Initial commit from Create Llama

2024-08-08 18:33:08 +08:00
commit 4923337038
97 changed files with 5378 additions and 0 deletions
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+"use client";
+
+import { Loader2, Paperclip } from "lucide-react";
+import { ChangeEvent, useState } from "react";
+import { buttonVariants } from "./button";
+import { cn } from "./lib/utils";
+
+export interface FileUploaderProps {
+  config?: {
+    inputId?: string;
+    fileSizeLimit?: number;
+    allowedExtensions?: string[];
+    checkExtension?: (extension: string) => string | null;
+    disabled: boolean;
+  };
+  onFileUpload: (file: File) => Promise<void>;
+  onFileError?: (errMsg: string) => void;
+}
+
+const DEFAULT_INPUT_ID = "fileInput";
+const DEFAULT_FILE_SIZE_LIMIT = 1024 * 1024 * 50; // 50 MB
+
+export default function FileUploader({
+  config,
+  onFileUpload,
+  onFileError,
+}: FileUploaderProps) {
+  const [uploading, setUploading] = useState(false);
+
+  const inputId = config?.inputId || DEFAULT_INPUT_ID;
+  const fileSizeLimit = config?.fileSizeLimit || DEFAULT_FILE_SIZE_LIMIT;
+  const allowedExtensions = config?.allowedExtensions;
+  const defaultCheckExtension = (extension: string) => {
+    if (allowedExtensions && !allowedExtensions.includes(extension)) {
+      return `Invalid file type. Please select a file with one of these formats: ${allowedExtensions!.join(
+        ",",
+      )}`;
+    }
+    return null;
+  };
+  const checkExtension = config?.checkExtension ?? defaultCheckExtension;
+
+  const isFileSizeExceeded = (file: File) => {
+    return file.size > fileSizeLimit;
+  };
+
+  const resetInput = () => {
+    const fileInput = document.getElementById(inputId) as HTMLInputElement;
+    fileInput.value = "";
+  };
+
+  const onFileChange = async (e: ChangeEvent<HTMLInputElement>) => {
+    const file = e.target.files?.[0];
+    if (!file) return;
+
+    setUploading(true);
+    await handleUpload(file);
+    resetInput();
+    setUploading(false);
+  };
+
+  const handleUpload = async (file: File) => {
+    const onFileUploadError = onFileError || window.alert;
+    const fileExtension = file.name.split(".").pop() || "";
+    const extensionFileError = checkExtension(fileExtension);
+    if (extensionFileError) {
+      return onFileUploadError(extensionFileError);
+    }
+
+    if (isFileSizeExceeded(file)) {
+      return onFileUploadError(
+        `File size exceeded. Limit is ${fileSizeLimit / 1024 / 1024} MB`,
+      );
+    }
+
+    await onFileUpload(file);
+  };
+
+  return (
+    <div className="self-stretch">
+      <input
+        type="file"
+        id={inputId}
+        style={{ display: "none" }}
+        onChange={onFileChange}
+        accept={allowedExtensions?.join(",")}
+        disabled={config?.disabled || uploading}
+      />
+      <label
+        htmlFor={inputId}
+        className={cn(
+          buttonVariants({ variant: "secondary", size: "icon" }),
+          "cursor-pointer",
+          uploading && "opacity-50",
+        )}
+      >
+        {uploading ? (
+          <Loader2 className="h-4 w-4 animate-spin" />
+        ) : (
+          <Paperclip className="-rotate-45 w-4 h-4" />
+        )}
+      </label>
+    </div>
+  );
+}