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silverbullet/plugs/tasks/task.ts
2022-04-04 11:51:41 +02:00

104 lines
3.1 KiB
TypeScript

import type {ClickEvent} from "../../webapp/app_event";
import {IndexEvent} from "../../webapp/app_event";
import {whiteOutQueries} from "../core/materialized_queries";
import {batchSet} from "plugos-silverbullet-syscall/index";
import {readPage, writePage} from "plugos-silverbullet-syscall/space";
import {parseMarkdown} from "plugos-silverbullet-syscall/markdown";
import {dispatch, getText,} from "plugos-silverbullet-syscall/editor";
import {addParentPointers, collectNodesMatching, nodeAtPos, render,} from "../lib/tree";
type Task = {
task: string;
complete: boolean;
pos?: number;
nested?: string;
};
export async function indexTasks({ name, text }: IndexEvent) {
console.log("Indexing tasks");
let tasks: { key: string; value: Task }[] = [];
text = whiteOutQueries(text);
let mdTree = await parseMarkdown(text);
addParentPointers(mdTree);
collectNodesMatching(mdTree, (n) => n.type === "Task").forEach((n) => {
let task = n.children!.slice(1).map(render).join("").trim();
let complete = n.children![0].children![0].text! !== "[ ]";
let value: Task = {
task,
complete,
};
let taskIndex = n.parent!.children!.indexOf(n);
let nestedItems = n.parent!.children!.slice(taskIndex + 1);
if (nestedItems.length > 0) {
value.nested = nestedItems.map(render).join("").trim();
}
tasks.push({
key: `task:${n.from}`,
value,
});
});
console.log("Found", tasks.length, "task(s)");
await batchSet(name, tasks);
}
export async function taskToggle(event: ClickEvent) {
return taskToggleAtPos(event.pos);
}
export async function taskToggleAtPos(pos: number) {
let text = await getText();
let mdTree = await parseMarkdown(text);
addParentPointers(mdTree);
let node = nodeAtPos(mdTree, pos);
if (node && node.type === "TaskMarker") {
let changeTo = "[x]";
if (node.children![0].text === "[x]" || node.children![0].text === "[X]") {
changeTo = "[ ]";
}
await dispatch({
changes: {
from: node.from,
to: node.to,
insert: changeTo,
},
selection: {
anchor: pos,
},
});
let parentWikiLinks = collectNodesMatching(
node.parent!,
(n) => n.type === "WikiLinkPage"
);
for (let wikiLink of parentWikiLinks) {
let ref = wikiLink.children![0].text!;
if (ref.includes("@")) {
let [page, pos] = ref.split("@");
let pageData = await readPage(page);
let text = pageData.text;
let referenceMdTree = await parseMarkdown(text);
// Adding +1 to immediately hit the task marker
let taskMarkerNode = nodeAtPos(referenceMdTree, +pos + 1);
if (!taskMarkerNode || taskMarkerNode.type !== "TaskMarker") {
console.error(
"Reference not a task marker, out of date?",
taskMarkerNode
);
return;
}
taskMarkerNode.children![0].text = changeTo;
console.log("This will be the new marker", render(taskMarkerNode));
text = render(referenceMdTree);
console.log("Updated reference paged text", text);
await writePage(page, text);
}
}
}
}