Fix a variety of issues with HTML → Markdown conversion (#8004)
* Fix a variety of issues with HTML → Markdown conversion Signed-off-by: Robin Townsend <robin@robin.town> * Fix lint Signed-off-by: Robin Townsend <robin@robin.town> * Fix @room pill formatting not being applied to link text Signed-off-by: Robin Townsend <robin@robin.town>
This commit is contained in:
Robin
GitHub
parent
65691202f7
commit
c10ac9e4a0
3 changed files with 422 additions and 260 deletions
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@ -17,190 +17,110 @@ limitations under the License.
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import { MatrixEvent } from "matrix-js-sdk/src/models/event";
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import { walkDOMDepthFirst } from "./dom";
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import { checkBlockNode } from "../HtmlUtils";
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import { getPrimaryPermalinkEntity } from "../utils/permalinks/Permalinks";
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import { Part, PartCreator, Type } from "./parts";
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import SdkConfig from "../SdkConfig";
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import { textToHtmlRainbow } from "../utils/colour";
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function parseAtRoomMentions(text: string, partCreator: PartCreator): Part[] {
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const LIST_TYPES = ["UL", "OL", "LI"];
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// Escapes all markup in the given text
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function escape(text: string): string {
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return text.replace(/[\\*_[\]`<]|^>/g, match => `\\${match}`);
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}
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// Finds the length of the longest backtick sequence in the given text, used for
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// escaping backticks in code blocks
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function longestBacktickSequence(text: string): number {
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let length = 0;
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let currentLength = 0;
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for (const c of text) {
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if (c === "`") {
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currentLength++;
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} else {
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length = Math.max(length, currentLength);
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currentLength = 0;
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}
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}
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return Math.max(length, currentLength);
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}
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function isListChild(n: Node): boolean {
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return LIST_TYPES.includes(n.parentNode?.nodeName);
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}
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function parseAtRoomMentions(text: string, pc: PartCreator): Part[] {
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const ATROOM = "@room";
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const parts: Part[] = [];
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text.split(ATROOM).forEach((textPart, i, arr) => {
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if (textPart.length) {
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parts.push(...partCreator.plainWithEmoji(textPart));
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parts.push(...pc.plainWithEmoji(escape(textPart)));
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}
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// it's safe to never append @room after the last textPart
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// as split will report an empty string at the end if
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// `text` ended in @room.
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const isLast = i === arr.length - 1;
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if (!isLast) {
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parts.push(partCreator.atRoomPill(ATROOM));
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parts.push(pc.atRoomPill(ATROOM));
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}
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});
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return parts;
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}
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function parseLink(a: HTMLAnchorElement, partCreator: PartCreator): Part[] {
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const { href } = a;
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function parseLink(n: Node, pc: PartCreator): Part[] {
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const { href } = n as HTMLAnchorElement;
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const resourceId = getPrimaryPermalinkEntity(href); // The room/user ID
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const prefix = resourceId ? resourceId[0] : undefined; // First character of ID
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switch (prefix) {
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case "@":
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return [partCreator.userPill(a.textContent, resourceId)];
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case "#":
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return [partCreator.roomPill(resourceId)];
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default: {
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if (href === a.textContent) {
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return partCreator.plainWithEmoji(a.textContent);
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} else {
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return partCreator.plainWithEmoji(`[${a.textContent.replace(/[[\\\]]/g, c => "\\" + c)}](${href})`);
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}
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}
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switch (resourceId?.[0]) {
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case "@": return [pc.userPill(n.textContent, resourceId)];
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case "#": return [pc.roomPill(resourceId)];
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}
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const children = Array.from(n.childNodes);
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if (href === n.textContent && children.every(c => c.nodeType === Node.TEXT_NODE)) {
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return parseAtRoomMentions(n.textContent, pc);
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} else {
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return [pc.plain("["), ...parseChildren(n, pc), pc.plain(`](${href})`)];
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}
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}
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function parseImage(img: HTMLImageElement, partCreator: PartCreator): Part[] {
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const { src } = img;
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return partCreator.plainWithEmoji(`![${img.alt.replace(/[[\\\]]/g, c => "\\" + c)}](${src})`);
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function parseImage(n: Node, pc: PartCreator): Part[] {
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const { alt, src } = n as HTMLImageElement;
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return pc.plainWithEmoji(``);
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}
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function parseCodeBlock(n: HTMLElement, partCreator: PartCreator): Part[] {
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const parts: Part[] = [];
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function parseCodeBlock(n: Node, pc: PartCreator): Part[] {
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let language = "";
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if (n.firstChild && n.firstChild.nodeName === "CODE") {
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for (const className of (<HTMLElement>n.firstChild).classList) {
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if (n.firstChild?.nodeName === "CODE") {
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for (const className of (n.firstChild as HTMLElement).classList) {
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if (className.startsWith("language-") && !className.startsWith("language-_")) {
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language = className.substr("language-".length);
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break;
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}
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}
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}
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const preLines = ("```" + language + "\n" + n.textContent + "```").split("\n");
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preLines.forEach((l, i) => {
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parts.push(...partCreator.plainWithEmoji(l));
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if (i < preLines.length - 1) {
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parts.push(partCreator.newline());
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}
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const text = n.textContent.replace(/\n$/, "");
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// Escape backticks by using even more backticks for the fence if necessary
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const fence = "`".repeat(Math.max(3, longestBacktickSequence(text) + 1));
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const parts: Part[] = [...pc.plainWithEmoji(fence + language), pc.newline()];
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text.split("\n").forEach(line => {
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parts.push(...pc.plainWithEmoji(line));
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parts.push(pc.newline());
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});
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parts.push(pc.plain(fence));
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return parts;
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}
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function parseHeader(el: HTMLElement, partCreator: PartCreator): Part {
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const depth = parseInt(el.nodeName.substr(1), 10);
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return partCreator.plain("#".repeat(depth) + " ");
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}
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interface IState {
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listIndex: number[];
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listDepth?: number;
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}
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function parseElement(
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n: HTMLElement,
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partCreator: PartCreator,
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lastNode: Node | undefined,
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state: IState,
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): Part | Part[] {
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switch (n.nodeName) {
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case "H1":
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case "H2":
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case "H3":
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case "H4":
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case "H5":
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case "H6":
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return parseHeader(n, partCreator);
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case "A":
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return parseLink(<HTMLAnchorElement>n, partCreator);
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case "IMG":
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return parseImage(<HTMLImageElement>n, partCreator);
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case "BR":
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return partCreator.newline();
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case "HR":
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// the newline arrangement here is quite specific otherwise it may be misconstrued as marking the previous
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// text line as a header instead of acting as a horizontal rule.
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return [
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partCreator.newline(),
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partCreator.plain("---"),
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partCreator.newline(),
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];
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case "EM":
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return partCreator.plainWithEmoji(`_${n.textContent}_`);
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case "STRONG":
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return partCreator.plainWithEmoji(`**${n.textContent}**`);
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case "PRE":
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return parseCodeBlock(n, partCreator);
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case "CODE":
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return partCreator.plainWithEmoji(`\`${n.textContent}\``);
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case "DEL":
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return partCreator.plainWithEmoji(`<del>${n.textContent}</del>`);
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case "SUB":
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return partCreator.plainWithEmoji(`<sub>${n.textContent}</sub>`);
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case "SUP":
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return partCreator.plainWithEmoji(`<sup>${n.textContent}</sup>`);
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case "U":
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return partCreator.plainWithEmoji(`<u>${n.textContent}</u>`);
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case "LI": {
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const BASE_INDENT = 4;
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const depth = state.listDepth - 1;
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const indent = " ".repeat(BASE_INDENT * depth);
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if (n.parentElement.nodeName === "OL") {
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// The markdown parser doesn't do nested indexed lists at all, but this supports it anyway.
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const index = state.listIndex[state.listIndex.length - 1];
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state.listIndex[state.listIndex.length - 1] += 1;
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return partCreator.plain(`${indent}${index}. `);
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} else {
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return partCreator.plain(`${indent}- `);
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}
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}
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case "P": {
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if (lastNode) {
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return partCreator.newline();
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}
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break;
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}
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case "DIV":
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case "SPAN": {
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// math nodes are translated back into delimited latex strings
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if (n.hasAttribute("data-mx-maths")) {
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const delimLeft = (n.nodeName == "SPAN") ?
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((SdkConfig.get()['latex_maths_delims'] || {})['inline'] || {})['left'] || "\\(" :
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((SdkConfig.get()['latex_maths_delims'] || {})['display'] || {})['left'] || "\\[";
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const delimRight = (n.nodeName == "SPAN") ?
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((SdkConfig.get()['latex_maths_delims'] || {})['inline'] || {})['right'] || "\\)" :
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((SdkConfig.get()['latex_maths_delims'] || {})['display'] || {})['right'] || "\\]";
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const tex = n.getAttribute("data-mx-maths");
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return partCreator.plainWithEmoji(delimLeft + tex + delimRight);
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} else if (!checkDescendInto(n)) {
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return partCreator.plainWithEmoji(n.textContent);
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}
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break;
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}
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case "OL":
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state.listIndex.push((<HTMLOListElement>n).start || 1);
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/* falls through */
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case "UL":
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state.listDepth = (state.listDepth || 0) + 1;
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/* falls through */
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default:
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// don't textify block nodes we'll descend into
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if (!checkDescendInto(n)) {
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return partCreator.plainWithEmoji(n.textContent);
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}
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}
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}
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function checkDescendInto(node) {
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switch (node.nodeName) {
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case "PRE":
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// a code block is textified in parseCodeBlock
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// as we don't want to preserve markup in it,
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// so no need to descend into it
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return false;
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default:
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return checkBlockNode(node);
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}
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function parseHeader(n: Node, pc: PartCreator): Part[] {
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const depth = parseInt(n.nodeName.substr(1), 10);
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const prefix = pc.plain("#".repeat(depth) + " ");
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return [prefix, ...parseChildren(n, pc)];
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}
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function checkIgnored(n) {
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@ -214,144 +134,169 @@ function checkIgnored(n) {
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return true;
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}
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const QUOTE_LINE_PREFIX = "> ";
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function prefixQuoteLines(isFirstNode, parts, partCreator) {
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// a newline (to append a > to) wouldn't be added to parts for the first line
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// if there was no content before the BLOCKQUOTE, so handle that
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if (isFirstNode) {
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parts.splice(0, 0, partCreator.plain(QUOTE_LINE_PREFIX));
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}
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for (let i = 0; i < parts.length; i += 1) {
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function prefixLines(parts: Part[], prefix: string, pc: PartCreator) {
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parts.unshift(pc.plain(prefix));
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for (let i = 0; i < parts.length; i++) {
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if (parts[i].type === Type.Newline) {
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parts.splice(i + 1, 0, partCreator.plain(QUOTE_LINE_PREFIX));
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parts.splice(i + 1, 0, pc.plain(prefix));
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i += 1;
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}
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}
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}
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function parseHtmlMessage(html: string, partCreator: PartCreator, isQuotedMessage: boolean): Part[] {
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function parseChildren(n: Node, pc: PartCreator, mkListItem?: (li: Node) => Part[]): Part[] {
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let prev;
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return Array.from(n.childNodes).flatMap(c => {
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const parsed = parseNode(c, pc, mkListItem);
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if (parsed.length && prev && (checkBlockNode(prev) || checkBlockNode(c))) {
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if (isListChild(c)) {
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// Use tighter spacing within lists
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parsed.unshift(pc.newline());
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} else {
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parsed.unshift(pc.newline(), pc.newline());
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}
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}
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if (parsed.length) prev = c;
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return parsed;
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});
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}
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function parseNode(n: Node, pc: PartCreator, mkListItem?: (li: Node) => Part[]): Part[] {
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if (checkIgnored(n)) return [];
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switch (n.nodeType) {
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case Node.TEXT_NODE:
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return parseAtRoomMentions(n.nodeValue, pc);
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case Node.ELEMENT_NODE:
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switch (n.nodeName) {
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case "H1":
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case "H2":
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case "H3":
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case "H4":
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case "H5":
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case "H6":
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return parseHeader(n, pc);
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case "A":
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return parseLink(n, pc);
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case "IMG":
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return parseImage(n, pc);
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case "BR":
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return [pc.newline()];
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case "HR":
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return [pc.plain("---")];
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case "EM":
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return [pc.plain("_"), ...parseChildren(n, pc), pc.plain("_")];
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case "STRONG":
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return [pc.plain("**"), ...parseChildren(n, pc), pc.plain("**")];
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case "DEL":
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return [pc.plain("<del>"), ...parseChildren(n, pc), pc.plain("</del>")];
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case "SUB":
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return [pc.plain("<sub>"), ...parseChildren(n, pc), pc.plain("</sub>")];
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case "SUP":
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return [pc.plain("<sup>"), ...parseChildren(n, pc), pc.plain("</sup>")];
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case "U":
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return [pc.plain("<u>"), ...parseChildren(n, pc), pc.plain("</u>")];
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case "PRE":
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return parseCodeBlock(n, pc);
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case "CODE": {
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// Escape backticks by using multiple backticks for the fence if necessary
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const fence = "`".repeat(longestBacktickSequence(n.textContent) + 1);
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return pc.plainWithEmoji(`${fence}${n.textContent}${fence}`);
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}
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case "BLOCKQUOTE": {
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const parts = parseChildren(n, pc);
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prefixLines(parts, "> ", pc);
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return parts;
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}
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case "LI":
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return mkListItem?.(n) ?? parseChildren(n, pc);
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case "UL": {
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const parts = parseChildren(n, pc, li => [pc.plain("- "), ...parseChildren(li, pc)]);
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if (isListChild(n)) {
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prefixLines(parts, " ", pc);
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}
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return parts;
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}
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case "OL": {
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let counter = 1;
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const parts = parseChildren(n, pc, li => {
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const parts = [pc.plain(`${counter}. `), ...parseChildren(li, pc)];
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counter++;
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return parts;
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});
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if (isListChild(n)) {
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prefixLines(parts, " ", pc);
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}
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return parts;
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}
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case "DIV":
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case "SPAN":
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// Math nodes are translated back into delimited latex strings
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if ((n as Element).hasAttribute("data-mx-maths")) {
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const delims = SdkConfig.get().latex_maths_delims;
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const delimLeft = (n.nodeName === "SPAN") ?
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delims?.inline?.left ?? "\\(" :
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delims?.display?.left ?? "\\[";
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const delimRight = (n.nodeName === "SPAN") ?
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delims?.inline?.right ?? "\\)" :
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delims?.display?.right ?? "\\]";
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const tex = (n as Element).getAttribute("data-mx-maths");
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return pc.plainWithEmoji(`${delimLeft}${tex}${delimRight}`);
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}
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}
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}
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return parseChildren(n, pc);
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}
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function parseHtmlMessage(html: string, pc: PartCreator, isQuotedMessage: boolean): Part[] {
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// no nodes from parsing here should be inserted in the document,
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// as scripts in event handlers, etc would be executed then.
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// we're only taking text, so that is fine
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const rootNode = new DOMParser().parseFromString(html, "text/html").body;
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const parts: Part[] = [];
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let lastNode: Node;
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let inQuote = isQuotedMessage;
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const state: IState = {
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listIndex: [],
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};
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function onNodeEnter(n: Node) {
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if (checkIgnored(n)) {
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return false;
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}
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if (n.nodeName === "BLOCKQUOTE") {
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inQuote = true;
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}
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const newParts: Part[] = [];
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if (lastNode && (checkBlockNode(lastNode) || checkBlockNode(n))) {
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newParts.push(partCreator.newline());
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}
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if (n.nodeType === Node.TEXT_NODE) {
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let { nodeValue } = n;
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// Sometimes commonmark adds a newline at the end of the list item text
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if (n.parentNode.nodeName === "LI") {
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nodeValue = nodeValue.trimEnd();
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}
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newParts.push(...parseAtRoomMentions(nodeValue, partCreator));
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const grandParent = n.parentNode.parentNode;
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const isTight = n.parentNode.nodeName !== "P" || grandParent?.nodeName !== "LI";
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if (!isTight) {
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newParts.push(partCreator.newline());
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}
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} else if (n.nodeType === Node.ELEMENT_NODE) {
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const parseResult = parseElement(n as HTMLElement, partCreator, lastNode, state);
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if (parseResult) {
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if (Array.isArray(parseResult)) {
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newParts.push(...parseResult);
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} else {
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newParts.push(parseResult);
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}
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}
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}
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if (newParts.length && inQuote) {
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const isFirstPart = parts.length === 0;
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prefixQuoteLines(isFirstPart, newParts, partCreator);
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||||
}
|
||||
|
||||
parts.push(...newParts);
|
||||
|
||||
const descend = checkDescendInto(n);
|
||||
// when not descending (like for PRE), onNodeLeave won't be called to set lastNode
|
||||
// so do that here.
|
||||
lastNode = descend ? null : n;
|
||||
return descend;
|
||||
const parts = parseNode(new DOMParser().parseFromString(html, "text/html").body, pc);
|
||||
if (isQuotedMessage) {
|
||||
prefixLines(parts, "> ", pc);
|
||||
}
|
||||
|
||||
function onNodeLeave(n: Node) {
|
||||
if (checkIgnored(n)) {
|
||||
return;
|
||||
}
|
||||
switch (n.nodeName) {
|
||||
case "BLOCKQUOTE":
|
||||
inQuote = false;
|
||||
break;
|
||||
case "OL":
|
||||
state.listIndex.pop();
|
||||
/* falls through */
|
||||
case "UL":
|
||||
state.listDepth -= 1;
|
||||
break;
|
||||
}
|
||||
lastNode = n;
|
||||
}
|
||||
|
||||
walkDOMDepthFirst(rootNode, onNodeEnter, onNodeLeave);
|
||||
|
||||
return parts;
|
||||
}
|
||||
|
||||
export function parsePlainTextMessage(body: string, partCreator: PartCreator, isQuotedMessage?: boolean): Part[] {
|
||||
export function parsePlainTextMessage(body: string, pc: PartCreator, isQuotedMessage?: boolean): Part[] {
|
||||
const lines = body.split(/\r\n|\r|\n/g); // split on any new-line combination not just \n, collapses \r\n
|
||||
return lines.reduce((parts, line, i) => {
|
||||
if (isQuotedMessage) {
|
||||
parts.push(partCreator.plain(QUOTE_LINE_PREFIX));
|
||||
parts.push(pc.plain("> "));
|
||||
}
|
||||
parts.push(...parseAtRoomMentions(line, partCreator));
|
||||
parts.push(...parseAtRoomMentions(line, pc));
|
||||
const isLast = i === lines.length - 1;
|
||||
if (!isLast) {
|
||||
parts.push(partCreator.newline());
|
||||
parts.push(pc.newline());
|
||||
}
|
||||
return parts;
|
||||
}, [] as Part[]);
|
||||
}
|
||||
|
||||
export function parseEvent(event: MatrixEvent, partCreator: PartCreator, { isQuotedMessage = false } = {}) {
|
||||
export function parseEvent(event: MatrixEvent, pc: PartCreator, { isQuotedMessage = false } = {}) {
|
||||
const content = event.getContent();
|
||||
let parts: Part[];
|
||||
const isEmote = content.msgtype === "m.emote";
|
||||
let isRainbow = false;
|
||||
|
||||
if (content.format === "org.matrix.custom.html") {
|
||||
parts = parseHtmlMessage(content.formatted_body || "", partCreator, isQuotedMessage);
|
||||
parts = parseHtmlMessage(content.formatted_body || "", pc, isQuotedMessage);
|
||||
if (content.body && content.formatted_body && textToHtmlRainbow(content.body) === content.formatted_body) {
|
||||
isRainbow = true;
|
||||
}
|
||||
} else {
|
||||
parts = parsePlainTextMessage(content.body || "", partCreator, isQuotedMessage);
|
||||
parts = parsePlainTextMessage(content.body || "", pc, isQuotedMessage);
|
||||
}
|
||||
|
||||
if (isEmote && isRainbow) {
|
||||
parts.unshift(partCreator.plain("/rainbowme "));
|
||||
parts.unshift(pc.plain("/rainbowme "));
|
||||
} else if (isRainbow) {
|
||||
parts.unshift(partCreator.plain("/rainbow "));
|
||||
parts.unshift(pc.plain("/rainbow "));
|
||||
} else if (isEmote) {
|
||||
parts.unshift(partCreator.plain("/me "));
|
||||
parts.unshift(pc.plain("/me "));
|
||||
}
|
||||
|
||||
return parts;
|
||||
|
|
|
|||
178
test/editor/__snapshots__/deserialize-test.js.snap
Normal file
178
test/editor/__snapshots__/deserialize-test.js.snap
Normal file
|
|
@ -0,0 +1,178 @@
|
|||
// Jest Snapshot v1, https://goo.gl/fbAQLP
|
||||
|
||||
exports[`editor/deserialize html messages escapes angle brackets 1`] = `
|
||||
Array [
|
||||
Object {
|
||||
"text": "\\\\> \\\\\\\\<del>no formatting here\\\\\\\\</del>",
|
||||
"type": "plain",
|
||||
},
|
||||
]
|
||||
`;
|
||||
|
||||
exports[`editor/deserialize html messages escapes asterisks 1`] = `
|
||||
Array [
|
||||
Object {
|
||||
"text": "\\\\*hello\\\\*",
|
||||
"type": "plain",
|
||||
},
|
||||
]
|
||||
`;
|
||||
|
||||
exports[`editor/deserialize html messages escapes backslashes 1`] = `
|
||||
Array [
|
||||
Object {
|
||||
"text": "C:\\\\\\\\My Documents",
|
||||
"type": "plain",
|
||||
},
|
||||
]
|
||||
`;
|
||||
|
||||
exports[`editor/deserialize html messages escapes backticks in code blocks 1`] = `
|
||||
Array [
|
||||
Object {
|
||||
"text": "\`\`this → \` is a backtick\`\`",
|
||||
"type": "plain",
|
||||
},
|
||||
Object {
|
||||
"text": "
|
||||
",
|
||||
"type": "newline",
|
||||
},
|
||||
Object {
|
||||
"text": "
|
||||
",
|
||||
"type": "newline",
|
||||
},
|
||||
Object {
|
||||
"text": "\`\`\`\`",
|
||||
"type": "plain",
|
||||
},
|
||||
Object {
|
||||
"text": "
|
||||
",
|
||||
"type": "newline",
|
||||
},
|
||||
Object {
|
||||
"text": "and here are 3 of them:",
|
||||
"type": "plain",
|
||||
},
|
||||
Object {
|
||||
"text": "
|
||||
",
|
||||
"type": "newline",
|
||||
},
|
||||
Object {
|
||||
"text": "\`\`\`",
|
||||
"type": "plain",
|
||||
},
|
||||
Object {
|
||||
"text": "
|
||||
",
|
||||
"type": "newline",
|
||||
},
|
||||
Object {
|
||||
"text": "\`\`\`\`",
|
||||
"type": "plain",
|
||||
},
|
||||
]
|
||||
`;
|
||||
|
||||
exports[`editor/deserialize html messages escapes backticks outside of code blocks 1`] = `
|
||||
Array [
|
||||
Object {
|
||||
"text": "some \\\\\`backticks\\\\\`",
|
||||
"type": "plain",
|
||||
},
|
||||
]
|
||||
`;
|
||||
|
||||
exports[`editor/deserialize html messages escapes square brackets 1`] = `
|
||||
Array [
|
||||
Object {
|
||||
"text": "\\\\[not an actual link\\\\](https://example.org)",
|
||||
"type": "plain",
|
||||
},
|
||||
]
|
||||
`;
|
||||
|
||||
exports[`editor/deserialize html messages escapes underscores 1`] = `
|
||||
Array [
|
||||
Object {
|
||||
"text": "\\\\_\\\\_emphasis\\\\_\\\\_",
|
||||
"type": "plain",
|
||||
},
|
||||
]
|
||||
`;
|
||||
|
||||
exports[`editor/deserialize html messages preserves nested formatting 1`] = `
|
||||
Array [
|
||||
Object {
|
||||
"text": "a<sub>b_c**d<u>e</u>**_</sub>",
|
||||
"type": "plain",
|
||||
},
|
||||
]
|
||||
`;
|
||||
|
||||
exports[`editor/deserialize html messages preserves nested quotes 1`] = `
|
||||
Array [
|
||||
Object {
|
||||
"text": "> foo",
|
||||
"type": "plain",
|
||||
},
|
||||
Object {
|
||||
"text": "
|
||||
",
|
||||
"type": "newline",
|
||||
},
|
||||
Object {
|
||||
"text": "> ",
|
||||
"type": "plain",
|
||||
},
|
||||
Object {
|
||||
"text": "
|
||||
",
|
||||
"type": "newline",
|
||||
},
|
||||
Object {
|
||||
"text": "> > bar",
|
||||
"type": "plain",
|
||||
},
|
||||
]
|
||||
`;
|
||||
|
||||
exports[`editor/deserialize html messages surrounds lists with newlines 1`] = `
|
||||
Array [
|
||||
Object {
|
||||
"text": "foo",
|
||||
"type": "plain",
|
||||
},
|
||||
Object {
|
||||
"text": "
|
||||
",
|
||||
"type": "newline",
|
||||
},
|
||||
Object {
|
||||
"text": "
|
||||
",
|
||||
"type": "newline",
|
||||
},
|
||||
Object {
|
||||
"text": "- bar",
|
||||
"type": "plain",
|
||||
},
|
||||
Object {
|
||||
"text": "
|
||||
",
|
||||
"type": "newline",
|
||||
},
|
||||
Object {
|
||||
"text": "
|
||||
",
|
||||
"type": "newline",
|
||||
},
|
||||
Object {
|
||||
"text": "baz",
|
||||
"type": "plain",
|
||||
},
|
||||
]
|
||||
`;
|
||||
|
|
@ -237,18 +237,6 @@ describe('editor/deserialize', function() {
|
|||
expect(parts[3]).toStrictEqual({ type: "newline", text: "\n" });
|
||||
expect(parts[4]).toStrictEqual({ type: "plain", text: "3. Finish" });
|
||||
});
|
||||
it('non tight lists', () => {
|
||||
const html = "<ol><li><p>Start</p></li><li><p>Continue</p></li><li><p>Finish</p></li></ol>";
|
||||
const parts = normalize(parseEvent(htmlMessage(html), createPartCreator()));
|
||||
expect(parts.length).toBe(8);
|
||||
expect(parts[0]).toStrictEqual({ type: "plain", text: "1. Start" });
|
||||
expect(parts[1]).toStrictEqual({ type: "newline", text: "\n" });
|
||||
expect(parts[2]).toStrictEqual({ type: "newline", text: "\n" });
|
||||
expect(parts[3]).toStrictEqual({ type: "plain", text: "2. Continue" });
|
||||
expect(parts[4]).toStrictEqual({ type: "newline", text: "\n" });
|
||||
expect(parts[5]).toStrictEqual({ type: "newline", text: "\n" });
|
||||
expect(parts[6]).toStrictEqual({ type: "plain", text: "3. Finish" });
|
||||
});
|
||||
it('nested unordered lists', () => {
|
||||
const html = "<ul><li>Oak<ul><li>Spruce<ul><li>Birch</li></ul></li></ul></li></ul>";
|
||||
const parts = normalize(parseEvent(htmlMessage(html), createPartCreator()));
|
||||
|
|
@ -269,13 +257,13 @@ describe('editor/deserialize', function() {
|
|||
expect(parts[3]).toStrictEqual({ type: "newline", text: "\n" });
|
||||
expect(parts[4]).toStrictEqual({ type: "plain", text: `${FOUR_SPACES.repeat(2)}1. Birch` });
|
||||
});
|
||||
it('nested tight lists', () => {
|
||||
it('nested lists', () => {
|
||||
const html = "<ol><li>Oak\n<ol><li>Spruce\n<ol><li>Birch</li></ol></li></ol></li></ol>";
|
||||
const parts = normalize(parseEvent(htmlMessage(html), createPartCreator()));
|
||||
expect(parts.length).toBe(5);
|
||||
expect(parts[0]).toStrictEqual({ type: "plain", text: "1. Oak" });
|
||||
expect(parts[0]).toStrictEqual({ type: "plain", text: "1. Oak\n" });
|
||||
expect(parts[1]).toStrictEqual({ type: "newline", text: "\n" });
|
||||
expect(parts[2]).toStrictEqual({ type: "plain", text: `${FOUR_SPACES}1. Spruce` });
|
||||
expect(parts[2]).toStrictEqual({ type: "plain", text: `${FOUR_SPACES}1. Spruce\n` });
|
||||
expect(parts[3]).toStrictEqual({ type: "newline", text: "\n" });
|
||||
expect(parts[4]).toStrictEqual({ type: "plain", text: `${FOUR_SPACES.repeat(2)}1. Birch` });
|
||||
});
|
||||
|
|
@ -291,5 +279,56 @@ describe('editor/deserialize', function() {
|
|||
expect(parts.length).toBe(1);
|
||||
expect(parts[0]).toStrictEqual({ type: "plain", text: "/me says _DON'T SHOUT_!" });
|
||||
});
|
||||
it('preserves nested quotes', () => {
|
||||
const html = "<blockquote>foo<blockquote>bar</blockquote></blockquote>";
|
||||
const parts = normalize(parseEvent(htmlMessage(html), createPartCreator()));
|
||||
expect(parts).toMatchSnapshot();
|
||||
});
|
||||
it('surrounds lists with newlines', () => {
|
||||
const html = "foo<ul><li>bar</li></ul>baz";
|
||||
const parts = normalize(parseEvent(htmlMessage(html), createPartCreator()));
|
||||
expect(parts).toMatchSnapshot();
|
||||
});
|
||||
it('preserves nested formatting', () => {
|
||||
const html = "a<sub>b<em>c<strong>d<u>e</u></strong></em></sub>";
|
||||
const parts = normalize(parseEvent(htmlMessage(html), createPartCreator()));
|
||||
expect(parts).toMatchSnapshot();
|
||||
});
|
||||
it('escapes backticks in code blocks', () => {
|
||||
const html = "<p><code>this → ` is a backtick</code></p>" +
|
||||
"<pre><code>and here are 3 of them:\n```</code></pre>";
|
||||
const parts = normalize(parseEvent(htmlMessage(html), createPartCreator()));
|
||||
expect(parts).toMatchSnapshot();
|
||||
});
|
||||
it('escapes backticks outside of code blocks', () => {
|
||||
const html = "some `backticks`";
|
||||
const parts = normalize(parseEvent(htmlMessage(html), createPartCreator()));
|
||||
expect(parts).toMatchSnapshot();
|
||||
});
|
||||
it('escapes backslashes', () => {
|
||||
const html = "C:\\My Documents";
|
||||
const parts = normalize(parseEvent(htmlMessage(html), createPartCreator()));
|
||||
expect(parts).toMatchSnapshot();
|
||||
});
|
||||
it('escapes asterisks', () => {
|
||||
const html = "*hello*";
|
||||
const parts = normalize(parseEvent(htmlMessage(html), createPartCreator()));
|
||||
expect(parts).toMatchSnapshot();
|
||||
});
|
||||
it('escapes underscores', () => {
|
||||
const html = "__emphasis__";
|
||||
const parts = normalize(parseEvent(htmlMessage(html), createPartCreator()));
|
||||
expect(parts).toMatchSnapshot();
|
||||
});
|
||||
it('escapes square brackets', () => {
|
||||
const html = "[not an actual link](https://example.org)";
|
||||
const parts = normalize(parseEvent(htmlMessage(html), createPartCreator()));
|
||||
expect(parts).toMatchSnapshot();
|
||||
});
|
||||
it('escapes angle brackets', () => {
|
||||
const html = "> \\<del>no formatting here\\</del>";
|
||||
const parts = normalize(parseEvent(htmlMessage(html), createPartCreator()));
|
||||
expect(parts).toMatchSnapshot();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
|
|
|||
Loading…
Reference in a new issue