getLocalFile

2024-11-12 12:29:44 scrapbox-file-uploaderですでに実装していたのを忘れてた

<input type="file">を使って取り込む

code:mod.ts

export const getLocalFile = async (accept?: string): Promise<File> => (await open(accept, false))0;

export const getLocalFiles = (accept?: string): Promise<File[]> => open(accept, true)

const open = (accept?: string, multiple?: boolean): Promise<File[]> => new Promise((resolve, reject) => {

const input = document.createElement("input");

input.type = "file";

if (accept) input.accept = accept;

if (multiple) input.multiple = multiple;

input.addEventListener("change", () => {

resolve(Array.from(input.files ?? []));

});

input.addEventListener("error", reject);

input.click();

});