Plugin stuff

plugs/tasks/task.ts

@@ -0,0 +1,103 @@
+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);
+      }
+    }
+  }
+}

plugs/tasks/tasks.plug.yaml

@@ -0,0 +1,14 @@
+functions:
+  indexTasks:
+    path: "./task.ts:indexTasks"
+    events:
+      - page:index
+  updateTaskPage:
+    path: "./task.ts:updateTaskPage"
+    command:
+      name: "Tasks: Update Page"
+  taskToggle:
+    path: "./task.ts:taskToggle"
+    events:
+      - page:click
+