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Adjust how link markdown decorations are shown 

Use a custom data attribute that omits the scheme and is truncated at
40 chars
This commit is contained in:
Shadowfacts 2019-11-10 22:19:56 -05:00
parent 4d47e32b49
commit 2159a16b94
Signed by untrusted user: shadowfacts
GPG Key ID: 94A5AB95422746E5
2 changed files with 26 additions and 2 deletions
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26
lib/markdown.ts
View File

@ -2,6 +2,7 @@ import MarkdownIt from "markdown-it";
import MarkdownItFootnote from "markdown-it-footnote";
import slugify from "@sindresorhus/slugify";
import * as util from "./util";
import { URL } from "url";
const md = new MarkdownIt({
highlight: util.highlight,
@ -13,7 +14,7 @@ md.use(MarkdownItFootnote);
// Inserts heading anchors
// Based on https://github.com/valeriangalliat/markdown-it-anchor
md.core.ruler.push("anchor", (state) => {
md.core.ruler.push("header anchor", (state) => {
const tokens = state.tokens;
tokens
@ -48,6 +49,29 @@ md.core.ruler.push("anchor", (state) => {
});
});
// Adds data-link attributes to anchor elements
const defaultRenderer = md.renderer.rules.link_open || function(tokens, index, options, env, self) {
return self.renderToken(tokens, index, options);
};
md.renderer.rules.link_open = function(tokens, index, options, env, self) {
const href = tokens[index].attrGet("href");
if (href != null) {
try {
const parsed = new URL(href);
const formattedPathname = parsed.pathname === "/" ? "" : parsed.pathname;//.length > 20 ? parsed.pathname.substr(0, 20) + "..." : parsed.pathname;
let formatted = `${parsed.hostname}${formattedPathname}`;
if (formatted.length > 40) {
formatted = formatted.substr(0, 40) + "...";
}
tokens[index].attrPush(["data-link", formatted]);
} catch (e) {
// URL constructor throws on invalid URLs (such as ones that only contain a fragment), so swallow those exceptions
}
}
return defaultRenderer(tokens, index, options, env, self);
};
export function render(text: string): string {
return md.render(text);
}

2
site/css/main.scss
View File

@ -110,7 +110,7 @@ article {
// Markdown decorations
@media (min-width: 768px) {
a::before { content: "["; }
a::after { content: "](" attr(href) ")"; word-wrap: break-word; }
a::after { content: "](" attr(data-link) ")"; word-wrap: break-word; }
a::before, a::after {
color: var(--secondary-ui-text-color);
font-family: $monospace;