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Ensure markdown links have the noopener and nofollow rel tags as well. (#2100)

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cmp 2023-08-29 22:39:39 -05:00 committed by GitHub
parent acc32f2c5d
commit c4f7344564
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1 changed files with 18 additions and 3 deletions
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21
src/shared/markdown.ts
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@ -15,7 +15,7 @@ import markdown_it_sub from "markdown-it-sub";
import markdown_it_sup from "markdown-it-sup"; import markdown_it_sup from "markdown-it-sup";
import Renderer from "markdown-it/lib/renderer"; import Renderer from "markdown-it/lib/renderer";
import Token from "markdown-it/lib/token"; import Token from "markdown-it/lib/token";
import { instanceLinkRegex } from "./config"; import { instanceLinkRegex, relTags } from "./config";
export let Tribute: any; export let Tribute: any;
@ -185,7 +185,7 @@ export function setupMarkdown() {
// defs: emojiDefs, // defs: emojiDefs,
// }) // })
.disable("image"); .disable("image");
const defaultRenderer = md.renderer.rules.image; const defaultImageRenderer = md.renderer.rules.image;
md.renderer.rules.image = function ( md.renderer.rules.image = function (
tokens: Token[], tokens: Token[],
idx: number, idx: number,
@ -205,7 +205,7 @@ export function setupMarkdown() {
const isLocalEmoji = customEmoji !== undefined; const isLocalEmoji = customEmoji !== undefined;
if (!isLocalEmoji) { if (!isLocalEmoji) {
const imgElement = const imgElement =
defaultRenderer?.(tokens, idx, options, env, self) ?? ""; defaultImageRenderer?.(tokens, idx, options, env, self) ?? "";
if (imgElement) { if (imgElement) {
return `<span class='${ return `<span class='${
isEmoji ? "icon icon-emoji" : "" isEmoji ? "icon icon-emoji" : ""
@ -221,6 +221,21 @@ export function setupMarkdown() {
md.renderer.rules.table_open = function () { md.renderer.rules.table_open = function () {
return '<table class="table">'; return '<table class="table">';
}; };
const defaultLinkRenderer =
md.renderer.rules.link_open ||
function (tokens, idx, options, _env, self) {
return self.renderToken(tokens, idx, options);
};
md.renderer.rules.link_open = function (
tokens: Token[],
idx: number,
options: MarkdownIt.Options,
env: any,
self: Renderer,
) {
tokens[idx].attrPush(["rel", relTags]);
return defaultLinkRenderer(tokens, idx, options, env, self);
};
} }
export function setupEmojiDataModel(custom_emoji_views: CustomEmojiView[]) { export function setupEmojiDataModel(custom_emoji_views: CustomEmojiView[]) {