edit wip

script/edit/tools.ts

@@ -0,0 +1,59 @@
+export interface EditOptions {
+    unlock_pov: boolean,
+    cut?: TickRange,
+}
+
+export interface TickRange {
+    from: number,
+    to: number,
+}
+
+function getCacheBuster(): string {
+    const url = document.querySelector('script[src*="editor"]').attributes.src.value;
+    return url.substring("/editor.js".length);
+}
+
+export function edit(data: ArrayBuffer, options: EditOptions): Promise<ArrayBuffer> {
+    return new Promise((resolve, reject) => {
+        const worker = new Worker(`/edit-worker.js${getCacheBuster()}`);
+        worker.postMessage({
+            buffer: data,
+            options
+        });
+        worker.onmessage = (event) => {
+            if (event.data.error) {
+                reject(event.data.error);
+                return;
+            } else if (event.data.buffer) {
+                resolve(event.data.buffer);
+            }
+        }
+    });
+}
+
+export function count_ticks(data: ArrayBuffer): Promise<number> {
+    return new Promise((resolve, reject) => {
+        const worker = new Worker(`/edit-worker.js${getCacheBuster()}`);
+        worker.postMessage({
+            buffer: data,
+            count: true
+        });
+        worker.onmessage = (event) => {
+            if (event.data.error) {
+                reject(event.data.error);
+                return;
+            } else if (event.data.ticks) {
+                resolve(event.data.ticks);
+            }
+        }
+    });
+}
+
+export function downloadBuffer(arrayBuffer: ArrayBuffer, fileName: string) {
+    const a = document.createElement('a')
+    a.href = URL.createObjectURL(new Blob(
+        [arrayBuffer],
+    ))
+    a.download = fileName
+    a.click()
+}