12345678910111213141516171819202122232425262728293031
import { mime } from "https://cdn.deno.land/mimetypes/versions/v1.0.0/raw/mod.ts"import { urlParse } from 'https://cdn.deno.land/url_parse/versions/1.0.0/raw/mod.ts';import { basename } from "https://deno.land/std@0.92.0/path/mod.ts";
export async function readImageFromURL(url: string) {    const response = await fetch(url); // fetch an image    const mimeType = response.headers.get('content-type');    const imageBytes = new Uint8Array(await response.arrayBuffer());
    const extension = mime.getExtension(mimeType as string);    const defaultName = basename(urlParse(url).pathname)    let defaultImageName = defaultName
    // if image name does NOT include an extension    if (mime.getType(defaultName) === undefined) {        defaultImageName = `${defaultName.split('.')[0]}.${extension}`    }        return { bytes: imageBytes, name: defaultImageName }}
export async function readImageFromFile(path: string) {    const bytes = await Deno.readFile(path) // local file    return bytes}
export async function writeImage(imageBytes: Uint8Array, path: string, name?: string) {    const imagePath = `${path}${name}`    await Deno.writeFile(imagePath, imageBytes);}