSTALL_ERROR_EVENT, error)
resolve()
return
}
ModuleInstaller.modulesInstallChecker(body)
resolve()
})
})
}
static async collectPackageList(sourceFolderPath) {
let packageList = require(path.join(sourceFolderPath, `package.json`))
let notInstalledModules = []
let baseCache = {}
for (let key in require.cache) baseCache[key] = true
for (let packageName in packageList.dependencies) {
if (!ModuleInstaller.isModuleExist(packageName, sourceFolderPath, undefined))
notInstalledModules.push(packageName)
}
for (let packageName in packageList.devDependencies) {
if (!ModuleInstaller.isModuleExist(packageName, sourceFolderPath, undefined))
notInstalledModules.push(packageName)
}
moduleCount = notInstalledModules.length;
for (let key in require.cache)
if (!baseCache[key]) delete require.cache[key]
baseCache = null
if (notInstalledModules.length > 0) {
events.emit(ModuleInstaller.INSTALL_START_EVENT, notInstalledModules)
for(let moduleName of notInstalledModules){
await events.emit(ModuleInstaller.MODULE_INSTALL_START_EVENT, moduleName)
await ModuleInstaller.moduleInstall(moduleName)
}
} else {
events.emit(ModuleInstaller.START_CALLBACK_EVENT)
}
}
static get ALL_INSTALLED_EVENT() { return `all_installed_event` }
static get INSTALL_START_EVENT() { return `install_start_event` }
static get MODULE_INSTALL_START_EVENT() { return `module_install_start` }
static get MODULE_INSTALLED_EVENT() { return `module_installed_event` }
static get MODULE_INSTALL_ERROR_EVENT() { return `module_install_error` }
static get START_CALLBACK_EVENT() { return `start_callback_event` }
}
const tempLogger = log => {
let now = new Date()
let timeFormat = String()
timeFormat += (String(now.getHours()).length > 1 ? now.getHours() : `0` + now.getHours())
timeFormat += `:` + (String(now.getMinutes()).length > 1 ? now.getMinutes() : `0` + now.getMinutes())
timeFormat += `:` + (String(now.getSeconds()).length > 1 ? now.getSeconds() : `0` + now.getSeconds()) + ``
let defaultFormat = String.fromCharCode(0x1b) + `[31;1m` + `[%time%] ` + String.fromCharCode(0x1b) + `[37;1m` + `%log%`
console.log(defaultFormat.replace(`%time%`, timeFormat).replace(`%log%`, log))
}
module.exports = ModuleInstaller
if(`${process.argv[1]}` == __filename)
ModuleInstaller.automatic(undefined)