perf: remove base64Conver

apps/web-antd/src/utils/base64Conver.ts

@@ -1,48 +0,0 @@
-// TODO @芋艿：需要优化下
-// TODO @芋艿：是不是可以共用么？
-/**
- * @description: base64 to blob
- */
-export function dataURLtoBlob(base64Buf: string): Blob {
-  const arr = base64Buf.split(',');
-  const typeItem = arr[0];
-  // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-  const mime = typeItem!.match(/:(.*?);/)![1];
-  // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-  const bstr = window.atob(arr[1]!);
-  let n = bstr.length;
-  const u8arr = new Uint8Array(n);
-  while (n--) {
-    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-    u8arr[n] = bstr.codePointAt(n)!;
-  }
-  return new Blob([u8arr], { type: mime });
-}
-
-/**
- * img url to base64
- * @param url
- */
-export function urlToBase64(url: string, mineType?: string): Promise<string> {
-  return new Promise((resolve, reject) => {
-    let canvas = document.createElement('CANVAS') as HTMLCanvasElement | null;
-    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-    const ctx = canvas!.getContext('2d');
-
-    const img = new Image();
-    img.crossOrigin = '';
-    img.addEventListener('load', () => {
-      if (!canvas || !ctx) {
-        // eslint-disable-next-line prefer-promise-reject-errors
-        return reject();
-      }
-      canvas.height = img.height;
-      canvas.width = img.width;
-      ctx.drawImage(img, 0, 0);
-      const dataURL = canvas.toDataURL(mineType || 'image/png');
-      canvas = null;
-      resolve(dataURL);
-    });
-    img.src = url;
-  });
-}