30 lines
841 B
TypeScript
30 lines
841 B
TypeScript
export const MAX_FORM_ANSWER_IMAGE_BYTES = 50 * 1024 * 1024;
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const ALLOWED_IMAGE_MIME_TYPES = new Set([
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"image/png",
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"image/jpeg",
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"image/webp",
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"image/gif",
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]);
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const ALLOWED_IMAGE_EXTENSIONS = new Set(["png", "jpg", "jpeg", "webp", "gif"]);
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export function validateImageUploadFile(file: Pick<File, "name" | "type" | "size">) {
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if (!ALLOWED_IMAGE_MIME_TYPES.has(file.type)) {
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throw new Error("Only PNG, JPG, WebP, and GIF images are allowed");
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}
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if (file.size > MAX_FORM_ANSWER_IMAGE_BYTES) {
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throw new Error("Image must be 50MB or smaller");
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}
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const extension = (file.name.split(".").pop() || "").toLowerCase();
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if (!ALLOWED_IMAGE_EXTENSIONS.has(extension)) {
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throw new Error("Invalid image extension");
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}
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}
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export function cdnUrl(id: string | null | undefined) {
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return id ? `/cdn/${id}` : "";
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}
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