feat(linkedin): generalize build-html annotation renderer — tables, headings, inline code (S1a)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Kjell Tore Guttormsen 2026-05-26 23:05:54 +02:00
commit c225ea1dba
2 changed files with 178 additions and 12 deletions

View file

@ -0,0 +1,65 @@
import { describe, test } from 'node:test';
import assert from 'node:assert/strict';
import { markdownToHtml, inline } from '../build-html.mjs';
describe('markdownToHtml — tables (beslutning H)', () => {
test('converts a pipe table to <table>/<tr>/<td>', () => {
const md = [
'| Plattform | Pris |',
'| --- | --- |',
'| Azure | Høy |',
'| Foundry | Lav |',
].join('\n');
const html = markdownToHtml(md);
assert.match(html, /<table>/);
assert.match(html, /<tr>/);
assert.match(html, /<td>/);
// header cells render as <th>, body values as <td>
assert.match(html, /<th>Plattform<\/th>/);
assert.match(html, /<td>Azure<\/td>/);
// the separator row must NOT become a data row
assert.doesNotMatch(html, /<td>---<\/td>/);
});
test('empty input produces no table', () => {
assert.doesNotMatch(markdownToHtml(''), /<table>/);
});
test('tolerates a malformed row (uneven cell count) without throwing', () => {
const md = [
'| a | b |',
'| --- | --- |',
'| only-one-cell |',
'| x | y |',
].join('\n');
let html;
assert.doesNotThrow(() => { html = markdownToHtml(md); });
assert.match(html, /<table>/);
assert.match(html, /<td>x<\/td>/);
});
});
describe('markdownToHtml — heading levels # … #### (beslutning H)', () => {
test('# renders <h1>', () => {
assert.match(markdownToHtml('# Tittel'), /<h1>Tittel<\/h1>/);
});
test('## renders <h2>', () => {
assert.match(markdownToHtml('## Seksjon'), /<h2>Seksjon<\/h2>/);
});
test('### renders <h3>', () => {
assert.match(markdownToHtml('### Under'), /<h3>Under<\/h3>/);
});
test('#### renders <h4>', () => {
assert.match(markdownToHtml('#### Detalj'), /<h4>Detalj<\/h4>/);
});
});
describe('inline — backtick code span (beslutning H)', () => {
test('`code` renders <code>', () => {
assert.match(inline('bruk `npm install` her'), /<code>npm install<\/code>/);
});
test('still handles **bold** and *italic*', () => {
assert.match(inline('**fet** og *kursiv*'), /<strong>fet<\/strong>/);
assert.match(inline('**fet** og *kursiv*'), /<em>kursiv<\/em>/);
});
});

View file

@ -42,24 +42,87 @@ function esc(s) {
}
// ---------------------------------------------------------------------------
// Inline markdown: **fet**, *kursiv*. «» og — beholdes uendret.
// Inline markdown: `kode`, **fet**, *kursiv*. «» og — beholdes uendret.
// Tar uescapet tekst, returnerer escaped HTML med inline-tagger.
// ---------------------------------------------------------------------------
function inline(text) {
export function inline(text) {
let out = esc(text);
// `kode` først, slik at * og ** inni en kode-span ikke tolkes som fet/kursiv
out = out.replace(/`([^`]+)`/g, (_, c) => `<code>${c}</code>`);
// **fet** før *kursiv* for å unngå konflikt
out = out.replace(/\*\*([^*]+)\*\*/g, (_, c) => `<strong>${c}</strong>`);
out = out.replace(/\*([^*]+)\*/g, (_, c) => `<em>${c}</em>`);
return out;
}
// ---------------------------------------------------------------------------
// Overskrift: # -> <h1> ... #### -> <h4> (klemmes til h4; dypere nivåer
// kollapser til <h4>). Tar antall #-tegn + raw heading-tekst.
// ---------------------------------------------------------------------------
export function renderHeading(hashes, text) {
const level = Math.min(hashes, 4); // # .. #### -> <h1> .. <h4>
return `<h${level}>${inline(text.trim())}</h${level}>`;
}
// ---------------------------------------------------------------------------
// Tabell: en sammenhengende blokk av `| a | b |`-rader -> <table>.
// Rad 1 = header (<th>). En påfølgende separator-rad (| --- | --- |) hoppes
// over. Øvrige rader = <td>. Ujevn celletall tolereres (ingen kast).
// ---------------------------------------------------------------------------
function splitRow(line) {
// Fjern ledende/avsluttende pipe, del på resten.
return line
.trim()
.replace(/^\|/, "")
.replace(/\|$/, "")
.split("|")
.map((c) => c.trim());
}
function isSeparatorRow(line) {
// | --- | :---: | ---: | osv.
return /^\|?\s*:?-{1,}:?\s*(\|\s*:?-{1,}:?\s*)*\|?$/.test(line.trim());
}
export function renderTable(rows) {
if (!rows.length) return "";
let bodyRows = rows;
const header = splitRow(rows[0]);
let startIdx = 1;
if (rows.length > 1 && isSeparatorRow(rows[1])) startIdx = 2;
bodyRows = rows.slice(startIdx);
const thead =
"<thead><tr>" +
header.map((c) => `<th>${inline(c)}</th>`).join("") +
"</tr></thead>";
const tbody =
"<tbody>" +
bodyRows
.map(
(r) =>
"<tr>" +
splitRow(r)
.map((c) => `<td>${inline(c)}</td>`)
.join("") +
"</tr>"
)
.join("") +
"</tbody>";
return `<table>${thead}${tbody}</table>`;
}
// A markdown table line: starts with `|` and has at least one more `|`.
function isTableLine(t) {
return /^\|.*\|/.test(t);
}
// ---------------------------------------------------------------------------
// Kompakt markdown -> HTML for body.
// Håndterer: ## / ### overskrifter, - punktlister, 1. nummererte lister,
// > blockquote, --- horisontal linje, og avsnitt (blanklinje-separert).
// Håndterer: # .. #### overskrifter, | tabeller |, - punktlister,
// 1. nummererte lister, > blockquote, --- horisontal linje, `kode`, og
// avsnitt (blanklinje-separert).
// Første avsnitt får drop-cap-klasse. Avsnitt etter det første: .indent.
// ---------------------------------------------------------------------------
function markdownToHtml(body) {
export function markdownToHtml(body) {
const lines = body.replace(/\r\n/g, "\n").split("\n");
const blocks = [];
let i = 0;
@ -85,15 +148,25 @@ function markdownToHtml(body) {
continue;
}
// Overskrifter
let hm = trimmed.match(/^(#{2,3})\s+(.*)$/);
// Overskrifter (# .. ###### -> <h1> .. <h4>, dypere klemmes til h4)
let hm = trimmed.match(/^(#{1,6})\s+(.*)$/);
if (hm) {
const level = hm[1].length; // 2 eller 3
blocks.push(`<h${level}>${inline(hm[2].trim())}</h${level}>`);
blocks.push(renderHeading(hm[1].length, hm[2]));
i++;
continue;
}
// Tabell (sammenhengende | a | b | -rader)
if (isTableLine(trimmed)) {
const rows = [];
while (i < lines.length && isTableLine(lines[i].trim())) {
rows.push(lines[i].trim());
i++;
}
blocks.push(renderTable(rows));
continue;
}
// Blockquote (sammenhengende > -linjer)
if (/^>\s?/.test(trimmed)) {
const qbuf = [];
@ -144,7 +217,8 @@ function markdownToHtml(body) {
if (
t === "" ||
/^---+$/.test(t) ||
/^(#{2,3})\s+/.test(t) ||
/^(#{1,6})\s+/.test(t) ||
isTableLine(t) ||
/^>\s?/.test(t) ||
/^[-*]\s+/.test(t) ||
/^\d+\.\s+/.test(t)
@ -259,8 +333,31 @@ h1.title {
color: var(--accent);
font-weight: 700;
}
.body h1 { font-size: 1.8rem; font-weight: 700; margin: 2.2rem 0 0.7rem; line-height: 1.15; }
.body h2 { font-size: 1.5rem; font-weight: 700; margin: 2rem 0 0.6rem; line-height: 1.2; }
.body h3 { font-size: 1.2rem; font-weight: 700; margin: 1.6rem 0 0.5rem; line-height: 1.25; }
.body h4 { font-size: 1.05rem; font-weight: 700; margin: 1.3rem 0 0.4rem; line-height: 1.3; }
.body code {
font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
font-size: 0.86em;
background: #efece4;
padding: 0.08em 0.35em;
border-radius: 3px;
}
.body table {
border-collapse: collapse;
width: 100%;
margin: 1.4rem 0;
font-family: var(--sans);
font-size: 0.86rem;
}
.body th, .body td {
border: 1px solid var(--rule);
padding: 0.5em 0.7em;
text-align: left;
vertical-align: top;
}
.body th { background: #efece4; font-weight: 600; }
.body ul, .body ol { margin: 0.8rem 0; padding-left: 1.5em; }
.body li { margin: 0.3rem 0; }
.body blockquote {
@ -933,7 +1030,7 @@ ${CLIENT_JS}
// ---------------------------------------------------------------------------
// Main
// ---------------------------------------------------------------------------
function main() {
export function main() {
const args = process.argv.slice(2);
if (!args.length) {
console.error("Bruk: node build-html.mjs <fil.md> [flere.md ...]");
@ -960,4 +1057,8 @@ function main() {
}
}
// CLI-guard: kjør kun når scriptet startes direkte, ikke ved import
// (mønster fra hooks/scripts/state-updater.mjs).
if (import.meta.url === `file://${process.argv[1]}`) {
main();
}