miniprogram-build/src/compiler/compile-wxts.js

///@ts-check
"use strict";
var gulp = require("gulp");
var sourcemaps = require("gulp-sourcemaps");
var rename = require("gulp-rename");
const debug = require("../log/compile");
const size = require("../log/size");
var empty = require("../lib/empty");
var replace = require("../lib/multi-replace");
const pkgVar = require('../lib/package-var');
const loadPlugins = require("../lib/rollup-plugins");
var error = require("../log/error");
const warn = require("../log/warn");
const npm = require("../lib/npm-dependency");

const wxtsConfig = {
    rootDir: undefined,
    include: ["**/*.wxts", "**/*.ts"],
    target: "es5",
    module: "ES6",
    downlevelIteration: true, //Provide full support for iterables in for..of, spread and destructuring when targeting ES5 or ES3.
    isolatedModules: true, //Transpile each file as a separate module (similar to “ts.transpileModule”).
    noLib: true,
    lib: ["es5"],
};

const defaultConfig = {
    // allowJs: true,
    // checkJs: true,
    alwaysStrict: true,
    noImplicitAny: true,
    noImplicitReturns: true,
    noImplicitThis: true,
    // noUnusedLocals: true,
    // noUnusedParameters: true,
    // strictBindCallApply: true,
    // strictFunctionTypes: true,
    // strictPropertyInitialization: true,
    strictNullChecks: true,
};
var TITLE = "wxts:";
/**
 * 编译TS
 * @param {object} config *
 * @param {string|string[]} tsFile
 * @param {any} tsconfig
 */
function compileWxts(config, tsFile, tsconfig) {
    const ts = require("rollup-plugin-typescript");
    const gulpRollup = require("gulp-better-rollup");
    let dependencies = []
    const plugins = [].concat(loadPlugins())

    try {
        dependencies = Object.keys(npm.getDependencies(process.cwd()));
        const newConfig = Object.assign({}, defaultConfig, tsconfig ? tsconfig.compilerOptions : {}, wxtsConfig);
        plugins.unshift(ts(newConfig))
    } catch (error) {
        warn(TITLE)('' + error);
    }
    return gulp
        .src(tsFile, { base: config.src, sourcemaps: !config.release })
        .pipe(
            debug({
                title: TITLE,
                // dist: config.dist,
                distExt: ".wxs",
            }),
        )
        .pipe(config.release ? empty() : sourcemaps.init())
        .pipe(
            gulpRollup(
                {
                    // rollup: require('rollup'),
                    onwarn: warn(TITLE),
                    treeshake: { propertyReadSideEffects: false },
                    external: m => m.endsWith(".wxs") && !dependencies.includes(m.split("/")[0]),
                    plugins: plugins,
                    // globals:{wx:'wx'}
                },
                {
                    format: "cjs",
                    esModule: false,
                },
            ),
        )
        .on("error", error(TITLE))
        .pipe(rename({ extname: ".wxs" }))
        .pipe(replace(pkgVar(config.var), undefined, "{{", "}}"))
        .pipe(config.release ? empty() : sourcemaps.write())
        .pipe(gulp.dest(config.dist))
        .pipe(size({ title: TITLE, showFiles: true }));
}
module.exports = compileWxts;