guandan-client/packages/generate-ab/main.js

'use strict'
//const { dir } = require('console')
const fs = require('fs')
const path = require('path')

module.exports = {
    load() {
        //当package被正确加载的时候执行
        Editor.log('package load')
    },

    unload() {
        //当package被正确卸载的时候执行

        Editor.log('package unload')
    },

    messages: {
        async generateMeta() {
            await buildAllABs()
            async function buildAllABs() {
                Editor.log('构建所有ab包')
                try {
                    let isNativeRemote = false
                    // let isMiniGameRemote = true
                    let isMiniGameRemote = true
                    // buildAB('mainpackage/Data', isNativeRemote, isMiniGameRemote)
                    // buildAB('mainpackage/mainscene', isNativeRemote, isMiniGameRemote)
                    // await buildABs('mainpackage/UI', isNativeRemote, isMiniGameRemote, 9)
                    await buildABs('remote/UI', isNativeRemote, isMiniGameRemote, 9)
                    // await buildABs('remote/resource', isNativeRemote, isMiniGameRemote, 9)
                } catch (e) {
                    Editor.log('构建所有ab包,失败[%s]', e.message)
                    return
                }
                Editor.log('构建所有ab包,成功')
            }
        },

        start() {
            Editor.log('开始生成assetsbundle meta文件')
            generateDir('remote', false)
            generateDir('mainpackage', false)
            Editor.assetdb.refresh('db://assets/remote/', function (err, results) {})
            Editor.assetdb.refresh('db://assets/mainpackage/', function (err, results) {})
            function generateDir(dirName, isRemote = true) {
                var rootDir = path.join(path.resolve(__dirname, '../..'), 'assets', dirName)
                // var eftBattleDir = path.join(rootDir, 'effect', 'battle')
                // readDirSync(eftBattleDir, isRemote)
                // var eftUIDir = path.join(rootDir, 'effect', 'ui')
                // readDirSync(eftUIDir, isRemote)
                // var spineDir = path.join(rootDir, 'Spine')
                // readDirSync(spineDir, isRemote)
                // var uiDir = path.join(rootDir, 'UI')
                // readDirSync(uiDir, isRemote)
            }
            function readDirSync(dir, isRemote = true) {
                var stat = fs.statSync(dir)
                if (!stat.isDirectory()) {
                    return
                } else {
                    var subpaths = fs.readdirSync(dir)
                    Editor.log('开始处理：', dir)
                    for (var i = 0; i < subpaths.length; i++) {
                        var subpath = path.join(dir, subpaths[i])
                        stat = fs.statSync(subpath)
                        var extensionName = path.extname(subpath).toLowerCase()
                        if (stat.isFile() && extensionName === '.meta') {
                            Editor.log(subpath)
                            var metaData = fs.readFileSync(subpath)
                            var data = JSON.parse(metaData)
                            // let metaData=await AssetDB.getMe
                            data.isBundle = true
                            data.isRemoteBundle = {
                                // android: isRemote,
                                // ios: isRemote,
                                wechatgame: false,
                            }
                            data.inlineSpriteFrames = {
                                // android: false,
                                // ios: false,
                                wechatgame: false,
                            }
                            data.compressionType = {
                                // android: 'default',
                                // ios: 'default',
                                wechatgame: 'merge_all_json',
                            }
                            data.optimizeHotUpdate = {
                                // android: false,
                                // ios: false,
                                wechatgame: false,
                            }
                            var dataJson = JSON.stringify(data, null, 2)
                            fs.writeFileSync(subpath, dataJson)
                        }
                    }
                }
            }
        },
    },
}

function buildAB(result, isNativeRemote, isMiniGameRemote, pp) {
    Editor.log('构建ab包[%s],[%d]', result.url, pp)

    let uuid = result.uuid
    let metaData = Editor.assetdb.loadMetaByUuid(uuid)

    let metaJsonData = {
        ver: metaData.ver,
        uuid: metaData.uuid,
        isBundle: true,
        bundleName: cc.path.basename(result.url), //path.posix.relative('db://assets/', result.url),
        priority: pp,
        subMetas: metaData.subMetas,
    }
    metaJsonData.isRemoteBundle = {
        android: isNativeRemote,
        ios: isNativeRemote,
        wechatgame: isMiniGameRemote,
    }
    metaJsonData.inlineSpriteFrames = {
        android: false,
        ios: false,
        wechatgame: false,
    }
    metaJsonData.compressionType = {
        // android: 'merge_all_json',
        // ios: 'merge_all_json',
        // 'web-mobile': 'merge_all_json',
        // 'web-desktop': 'merge_all_json',
        wechatgame: 'merge_all_json',
    }
    metaJsonData.optimizeHotUpdate = {
        android: false,
        ios: false,
        wechatgame: false,
    }

    let metaJson = JSON.stringify(metaJsonData, null, 2)

    Editor.assetdb.saveMeta(metaData.uuid, metaJson)
    Editor.log('构建ab包[%s],成功[%d]', result.url, pp)
}

async function buildABs(dir, isNativeRemote, isMiniGameRemote, pp) {
    return new Promise((resolve, reject) => {
        let url = 'db://assets/' + dir + '/*'
        Editor.log('构建ab包,目录[%s]', url, pp)
        Editor.assetdb.queryAssets(url, 'folder', async (err, results) => {
            if (err) {
                Editor.error(err)
                reject(err)
            }

            for (let i = 0; i < results.length; i++) {
                buildAB(results[i], isNativeRemote, isMiniGameRemote, pp)
            }
            resolve('')
        })
    })
}