rolldown
Version:
Fast JavaScript/TypeScript bundler in Rust with Rollup-compatible API.
579 lines (567 loc) • 18.5 kB
JavaScript
import "./shared/parse-ast-index-BL17IImH.mjs";
import { description, getCliSchemaInfo, getInputCliKeys, getOutputCliKeys, onExit, rolldown, validateCliOptions, version, watch } from "./shared/src-CWMXqoXE.mjs";
import { arraify } from "./shared/misc-CQeo-AFx.mjs";
import { logger } from "./shared/logger-CiCY7ucm.mjs";
import { loadConfig } from "./shared/load-config-Dq-xvwYY.mjs";
import path from "node:path";
import colors from "ansis";
import { parseArgs } from "node:util";
import process$1 from "node:process";
import { performance } from "node:perf_hooks";
//#region src/cli/arguments/alias.ts
const alias = {
config: {
abbreviation: "c",
hint: "filename"
},
help: { abbreviation: "h" },
version: { abbreviation: "v" },
watch: { abbreviation: "w" },
dir: { abbreviation: "d" },
file: { abbreviation: "o" },
external: { abbreviation: "e" },
format: { abbreviation: "f" },
name: { abbreviation: "n" },
globals: { abbreviation: "g" },
sourcemap: {
abbreviation: "s",
default: true
},
minify: { abbreviation: "m" },
platform: { abbreviation: "p" },
assetFileNames: { hint: "name" },
chunkFileNames: { hint: "name" },
entryFileNames: { hint: "name" },
externalLiveBindings: {
default: true,
reverse: true
},
treeshake: {
default: true,
reverse: true
},
preserveEntrySignatures: {
default: "strict",
reverse: true
},
moduleTypes: { hint: "types" }
};
//#endregion
//#region src/cli/arguments/utils.ts
function setNestedProperty(obj, path$1, value) {
const keys = path$1.split(".");
let current = obj;
for (let i = 0; i < keys.length - 1; i++) {
if (!current[keys[i]]) current[keys[i]] = {};
current = current[keys[i]];
}
const finalKey = keys[keys.length - 1];
Object.defineProperty(current, finalKey, {
value,
writable: true,
enumerable: true,
configurable: true
});
}
function camelCaseToKebabCase(str) {
return str.replace(/[A-Z]/g, (match) => `-${match.toLowerCase()}`);
}
function kebabCaseToCamelCase(str) {
return str.replace(/-./g, (match) => match[1].toUpperCase());
}
//#endregion
//#region src/cli/arguments/normalize.ts
function normalizeCliOptions(cliOptions, positionals) {
const [data, errors] = validateCliOptions(cliOptions);
if (errors?.length) {
errors.forEach((error) => {
logger.error(`${error}. You can use \`rolldown -h\` to see the help.`);
});
process.exit(1);
}
const options$1 = data ?? {};
const result = {
input: {},
output: {},
help: options$1.help ?? false,
version: options$1.version ?? false,
watch: options$1.watch ?? false
};
if (typeof options$1.config === "string") result.config = options$1.config;
const keysOfInput = getInputCliKeys();
const keysOfOutput = getOutputCliKeys();
const reservedKeys = [
"help",
"version",
"config",
"watch"
];
for (let [key, value] of Object.entries(options$1)) {
const [primary] = key.split(".");
if (keysOfInput.includes(primary)) setNestedProperty(result.input, key, value);
else if (keysOfOutput.includes(primary)) setNestedProperty(result.output, key, value);
else if (!reservedKeys.includes(key)) {
logger.error(`Unknown option: ${key}`);
process.exit(1);
}
}
if (!result.config && positionals.length > 0) if (Array.isArray(result.input.input)) result.input.input.push(...positionals);
else result.input.input = positionals;
return result;
}
//#endregion
//#region src/cli/arguments/index.ts
const schemaInfo = getCliSchemaInfo();
const options = Object.fromEntries(Object.entries(schemaInfo).filter(([_key, info]) => info.type !== "never").map(([key, info]) => {
const config = Object.getOwnPropertyDescriptor(alias, key)?.value;
const result = {
type: info.type === "boolean" ? "boolean" : "string",
description: info?.description ?? config?.description ?? "",
hint: config?.hint
};
if (config && config?.abbreviation) result.short = config?.abbreviation;
if (config && config.reverse) {
if (result.description.startsWith("enable")) result.description = result.description.replace("enable", "disable");
else if (!result.description.startsWith("Avoid")) result.description = `disable ${result.description}`;
}
key = camelCaseToKebabCase(key);
return [config?.reverse ? `no-${key}` : key, result];
}));
function parseCliArguments() {
const { values, tokens, positionals } = parseArgs({
options,
tokens: true,
allowPositionals: true,
strict: false
});
let invalid_options = tokens.filter((token) => token.kind === "option").map((option) => {
let negative = false;
if (option.name.startsWith("no-")) {
const name = kebabCaseToCamelCase(option.name.substring(3));
if (name in schemaInfo) {
delete values[option.name];
option.name = name;
negative = true;
}
}
delete values[option.name];
option.name = kebabCaseToCamelCase(option.name);
let originalInfo = schemaInfo[option.name];
if (!originalInfo) return {
name: option.name,
value: option.value
};
let type = originalInfo.type;
if (type === "string" && typeof option.value !== "string") {
let opt = option;
let defaultValue = Object.getOwnPropertyDescriptor(alias, opt.name)?.value;
Object.defineProperty(values, opt.name, {
value: defaultValue.default ?? "",
enumerable: true,
configurable: true,
writable: true
});
} else if (type === "object" && typeof option.value === "string") {
const [key, value] = option.value.split(",").map((x) => x.split("="))[0];
if (!values[option.name]) Object.defineProperty(values, option.name, {
value: {},
enumerable: true,
configurable: true,
writable: true
});
if (key && value) Object.defineProperty(values[option.name], key, {
value,
enumerable: true,
configurable: true,
writable: true
});
} else if (type === "array" && typeof option.value === "string") {
if (!values[option.name]) Object.defineProperty(values, option.name, {
value: [],
enumerable: true,
configurable: true,
writable: true
});
values[option.name].push(option.value);
} else if (type === "boolean") Object.defineProperty(values, option.name, {
value: !negative,
enumerable: true,
configurable: true,
writable: true
});
else if (type === "union") {
let defaultValue = Object.getOwnPropertyDescriptor(alias, option.name)?.value;
Object.defineProperty(values, option.name, {
value: option.value ?? defaultValue?.default ?? "",
enumerable: true,
configurable: true,
writable: true
});
} else Object.defineProperty(values, option.name, {
value: option.value ?? "",
enumerable: true,
configurable: true,
writable: true
});
}).filter((item) => {
return item !== void 0;
});
invalid_options.sort((a, b) => {
return a.name.localeCompare(b.name);
});
if (invalid_options.length !== 0) {
let single = invalid_options.length === 1;
logger.warn(`Option \`${invalid_options.map((item) => item.name).join(",")}\` ${single ? "is" : "are"} unrecognized. We will ignore ${single ? "this" : "those"} option${single ? "" : "s"}.`);
}
let rawArgs = {
...values,
...invalid_options.reduce((acc, cur) => {
acc[cur.name] = cur.value;
return acc;
}, Object.create(null))
};
return {
...normalizeCliOptions(values, positionals),
rawArgs
};
}
//#endregion
//#region src/utils/clear-screen.ts
const CLEAR_SCREEN = "\x1Bc";
function getClearScreenFunction(options$1) {
const isTTY = process.stdout.isTTY;
const isAnyOptionNotAllowingClearScreen = arraify(options$1).some(({ watch: watch$1 }) => watch$1 === false || watch$1?.clearScreen === false);
if (isTTY && !isAnyOptionNotAllowingClearScreen) return () => {
process.stdout.write(CLEAR_SCREEN);
};
}
//#endregion
//#region \0@oxc-project+runtime@0.89.0/helpers/usingCtx.js
function _usingCtx() {
var r = "function" == typeof SuppressedError ? SuppressedError : function(r$1, e$1) {
var n$1 = Error();
return n$1.name = "SuppressedError", n$1.error = r$1, n$1.suppressed = e$1, n$1;
}, e = {}, n = [];
function using(r$1, e$1) {
if (null != e$1) {
if (Object(e$1) !== e$1) throw new TypeError("using declarations can only be used with objects, functions, null, or undefined.");
if (r$1) var o = e$1[Symbol.asyncDispose || Symbol["for"]("Symbol.asyncDispose")];
if (void 0 === o && (o = e$1[Symbol.dispose || Symbol["for"]("Symbol.dispose")], r$1)) var t = o;
if ("function" != typeof o) throw new TypeError("Object is not disposable.");
t && (o = function o$1() {
try {
t.call(e$1);
} catch (r$2) {
return Promise.reject(r$2);
}
}), n.push({
v: e$1,
d: o,
a: r$1
});
} else r$1 && n.push({
d: e$1,
a: r$1
});
return e$1;
}
return {
e,
u: using.bind(null, !1),
a: using.bind(null, !0),
d: function d() {
var o, t = this.e, s = 0;
function next() {
for (; o = n.pop();) try {
if (!o.a && 1 === s) return s = 0, n.push(o), Promise.resolve().then(next);
if (o.d) {
var r$1 = o.d.call(o.v);
if (o.a) return s |= 2, Promise.resolve(r$1).then(next, err);
} else s |= 1;
} catch (r$2) {
return err(r$2);
}
if (1 === s) return t !== e ? Promise.reject(t) : Promise.resolve();
if (t !== e) throw t;
}
function err(n$1) {
return t = t !== e ? new r(n$1, t) : n$1, next();
}
return next();
}
};
}
//#endregion
//#region src/cli/commands/bundle.ts
async function bundleWithConfig(configPath, cliOptions, rawArgs = {}) {
if (cliOptions.watch) {
process.env.ROLLUP_WATCH = "true";
process.env.ROLLDOWN_WATCH = "true";
}
const config = await loadConfig(configPath);
if (!config) {
logger.error(`No configuration found at ${config}`);
process.exit(1);
}
const resolvedConfig = typeof config === "function" ? await config(rawArgs) : config;
if (cliOptions.watch) await watchInner(resolvedConfig, cliOptions);
else await bundleInner(resolvedConfig, cliOptions);
}
async function bundleWithCliOptions(cliOptions) {
try {
var _usingCtx$1 = _usingCtx();
if (cliOptions.output.dir || cliOptions.output.file) {
await (cliOptions.watch ? watchInner : bundleInner)({}, cliOptions);
return;
}
if (cliOptions.watch) {
logger.error("You must specify `output.dir` to use watch mode");
process.exit(1);
}
const { output: outputs } = await _usingCtx$1.a(await rolldown(cliOptions.input)).generate(cliOptions.output);
if (outputs.length === 0) {
logger.error("No output generated");
process.exit(1);
}
for (const file of outputs) {
if (outputs.length > 1) logger.log(`\n${colors.cyan(colors.bold(`|→ ${file.fileName}:`))}\n`);
console.log(file.type === "asset" ? file.source : file.code);
}
} catch (_) {
_usingCtx$1.e = _;
} finally {
await _usingCtx$1.d();
}
}
async function watchInner(config, cliOptions) {
let normalizedConfig = arraify(config).map((option) => {
return {
...option,
...cliOptions.input,
output: arraify(option.output || {}).map((output) => {
return {
...output,
...cliOptions.output
};
})
};
});
const watcher = watch(normalizedConfig);
onExit((code) => {
Promise.resolve(watcher.close()).finally(() => {
process.exit(typeof code === "number" ? code : 0);
});
return true;
});
const changedFile = [];
watcher.on("change", (id, event) => {
if (event.event === "update") changedFile.push(id);
});
const clearScreen = getClearScreenFunction(normalizedConfig);
watcher.on("event", async (event) => {
switch (event.code) {
case "START":
clearScreen?.();
break;
case "BUNDLE_START":
if (changedFile.length > 0) logger.log(`Found ${colors.bold(changedFile.map(relativeId).join(", "))} changed, rebuilding...`);
changedFile.length = 0;
break;
case "BUNDLE_END":
await event.result.close();
logger.success(`Rebuilt ${colors.bold(relativeId(event.output[0]))} in ${colors.green(ms(event.duration))}.`);
break;
case "ERROR":
await event.result.close();
logger.error(event.error);
break;
default: break;
}
});
logger.log(`Waiting for changes...`);
}
async function bundleInner(config, cliOptions) {
const startTime = performance.now();
const result = [];
const configList = arraify(config);
for (const config$1 of configList) {
const outputList = arraify(config$1.output || {});
const build = await rolldown({
...config$1,
...cliOptions.input
});
for (const output of outputList) try {
result.push(await build.write({
...output,
...cliOptions.output
}));
} finally {
await build.close();
}
}
result.forEach(printBundleOutputPretty);
logger.log(``);
const duration = performance.now() - startTime;
logger.success(`rolldown v${version} Finished in ${colors.green(ms(duration))}`);
}
function printBundleOutputPretty(output) {
const outputEntries = collectOutputEntries(output.output);
const outputLayoutSizes = collectOutputLayoutAdjustmentSizes(outputEntries);
printOutputEntries(outputEntries, outputLayoutSizes, "<DIR>");
}
function collectOutputEntries(output) {
return output.map((chunk) => ({
type: chunk.type,
fileName: chunk.fileName,
size: chunk.type === "chunk" ? Buffer.byteLength(chunk.code) : Buffer.byteLength(chunk.source)
}));
}
function collectOutputLayoutAdjustmentSizes(entries) {
let longest = 0;
let biggestSize = 0;
for (const entry of entries) {
if (entry.fileName.length > longest) longest = entry.fileName.length;
if (entry.size > biggestSize) biggestSize = entry.size;
}
const sizePad = displaySize(biggestSize).length;
return {
longest,
biggestSize,
sizePad
};
}
const numberFormatter = new Intl.NumberFormat("en", {
maximumFractionDigits: 2,
minimumFractionDigits: 2
});
function displaySize(bytes) {
return `${numberFormatter.format(bytes / 1e3)} kB`;
}
const CHUNK_GROUPS = [{
type: "asset",
color: "green"
}, {
type: "chunk",
color: "cyan"
}];
function printOutputEntries(entries, sizeAdjustment, distPath) {
for (const group of CHUNK_GROUPS) {
const filtered = entries.filter((e) => e.type === group.type);
if (!filtered.length) continue;
for (const entry of filtered.sort((a, z) => a.size - z.size)) {
let log = colors.dim(withTrailingSlash(distPath));
log += colors[group.color](entry.fileName.padEnd(sizeAdjustment.longest + 2));
log += colors.dim(entry.type);
log += colors.dim(` │ size: ${displaySize(entry.size).padStart(sizeAdjustment.sizePad)}`);
logger.log(log);
}
}
}
function withTrailingSlash(path$1) {
if (path$1[path$1.length - 1] !== "/") return `${path$1}/`;
return path$1;
}
function ms(duration) {
return duration < 1e3 ? `${duration.toFixed(2)} ms` : `${(duration / 1e3).toFixed(2)} s`;
}
function relativeId(id) {
if (!path.isAbsolute(id)) return id;
return path.relative(path.resolve(), id);
}
//#endregion
//#region src/cli/commands/help.ts
const introduction = `${colors.gray(`${description} (rolldown v${version})`)}
${colors.bold(colors.underline("USAGE"))} ${colors.cyan("rolldown -c <config>")} or ${colors.cyan("rolldown <input> <options>")}`;
const examples = [
{
title: "Bundle with a config file `rolldown.config.mjs`",
command: "rolldown -c rolldown.config.mjs"
},
{
title: "Bundle the `src/main.ts` to `dist` with `cjs` format",
command: "rolldown src/main.ts -d dist -f cjs"
},
{
title: "Bundle the `src/main.ts` and handle the `.png` assets to Data URL",
command: "rolldown src/main.ts -d dist --moduleTypes .png=dataurl"
},
{
title: "Bundle the `src/main.tsx` and minify the output with sourcemap",
command: "rolldown src/main.tsx -d dist -m -s"
},
{
title: "Create self-executing IIFE using external jQuery as `$` and `_`",
command: "rolldown src/main.ts -d dist -n bundle -f iife -e jQuery,window._ -g jQuery=$"
}
];
const notes = [
"Due to the API limitation, you need to pass `-s` for `.map` sourcemap file as the last argument.",
"If you are using the configuration, please pass the `-c` as the last argument if you ignore the default configuration file.",
"CLI options will override the configuration file.",
"For more information, please visit https://rolldown.rs/."
];
function showHelp() {
logger.log(introduction);
logger.log("");
logger.log(`${colors.bold(colors.underline("OPTIONS"))}`);
logger.log("");
logger.log(Object.entries(options).sort(([a], [b]) => {
if (options[a].short && !options[b].short) return -1;
if (!options[a].short && options[b].short) return 1;
if (options[a].short && options[b].short) return options[a].short.localeCompare(options[b].short);
return a.localeCompare(b);
}).map(([option, { type, short, hint, description: description$1 }]) => {
let optionStr = ` --${option} `;
option = camelCaseToKebabCase(option);
if (short) optionStr += `-${short}, `;
if (type === "string") optionStr += `<${hint ?? option}>`;
if (description$1 && description$1.length > 0) description$1 = description$1[0].toUpperCase() + description$1.slice(1);
return colors.cyan(optionStr.padEnd(30)) + description$1 + (description$1 && description$1?.endsWith(".") ? "" : ".");
}).join("\n"));
logger.log("");
logger.log(`${colors.bold(colors.underline("EXAMPLES"))}`);
logger.log("");
examples.forEach(({ title, command }, ord) => {
logger.log(` ${ord + 1}. ${title}:`);
logger.log(` ${colors.cyan(command)}`);
logger.log("");
});
logger.log(`${colors.bold(colors.underline("NOTES"))}`);
logger.log("");
notes.forEach((note) => {
logger.log(` * ${colors.gray(note)}`);
});
}
//#endregion
//#region src/cli/version-check.ts
function checkNodeVersion(nodeVersion) {
const currentVersion = nodeVersion.split(".");
const major = parseInt(currentVersion[0], 10);
const minor = parseInt(currentVersion[1], 10);
return major === 20 && minor >= 19 || major === 22 && minor >= 12 || major > 22;
}
//#endregion
//#region src/cli/index.ts
if (!checkNodeVersion(process$1.versions.node)) logger.warn(`You are using Node.js ${process$1.versions.node}. Rolldown requires Node.js version 20.19+ or 22.12+. Please upgrade your Node.js version.`);
async function main() {
const { rawArgs,...cliOptions } = parseCliArguments();
if (cliOptions.config || cliOptions.config === "") {
await bundleWithConfig(cliOptions.config, cliOptions, rawArgs);
return;
}
if ("input" in cliOptions.input) {
await bundleWithCliOptions(cliOptions);
return;
}
if (cliOptions.version) {
logger.log(`rolldown v${version}`);
return;
}
showHelp();
}
main().catch((err) => {
logger.error(err);
process$1.exit(1);
});
//#endregion
export { };