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418 lines (354 loc) · 11.6 KB
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/**
* Build helper scripts
* Usage: node build.mjs [options]
*
* Options:
* --type - Specify the build type: rel, dbg, prf, min, types.
* --format - Specify the module format: esm, umd.
* --watch - Rebuild when inputs change.
* --sourcemaps - Build with source maps.
* --clean - Remove build output.
*
* --treemap - Enable treemap build visualization (rel only).
* --treenet - Enable treenet build visualization (rel only).
* --treesun - Enable treesun build visualization (rel only).
*/
import { spawn } from 'node:child_process';
import { rm, writeFile } from 'node:fs/promises';
import path from 'node:path';
import { parseArgs, stripVTControlCharacters } from 'node:util';
import { buildTarget, OUT_PREFIX, watchTarget } from './utils/esbuild-build-target.mjs';
import { buildTypes, TYPES_INPUT, TYPES_OUTPUT, watchTypes } from './utils/types-build-target.mjs';
const JS_TYPES = /** @type {const} */ (['rel', 'dbg', 'prf', 'min']);
const BUILD_TYPES = /** @type {const} */ ([...JS_TYPES, 'types']);
const MODULE_FORMATS = /** @type {const} */ (['umd', 'esm']);
const INPUT = 'src/index.js';
const TREE_FLAGS = ['treemap', 'treenet', 'treesun'];
const TREE_TEMPLATES = {
treemap: 'treemap',
treenet: 'network',
treesun: 'sunburst'
};
const BIN_DIR = path.join('node_modules', '.bin');
const VISUALIZER = process.platform === 'win32' ? 'esbuild-visualizer.cmd' : 'esbuild-visualizer';
const BOLD = '\x1b[1m';
const REGULAR = '\x1b[22m';
const CYAN = '\x1b[36m';
const GREEN = '\x1b[32m';
const RED = '\x1b[31m';
const RESET = '\x1b[39m';
const COLORS = process.env.FORCE_COLOR !== '0' && !process.env.NO_COLOR;
const USAGE = `Usage: node build.mjs [options]
Options:
--type <rel|dbg|prf|min|types>
--format <esm|umd> (required for JS builds, tree visualizers default to both)
--watch, -w
--sourcemaps, -m
--clean
--treemap, --treenet, --treesun
Tree visualizers default to --type=rel and both formats.
Use npm run build or turbo run build:all for aggregate builds.
Use npm run watch or turbo run watch:all for aggregate watches.`;
const { values } = parseArgs({
args: process.argv.slice(2),
options: {
type: { type: 'string' },
format: { type: 'string' },
watch: { type: 'boolean', short: 'w' },
sourcemaps: { type: 'boolean', short: 'm' },
clean: { type: 'boolean' },
treemap: { type: 'boolean' },
treenet: { type: 'boolean' },
treesun: { type: 'boolean' },
help: { type: 'boolean', short: 'h' }
},
allowPositionals: false
});
const hasType = values.type !== undefined;
const type = values.type;
const hasFormat = values.format !== undefined;
const format = values.format;
const trees = TREE_FLAGS.filter(flag => values[flag]);
const pipe = (input, output) => {
let text = '';
let style = '';
input.setEncoding('utf8');
input.on('data', (chunk) => {
text += chunk.replace(/\r/g, '\n');
const lines = text.split('\n');
text = lines.pop();
for (const line of lines) {
const raw = line.trimEnd();
const out = stripVTControlCharacters(line).trimEnd();
if (out.trim()) {
output.write(`${style}${raw}\n`);
style = '';
continue;
}
if (raw) {
style += raw;
}
}
});
input.on('end', () => {
const raw = text.trimEnd();
const out = stripVTControlCharacters(text).trimEnd();
if (out.trim()) {
output.write(`${style}${raw}\n`);
}
});
};
const run = (cmd, args) => {
const child = spawn(cmd, args, {
shell: process.platform === 'win32',
stdio: values.watch ? 'inherit' : ['inherit', 'pipe', 'pipe']
});
if (child.stdout) {
pipe(child.stdout, process.stdout);
}
if (child.stderr) {
pipe(child.stderr, process.stderr);
}
return new Promise((resolve) => {
child.on('error', (err) => {
console.error(err.message);
resolve(1);
});
child.on('close', code => resolve(code ?? 1));
});
};
const fail = (msg) => {
console.error(msg);
return process.exit(1);
};
const getTreeTargets = () => {
const buildType = type ?? 'rel';
if (!BUILD_TYPES.includes(buildType)) {
return fail(`--type must be one of: ${BUILD_TYPES.join(', ')}`);
}
if (buildType !== 'rel') {
return fail('tree visualizers only support --type=rel');
}
if (hasFormat && !MODULE_FORMATS.includes(format)) {
return fail(`--format must be one of: ${MODULE_FORMATS.join(', ')}`);
}
return (hasFormat ? [format] : MODULE_FORMATS).map(moduleFormat => ({
buildType,
moduleFormat
}));
};
const ms = (value) => {
return value >= 1000 ? `${(value / 1000).toFixed(1)}s` : `${Math.round(value)}ms`;
};
const bold = (value) => {
return COLORS ? `${BOLD}${value}${REGULAR}` : value;
};
const writeLog = (stream, code, value) => {
const text = COLORS ? `${code}${value}${RESET}` : value;
stream.write(`${text}\n`);
};
const startLog = (input, output) => writeLog(process.stderr, CYAN, `${bold(input)} → ${bold(output)}...`);
const createdLog = (output, elapsed) => {
writeLog(process.stderr, GREEN, `created ${bold(output)} in ${bold(ms(elapsed))}`);
};
const failedLog = (output, elapsed) => {
writeLog(process.stderr, RED, `failed ${bold(output)} in ${bold(ms(elapsed))}`);
};
const runTreeVisualizers = async (moduleFormat, metafile) => {
const suffix = moduleFormat === 'esm' ? 'es' : 'umd';
const metadata = `build/.esbuild-metafile.${moduleFormat}.json`;
await writeFile(metadata, JSON.stringify(metafile));
const codes = await Promise.all(trees.map(async (flag) => {
const output = `${flag}.${suffix}.html`;
startLog(metadata, output);
const start = performance.now();
const code = await run(path.join(BIN_DIR, VISUALIZER), [
'--metadata', metadata,
'--filename', output,
'--template', TREE_TEMPLATES[flag]
]);
if (code) {
failedLog(output, performance.now() - start);
return code;
}
createdLog(output, performance.now() - start);
return 0;
}));
const code = codes.find(Boolean) ?? 0;
if (code) {
return code;
}
await rm(metadata, { force: true });
return 0;
};
const targetOutput = (buildType, moduleFormat) => {
const prefix = OUT_PREFIX[buildType];
const file = `build/${prefix}${moduleFormat === 'umd' ? '.js' : '.mjs'}`;
return moduleFormat === 'esm' && buildType !== 'min' ? `${file}, build/${prefix}/` : file;
};
const buildTreeTarget = async (target) => {
const output = targetOutput(target.buildType, target.moduleFormat);
startLog(INPUT, output);
const start = performance.now();
const result = await buildTarget({
...target,
sourcemaps: values.sourcemaps,
metafile: true
});
createdLog(output, performance.now() - start);
return runTreeVisualizers(target.moduleFormat, result.metafile);
};
const buildTrees = async () => {
const codes = await Promise.all(getTreeTargets().map(target => buildTreeTarget(target)));
return codes.find(Boolean) ?? 0;
};
const watchTrees = async () => {
const watchers = await Promise.all(getTreeTargets().map((target) => {
return watchTarget({
...target,
sourcemaps: values.sourcemaps,
metafile: true,
start: startLog,
log(path, elapsed, errors) {
if (errors) {
failedLog(path, elapsed);
return;
}
createdLog(path, elapsed);
},
end(result) {
return runTreeVisualizers(target.moduleFormat, result.metafile);
}
});
}));
return watchers.flat();
};
const getJSTargets = () => {
if (!hasType) {
return fail('--type is required');
}
if (!BUILD_TYPES.includes(type)) {
return fail(`--type must be one of: ${BUILD_TYPES.join(', ')}`);
}
if (!hasFormat) {
return fail('--format is required for JS builds');
}
if (!MODULE_FORMATS.includes(format)) {
return fail(`--format must be one of: ${MODULE_FORMATS.join(', ')}`);
}
if (type === 'types' && values.format) {
return fail('--type=types cannot be combined with --format');
}
/** @type {{ buildType: 'rel'|'dbg'|'prf'|'min', moduleFormat: 'umd'|'esm' }[]} */
const targets = [];
JS_TYPES.forEach((buildType) => {
MODULE_FORMATS.forEach((moduleFormat) => {
if (type !== 'types' && !trees.length && buildType === type && moduleFormat === format) {
targets.push({ buildType, moduleFormat });
}
});
});
return targets;
};
const buildJS = async () => {
const targets = getJSTargets();
if (!targets.length) {
return 0;
}
await Promise.all(targets.map(async (target) => {
const output = targetOutput(target.buildType, target.moduleFormat);
startLog(INPUT, output);
const start = performance.now();
await buildTarget({
...target,
sourcemaps: values.sourcemaps
});
createdLog(output, performance.now() - start);
}));
return 0;
};
const watchJS = async () => {
const targets = getJSTargets();
if (!targets.length) {
return [];
}
const watchers = await Promise.all(targets.map((target) => {
return watchTarget({
...target,
sourcemaps: values.sourcemaps,
start: startLog,
log(path, elapsed, errors) {
if (errors) {
failedLog(path, elapsed);
return;
}
createdLog(path, elapsed);
}
});
}));
return watchers.flat();
};
const buildTypesTarget = async () => {
if (values.format) {
return fail('--type=types cannot be combined with --format');
}
startLog(TYPES_INPUT, TYPES_OUTPUT);
const start = performance.now();
await buildTypes();
createdLog(TYPES_OUTPUT, performance.now() - start);
return 0;
};
const watchTypesTarget = () => {
if (values.format) {
return fail('--type=types cannot be combined with --format');
}
return watchTypes({
start: startLog,
log(path, elapsed, errors) {
if (errors) {
failedLog(path, elapsed);
return;
}
createdLog(path, elapsed);
}
});
};
const main = async () => {
if (values.help) {
console.log(USAGE);
return 0;
}
if (values.clean) {
await rm('build', { recursive: true, force: true });
return 0;
}
if (values.watch && values.sourcemaps && !hasType && !hasFormat && !trees.length) {
return fail('--sourcemaps cannot be combined with aggregate --watch');
}
if (trees.length && values.watch) {
await watchTrees();
await new Promise(() => {});
return 0;
}
if (trees.length) {
return buildTrees();
}
if (values.watch && !hasType && !hasFormat) {
return fail('aggregate watch must be run with npm run watch or turbo run watch:all');
}
if (type === 'types' && values.watch) {
await watchTypesTarget();
await new Promise(() => {});
return 0;
}
if (type === 'types') {
return buildTypesTarget();
}
if (values.watch) {
await watchJS();
await new Promise(() => {});
return 0;
}
return buildJS();
};
process.exitCode = await main();