80 lines
2.7 KiB
TypeScript
80 lines
2.7 KiB
TypeScript
import {
|
|
clientStore,
|
|
codeWidget,
|
|
editor,
|
|
markdown,
|
|
} from "$sb/silverbullet-syscall/mod.ts";
|
|
import { renderToText, traverseTree } from "$sb/lib/tree.ts";
|
|
import { CodeWidgetContent } from "$sb/types.ts";
|
|
|
|
const hideTOCKey = "hideTOC";
|
|
const headerThreshold = 3;
|
|
|
|
type Header = {
|
|
name: string;
|
|
pos: number;
|
|
level: number;
|
|
};
|
|
|
|
export async function toggleTOC() {
|
|
let hideTOC = await clientStore.get(hideTOCKey);
|
|
hideTOC = !hideTOC;
|
|
await clientStore.set(hideTOCKey, hideTOC);
|
|
await codeWidget.refreshAll();
|
|
}
|
|
|
|
export async function refreshTOC() {
|
|
await codeWidget.refreshAll();
|
|
}
|
|
|
|
export async function renderTOC(): Promise<CodeWidgetContent | null> {
|
|
if (await clientStore.get(hideTOCKey)) {
|
|
return null;
|
|
}
|
|
const page = await editor.getCurrentPage();
|
|
const text = await editor.getText();
|
|
const tree = await markdown.parseMarkdown(text);
|
|
const headers: Header[] = [];
|
|
traverseTree(tree, (n) => {
|
|
if (n.type?.startsWith("ATXHeading")) {
|
|
headers.push({
|
|
name: n.children!.slice(1).map(renderToText).join("").trim(),
|
|
pos: n.from!,
|
|
level: +n.type[n.type.length - 1],
|
|
});
|
|
|
|
return true;
|
|
}
|
|
return false;
|
|
});
|
|
if (headers.length < headerThreshold) {
|
|
console.log("Not enough headers, not showing TOC", headers.length);
|
|
return null;
|
|
}
|
|
// console.log("Headers", headers);
|
|
const renderedMd = "# Table of Contents\n" +
|
|
headers.map((header) =>
|
|
`${
|
|
" ".repeat((header.level - 1) * 2)
|
|
}* [[${page}@${header.pos}|${header.name}]]`
|
|
).join("\n");
|
|
// console.log("Markdown", renderedMd);
|
|
return {
|
|
markdown: renderedMd,
|
|
buttons: [
|
|
{
|
|
description: "Reload",
|
|
svg:
|
|
`<svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-refresh-cw"><polyline points="23 4 23 10 17 10"></polyline><polyline points="1 20 1 14 7 14"></polyline><path d="M3.51 9a9 9 0 0 1 14.85-3.36L23 10M1 14l4.64 4.36A9 9 0 0 0 20.49 15"></path></svg>`,
|
|
invokeFunction: "index.refreshTOC",
|
|
},
|
|
{
|
|
description: "Hide",
|
|
svg:
|
|
`<svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-eye-off"><path d="M17.94 17.94A10.07 10.07 0 0 1 12 20c-7 0-11-8-11-8a18.45 18.45 0 0 1 5.06-5.94M9.9 4.24A9.12 9.12 0 0 1 12 4c7 0 11 8 11 8a18.5 18.5 0 0 1-2.16 3.19m-6.72-1.07a3 3 0 1 1-4.24-4.24"></path><line x1="1" y1="1" x2="23" y2="23"></line></svg>`,
|
|
invokeFunction: "index.toggleTOC",
|
|
},
|
|
],
|
|
};
|
|
}
|