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lint.js
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lint.js
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#!/usr/bin/env -S deno run --unstable --allow-write --allow-read --allow-run --allow-net
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { buildMode, getPrebuilt, getSources, join, ROOT_PATH } from "./util.js";
import { checkCopyright } from "./copyright_checker.js";
const promises = [];
let js = Deno.args.includes("--js");
let rs = Deno.args.includes("--rs");
if (!js && !rs) {
js = true;
rs = true;
}
if (js) {
promises.push(dlint());
promises.push(dlintPreferPrimordials());
}
if (rs) {
promises.push(clippy());
}
if (!js && !rs) {
promises.push(checkCopyright());
}
const results = await Promise.allSettled(promises);
for (const result of results) {
if (result.status === "rejected") {
console.error(result.reason);
Deno.exit(1);
}
}
async function dlint() {
const configFile = join(ROOT_PATH, ".dlint.json");
const execPath = await getPrebuilt("dlint");
const sourceFiles = await getSources(ROOT_PATH, [
"*.js",
"*.ts",
":!:.github/mtime_cache/action.js",
":!:cli/tests/testdata/swc_syntax_error.ts",
":!:cli/tests/testdata/error_008_checkjs.js",
":!:cli/bench/testdata/npm/*",
":!:cli/bench/testdata/express-router.js",
":!:cli/bench/testdata/react-dom.js",
":!:cli/compilers/wasm_wrap.js",
":!:cli/tsc/dts/**",
":!:cli/tests/testdata/encoding/**",
":!:cli/tests/testdata/error_syntax.js",
":!:cli/tests/testdata/file_extensions/ts_with_js_extension.js",
":!:cli/tests/testdata/fmt/**",
":!:cli/tests/testdata/npm/**",
":!:cli/tests/testdata/lint/**",
":!:cli/tests/testdata/run/**",
":!:cli/tests/testdata/tsc/**",
":!:cli/tests/testdata/test/glob/**",
":!:cli/tsc/*typescript.js",
":!:cli/tsc/compiler.d.ts",
":!:test_util/wpt/**",
]);
if (!sourceFiles.length) {
return;
}
const chunks = splitToChunks(sourceFiles, `${execPath} run`.length);
const pending = [];
for (const chunk of chunks) {
const cmd = new Deno.Command(execPath, {
cwd: ROOT_PATH,
args: ["run", "--config=" + configFile, ...chunk],
// capture to not conflict with clippy output
stderr: "piped",
});
pending.push(
cmd.output().then(({ stderr, code }) => {
if (code > 0) {
const decoder = new TextDecoder();
console.log("\n------ dlint ------");
console.log(decoder.decode(stderr));
throw new Error("dlint failed");
}
}),
);
}
await Promise.all(pending);
}
// `prefer-primordials` has to apply only to files related to bootstrapping,
// which is different from other lint rules. This is why this dedicated function
// is needed.
async function dlintPreferPrimordials() {
const execPath = await getPrebuilt("dlint");
const sourceFiles = await getSources(ROOT_PATH, [
"runtime/**/*.js",
"ext/**/*.js",
"ext/node/polyfills/*.mjs",
"ext/node/polyfills/*.ts",
":!:ext/node/polyfills/*.d.ts",
"core/*.js",
":!:core/*_test.js",
":!:core/examples/**",
]);
if (!sourceFiles.length) {
return;
}
const chunks = splitToChunks(sourceFiles, `${execPath} run`.length);
for (const chunk of chunks) {
const cmd = new Deno.Command(execPath, {
cwd: ROOT_PATH,
args: ["run", "--rule", "prefer-primordials", ...chunk],
stdout: "inherit",
stderr: "inherit",
});
const { code } = await cmd.output();
if (code > 0) {
throw new Error("prefer-primordials failed");
}
}
}
function splitToChunks(paths, initCmdLen) {
let cmdLen = initCmdLen;
const MAX_COMMAND_LEN = 30000;
const chunks = [[]];
for (const p of paths) {
if (cmdLen + p.length > MAX_COMMAND_LEN) {
chunks.push([p]);
cmdLen = initCmdLen;
} else {
chunks[chunks.length - 1].push(p);
cmdLen += p.length;
}
}
return chunks;
}
async function clippy() {
const currentBuildMode = buildMode();
const cmd = ["clippy", "--all-targets", "--all-features", "--locked"];
if (currentBuildMode != "debug") {
cmd.push("--release");
}
const cargoCmd = new Deno.Command("cargo", {
cwd: ROOT_PATH,
args: [
...cmd,
"--",
"-D",
"warnings",
],
stdout: "inherit",
stderr: "inherit",
});
const { code } = await cargoCmd.output();
if (code > 0) {
throw new Error("clippy failed");
}
}