57 lines
3.2 KiB
JavaScript
57 lines
3.2 KiB
JavaScript
import { spawnSync } from "node:child_process";
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import { readFile } from "node:fs/promises";
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import path from "node:path";
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import { fileURLToPath } from "node:url";
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import * as prettier from "prettier";
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export async function checkChangedFormatting({ cwd = process.cwd(), baseSha = process.env.BASE_SHA, headSha = process.env.GITHUB_SHA || "HEAD", log = console.log } = {}) {
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const git = (args) => {
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const result = spawnSync("git", args, { cwd, encoding: "utf8", maxBuffer: 32 * 1024 * 1024 });
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if (result.error) throw result.error;
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if (result.status !== 0) throw new Error(`git ${args.join(" ")}: ${result.stderr}`);
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return result.stdout;
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};
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const head = git(["rev-parse", "--verify", `${headSha}^{commit}`]).trim();
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const parent = git(["rev-list", "--parents", "-n", "1", head]).trim().split(" ")[1] || null;
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let base = parent;
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if (baseSha && !/^0+$/.test(baseSha)) {
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// 强制改写提交历史后，push 事件里的 before 可能已不在 checkout 中；
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// 对合法但失效的 SHA 退回当前父提交，仍校验本次提交的完整改动。
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if (!/^[0-9a-f]{40}$/i.test(baseSha)) throw new Error(`Invalid base SHA: ${baseSha}`);
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const resolved = spawnSync("git", ["rev-parse", "--verify", `${baseSha}^{commit}`], { cwd, encoding: "utf8" });
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if (resolved.status === 0) {
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base = resolved.stdout.trim();
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} else {
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log(`Base SHA ${baseSha} is unavailable; checking against the head parent instead.`);
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}
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}
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const files = (base ? git(["diff", "--relative", "--name-only", "--diff-filter=ACMR", "-z", base, head, "--", "."]) : git(["ls-tree", "-r", "--name-only", "-z", head, "--", "."]))
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.split("\0")
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.filter((file) => /\.(css|html|json|js|jsx|md|mdx|mjs|cjs|ts|tsx|yaml|yml)$/.test(file));
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const prefix = git(["rev-parse", "--show-prefix"]).trim();
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const previousFiles = new Set(base ? git(["ls-tree", "-r", "--name-only", "-z", base, "--", "."]).split("\0") : []);
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const failures = [];
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for (const file of files) {
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const filepath = path.join(cwd, file);
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const info = await prettier.getFileInfo(filepath, { ignorePath: path.join(cwd, ".prettierignore") });
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if (info.ignored) continue;
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const options = { ...(await prettier.resolveConfig(filepath)), filepath };
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// 只允许明确的历史格式问题跳过；语法、Git、文件读取错误全部向上抛出。
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const previous = previousFiles.has(file) ? git(["show", `${base}:${prefix}${file}`]) : null;
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if (previous !== null && !(await prettier.check(previous, options))) {
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log(`Skipping legacy unformatted file: ${file}`);
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continue;
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}
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if (!(await prettier.check(await readFile(filepath, "utf8"), options))) failures.push(file);
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}
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if (failures.length) throw new Error(`Code style issues found:\n${failures.join("\n")}\nRun Prettier with --write to fix.`);
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log("Changed web files passed formatting checks.");
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}
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if (process.argv[1] && path.resolve(process.argv[1]) === fileURLToPath(import.meta.url)) {
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checkChangedFormatting().catch((error) => {
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console.error(error.message);
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process.exitCode = 1;
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});
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}
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