feat(beholder)!: expand meta extraction with frontmatter-keys schema and Wappalyzer tag detection#878
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…and Wappalyzer tag detection
BREAKING CHANGE: `Meta` is restructured from flat keys (`noindex`, `canonical`,
`'og:type'`, `'twitter:card'`, ...) into a nested shape backed by
`frontmatter-keys.md`. New required fields: `title`, `jsonLd`,
`speculationRules`, `originTrial`, `tags`, `others`. `getMeta(page)` now takes
a context object `getMeta(page, { url, html?, statusCode?, headers? }, timeout?)`.
Old top-level shortcuts (`canonical`, `alternate`, `noindex`, `nofollow`,
`noarchive`, `'og:*'`, `'twitter:card'`) are removed; values move to
`meta.link.canonical`, `meta.robots.*`, `meta.og.*`, `meta.twitter.*` etc.
Changes:
- New `src/meta/` module: `types.ts`, `keys.ts`, `parsers.ts`, `classify.ts`,
`id-extractors.ts`, `tag-detection.ts`, plus ambient `simple-wappalyzer.d.ts`
- Browser-side `collectHead()` serializes every `<meta>`, `<link>`, structured-data
`<script>`, `<base>`, `<iframe>` plus a curated set of `window` globals into
`RawHeadEntry[]`; Node-side `classify()` maps these to typed Meta fields
- `simple-wappalyzer` (MIT) added as a dependency for technology detection;
detected providers run through `id-extractors.ts` for real ID extraction
(GA4, GTM, UA, FB Pixel, Hotjar, Clarity, ...)
- Unknown markup is preserved under `Meta.others` (meta/property/httpEquiv/
itemprop/link/script/iframe buckets) so nothing is silently dropped
- Tests: parsers/classify/id-extractors/tag-detection units + getMeta
error/timeout fallback
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Summary
<head>から取得する meta 情報をfrontmatter-keys.md仕様で全面拡張。フラットキー ('og:type',noindex等) からネスト構造 (og.type,robots.noindex等) に再設計。約 500 のキーをホワイトリストで型付き取得、未知キーはMeta.othersに漏れなく保持simple-wappalyzer(MIT) を依存に追加し、~2000 の技術スタックを検出。検出 provider をトリガーにid-extractors.tsで GA4/GTM/UA/FB Pixel/Hotjar/Clarity 等の実 ID を抽出してMeta.tagsに格納collectHead()で属性タプル列を返し、Node 側classify()で純粋関数として分類するアーキテクチャに変更。raceWithTimeout内で並列実行Breaking Changes
@d-zero/beholderのMeta型とgetMeta()の API が破壊的に変わりました。Major bump (2.x→3.0.0) が必要です。meta.canonicalmeta.link?.canonicalmeta.alternatemeta.link?.alternateHreflang(配列) など type/media で分岐meta.noindexmeta.robots?.noindexmeta.nofollowmeta.robots?.nofollowmeta.noarchivemeta.robots?.noarchivemeta['og:type']meta.og?.typemeta['og:title']meta.og?.titlemeta['og:url']meta.og?.urlmeta['og:site_name']meta.og?.siteNamemeta['og:description']meta.og?.descriptionmeta['og:image']meta.og?.image(配列)meta['twitter:card']meta.twitter?.cardgetMeta(page, timeout?)getMeta(page, { url, html?, statusCode?, headers? }, timeout?)新しい required フィールド:
title,jsonLd,speculationRules,originTrial,tags,others。それ以外は optional。New capabilities
JSON.parse済みで取得 (パース失敗時はparseError付き raw を保持)Meta.tags: Wappalyzer カテゴリ別に技術スタックを集計、entries[]でフラットリストMeta.others: 未知の meta name / property / http-equiv / itemprop / link rel / script type / iframe を全件保持Test plan
yarn lint通過 (cspell 辞書に meta tag 関連の特殊用語を追加)yarn build通過 (27 packages)yarn test通過 (757 tests including 119 new tests for meta extraction)