@lvl/wxapp-cli/lib/cmd/add.bak.js

wxapp-cli

const {
    logWithSpinner,
    stopSpinner,
    log,
    error,
    clearConsole
} = require('../utils');

const fs = require('fs-extra');
const path = require('path');

/**
 * Page目录与对应的模板关系
 */
const fileExtensionsMap = {
    json: '/src/pages/demo/demo.json',
    wxml: '/src/pages/demo/demo.wxml',
    wxss: '/src/pages/demo/demo.wxss',
    js: '/src/pages/demo/demo.js'
}


async function add(pageName) {
    console.info('new create page name is ' + pageName);

    const cwd = process.cwd()
    const pageDirPath = path.resolve(cwd, pageName)

    //创建文件夹
    fs.ensureDir(pageDirPath, function () {
        createPageFiles(pageName, pageDirPath);
    });

    // 寻找app.json文件
    const appConfigFile = findAPPConfigFile(cwd);

    // 将路径写入到app.json
    const pagePath = getPageConfigPath(pageDirPath) + pageName;

    // 创建页面组成文件
    fs.readJson(appConfigFile, (err, packageObj) => {
        if (err) console.error(err)
        packageObj.pages.push(pagePath);
        fs.writeJson(appConfigFile, packageObj, {
            spaces: '\t'
        }, err => {
            if (err) return console.error(err)
            console.log('success')
        });
    })

}

/**
 * 获取页面的相对于Pages的父级路径
 * @param {*} absolutePath 
 */
function getPageConfigPath(absolutePath) {
    const pathLevelArray = absolutePath && absolutePath.split(path.sep);
    const pageIndex = pathLevelArray.indexOf('pages');
    const newPathArray = pathLevelArray.slice(pageIndex);
    let newPath = ''
    newPathArray.forEach(element => {
        newPath += element + '/'
    });

    return newPath;
}

/**
 * 在指定目录下创建Page所需要的目录文件
 * @param {*} pageName 
 * @param {*} parentPath 
 */
function createPageFiles(pageName, parentPath) {
    const sourcePagePath = getPageSourcePath();
    for (const extension in fileExtensionsMap) {
        if (fileExtensionsMap.hasOwnProperty(extension)) {
            const element = fileExtensionsMap[extension];
            const filePath = parentPath + '/' + pageName + '.' + extension;
            const sourceFilePath = sourcePagePath + element;

            fs.readFile(sourceFilePath, 'utf8', (err, data) => {
                if (err) return console.error(err)
                fs.outputFile(filePath, data, err => {
                    err && console.log(err) // => null
                })
            })
        }
    }
}

let stackCount = 0;
/**
 * 根据当前的路径寻找当前工程中的app.js文件
 * @param {*} currentPath 
 */
function findAPPConfigFile(currentPath) {
    const appConfigFilePath = currentPath + '/app.json';
    if (fs.existsSync(appConfigFilePath)) {
        return appConfigFilePath;
    } else if (stackCount++ < 10) {
        return findAPPConfigFile(path.dirname(currentPath));
    } else {
        throw new Error('找了10层还没找到，请确认文件是否真实存在');
    }
}

/**
 * 获取源文件路径
 */
function getPageSourcePath() {
    return `${path.resolve(cliRoot, 'node_modules', tplModuleName)}`;
}

const tplModuleName = '@lvl/wxapp-cli-t-common';
const { cliRoot } = require('../config/wxapp-cli.config');

module.exports = (...args) => {
    return add(...args).catch(err => {
        error(err)
        // process.exit(1)
    })
}