refactor: use context style

src/context.ts

@@ -0,0 +1,5 @@
+export default interface Context {
+  html: HTMLRewriter
+  request: Request
+  url: URL
+}

src/index.ts

@@ -2,6 +2,7 @@ import { Hono } from "hono"
 import { requestInit } from "./config"
 import { normalize } from "./encoding"
 import summary from "./summary"
+import type Context from "./context"
 export interface Env {
   // Example binding to KV. Learn more at https://developers.cloudflare.com/workers/runtime-apis/kv/
   // MY_KV_NAMESPACE: KVNamespace;
@@ -33,7 +34,11 @@ app.get("/url", async (context) => {
   const response = (await fetch(url, requestInit(context.req.raw))) as any as Response
   url = new URL(response.url)
   const rewriter = new HTMLRewriter()
-  const summarized = summary(context.req.raw, url, rewriter)
+  const summarized = summary({
+    html: rewriter,
+    request: context.req.raw,
+    url,
+  })
   const reader = (rewriter.transform(await normalize(response)).body as ReadableStream<Uint8Array>).getReader()
   while (!(await reader.read()).done);
   return context.json(await summarized)

src/summary/amazon/description.ts

@@ -2,20 +2,22 @@ import { decode } from "html-entities"
 import clip from "summaly/built/utils/clip"
 import { BufferedTextHandler, assign } from "../common"
 import type { PrioritizedReference } from "../common"
+import type Context from "../../context"
 
-export default function getDescription(url: URL, html: HTMLRewriter) {
+export default function getDescription(context: Context) {
+  const { promise, resolve, reject } = Promise.withResolvers<string | null>()
   const result: PrioritizedReference<string | null> = {
     bits: 3, // 0-7
     priority: 0,
     content: null,
   }
-  html.on(
+  context.html.on(
     "#productDescription",
     new BufferedTextHandler((text) => {
       assign(result, 7, decode(text))
     }),
   )
-  html.on('meta[property="og:description"]', {
+  context.html.on('meta[property="og:description"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -23,7 +25,7 @@ export default function getDescription(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[name="twitter:description"]', {
+  context.html.on('meta[name="twitter:description"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -31,7 +33,7 @@ export default function getDescription(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[name="description"]', {
+  context.html.on('meta[name="description"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -39,11 +41,10 @@ export default function getDescription(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  return new Promise<string | null>((resolve) => {
+  context.html.onDocument({
-    html.onDocument({
+    end() {
-      end() {
+      resolve(result.content && clip(result.content, 300))
-        resolve(result.content && clip(result.content, 300))
+    },
-      },
-    })
   })
+  return promise
 }

src/summary/amazon/image.ts

@@ -1,14 +1,16 @@
 import { decode } from "html-entities"
 import { assign, toAbsoluteURL } from "../common"
 import type { PrioritizedReference } from "../common"
+import type Context from "../../context"
 
-export default function getImage(url: URL, html: HTMLRewriter) {
+export default function getImage(context: Context) {
+  const { promise, resolve, reject } = Promise.withResolvers<string | null>()
   const result: PrioritizedReference<string | null> = {
     bits: 4, // 0-15
     priority: 0,
     content: null,
   }
-  html.on("#landingImage", {
+  context.html.on("#landingImage", {
     element(element) {
       const content = element.getAttribute("src")
       if (content) {
@@ -16,7 +18,7 @@ export default function getImage(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[property="og:image"]', {
+  context.html.on('meta[property="og:image"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -24,7 +26,7 @@ export default function getImage(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[name="twitter:image"]', {
+  context.html.on('meta[name="twitter:image"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -32,7 +34,7 @@ export default function getImage(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('link[rel="image_src"]', {
+  context.html.on('link[rel="image_src"]', {
     element(element) {
       const content = element.getAttribute("href")
       if (content) {
@@ -40,7 +42,7 @@ export default function getImage(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('link[rel="apple-touch-icon"]', {
+  context.html.on('link[rel="apple-touch-icon"]', {
     element(element) {
       const content = element.getAttribute("href")
       if (content) {
@@ -48,7 +50,7 @@ export default function getImage(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('link[rel="apple-touch-icon image_src"]', {
+  context.html.on('link[rel="apple-touch-icon image_src"]', {
     element(element) {
       const content = element.getAttribute("href")
       if (content) {
@@ -56,11 +58,10 @@ export default function getImage(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  return new Promise<string | null>((resolve) => {
+  context.html.onDocument({
-    html.onDocument({
+    end() {
-      end() {
+      resolve(result.content ? toAbsoluteURL(result.content, context.url.href) : null)
-        resolve(result.content ? toAbsoluteURL(result.content, url.href) : null)
+    },
-      },
-    })
   })
+  return promise
 }

src/summary/amazon/index.ts

@@ -10,12 +10,13 @@ import getPlayerUrlWidth from "../general/playerUrlWidth"
 import getSiteName from "../general/siteName"
 import getTitle from "./title"
 import getSensitive from "../general/sensitive"
+import type Context from "../../context"
 
-export default function amazon(url: URL, html: HTMLRewriter) {
+export default function amazon(context: Context) {
-  const card = getCard(url, html)
+  const card = getCard(context)
-  const title = getTitle(url, html)
+  const title = getTitle(context)
-  const thumbnail = getImage(url, html)
+  const thumbnail = getImage(context)
-  const player = Promise.all([card, getPlayerUrlGeneral(url, html), getPlayerUrlCommon(url, html), getPlayerUrlWidth(url, html), getPlayerUrlHeight(url, html)]).then(([card, general, common, width, height]) => {
+  const player = Promise.all([card, getPlayerUrlGeneral(context), getPlayerUrlCommon(context), getPlayerUrlWidth(context), getPlayerUrlHeight(context)]).then(([card, general, common, width, height]) => {
     const url = (card !== "summary_large_image" && general) || common
     if (url !== null && width !== null && height !== null) {
       return {
@@ -31,10 +32,10 @@ export default function amazon(url: URL, html: HTMLRewriter) {
       }
     }
   })
-  const description = getDescription(url, html)
+  const description = getDescription(context)
-  const siteName = getSiteName(url, html)
+  const siteName = getSiteName(context)
-  const favicon = getFavicon(url, html)
+  const favicon = getFavicon(context)
-  const sensitive = getSensitive(url, html)
+  const sensitive = getSensitive(context)
 
   return Promise.all([title, thumbnail, player, description, siteName, favicon, sensitive]).then(([title, thumbnail, player, description, siteName, favicon, sensitive]) => {
     if (title === null) {
@@ -51,7 +52,7 @@ export default function amazon(url: URL, html: HTMLRewriter) {
       sitename: siteName,
       icon: favicon,
       sensitive,
-      url: url.href,
+      url: context.url.href,
     }
   })
 }

src/summary/amazon/title.ts

@@ -2,20 +2,22 @@ import { decode } from "html-entities"
 import clip from "summaly/built/utils/clip"
 import { BufferedTextHandler, assign } from "../common"
 import type { PrioritizedReference } from "../common"
+import type Context from "../../context"
 
-export default function getTitle(url: URL, html: HTMLRewriter) {
+export default function getTitle(context: Context) {
+  const { promise, resolve, reject } = Promise.withResolvers<string | null>()
   const result: PrioritizedReference<string | null> = {
     bits: 3, // 0-7
     priority: 0,
     content: null,
   }
-  html.on(
+  context.html.on(
     "#title",
     new BufferedTextHandler((text) => {
       assign(result, 7, decode(text))
     }),
   )
-  html.on('meta[property="og:title"]', {
+  context.html.on('meta[property="og:title"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -23,7 +25,7 @@ export default function getTitle(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[name="twitter:title"]', {
+  context.html.on('meta[name="twitter:title"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -31,17 +33,16 @@ export default function getTitle(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on(
+  context.html.on(
     "title",
     new BufferedTextHandler((text) => {
       assign(result, 1, decode(text))
     }),
   )
-  return new Promise<string | null>((resolve) => {
+  context.html.onDocument({
-    html.onDocument({
+    end() {
-      end() {
+      resolve(result.content && clip(result.content, 100))
-        resolve(result.content && clip(result.content, 100))
+    },
-      },
-    })
   })
+  return promise
 }

src/summary/general/card.ts

@@ -1,14 +1,16 @@
 import { decode } from "html-entities"
 import { assign } from "../common"
+import type Context from "../../context"
 import type { PrioritizedReference } from "../common"
 
-export default function getCard(url: URL, html: HTMLRewriter) {
+export default function getCard(context: Context) {
+  const { promise, resolve, reject } = Promise.withResolvers<string | null>()
   const result: PrioritizedReference<string | null> = {
     bits: 2, // 0-3
     priority: 0,
     content: null,
   }
-  html.on('meta[name="twitter:card"]', {
+  context.html.on('meta[name="twitter:card"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -16,7 +18,7 @@ export default function getCard(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[property="twitter:card"]', {
+  context.html.on('meta[property="twitter:card"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -24,11 +26,10 @@ export default function getCard(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  return new Promise<string | null>((resolve) => {
+  context.html.onDocument({
-    html.onDocument({
+    end() {
-      end() {
+      resolve(result.content)
-        resolve(result.content)
+    },
-      },
-    })
   })
+  return promise
 }

src/summary/general/description.ts

@@ -1,15 +1,17 @@
+import { decode } from "html-entities"
 import clip from "summaly/built/utils/clip"
 import { assign } from "../common"
+import type Context from "../../context"
 import type { PrioritizedReference } from "../common"
-import { decode } from "html-entities"
 
-export default function getDescription(url: URL, html: HTMLRewriter) {
+export default function getDescription(context: Context) {
+  const { promise, resolve, reject } = Promise.withResolvers<string | null>()
   const result: PrioritizedReference<string | null> = {
     bits: 2, // 0-3
     priority: 0,
     content: null,
   }
-  html.on('meta[property="og:description"]', {
+  context.html.on('meta[property="og:description"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -17,7 +19,7 @@ export default function getDescription(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[name="twitter:description"]', {
+  context.html.on('meta[name="twitter:description"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -25,7 +27,7 @@ export default function getDescription(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[name="description"]', {
+  context.html.on('meta[name="description"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -33,11 +35,10 @@ export default function getDescription(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  return new Promise<string | null>((resolve) => {
+  context.html.onDocument({
-    html.onDocument({
+    end() {
-      end() {
+      resolve(result.content && clip(result.content, 300))
-        resolve(result.content && clip(result.content, 300))
+    },
-      },
-    })
   })
+  return promise
 }

src/summary/general/favicon.ts

@@ -1,14 +1,16 @@
 import { decode } from "html-entities"
 import { assign, toAbsoluteURL } from "../common"
+import type Context from "../../context"
 import type { PrioritizedReference } from "../common"
 
-export default function getFavicon(url: URL, html: HTMLRewriter) {
+export default function getFavicon(context: Context) {
+  const { promise, resolve, reject } = Promise.withResolvers<string>()
   const result: PrioritizedReference<string> = {
     bits: 2, // 0-3
     priority: 0,
     content: "/favicon.ico",
   }
-  html.on('link[rel="shortcut icon"]', {
+  context.html.on('link[rel="shortcut icon"]', {
     element(element) {
       const content = element.getAttribute("href")
       if (content) {
@@ -16,7 +18,7 @@ export default function getFavicon(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('link[rel="icon"]', {
+  context.html.on('link[rel="icon"]', {
     element(element) {
       const content = element.getAttribute("href")
       if (content) {
@@ -24,11 +26,10 @@ export default function getFavicon(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  return new Promise<string>((resolve) => {
+  context.html.onDocument({
-    html.onDocument({
+    end() {
-      end() {
+      resolve(toAbsoluteURL(result.content, context.url.href))
-        resolve(toAbsoluteURL(result.content, url.href))
+    },
-      },
-    })
   })
+  return promise
 }

src/summary/general/image.ts

@@ -1,14 +1,16 @@
 import { decode } from "html-entities"
 import { assign, toAbsoluteURL } from "../common"
+import type Context from "../../context"
 import type { PrioritizedReference } from "../common"
 
-export default function getImage(url: URL, html: HTMLRewriter) {
+export default function getImage(context: Context) {
+  const { promise, resolve, reject } = Promise.withResolvers<string | null>()
   const result: PrioritizedReference<string | null> = {
     bits: 3, // 0-7
     priority: 0,
     content: null,
   }
-  html.on('meta[property="og:image"]', {
+  context.html.on('meta[property="og:image"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -16,7 +18,7 @@ export default function getImage(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[name="twitter:image"]', {
+  context.html.on('meta[name="twitter:image"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -24,7 +26,7 @@ export default function getImage(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('link[rel="image_src"]', {
+  context.html.on('link[rel="image_src"]', {
     element(element) {
       const content = element.getAttribute("href")
       if (content) {
@@ -32,7 +34,7 @@ export default function getImage(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('link[rel="apple-touch-icon"]', {
+  context.html.on('link[rel="apple-touch-icon"]', {
     element(element) {
       const content = element.getAttribute("href")
       if (content) {
@@ -40,7 +42,7 @@ export default function getImage(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('link[rel="apple-touch-icon image_src"]', {
+  context.html.on('link[rel="apple-touch-icon image_src"]', {
     element(element) {
       const content = element.getAttribute("href")
       if (content) {
@@ -48,11 +50,10 @@ export default function getImage(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  return new Promise<string | null>((resolve) => {
+  context.html.onDocument({
-    html.onDocument({
+    end() {
-      end() {
+      resolve(result.content ? toAbsoluteURL(result.content, context.url.href) : null)
-        resolve(result.content ? toAbsoluteURL(result.content, url.href) : null)
+    },
-      },
-    })
   })
+  return promise
 }

src/summary/general/index.ts

@@ -7,12 +7,13 @@ import getSiteName from "./siteName"
 import getTitle from "./title"
 import getSensitive from "./sensitive"
 import getPlayer, { Player } from "./player"
+import type Context from "../../context"
 
-export default function general(request: Request, url: URL, html: HTMLRewriter) {
+export default function general(context: Context) {
-  const card = getCard(url, html)
+  const card = getCard(context)
-  const title = getTitle(url, html)
+  const title = getTitle(context)
-  const image = getImage(url, html)
+  const image = getImage(context)
-  const player = Promise.all([card, getPlayer(request, url, html)]).then<Player>(([card, parsedPlayer]) => {
+  const player = Promise.all([card, getPlayer(context)]).then<Player>(([card, parsedPlayer]) => {
     return {
       url: (card !== "summary_large_image" && parsedPlayer.urlGeneral) || parsedPlayer.urlCommon,
       width: parsedPlayer.width,
@@ -20,10 +21,10 @@ export default function general(request: Request, url: URL, html: HTMLRewriter)
       allow: parsedPlayer.allow,
     }
   })
-  const description = getDescription(url, html)
+  const description = getDescription(context)
-  const siteName = getSiteName(url, html)
+  const siteName = getSiteName(context)
-  const favicon = getFavicon(url, html)
+  const favicon = getFavicon(context)
-  const sensitive = getSensitive(url, html)
+  const sensitive = getSensitive(context)
 
   return Promise.all([card, title, image, player, description, siteName, favicon, sensitive]).then(([card, title, image, player, description, siteName, favicon, sensitive]) => {
     if (title === null) {
@@ -41,7 +42,7 @@ export default function general(request: Request, url: URL, html: HTMLRewriter)
       icon: favicon,
       sensitive,
       large: card === "summary_large_image",
-      url: url.href,
+      url: context.url.href,
     }
   })
 }

src/summary/general/player.ts

@@ -3,6 +3,7 @@ import getPlayerUrlCommon from "./playerUrlCommon"
 import getPlayerUrlGeneral from "./playerUrlGeneral"
 import getPlayerUrlHeight from "./playerUrlHeight"
 import getPlayerUrlWidth from "./playerUrlWidth"
+import type Context from "../../context"
 
 export interface Player {
   url: string | null
@@ -16,12 +17,12 @@ export interface ParsedPlayer extends Omit<Player, "url"> {
   urlGeneral: string | null
 }
 
-export default function getPlayer(request: Request, url: URL, html: HTMLRewriter): Promise<ParsedPlayer> {
+export default function getPlayer(context: Context): Promise<ParsedPlayer> {
-  const oEmbed = getPlayerOEmbed(request, url, html)
+  const oEmbed = getPlayerOEmbed(context)
-  const urlGeneral = getPlayerUrlGeneral(url, html)
+  const urlGeneral = getPlayerUrlGeneral(context)
-  const urlCommon = getPlayerUrlCommon(url, html)
+  const urlCommon = getPlayerUrlCommon(context)
-  const width = getPlayerUrlWidth(url, html)
+  const width = getPlayerUrlWidth(context)
-  const height = getPlayerUrlHeight(url, html)
+  const height = getPlayerUrlHeight(context)
 
   return Promise.all([oEmbed, urlGeneral, urlCommon, width, height]).then(([oEmbed, urlGeneral, urlCommon, width, height]) => {
     if (oEmbed) {

src/summary/general/playerOEmbed.ts

@@ -2,6 +2,7 @@ import { decode } from "html-entities"
 import { z } from "zod"
 import { requestInit } from "../../config"
 import { assign, PrioritizedReference } from "../common"
+import type Context from "../../context"
 import type { ParsedPlayer } from "./player"
 
 const oEmbedBase = z.object({
@@ -41,7 +42,7 @@ const oEmbed = z.union([
   }),
 ])
 
-export default function getPlayerOEmbed(request: Request, url: URL, html: HTMLRewriter) {
+export default function getPlayerOEmbed(context: Context) {
   const { promise, resolve, reject } = Promise.withResolvers<ParsedPlayer>()
   const result: PrioritizedReference<ParsedPlayer> = {
     bits: 1, // 0-1
@@ -54,7 +55,7 @@ export default function getPlayerOEmbed(request: Request, url: URL, html: HTMLRe
       allow: [],
     },
   }
-  html.on('link[type="application/json+oembed"]', {
+  context.html.on('link[type="application/json+oembed"]', {
     async element(element) {
       const oEmbedHref = decode(element.getAttribute("href") ?? "")
       if (!oEmbedHref) {
@@ -62,7 +63,7 @@ export default function getPlayerOEmbed(request: Request, url: URL, html: HTMLRe
       }
       let init: RequestInit
       try {
-        init = requestInit(request)
+        init = requestInit(context.request)
       } catch (e) {
         reject(e)
         return
@@ -120,7 +121,7 @@ export default function getPlayerOEmbed(request: Request, url: URL, html: HTMLRe
       }
     },
   })
-  html.onDocument({
+  context.html.onDocument({
     end() {
       resolve(result.content)
     },

src/summary/general/playerUrlCommon.ts

@@ -1,14 +1,16 @@
 import { decode } from "html-entities"
 import { assign, toAbsoluteURL } from "../common"
+import type Context from "../../context"
 import type { PrioritizedReference } from "../common"
 
-export default function getPlayerUrlCommon(url: URL, html: HTMLRewriter) {
+export default function getPlayerUrlCommon(context: Context) {
+  const { promise, resolve, reject } = Promise.withResolvers<string | null>()
   const result: PrioritizedReference<string | null> = {
     bits: 2, // 0-3
     priority: 0,
     content: null,
   }
-  html.on('meta[property="og:video"]', {
+  context.html.on('meta[property="og:video"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -16,7 +18,7 @@ export default function getPlayerUrlCommon(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[property="og:video:secure_url"]', {
+  context.html.on('meta[property="og:video:secure_url"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -24,7 +26,7 @@ export default function getPlayerUrlCommon(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[property="og:video:url"]', {
+  context.html.on('meta[property="og:video:url"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -32,11 +34,10 @@ export default function getPlayerUrlCommon(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  return new Promise<string | null>((resolve) => {
+  context.html.onDocument({
-    html.onDocument({
+    end() {
-      end() {
+      resolve(result.content ? toAbsoluteURL(result.content, context.url.href) : null)
-        resolve(result.content ? toAbsoluteURL(result.content, url.href) : null)
+    },
-      },
-    })
   })
+  return promise
 }

src/summary/general/playerUrlGeneral.ts

@@ -1,14 +1,16 @@
 import { decode } from "html-entities"
 import { assign, toAbsoluteURL } from "../common"
+import type Context from "../../context"
 import type { PrioritizedReference } from "../common"
 
-export default function getPlayerUrlGeneral(url: URL, html: HTMLRewriter) {
+export default function getPlayerUrlGeneral(context: Context) {
+  const { promise, resolve, reject } = Promise.withResolvers<string | null>()
   const result: PrioritizedReference<string | null> = {
     bits: 2, // 0-3
     priority: 0,
     content: null,
   }
-  html.on('meta[property="twitter:player"]', {
+  context.html.on('meta[property="twitter:player"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -16,7 +18,7 @@ export default function getPlayerUrlGeneral(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[name="twitter:player"]', {
+  context.html.on('meta[name="twitter:player"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -24,11 +26,10 @@ export default function getPlayerUrlGeneral(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  return new Promise<string | null>((resolve) => {
+  context.html.onDocument({
-    html.onDocument({
+    end() {
-      end() {
+      resolve(result.content ? toAbsoluteURL(result.content, context.url.href) : null)
-        resolve(result.content ? toAbsoluteURL(result.content, url.href) : null)
+    },
-      },
-    })
   })
+  return promise
 }

src/summary/general/playerUrlHeight.ts

@@ -1,14 +1,16 @@
 import { decode } from "html-entities"
 import { assign } from "../common"
+import type Context from "../../context"
 import type { PrioritizedReference } from "../common"
 
-export default function getPlayerUrlHeight(url: URL, html: HTMLRewriter) {
+export default function getPlayerUrlHeight(context: Context) {
+  const { promise, resolve, reject } = Promise.withResolvers<number | null>()
   const result: PrioritizedReference<string | null> = {
     bits: 2, // 0-3
     priority: 0,
     content: null,
   }
-  html.on('meta[property="twitter:player:height"]', {
+  context.html.on('meta[property="twitter:player:height"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -16,7 +18,7 @@ export default function getPlayerUrlHeight(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[name="twitter:player:height"]', {
+  context.html.on('meta[name="twitter:player:height"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -24,7 +26,7 @@ export default function getPlayerUrlHeight(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[property="og:video:height"]', {
+  context.html.on('meta[property="og:video:height"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -32,12 +34,11 @@ export default function getPlayerUrlHeight(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  return new Promise<number | null>((resolve) => {
+  context.html.onDocument({
-    html.onDocument({
+    end() {
-      end() {
+      const content = parseInt(result.content!, 10)
-        const content = parseInt(result.content!, 10)
+      resolve(Number.isNaN(content) ? null : content)
-        resolve(Number.isNaN(content) ? null : content)
+    },
-      },
-    })
   })
+  return promise
 }

src/summary/general/playerUrlWidth.ts

@@ -1,14 +1,16 @@
 import { decode } from "html-entities"
 import { assign } from "../common"
+import type Context from "../../context"
 import type { PrioritizedReference } from "../common"
 
-export default function getPlayerUrlWidth(url: URL, html: HTMLRewriter) {
+export default function getPlayerUrlWidth(context: Context) {
+  const { promise, resolve, reject } = Promise.withResolvers<number | null>()
   const result: PrioritizedReference<string | null> = {
     bits: 2, // 0-3
     priority: 0,
     content: null,
   }
-  html.on('meta[property="twitter:player:width"]', {
+  context.html.on('meta[property="twitter:player:width"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -16,7 +18,7 @@ export default function getPlayerUrlWidth(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[name="twitter:player:width"]', {
+  context.html.on('meta[name="twitter:player:width"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -24,7 +26,7 @@ export default function getPlayerUrlWidth(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[property="og:video:width"]', {
+  context.html.on('meta[property="og:video:width"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -32,12 +34,11 @@ export default function getPlayerUrlWidth(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  return new Promise<number | null>((resolve) => {
+  context.html.onDocument({
-    html.onDocument({
+    end() {
-      end() {
+      const content = parseInt(result.content!, 10)
-        const content = parseInt(result.content!, 10)
+      resolve(Number.isNaN(content) ? null : content)
-        resolve(Number.isNaN(content) ? null : content)
+    },
-      },
-    })
   })
+  return promise
 }

src/summary/general/sensitive.ts

@@ -1,22 +1,23 @@
 import { assign } from "../common"
+import type Context from "../../context"
 import type { PrioritizedReference } from "../common"
 
-export default function getSensitive(url: URL, html: HTMLRewriter) {
+export default function getSensitive(context: Context) {
+  const { promise, resolve, reject } = Promise.withResolvers<boolean>()
   const result: PrioritizedReference<boolean> = {
     bits: 1, // 0-1
     priority: 0,
     content: false,
   }
-  html.on('.tweet[data-possibly-sensitive="true"]', {
+  context.html.on('.tweet[data-possibly-sensitive="true"]', {
     element() {
       assign(result, 1, true)
     },
   })
-  return new Promise<boolean>((resolve) => {
+  context.html.onDocument({
-    html.onDocument({
+    end() {
-      end() {
+      resolve(result.content)
-        resolve(result.content)
+    },
-      },
-    })
   })
+  return promise
 }

src/summary/general/siteName.ts

@@ -1,14 +1,16 @@
 import { decode } from "html-entities"
 import { assign } from "../common"
+import type Context from "../../context"
 import type { PrioritizedReference } from "../common"
 
-export default function getSiteName(url: URL, html: HTMLRewriter) {
+export default function getSiteName(context: Context) {
+  const { promise, resolve, reject } = Promise.withResolvers<string | null>()
   const result: PrioritizedReference<string | null> = {
     bits: 2, // 0-3
     priority: 0,
-    content: url.hostname,
+    content: context.url.hostname,
   }
-  html.on('meta[property="og:site_name"]', {
+  context.html.on('meta[property="og:site_name"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -16,7 +18,7 @@ export default function getSiteName(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[name="application-name"]', {
+  context.html.on('meta[name="application-name"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -24,11 +26,10 @@ export default function getSiteName(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  return new Promise<string | null>((resolve) => {
+  context.html.onDocument({
-    html.onDocument({
+    end() {
-      end() {
+      resolve(result.content)
-        resolve(result.content)
+    },
-      },
-    })
   })
+  return promise
 }

src/summary/general/title.ts

@@ -1,15 +1,17 @@
 import { decode } from "html-entities"
 import clip from "summaly/built/utils/clip"
 import { BufferedTextHandler, assign } from "../common"
+import type Context from "../../context"
 import type { PrioritizedReference } from "../common"
 
-export default function getTitle(url: URL, html: HTMLRewriter) {
+export default function getTitle(context: Context) {
+  const { promise, resolve, reject } = Promise.withResolvers<string | null>()
   const result: PrioritizedReference<string | null> = {
     bits: 2, // 0-3
     priority: 0,
     content: null,
   }
-  html.on('meta[property="og:title"]', {
+  context.html.on('meta[property="og:title"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -17,7 +19,7 @@ export default function getTitle(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on('meta[name="twitter:title"]', {
+  context.html.on('meta[name="twitter:title"]', {
     element(element) {
       const content = element.getAttribute("content")
       if (content) {
@@ -25,17 +27,16 @@ export default function getTitle(url: URL, html: HTMLRewriter) {
       }
     },
   })
-  html.on(
+  context.html.on(
     "title",
     new BufferedTextHandler((text) => {
       assign(result, 1, decode(text))
     }),
   )
-  return new Promise<string | null>((resolve) => {
+  context.html.onDocument({
-    html.onDocument({
+    end() {
-      end() {
+      resolve(result.content && clip(result.content, 100))
-        resolve(result.content && clip(result.content, 100))
+    },
-      },
-    })
   })
+  return promise
 }

src/summary/index.ts

@@ -1,13 +1,14 @@
 import amazon from "./amazon"
 import general from "./general"
 import wikipedia from "./wikipedia"
+import type Context from "../context"
 
-export default function summary(request: Request, url: URL, html: HTMLRewriter) {
+export default function summary(context: Context) {
-  if (url.hostname === "www.amazon.com" || url.hostname === "www.amazon.co.jp" || url.hostname === "www.amazon.ca" || url.hostname === "www.amazon.com.br" || url.hostname === "www.amazon.com.mx" || url.hostname === "www.amazon.co.uk" || url.hostname === "www.amazon.de" || url.hostname === "www.amazon.fr" || url.hostname === "www.amazon.it" || url.hostname === "www.amazon.es" || url.hostname === "www.amazon.nl" || url.hostname === "www.amazon.cn" || url.hostname === "www.amazon.in" || url.hostname === "www.amazon.au") {
+  if (context.url.hostname === "www.amazon.com" || context.url.hostname === "www.amazon.co.jp" || context.url.hostname === "www.amazon.ca" || context.url.hostname === "www.amazon.com.br" || context.url.hostname === "www.amazon.com.mx" || context.url.hostname === "www.amazon.co.uk" || context.url.hostname === "www.amazon.de" || context.url.hostname === "www.amazon.fr" || context.url.hostname === "www.amazon.it" || context.url.hostname === "www.amazon.es" || context.url.hostname === "www.amazon.nl" || context.url.hostname === "www.amazon.cn" || context.url.hostname === "www.amazon.in" || context.url.hostname === "www.amazon.au") {
-    return amazon(url, html)
+    return amazon(context)
   }
-  if (`.${url.hostname}`.endsWith(".wikipedia.org")) {
+  if (`.${context.url.hostname}`.endsWith(".wikipedia.org")) {
-    return wikipedia(url, html)
+    return wikipedia(context)
   }
-  return general(request, url, html)
+  return general(context)
 }

src/summary/wikipedia/index.ts

@@ -1,10 +1,12 @@
 import clip from "summaly/built/utils/clip"
+import { requestInit } from "../../config"
+import type Context from "../../context"
 
-export default async function wikipedia(url: URL, html: HTMLRewriter) {
+export default async function wikipedia(context: Context) {
-  const lang = url.hostname.split(".")[0]
+  const lang = context.url.hostname.split(".")[0]
-  const title = url.pathname.split("/")[2]
+  const title = context.url.pathname.split("/")[2]
-  const response = await fetch(`https://${lang}.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro=&explaintext=&titles=${title}`)
+  const response = await fetch(`https://${lang}.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro=&explaintext=&titles=${title}`, requestInit(context.request))
-  const json = await response.json<any>()
+  const json: any = await response.json()
   const info = json.query.pages[Object.keys(json.query.pages)[0]]
   return {
     title: info.title,
@@ -15,8 +17,9 @@ export default async function wikipedia(url: URL, html: HTMLRewriter) {
       url: null,
       width: null,
       height: null,
+      allow: [],
     },
     sitename: "Wikipedia",
-    url: url.href,
+    url: context.url.href,
   }
 }