83 lines
2.4 KiB
TypeScript
83 lines
2.4 KiB
TypeScript
import {getProjectFromPrefix, PrefixMode} from '@/modules/parseTaskText'
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export interface TaskWithParent {
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title: string,
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parent: string | null,
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project: string | null,
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}
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function cleanupTitle(title: string) {
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return title.replace(/^((\* |\+ |- )(\[ \] )?)/g, '')
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}
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const spaceRegex = /^ */
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/**
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* @param taskTitles should be multiple lines of task tiles with indention to declare their parent/subtask
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* relation between each other.
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*/
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export function parseSubtasksViaIndention(taskTitles: string, prefixMode: PrefixMode): TaskWithParent[] {
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let titles = taskTitles
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.split(/[\r\n]+/)
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.filter(t => t.replace(/\s/g, '').length > 0) // Remove titles which are empty or only contain spaces / tabs
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if (titles.length == 0) {
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return []
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}
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const spaceOnFirstLine = /^(\t| )+/
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const spaces = spaceOnFirstLine.exec(titles[0])
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if (spaces !== null) {
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let spacesToCut = spaces[0].length
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titles = titles.map(title => {
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const spacesOnThisLine = spaceOnFirstLine.exec(title)
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if (spacesOnThisLine === null) {
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// This means the current task title does not start with indention, but the very first one did
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// To prevent cutting actual task data we now need to update the number of spaces to cut
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spacesToCut = 0
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}
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if (spacesOnThisLine !== null && spacesOnThisLine[0].length < spacesToCut) {
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spacesToCut = spacesOnThisLine[0].length
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}
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return title.substring(spacesToCut)
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})
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}
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return titles.map((title, index) => {
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const task: TaskWithParent = {
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title: cleanupTitle(title),
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parent: null,
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project: null,
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}
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task.project = getProjectFromPrefix(task.title, prefixMode)
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if (index === 0) {
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return task
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}
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const matched = spaceRegex.exec(task.title)
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const matchedSpaces = matched ? matched[0].length : 0
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if (matchedSpaces > 0) {
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// Go up the tree to find the first task with less indention than the current one
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let pi = 1
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let parentSpaces = 0
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do {
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task.parent = cleanupTitle(titles[index - pi])
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pi++
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const parentMatched = spaceRegex.exec(task.parent)
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parentSpaces = parentMatched ? parentMatched[0].length : 0
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} while (parentSpaces >= matchedSpaces)
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task.title = cleanupTitle(task.title.replace(spaceRegex, ''))
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task.parent = task.parent.replace(spaceRegex, '')
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if (task.project === null) {
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// This allows to specify a project once for the parent task and inherit it to all subtasks
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task.project = getProjectFromPrefix(task.parent, prefixMode)
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}
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}
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return task
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})
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}
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