70 lines
2.0 KiB
JavaScript
70 lines
2.0 KiB
JavaScript
/* global messageBoxProxy */// dom.js
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/* global API */// msg.js
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/* global clamp debounce */// toolbox.js
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/* global editor */
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/* global prefs */
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/* global t */// localization.js
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'use strict';
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(async function AutosaveDrafts() {
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const makeId = () => editor.style.id || 'new';
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let delay;
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let port;
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connectPort();
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const draft = await API.drafts.get(makeId());
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if (draft && draft.isUsercss === editor.isUsercss) {
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const date = makeRelativeDate(draft.date);
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if (await messageBoxProxy.confirm(t('draftAction'), 'danger', t('draftTitle', date))) {
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await editor.replaceStyle(draft.style, draft);
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} else {
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API.drafts.delete(makeId());
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}
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}
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editor.dirty.onChange(isDirty => isDirty ? connectPort() : port.disconnect());
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editor.dirty.onDataChange(isDirty => debounce(updateDraft, isDirty ? delay : 0));
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prefs.subscribe('editor.autosaveDraft', (key, val) => {
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delay = clamp(val * 1000 | 0, 1000, 2 ** 32 - 1);
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const t = debounce.timers.get(updateDraft);
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if (t != null) debounce(updateDraft, t ? delay : 0);
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}, {runNow: true});
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function connectPort() {
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port = chrome.runtime.connect({name: 'draft:' + makeId()});
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}
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function makeRelativeDate(date) {
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let delta = (Date.now() - date) / 1000;
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if (delta >= 0 && Intl.RelativeTimeFormat) {
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for (const [span, unit, frac = 1] of [
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[60, 'second', 0],
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[60, 'minute', 0],
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[24, 'hour'],
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[7, 'day'],
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[4, 'week'],
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[12, 'month'],
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[1e99, 'year'],
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]) {
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if (delta < span) {
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return new Intl.RelativeTimeFormat({style: 'short'}).format(-delta.toFixed(frac), unit);
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}
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delta /= span;
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}
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}
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return date.toLocaleString();
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}
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function updateDraft(isDirty = editor.dirty.isDirty()) {
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if (!isDirty) return;
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API.drafts.put({
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date: Date.now(),
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id: makeId(),
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isUsercss: editor.isUsercss,
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style: editor.getValue(true),
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si: editor.makeScrollInfo(),
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});
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}
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})();
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