Fixed 267U.pre2

2026-07-26 18:25:37 +09:00
parent 50bfaeafdf
commit 317d00a284
1286 changed files with 80222 additions and 1 deletions
@@ -0,0 +1,194 @@
+import * as parse5 from "parse5";
+import { defaultTreeAdapter as treeAdapter } from "parse5";
+import { getSubjectHostFromUriAndUsernameCached } from "../remote/resolve-user.js";
+const urlRegex = /^https?:\/\/[\w\/:%#@$&?!()\[\]~.,=+\-]+/;
+const urlRegexFull = /^https?:\/\/[\w\/:%#@$&?!()\[\]~.,=+\-]+$/;
+export async function fromHtml(html, hashtagNames) {
+    // some AP servers like Pixelfed use br tags as well as newlines
+    html = html.replace(/<br\s?\/?>\r?\n/gi, "\n");
+    const dom = parse5.parseFragment(html);
+    let text = "";
+    for (const n of dom.childNodes){
+        await analyze(n);
+    }
+    return text.trim();
+    function getText(node) {
+        if (treeAdapter.isTextNode(node)) return node.value;
+        if (!treeAdapter.isElementNode(node)) return "";
+        if (node.nodeName === "br") return "\n";
+        if (node.childNodes) {
+            return node.childNodes.map((n)=>getText(n)).join("");
+        }
+        return "";
+    }
+    async function appendChildren(childNodes) {
+        if (childNodes) {
+            for (const n of childNodes){
+                await analyze(n);
+            }
+        }
+    }
+    async function analyze(node) {
+        if (treeAdapter.isTextNode(node)) {
+            text += node.value;
+            return;
+        }
+        // Skip comment or document type node
+        if (!treeAdapter.isElementNode(node)) return;
+        // Strip quote marker
+        const classes = node.attrs.find((x)=>x.name === "class");
+        if (classes && classes.value.split(" ").includes("quote-inline")) {
+            return;
+        }
+        switch(node.nodeName){
+            case "br":
+                {
+                    text += "\n";
+                    break;
+                }
+            case "a":
+                {
+                    const txt = getText(node);
+                    const rel = node.attrs.find((x)=>x.name === "rel");
+                    const href = node.attrs.find((x)=>x.name === "href");
+                    // ハッシュタグ
+                    if (hashtagNames && href && hashtagNames.map((x)=>x.toLowerCase()).includes(txt.toLowerCase())) {
+                        text += txt;
+                    // メンション
+                    } else if (txt.startsWith("@") && !rel?.value.match(/^me /)) {
+                        const part = txt.split("@");
+                        if (part.length === 2 && href) {
+                            //#region ホスト名部分が省略されているので復元する
+                            const acct = `${txt}@${await getSubjectHostFromUriAndUsernameCached(href.value, txt)}`;
+                            text += acct;
+                        //#endregion
+                        } else if (part.length === 3) {
+                            text += txt;
+                        }
+                    // その他
+                    } else {
+                        const generateLink = ()=>{
+                            if (!(href || txt)) {
+                                return "";
+                            }
+                            if (!href) {
+                                return txt;
+                            }
+                            if (!txt || txt === href.value) {
+                                // #6383: Missing text node
+                                if (href.value.match(urlRegexFull)) {
+                                    return href.value;
+                                } else {
+                                    return `<${href.value}>`;
+                                }
+                            }
+                            if (href.value.match(urlRegex) && !href.value.match(urlRegexFull)) {
+                                return `[${txt}](<${href.value}>)`; // #6846
+                            } else {
+                                return `[${txt}](${href.value})`;
+                            }
+                        };
+                        text += generateLink();
+                    }
+                    break;
+                }
+            case "h1":
+                {
+                    text += "【";
+                    await appendChildren(node.childNodes);
+                    text += "】\n";
+                    break;
+                }
+            case "b":
+            case "strong":
+                {
+                    text += "**";
+                    await appendChildren(node.childNodes);
+                    text += "**";
+                    break;
+                }
+            case "small":
+                {
+                    text += "<small>";
+                    await appendChildren(node.childNodes);
+                    text += "</small>";
+                    break;
+                }
+            case "s":
+            case "del":
+                {
+                    text += "~~";
+                    await appendChildren(node.childNodes);
+                    text += "~~";
+                    break;
+                }
+            case "i":
+            case "em":
+                {
+                    text += "<i>";
+                    await appendChildren(node.childNodes);
+                    text += "</i>";
+                    break;
+                }
+            // block code (<pre><code>)
+            case "pre":
+                {
+                    if (node.childNodes.length === 1 && node.childNodes[0].nodeName === "code") {
+                        text += "\n```\n";
+                        text += getText(node.childNodes[0]);
+                        text += "\n```\n";
+                    } else {
+                        await appendChildren(node.childNodes);
+                    }
+                    break;
+                }
+            // inline code (<code>)
+            case "code":
+                {
+                    text += "`";
+                    await appendChildren(node.childNodes);
+                    text += "`";
+                    break;
+                }
+            case "blockquote":
+                {
+                    const t = getText(node);
+                    if (t) {
+                        text += "\n> ";
+                        text += t.split("\n").join("\n> ");
+                    }
+                    break;
+                }
+            case "p":
+            case "h2":
+            case "h3":
+            case "h4":
+            case "h5":
+            case "h6":
+                {
+                    text += "\n\n";
+                    await appendChildren(node.childNodes);
+                    break;
+                }
+            // other block elements
+            case "div":
+            case "header":
+            case "footer":
+            case "article":
+            case "li":
+            case "dt":
+            case "dd":
+                {
+                    text += "\n";
+                    await appendChildren(node.childNodes);
+                    break;
+                }
+            default:
+                {
+                    // includes inline elements
+                    await appendChildren(node.childNodes);
+                    break;
+                }
+        }
+    }
+}