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silverbullet/packages/plugs/core/navigate.ts
2022-09-06 14:36:06 +02:00

82 lines
2.4 KiB
TypeScript

import type { ClickEvent } from "@silverbulletmd/web/app_event";
import {
flashNotification,
getCurrentPage,
getCursor,
getText,
navigate as navigateTo,
openUrl,
} from "@silverbulletmd/plugos-silverbullet-syscall/editor";
import { parseMarkdown } from "@silverbulletmd/plugos-silverbullet-syscall/markdown";
import { nodeAtPos, ParseTree } from "@silverbulletmd/common/tree";
import { invokeCommand } from "@silverbulletmd/plugos-silverbullet-syscall/system";
// 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 `attachment/${url}`;
}
return url;
}
async function actionClickOrActionEnter(mdTree: ParseTree | null) {
if (!mdTree) {
return;
}
// console.log("Attempting to navigate based on syntax node", mdTree);
switch (mdTree.type) {
case "WikiLinkPage":
let pageLink = mdTree.children![0].text!;
let pos;
if (pageLink.includes("@")) {
[pageLink, pos] = pageLink.split("@");
if (pos.match(/^\d+$/)) {
pos = +pos;
}
}
if (!pageLink) {
pageLink = await getCurrentPage();
}
await navigateTo(pageLink, pos);
break;
case "URL":
case "NakedURL":
await openUrl(patchUrl(mdTree.children![0].text!));
break;
case "Link":
const url = patchUrl(mdTree.children![4].children![0].text!);
if (url.length <= 1) {
return flashNotification("Empty link, ignoring", "error");
}
await openUrl(url);
break;
case "CommandLink":
let command = mdTree
.children![0].text!.substring(2, mdTree.children![0].text!.length - 2)
.trim();
console.log("Got command link", command);
await invokeCommand(command);
break;
}
}
export async function linkNavigate() {
let mdTree = await parseMarkdown(await getText());
let newNode = nodeAtPos(mdTree, await getCursor());
await actionClickOrActionEnter(newNode);
}
export async function clickNavigate(event: ClickEvent) {
// Navigate by default, don't navigate when Ctrl or Cmd is held
if (event.ctrlKey || event.metaKey) {
return;
}
let mdTree = await parseMarkdown(await getText());
let newNode = nodeAtPos(mdTree, event.pos);
await actionClickOrActionEnter(newNode);
}
export async function navigateCommand(cmdDef: any) {
await navigateTo(cmdDef.page);
}