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silverbullet/plugs/tasks/task.ts

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TypeScript
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2022-03-28 13:25:05 +00:00
import type { ClickEvent } from "../../webapp/app_event";
import { IndexEvent } from "../../webapp/app_event";
import { syscall } from "../lib/syscall";
const allTasksPageName = "ALL TASKS";
const taskRe = /[\-\*]\s*\[([ Xx])\]\s*(.*)/g;
const extractPageLink = /[\-\*]\s*\[[ Xx]\]\s\[\[([^\]]+)@(\d+)\]\]\s*(.*)/;
type Task = { task: string; complete: boolean; pos?: number };
export async function indexTasks({ name, text }: IndexEvent) {
if (name === allTasksPageName) {
return;
}
console.log("Indexing tasks");
let tasks: { key: string; value: Task }[] = [];
for (let match of text.matchAll(taskRe)) {
let complete = match[1] !== " ";
let task = match[2];
let pos = match.index!;
tasks.push({
key: `task:${pos}`,
value: {
task,
complete,
},
});
}
console.log("Found", tasks.length, "task(s)");
await syscall("indexer.batchSet", name, tasks);
}
export async function updateTaskPage() {
let allTasks = await syscall("indexer.scanPrefixGlobal", "task:");
let pageTasks = new Map<string, Task[]>();
for (let {
key,
page,
value: { task, complete, pos },
} of allTasks) {
if (complete) {
continue;
}
let [, pos] = key.split(":");
let tasks = pageTasks.get(page) || [];
tasks.push({ task, complete, pos });
pageTasks.set(page, tasks);
}
let mdPieces = [];
for (let pageName of [...pageTasks.keys()].sort()) {
mdPieces.push(`\n## ${pageName}\n`);
for (let task of pageTasks.get(pageName)!) {
mdPieces.push(
`* [${task.complete ? "x" : " "}] [[${pageName}@${task.pos}]] ${
task.task
}`
);
}
}
let taskMd = mdPieces.join("\n");
await syscall("space.writePage", allTasksPageName, taskMd);
}
export async function taskToggle(event: ClickEvent) {
let syntaxNode = await syscall("editor.getSyntaxNodeAtPos", event.pos);
if (syntaxNode && syntaxNode.name === "TaskMarker") {
let changeTo = "[x]";
if (syntaxNode.text === "[x]" || syntaxNode.text === "[X]") {
changeTo = "[ ]";
}
await syscall("editor.dispatch", {
changes: {
from: syntaxNode.from,
to: syntaxNode.to,
insert: changeTo,
},
selection: {
anchor: event.pos,
},
});
if (event.page === allTasksPageName) {
// Propagate back to the page in question
let line = (await syscall("editor.getLineUnderCursor")) as string;
let match = line.match(extractPageLink);
if (match) {
let [, page, posS] = match;
let pos = +posS;
let pageData = await syscall("space.readPage", page);
let text = pageData.text;
// Apply the toggle
text =
text.substring(0, pos) +
text.substring(pos).replace(/^([\-\*]\s*)\[[ xX]\]/, "$1" + changeTo);
await syscall("space.writePage", page, text);
}
}
}
}