84 lines
2.2 KiB
JavaScript
84 lines
2.2 KiB
JavaScript
import crypto from "crypto";
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import { promises as fs } from "fs";
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import path from "path";
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import { parse } from "@babel/parser";
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import { simple as babelWalk } from "babel-walk";
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import { readLangConfig } from "./yaml.js";
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async function getRelativeImports(filename) {
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const relativeImports = [];
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const program = parse(await fs.readFile(filename, "utf-8"), {
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sourceType: "module",
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plugins: ["classProperties"],
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});
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babelWalk({
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ImportDeclaration: (node) => {
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if (node.source.type !== "StringLiteral") {
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throw new Error(`unsupported import syntax:`, node);
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}
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const source = node.source.value;
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if (!source.startsWith(".")) {
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return;
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}
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relativeImports.push(source);
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},
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})(program);
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return relativeImports;
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}
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function pathRelativeTo(relativePath, relativeTo) {
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return path.join(path.dirname(path.resolve(relativeTo)), relativePath);
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}
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async function getTransitiveRelativeImports(filename) {
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let queue = [filename];
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const found = new Set();
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while (queue.length > 0) {
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const filename = path.resolve(queue.pop());
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if (found.has(filename)) {
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continue;
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}
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found.add(filename);
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queue = queue.concat(
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(await getRelativeImports(filename)).map((result) =>
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pathRelativeTo(result, filename)
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)
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);
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}
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return [...found];
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}
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async function getTestRunnerHash() {
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const files = await getTransitiveRelativeImports("backend/test-runner.js");
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files.push("package.json");
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files.push("yarn.lock");
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const hashes = [];
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for (const file of files) {
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hashes.push(
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crypto
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.createHash("sha1")
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.update(await fs.readFile(file, "utf-8"))
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.digest("hex")
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);
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}
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return crypto.createHash("sha1").update(hashes.join(",")).digest("hex");
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}
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const testRunnerHash = getTestRunnerHash();
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async function getTestConfigHash(lang) {
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const config = Object.assign({}, await readLangConfig(lang));
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delete config["install"];
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delete config["info"];
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return crypto.createHash("sha1").update(JSON.stringify(config)).digest("hex");
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}
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export async function getTestHash(lang) {
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return crypto
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.createHash("sha1")
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.update(`${await testRunnerHash},${await getTestConfigHash(lang)}`)
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.digest("hex");
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}
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