build: compile release APK and update dependencies (expo-image-manipulator/loader)

node_modules/expo-image-manipulator/src/web/utils.web.ts

@@ -0,0 +1,39 @@
+import { CodedError } from 'expo-modules-core';
+
+export function getContext(canvas: HTMLCanvasElement): CanvasRenderingContext2D {
+  const ctx = canvas.getContext('2d');
+  if (!ctx) {
+    throw new CodedError('ERR_IMAGE_MANIPULATOR', 'Failed to create canvas context');
+  }
+  return ctx;
+}
+
+export async function blobToBase64String(blob: Blob): Promise<string> {
+  const dataURL = await new Promise<string>((resolve, reject) => {
+    const reader = new FileReader();
+    reader.onloadend = () => resolve(reader.result as string);
+    reader.onerror = () =>
+      reject(new Error(`Unable to convert blob to base64 string: ${reader.error}`));
+    reader.readAsDataURL(blob);
+  });
+  return dataURL.replace(/^data:image\/\w+;base64,/, '');
+}
+
+export function loadImageAsync(uri: string): Promise<HTMLCanvasElement> {
+  return new Promise((resolve, reject) => {
+    const imageSource = new Image();
+    imageSource.crossOrigin = 'anonymous';
+    const canvas = document.createElement('canvas');
+    imageSource.onload = () => {
+      canvas.width = imageSource.naturalWidth;
+      canvas.height = imageSource.naturalHeight;
+
+      const context = getContext(canvas);
+      context.drawImage(imageSource, 0, 0, imageSource.naturalWidth, imageSource.naturalHeight);
+
+      resolve(canvas);
+    };
+    imageSource.onerror = () => reject(canvas);
+    imageSource.src = uri;
+  });
+}