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Aculix Technologies
f0fd6c1a65
Task operations become pure functions over arrays. Ids move from Date.now() to crypto.randomUUID(), with a fallback for non-secure contexts, since people do self-host this over plain HTTP on a LAN. Undo gets its own module so tasks.js stays pure. It covers single deletes and clear-completed batches, and clamps indices because the list can change between recording an entry and undoing it.
42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
/** crypto.randomUUID requires a secure context, and Negotium over plain HTTP
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* on a LAN is a real self-hosted deployment shape — hence the fallback. */
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function newId() {
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if (typeof crypto !== 'undefined' && typeof crypto.randomUUID === 'function') {
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return crypto.randomUUID()
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}
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return `${Date.now()}-${Math.random().toString(36).slice(2)}`
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}
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export function createTask(text, now = Date.now()) {
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return { id: newId(), text, completed: false, createdAt: now }
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}
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export function addTask(tasks, text, now = Date.now()) {
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const trimmed = text.trim()
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if (!trimmed) return tasks
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return [...tasks, createTask(trimmed, now)]
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}
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export function toggleTask(tasks, id) {
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return tasks.map((task) => (task.id === id ? { ...task, completed: !task.completed } : task))
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}
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export function deleteTask(tasks, id) {
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return tasks.filter((task) => task.id !== id)
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}
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export function reorderTask(tasks, from, to) {
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if (from === to) return tasks
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if (from < 0 || from >= tasks.length) return tasks
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if (to < 0 || to >= tasks.length) return tasks
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const next = [...tasks]
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const [moved] = next.splice(from, 1)
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next.splice(to, 0, moved)
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return next
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}
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export function clearCompleted(tasks) {
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return tasks.filter((task) => !task.completed)
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}
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