90 lines
2.9 KiB
JavaScript
90 lines
2.9 KiB
JavaScript
/**
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* 이전 Pages 배포 세대의 자산 보존 — immutable preview URL(들)의 HTML/JS/CSS 의존
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* 그래프를 따라 내려받아, 새 빌드 dist 에 없는 파일만 추가한다(기존 파일은 덮어쓰지 않는다).
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* 사용: node preserve-assets.mjs
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*/
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import { mkdir, writeFile, readFile } from "node:fs/promises";
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import { createHash } from "node:crypto";
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import path from "node:path";
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const ORIGINS = [
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"https://vignette.chanpaca.net",
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"https://5a525329.vignette-b1q.pages.dev",
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"https://e1c73735.vignette-b1q.pages.dev",
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"https://bbebb2d3.vignette-b1q.pages.dev",
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"https://44edecc8.vignette-b1q.pages.dev",
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"https://0ffdc694.vignette-b1q.pages.dev",
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"https://7bd59055.vignette-b1q.pages.dev",
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];
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const DIST = "dist";
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async function exists(p) {
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try {
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await readFile(p);
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return true;
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} catch {
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return false;
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}
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}
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async function collect(origin) {
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const seen = new Map(); // path -> sha256 hex
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const html = await (await fetch(origin + "/")).text();
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// index.html 이 참조하는 엔트리 자산
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const refs = new Set();
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for (const m of html.matchAll(/(?:src|href)="(\/[^"]+\.(?:js|css))"/g)) refs.add(m[1]);
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for (const m of html.matchAll(/(?:src|href)="(\/[^"]+\.(?:png|svg|ico|webmanifest|json|woff2?))"/g))
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refs.add(m[1]);
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// JS 청크 의존 그래프 폐쇄
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const queue = [...refs];
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while (queue.length) {
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const ref = queue.pop();
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if (seen.has(ref)) continue;
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const res = await fetch(origin + ref);
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if (!res.ok) {
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seen.set(ref, "FETCH_FAILED_" + res.status);
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continue;
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}
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const buf = Buffer.from(await res.arrayBuffer());
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seen.set(ref, createHash("sha256").update(buf).digest("hex"));
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if (ref.endsWith(".js")) {
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const text = buf.toString("utf8");
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for (const m of text.matchAll(/["'`](\.\/[A-Za-z0-9_.-]+\.(?:js|css))["'`]/g)) {
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const p = path.posix.normalize(path.posix.join(path.posix.dirname(ref), m[1]));
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if (!seen.has(p)) queue.push(p);
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}
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}
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}
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return seen;
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}
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const perOrigin = [];
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let added = 0;
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const addedList = [];
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for (const origin of ORIGINS) {
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const map = await collect(origin);
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let ok = 0;
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for (const [p, sha] of map) {
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if (sha.startsWith("FETCH_FAILED")) continue;
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const rel = p.replace(/^\//, "");
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const target = path.join(DIST, rel);
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if (await exists(target)) {
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ok += 1;
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continue;
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}
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await mkdir(path.dirname(target), { recursive: true });
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const res = await fetch(origin + p);
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await writeFile(target, Buffer.from(await res.arrayBuffer()));
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added += 1;
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addedList.push(rel);
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}
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perOrigin.push({ origin, assets: map.size, reused_in_new_build: ok });
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console.log(`origin ${origin}: ${map.size} assets, ${ok} already in new build`);
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}
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console.log(`assets_added: ${added}`);
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await writeFile(
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"preserve-report.json",
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JSON.stringify({ origins: perOrigin, assets_added: added, added: addedList }, null, 1),
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"utf8",
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);
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