better-xcloud/build.ts
2025-01-28 15:15:19 +07:00

350 lines
9.5 KiB
TypeScript
Executable File

#!/usr/bin/env bun
import { readFile, readdir } from "node:fs/promises";
import { parseArgs } from "node:util";
import { sys } from "typescript";
// @ts-ignore
import txtScriptHeader from "./src/assets/header_script.txt" with { type: "text" };
// @ts-ignore
import txtScriptHeaderLite from "./src/assets/header_script.lite.txt" with { type: "text" };
// @ts-ignore
import txtMetaHeader from "./src/assets/header_meta.txt" with { type: "text" };
import { assert } from "node:console";
import { ESLint } from "eslint";
enum BuildTarget {
ALL = 'all',
ANDROID_APP = 'android-app',
MOBILE = 'mobile',
WEBOS = 'webos',
}
type BuildVariant = 'full' | 'lite';
const MINIFY_SYNTAX = true;
function minifySvgImports(str: string): string {
// Minify SVG imports
const svgMap = {};
str = str.replaceAll(/var ([\w_]+) = `(<svg.*?\n)`;\n\n/gsm, (match, p1, p2) => {
// Remove new lines in SVG
p2 = p2.replaceAll(/\n\s*/g, '');
svgMap[p1] = '"' + p2.trim() + '"';
return '';
});
for (const name in svgMap) {
str = str.replace(name + ',', svgMap[name] + ',');
str = str.replace(name + '\n', svgMap[name] + '\n');
}
return str;
}
function minifyCodeImports(str: string): string {
str = str.replaceAll(/var ([\w_]+_default\d?) = `(.*?)`;/gsm, (match, p1, p2) => {
// Remove new lines in SVG
p2 = p2.replaceAll(/\n\s*/g, '\n');
p2 = p2.replaceAll(/\n\/\/.*/g, '\n');
p2 = p2.replaceAll(/^\/\/.*/g, '\n');
p2 = p2.replaceAll(/\n+/g, '\n');
p2 = p2.trim();
return `var ${p1} = \`${p2}\`;`;
});
return str;
}
function minifyIfElse(str: string): string {
// Collapse if/else blocks without curly braces
return str.replaceAll(/((if \(.*?\)|else)\n\s+)/g, '$2 ');
}
function removeComments(str: string): string {
// Remove enum's inlining comments
str = str.replaceAll(/ \/\* [A-Z0-9_:]+ \*\//g, '');
str = str.replaceAll('/* @__PURE__ */ ', '');
// Remove comments from import
str = str.replaceAll(/\/\/ src.*\n/g, '');
return str;
}
function postProcess(str: string, pretty: boolean): string {
// Unescape unicode charaters
str = unescape((str.replace(/\\u/g, '%u')));
// Replace \x00 to normal character
str = str.replaceAll(/\\x[A-F0-9]{2}/g, (e) => String.fromCharCode(parseInt(e.substring(2), 16)));
// Replace "globalThis." with "var";
str = str.replaceAll('globalThis.', 'var ');
str = removeComments(str);
// Add ADDITIONAL CODE block
str = str.replace('var DEFAULT_FLAGS', '\n/* ADDITIONAL CODE */\n\nvar DEFAULT_FLAGS');
str = str.replaceAll('(e) => `', 'e => `');
// Simplify object definitions
// {[1]: "a"} => {1: "a"}
str = str.replaceAll(/\[(\d+)\]: /g, '$1: ');
// {["a"]: 1, ["b-c"]: 2} => {a: 1, "b-c": 2}
str = str.replaceAll(/\["([^"]+)"\]: /g, function(match, p1) {
if (p1.includes('-') || p1.match(/^\d/)) {
p1 = `"${p1}"`;
}
return p1 + ': ';
});
str = minifySvgImports(str);
str = minifyCodeImports(str);
// Collapse empty brackets
str = str.replaceAll(/\{[\s\n]+\}/g, '{}');
// Remove blank lines
str = str.replaceAll(/\n([\s]*)\n/g, "\n");
// Minify WebGL shaders & JS strings
// Replace "\n " with "\n"
str = str.replaceAll(/\\n+\s*/g, '\\n');
// Remove comment line
str = str.replaceAll(/\\n\/\/.*?(?=\\n)/g, '');
// Replace ${"time".toUpperCase()} with "TIME"
// str = str.replaceAll(/\$\{"([^"]+)"\.toUpperCase\(\)\}/g, (match, p1) => {
// return p1.toUpperCase();
// });
// Replace " (e) =>" to " e =>"
// str = str.replaceAll(/ \(([^\s,.$()]+)\) =>/g, ' $1 =>');
// Set indent to 1 space
if (MINIFY_SYNTAX) {
str = minifyIfElse(str);
str = str.replaceAll(/\n(\s+|\})/g, (match, p1) => {
if (pretty) {
if (p1 === '}') {
return '\n}';
} else {
const len = p1.length / 2;
return '\n' + ' '.repeat(len);
}
} else {
return (p1 === '}') ? '}' : '';
}
});
}
// Fix unicode regex in Patcher.optimizeGameSlugGenerator
str = str.replaceAll('^\\™', '^\\\\u2122');
assert(str.includes('/* ADDITIONAL CODE */'));
assert(str.includes('window.BX_EXPOSED = BxExposed'));
assert(str.includes('window.BxEvent = BxEvent'));
assert(str.includes('window.BX_FETCH = window.fetch'));
return str;
}
async function buildPatches() {
const inputDir = './src/modules/patcher/patches/src';
const outputDir = './src/modules/patcher/patches';
const files = await readdir(inputDir);
const tsFiles = files.filter(file => file.endsWith('.ts'));
tsFiles.forEach(async file => {
// You can perform any operation with each TypeScript file
console.log(`Building patch: ${file}`);
const filePath = `${inputDir}/${file}`;
await Bun.build({
entrypoints: [filePath],
outdir: outputDir,
target: 'browser',
format: 'esm',
minify: {
syntax: true,
whitespace: true,
},
});
const outputFile = `${outputDir}/${file.replace('.ts', '.js')}`;
let code = await readFile(outputFile, 'utf-8');
// Replace "$this$" to "this"
code = code.replaceAll('$this$', 'this');
// Minify code
code = removeComments(code);
code = minifyIfElse(code);
// Save
await Bun.write(outputFile, code);
console.log(`Patch built successfully: ${file}`)
});
}
async function build(target: BuildTarget, params: { version: string, variant: BuildVariant, pretty: boolean, meta: boolean }, config: any={}) {
const { version, variant, pretty, meta } = params;
console.log('-- Target:', target);
const startTime = performance.now();
let outputScriptName = 'better-xcloud';
if (target !== BuildTarget.ALL) {
outputScriptName += `.${target}`;
}
if (variant !== 'full') {
outputScriptName += `.${variant}`;
}
let outputMetaName = outputScriptName;
if (pretty) {
outputScriptName += '.pretty';
}
outputScriptName += '.user.js';
outputMetaName += '.meta.js';
const outDir = './dist';
await buildPatches();
let output = await Bun.build({
entrypoints: ['src/index.ts'],
outdir: outDir,
naming: outputScriptName,
minify: {
syntax: MINIFY_SYNTAX,
},
define: {
'Bun.env.BUILD_TARGET': JSON.stringify(target),
'Bun.env.BUILD_VARIANT': JSON.stringify(variant),
'Bun.env.SCRIPT_VERSION': JSON.stringify(version),
},
});
if (!output.success) {
console.log(output);
process.exit(1);
}
const {path} = output.outputs[0];
// Get generated file
let result = postProcess(await readFile(path, 'utf-8'), pretty);
// Replace [[VERSION]] with real value
let scriptHeader: string;
if (variant === 'full') {
scriptHeader = txtScriptHeader;
} else {
scriptHeader = txtScriptHeaderLite;
}
scriptHeader = scriptHeader.replace('[[VERSION]]', version);
// Save to script
await Bun.write(path, scriptHeader + result);
// Create meta file (don't build if it's beta version)
if (meta && !version.includes('beta') && variant === 'full') {
await Bun.write(outDir + '/' + outputMetaName, txtMetaHeader.replace('[[VERSION]]', version));
}
// Check with ESLint
const eslint = new ESLint();
const results = await eslint.lintFiles([path]);
results[0].messages.forEach((msg: any) => {
console.error(`${path}#${msg.line}: ${msg.message}`);
});
console.log(`---- [${target}] done in ${performance.now() - startTime} ms`);
console.log(`---- [${target}] ${new Date()}`);
}
const buildTargets = [
BuildTarget.ALL,
// BuildTarget.ANDROID_APP,
// BuildTarget.MOBILE,
// BuildTarget.WEBOS,
];
const { values, positionals } = parseArgs({
args: Bun.argv,
options: {
version: {
type: 'string',
},
variant: {
type: 'string',
default: 'full',
},
pretty: {
type: 'boolean',
default: false,
},
meta: {
type: 'boolean',
default: false,
},
},
strict: true,
allowPositionals: true,
}) as {
values: {
version: string,
variant: BuildVariant,
pretty: boolean,
meta: boolean,
},
positionals: string[],
};
if (!values['version']) {
console.log('Missing --version param');
sys.exit(-1);
}
if (values['variant'] !== 'full' && values['variant'] !== 'lite') {
console.log('--variant param must be either "full" or "lite"');
sys.exit(-1);
}
async function main() {
const config = {};
console.log(`Building: VERSION=${values['version']}, VARIANT=${values['variant']}`);
for (const target of buildTargets) {
await build(target, values, config);
}
console.log('')
// console.log('\n** Press Enter to build or Esc to exit');
}
function onKeyPress(data: any) {
const keyCode = data[0];
if (keyCode === 13) { // Enter key
main();
} else if (keyCode === 27) { // Esc key
process.exit(0);
}
}
main();
/*
process.stdin.setRawMode(true);
process.stdin.resume();
process.stdin.on('data', onKeyPress);
*/