end
45075b3328
Replace hidden file inputs and anchor downloads with native open/save dialogs via a thin platform layer. WAV export sends base64 audio data to the Go backend for writing to the user-chosen path. Co-authored-by: Cursor <cursoragent@cursor.com>
66 lines
1.9 KiB
TypeScript
66 lines
1.9 KiB
TypeScript
import { renderKeyboardTrack } from './audio/export';
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import type { SampleCache } from './audio/sampleCache';
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import { saveAudio, saveProject } from './platform/files';
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import type { LegacySwitchType, Marker, Project, SwitchType } from './types';
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import { app, setActiveSwitch, setMarkers, setSelectedIds } from './store.svelte';
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const LEGACY_SWITCH_MAP: Record<LegacySwitchType, SwitchType> = {
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'cherry-mx-blue': 'mxblue',
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'cherry-mx-red': 'mxblack',
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'cherry-mx-brown': 'mxbrown',
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};
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function migrateSwitch(value: string): SwitchType {
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if (value in LEGACY_SWITCH_MAP) {
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return LEGACY_SWITCH_MAP[value as LegacySwitchType];
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}
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return value as SwitchType;
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}
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function migrateMarker(marker: Marker): Marker {
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return {
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...marker,
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code: marker.code,
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releaseTime: marker.releaseTime,
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};
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}
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export function buildProject(): Project {
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return {
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version: 2,
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switch: app.activeSwitch,
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markers: app.markers.map((m) => ({ ...m })),
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};
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}
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export async function downloadProject(filename = 'project.json') {
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const project = buildProject();
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const content = JSON.stringify(project, null, 2);
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await saveProject(content, filename);
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}
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export function loadProject(data: Project & { version?: number; switch?: string }) {
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if (data.version !== 1 && data.version !== 2) {
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throw new Error(`Unsupported project version: ${data.version}`);
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}
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setMarkers((data.markers ?? []).map(migrateMarker));
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setActiveSwitch(migrateSwitch(data.switch ?? 'mxbrown'));
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setSelectedIds(new Set());
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}
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/**
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* Export keyboard SFX only as a WAV file (no video audio).
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* Rendered client-side at 1× via OfflineAudioContext.
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*/
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export async function exportAudio(duration: number, cache?: SampleCache) {
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const project = buildProject();
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const blob = await renderKeyboardTrack({
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duration,
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switchType: project.switch,
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markers: project.markers,
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cache,
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});
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await saveAudio(blob, 'keyboard_track.wav');
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}
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