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silverbullet/plugs/core/navigate.ts
2022-10-29 09:23:12 +02:00

79 lines
2.3 KiB
TypeScript

import type { ClickEvent } from "$sb/app_event.ts";
import { editor, markdown, system } from "$sb/silverbullet-syscall/mod.ts";
import { nodeAtPos, ParseTree } from "$sb/lib/tree.ts";
// Checks if the URL contains a protocol, if so keeps it, otherwise assumes an attachment
function patchUrl(url: string): string {
if (url.indexOf("://") === -1) {
return `fs/${url}`;
}
return url;
}
async function actionClickOrActionEnter(
mdTree: ParseTree | null,
inNewWindow = false,
) {
if (!mdTree) {
return;
}
// console.log("Attempting to navigate based on syntax node", mdTree);
switch (mdTree.type) {
case "WikiLinkPage": {
let pageLink = mdTree.children![0].text!;
let pos;
if (pageLink.includes("@")) {
[pageLink, pos] = pageLink.split("@");
if (pos.match(/^\d+$/)) {
pos = +pos;
}
}
if (!pageLink) {
pageLink = await editor.getCurrentPage();
}
await editor.navigate(pageLink, pos, false, inNewWindow);
break;
}
case "URL":
case "NakedURL":
await editor.openUrl(patchUrl(mdTree.children![0].text!));
break;
case "Link": {
const url = patchUrl(mdTree.children![4].children![0].text!);
if (url.length <= 1) {
return editor.flashNotification("Empty link, ignoring", "error");
}
await editor.openUrl(url);
break;
}
case "CommandLink": {
const command = mdTree
.children![0].text!.substring(2, mdTree.children![0].text!.length - 2)
.trim();
console.log("Got command link", command);
await system.invokeCommand(command);
break;
}
}
}
export async function linkNavigate() {
const mdTree = await markdown.parseMarkdown(await editor.getText());
const newNode = nodeAtPos(mdTree, await editor.getCursor());
await actionClickOrActionEnter(newNode);
}
export async function clickNavigate(event: ClickEvent) {
// Navigate by default, don't navigate when Alt is held
if (event.altKey) {
return;
}
const mdTree = await markdown.parseMarkdown(await editor.getText());
const newNode = nodeAtPos(mdTree, event.pos);
await actionClickOrActionEnter(newNode, event.ctrlKey || event.metaKey);
}
export async function navigateCommand(cmdDef: any) {
await editor.navigate(cmdDef.page);
}