Files
twtxt-lib/public/demo/format-source.js
2026-02-22 21:26:15 -05:00

45 lines
1.3 KiB
JavaScript

export default function formatSource(source, panelId) {
source = (source ?? "").trim();
if (!source || !panelId) return;
const sourceSplit = source.split(/\r?\n/);
const spaceCount = sourceSplit[sourceSplit.length - 1].search(/\S/);
if (spaceCount <= 0) return; // empty string
const trimRE = new RegExp(`^\\s{${spaceCount}}`);
const preDom = document.createElement("pre");
preDom.append(sourceSplit.map((val) => val.replace(trimRE, "")).join("\n"));
preDom.innerHTML = preDom.innerHTML
// strRegEx must be applied first to prevent false positives
.replace(/\"[^"]+\"/g, (val) =>
val !== '"module"' ? `<span class="code-str">${val}</span>` : val,
)
.replace(/\/\/.*/g, (val) => `<span class="code-cmnt">${val}</span>`)
.replace(/\`[^`]+\`/g, (val) => `<span class="code-str">${val}</span>`)
.replace(/\.\w+/g, (val) =>
val !== ".js" ? `<span class="code-func">${val}</span>` : val,
)
.replace(
/&lt;\/?script[^&]*&gt;/g,
(val) => `<span class="code-cmd">${val}</span>`,
);
const sourceHTML = `
<details class='js-sourceDetails' open="true">
<summary>Source</summary>
<div>
<figure>
${preDom.outerHTML}
</figure>
</div>
</details>
`.trim();
document
.getElementById(panelId)
.insertAdjacentHTML("beforeend", sourceHTML);
}