vite-plugin-checker
Version:
Vite plugin that runs TypeScript type checker on a separate process.
91 lines (90 loc) • 4.64 kB
JavaScript
import { createRequire } from "node:module";
import path, { dirname } from "node:path";
import { access, cp, mkdir, readFile, rm, writeFile } from "node:fs/promises";
import { fileURLToPath } from "node:url";
import lockfile from "proper-lockfile";
//#region src/checkers/vueTsc/prepareVueTsc.ts
const _require = createRequire(import.meta.url);
const _dirname = dirname(fileURLToPath(import.meta.url));
const vueTscDir = dirname(_require.resolve("vue-tsc/package.json"));
const proxyApiPath = _require.resolve("@volar/typescript/lib/node/proxyCreateProgram", { paths: [vueTscDir] });
const extraSupportedExtensions = [".vue"];
const LOCK_TIMEOUT_MS = 6e4;
const STALE_TIMEOUT_MS = 3e4;
async function isFixtureValid(targetTsDir, vueTscFlagFile, currTsVersion) {
try {
await access(targetTsDir);
const targetTsVersion = JSON.parse(await readFile(path.resolve(targetTsDir, "package.json"), "utf8")).version;
await access(vueTscFlagFile);
const fixtureFlagContent = await readFile(vueTscFlagFile, "utf8");
return targetTsVersion === currTsVersion && fixtureFlagContent === proxyApiPath;
} catch {
return false;
}
}
async function prepareVueTsc() {
const targetTsDir = path.resolve(_dirname, "typescript-vue-tsc");
const vueTscFlagFile = path.resolve(targetTsDir, "vue-tsc-resolve-path");
const currTsVersion = _require("typescript/package.json").version;
if (Number(currTsVersion.split(".")[0]) < 5) throw new Error("\x1B[35m[vite-plugin-checker] Since 0.7.0, vue-tsc checkers requires TypeScript 5.0.0 or newer version.\nPlease upgrade TypeScript, or use v0.6.4 which works with vue-tsc^1 if you can't upgrade. Check the pull request https://github.com/fi3ework/vite-plugin-checker/pull/327 for detail.\x1B[39m\n");
if (await isFixtureValid(targetTsDir, vueTscFlagFile, currTsVersion)) return { targetTsDir };
let release;
try {
release = await lockfile.lock(_dirname, {
lockfilePath: path.resolve(_dirname, ".vue-tsc-fixture.lock"),
stale: STALE_TIMEOUT_MS,
retries: {
retries: Math.ceil(LOCK_TIMEOUT_MS / 1e3),
factor: 1,
minTimeout: 1e3,
maxTimeout: 2e3,
randomize: true
}
});
} catch (err) {
throw new Error("[vite-plugin-checker] Failed to acquire lock for vue-tsc fixture preparation. Another process may be holding the lock.\n" + String(err));
}
try {
if (await isFixtureValid(targetTsDir, vueTscFlagFile, currTsVersion)) return { targetTsDir };
await rm(targetTsDir, {
force: true,
recursive: true
});
await mkdir(targetTsDir, { recursive: true });
await cp(path.resolve(_require.resolve("typescript"), "../.."), targetTsDir, { recursive: true });
await writeFile(vueTscFlagFile, proxyApiPath);
await overrideTscJs(_require.resolve(path.resolve(targetTsDir, "lib/typescript.js")));
} finally {
await release();
}
return { targetTsDir };
}
async function overrideTscJs(tscJsPath) {
const languagePluginsFile = path.resolve(_dirname, "languagePlugins.cjs");
let tsc = await readFile(tscJsPath, "utf8");
const extsText = extraSupportedExtensions.map((ext) => `"${ext}"`).join(", ");
tsc = replace(tsc, /supportedTSExtensions = .*(?=;)/, (s) => s + `.map((group, i) => i === 0 ? group.splice(0, 0, ${extsText}) && group : group)`);
tsc = replace(tsc, /supportedJSExtensions = .*(?=;)/, (s) => s + `.map((group, i) => i === 0 ? group.splice(0, 0, ${extsText}) && group : group)`);
tsc = replace(tsc, /allSupportedExtensions = .*(?=;)/, (s) => s + `.map((group, i) => i === 0 ? group.splice(0, 0, ${extsText}) && group : group)`);
const extsText2 = extraSupportedExtensions.map((ext) => `"${ext}"`).join(", ");
tsc = replace(tsc, /function changeExtension\(/, (s) => `function changeExtension(path, newExtension) {
return [${extsText2}].some(ext => path.endsWith(ext))
? path + newExtension
: _changeExtension(path, newExtension)
}\n${s.replace("changeExtension", "_changeExtension")}`);
tsc = replace(tsc, /function createProgram\(.+\) {/, (s) => `var createProgram = require(${JSON.stringify(proxyApiPath)}).proxyCreateProgram(${[
"new Proxy({}, { get(_target, p, _receiver) { return eval(p); } } )",
"_createProgram",
`require(${JSON.stringify(languagePluginsFile)}).getLanguagePlugins`
].join(", ")});\n${s.replace("createProgram", "_createProgram")}`);
function replace(_text, ...[search, replace]) {
const before = _text;
const after = _text.replace(search, replace);
if (after === before) throw `Search string not found: ${JSON.stringify(search.toString())}`;
return after;
}
await writeFile(tscJsPath, tsc);
}
//#endregion
export { prepareVueTsc };
//# sourceMappingURL=prepareVueTsc.js.map