t8y2
114 lines
3.9 KiB
JavaScript
114 lines
3.9 KiB
JavaScript
import { mkdir, writeFile } from "node:fs/promises";
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import { resolve } from "node:path";
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const repository = process.env.DBX_GITHUB_REPOSITORY || "t8y2/dbx";
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const token = process.env.GITHUB_TOKEN;
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const apiBase = "https://api.github.com";
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const outputPath = resolve(import.meta.dirname, "../data/contributors.json");
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const headers = {
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Accept: "application/vnd.github+json",
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"X-GitHub-Api-Version": "2022-11-28",
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"User-Agent": "dbx-contributor-sync",
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...(token ? { Authorization: `Bearer ${token}` } : {}),
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};
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function nextLink(linkHeader) {
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if (!linkHeader) return null;
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for (const part of linkHeader.split(",")) {
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const [url, rel] = part.split(";").map((value) => value.trim());
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if (rel === 'rel="next"') return url.slice(1, -1);
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}
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return null;
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}
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async function request(url) {
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const response = await fetch(url, { headers });
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if (!response.ok) {
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const body = await response.text();
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throw new Error(`GitHub API ${response.status} for ${url}: ${body.slice(0, 240)}`);
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}
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return response;
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}
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async function fetchAll(path) {
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const records = [];
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let url = `${apiBase}${path}${path.includes("?") ? "&" : "?"}per_page=100`;
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while (url) {
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const response = await request(url);
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const page = await response.json();
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if (!Array.isArray(page)) throw new Error(`Expected an array from ${url}`);
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records.push(...page);
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url = nextLink(response.headers.get("Link"));
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}
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return records;
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}
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function isBot(user) {
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return !user?.login || user.type === "Bot" || user.login.endsWith("[bot]");
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}
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function updateDate(record, date) {
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if (!date) return;
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if (!record.firstContributionAt || date < record.firstContributionAt) record.firstContributionAt = date;
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if (!record.latestContributionAt || date > record.latestContributionAt) record.latestContributionAt = date;
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}
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function ensureContributor(contributors, user) {
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const key = user.login.toLowerCase();
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let contributor = contributors.get(key);
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if (!contributor) {
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contributor = {
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login: user.login,
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avatarUrl: user.avatar_url || `https://github.com/${user.login}.png`,
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profileUrl: user.html_url || `https://github.com/${user.login}`,
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commits: 0,
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mergedPullRequests: 0,
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firstContributionAt: null,
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latestContributionAt: null,
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};
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contributors.set(key, contributor);
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}
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return contributor;
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}
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const [repositoryInfo, commitContributors, pullRequests] = await Promise.all([
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request(`${apiBase}/repos/${repository}`).then((response) => response.json()),
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fetchAll(`/repos/${repository}/contributors?anon=0`),
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fetchAll(`/repos/${repository}/pulls?state=closed&sort=created&direction=desc`),
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]);
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const contributors = new Map();
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for (const pullRequest of pullRequests) {
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if (!pullRequest.merged_at || isBot(pullRequest.user)) continue;
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const contributor = ensureContributor(contributors, pullRequest.user);
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contributor.mergedPullRequests += 1;
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updateDate(contributor, pullRequest.created_at);
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updateDate(contributor, pullRequest.merged_at);
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}
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for (const entry of commitContributors) {
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if (isBot(entry)) continue;
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// Commit counts enrich merged-PR contributors but never grant eligibility alone.
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const contributor = contributors.get(entry.login.toLowerCase());
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if (contributor) contributor.commits = entry.contributions || 0;
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}
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const rankedContributors = [...contributors.values()].filter((contributor) => contributor.mergedPullRequests > 0).sort((left, right) => {
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return right.commits - left.commits || right.mergedPullRequests - left.mergedPullRequests || left.login.localeCompare(right.login);
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});
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const output = {
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repository,
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generatedAt: new Date().toISOString(),
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stars: repositoryInfo.stargazers_count || 0,
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contributors: rankedContributors,
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};
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await mkdir(resolve(outputPath, ".."), { recursive: true });
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await writeFile(outputPath, `${JSON.stringify(output, null, 2)}\n`);
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console.log(`Wrote ${rankedContributors.length} contributors to ${outputPath}`);
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