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node_modules/vant/es/uploader/utils.mjs

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+import { toArray, createNamespace, isFunction } from "../utils/index.mjs";
+const [name, bem, t] = createNamespace("uploader");
+function readFileContent(file, resultType) {
+  return new Promise((resolve) => {
+    if (resultType === "file") {
+      resolve();
+      return;
+    }
+    const reader = new FileReader();
+    reader.onload = (event) => {
+      resolve(event.target.result);
+    };
+    if (resultType === "dataUrl") {
+      reader.readAsDataURL(file);
+    } else if (resultType === "text") {
+      reader.readAsText(file);
+    }
+  });
+}
+function isOversize(items, maxSize) {
+  return toArray(items).some((item) => {
+    if (item.file) {
+      if (isFunction(maxSize)) {
+        return maxSize(item.file);
+      }
+      return item.file.size > +maxSize;
+    }
+    return false;
+  });
+}
+function filterFiles(items, maxSize) {
+  const valid = [];
+  const invalid = [];
+  items.forEach((item) => {
+    if (isOversize(item, maxSize)) {
+      invalid.push(item);
+    } else {
+      valid.push(item);
+    }
+  });
+  return { valid, invalid };
+}
+const IMAGE_REGEXP = /\.(jpeg|jpg|gif|png|svg|webp|jfif|bmp|dpg|avif)/i;
+const isImageUrl = (url) => IMAGE_REGEXP.test(url);
+function isImageFile(item) {
+  if (item.isImage) {
+    return true;
+  }
+  if (item.file && item.file.type) {
+    return item.file.type.indexOf("image") === 0;
+  }
+  if (item.url) {
+    return isImageUrl(item.url);
+  }
+  if (typeof item.content === "string") {
+    return item.content.indexOf("data:image") === 0;
+  }
+  return false;
+}
+export {
+  bem,
+  filterFiles,
+  isImageFile,
+  isImageUrl,
+  isOversize,
+  name,
+  readFileContent,
+  t
+};