init project

src/utils/imageCompression.ts

@@ -0,0 +1,27 @@
+import imageCompression from "browser-image-compression";
+
+const PHOTO_MAX_SIZE_MB = 300 / 1024;
+const PHOTO_MAX_WIDTH_OR_HEIGHT = 1920;
+
+/**
+ * 压缩上传图片，统一限制到 300 KB。
+ */
+export async function compressUploadImage(file: File): Promise<File> {
+	return await imageCompression(file, {
+		maxSizeMB: PHOTO_MAX_SIZE_MB,
+		maxWidthOrHeight: PHOTO_MAX_WIDTH_OR_HEIGHT,
+		useWebWorker: true,
+		initialQuality: .86
+	});
+}
+
+/**
+ * 批量压缩上传图片。
+ */
+export async function compressUploadImageList(fileList: File[]): Promise<File[]> {
+	const result: File[] = [];
+	for (const file of fileList) {
+		result.push(await compressUploadImage(file));
+	}
+	return result;
+}