feat: automatically create subtask relations based on indention

src/helpers/parseSubtasksViaIndention.test.ts

@@ -0,0 +1,109 @@
+import {describe, it, expect} from 'vitest'
+import {parseSubtasksViaIndention} from '@/helpers/parseSubtasksViaIndention'
+
+describe('Parse Subtasks via Relation', () => {
+	it('Should not return a parent for a single task', () => {
+		const tasks = parseSubtasksViaIndention('single task')
+		
+		expect(tasks).to.have.length(1)
+		expect(tasks[0].parent).toBeNull()
+	})
+	it('Should not return a parent for multiple tasks without indention', () => {
+		const tasks = parseSubtasksViaIndention(`task one
+task two`)
+
+		expect(tasks).to.have.length(2)
+		expect(tasks[0].parent).toBeNull()
+		expect(tasks[1].parent).toBeNull()
+	})
+	it('Should return a parent for two tasks with indention', () => {
+		const tasks = parseSubtasksViaIndention(`parent task
+  sub task`)
+
+		expect(tasks).to.have.length(2)
+		expect(tasks[0].parent).toBeNull()
+		expect(tasks[0].title).to.eq('parent task')
+		expect(tasks[1].parent).to.eq('parent task')
+		expect(tasks[1].title).to.eq('sub task')
+	})
+	it('Should return a parent for multiple subtasks', () => {
+		const tasks = parseSubtasksViaIndention(`parent task
+  sub task one
+  sub task two`)
+
+		expect(tasks).to.have.length(3)
+		expect(tasks[0].parent).toBeNull()
+		expect(tasks[0].title).to.eq('parent task')
+		expect(tasks[1].title).to.eq('sub task one')
+		expect(tasks[1].parent).to.eq('parent task')
+		expect(tasks[2].title).to.eq('sub task two')
+		expect(tasks[2].parent).to.eq('parent task')
+	})
+	it('Should work with multiple indention levels', () => {
+		const tasks = parseSubtasksViaIndention(`parent task
+  sub task
+    sub sub task`)
+
+		expect(tasks).to.have.length(3)
+		expect(tasks[0].parent).toBeNull()
+		expect(tasks[0].title).to.eq('parent task')
+		expect(tasks[1].title).to.eq('sub task')
+		expect(tasks[1].parent).to.eq('parent task')
+		expect(tasks[2].title).to.eq('sub sub task')
+		expect(tasks[2].parent).to.eq('sub task')
+	})
+	it('Should work with multiple indention levels and multiple tasks', () => {
+		const tasks = parseSubtasksViaIndention(`parent task
+  sub task
+    sub sub task one
+    sub sub task two`)
+
+		expect(tasks).to.have.length(4)
+		expect(tasks[0].parent).toBeNull()
+		expect(tasks[0].title).to.eq('parent task')
+		expect(tasks[1].title).to.eq('sub task')
+		expect(tasks[1].parent).to.eq('parent task')
+		expect(tasks[2].title).to.eq('sub sub task one')
+		expect(tasks[2].parent).to.eq('sub task')
+		expect(tasks[3].title).to.eq('sub sub task two')
+		expect(tasks[3].parent).to.eq('sub task')
+	})
+	it('Should work with multiple indention levels and multiple tasks', () => {
+		const tasks = parseSubtasksViaIndention(`parent task
+  sub task
+    sub sub task one
+      sub sub sub task
+    sub sub task two`)
+
+		expect(tasks).to.have.length(5)
+		expect(tasks[0].parent).toBeNull()
+		expect(tasks[0].title).to.eq('parent task')
+		expect(tasks[1].title).to.eq('sub task')
+		expect(tasks[1].parent).to.eq('parent task')
+		expect(tasks[2].title).to.eq('sub sub task one')
+		expect(tasks[2].parent).to.eq('sub task')
+		expect(tasks[3].title).to.eq('sub sub sub task')
+		expect(tasks[3].parent).to.eq('sub sub task one')
+		expect(tasks[4].title).to.eq('sub sub task two')
+		expect(tasks[4].parent).to.eq('sub task')
+	})
+	it('Should return a parent for multiple subtasks with special stuff', () => {
+		const tasks = parseSubtasksViaIndention(`* parent task
+  * sub task one
+  sub task two`)
+
+		expect(tasks).to.have.length(3)
+		expect(tasks[0].parent).toBeNull()
+		expect(tasks[0].title).to.eq('parent task')
+		expect(tasks[1].title).to.eq('sub task one')
+		expect(tasks[1].parent).to.eq('parent task')
+		expect(tasks[2].title).to.eq('sub task two')
+		expect(tasks[2].parent).to.eq('parent task')
+	})
+	it('Should not break when the first line is indented', () => {
+		const tasks = parseSubtasksViaIndention('  single task')
+
+		expect(tasks).to.have.length(1)
+		expect(tasks[0].parent).toBeNull()
+	})
+})

src/helpers/parseSubtasksViaIndention.ts

@@ -0,0 +1,42 @@
+export interface TaskWithParent {
+	title: string,
+	parent: string | null,
+}
+
+function cleanupTitle(title: string) {
+	return title.replace(/^((\* |\+ |- )(\[ \] )?)/g, '')
+}
+
+const spaceRegex = /^ */
+
+// taskTitles should be multiple lines of task tiles with indention to declare their parent/subtask 
+// relation between each other.
+export function parseSubtasksViaIndention(taskTitles: string): TaskWithParent[] {
+	const titles = taskTitles.split(/[\r\n]+/)
+
+	return titles.map((t, i) => {
+		const task: TaskWithParent = {
+			title: cleanupTitle(t),
+			parent: null,
+		}
+
+		const matched = spaceRegex.exec(t)
+		const matchedSpaces = matched ? matched[0].length : 0
+
+		if (matchedSpaces > 0 && i > 0) {
+			// Go up the tree to find the first task with less indention than the current one
+			let pi = 1
+			let parentSpaces = 0
+			do {
+				task.parent = cleanupTitle(titles[i - pi])
+				pi++
+				const parentMatched = spaceRegex.exec(task.parent)
+				parentSpaces = parentMatched ? parentMatched[0].length : 0
+			} while (parentSpaces >= matchedSpaces)
+			task.title = cleanupTitle(t.replace(spaceRegex, ''))
+			task.parent = task.parent.replace(spaceRegex, '')
+		}
+
+		return task
+	})
+}