Files
data-extracter-extesion/src/background/tools.ts
2020-01-16 09:59:19 +08:00

63 lines
1.9 KiB
TypeScript

import { ExtractResult } from "./result";
const URL_REG = /^\s*(https?):\/\//im;
export function parseUrls(...args) {
if (!args.length) return [];
let arg = args.shift();
if (arg instanceof Array) {
return arg;
} else if (arg instanceof ExtractResult) {
return arg.squash().filter(v => URL_REG.test(v));
} else {
let urlTempl = arg;
if (urlTempl) {
if (args[0] instanceof Array) {
return args[0].map(p => urlTempl.replace("${page}", p));
} else if (args.length >= 3) {
let urls = [];
let from = args.shift();
let to = args.shift();
let interval = args.shift();
for (let i = from; i <= to; i += interval) {
urls.push(urlTempl.replace("${page}", i));
}
return urls;
}
}
}
return [];
}
export function saveFile(data: string, mimeType: string, fileName?: string) {
fileName = fileName || document.title || "result";
let blob: Blob;
if (typeof window.Blob == "function") {
blob = new Blob([data], {
type: mimeType
})
} else {
var BlobBuiler = window.MSBlobBuilder;
var builer = new BlobBuiler();
builer.append(data);
blob = builer.getBlob(mimeType)
}
var URL = window.URL || window.webkitURL;
var url = URL.createObjectURL(blob);
var link = document.createElement("a");
if ('download' in link) {
link.style.visibility = "hidden";
link.href = url;
link.download = fileName;
document.body.appendChild(link);
var j = document.createEvent("MouseEvents");
j.initEvent("click", true, true);
link.dispatchEvent(j);
document.body.removeChild(link)
} else if (navigator.msSaveBlob) {
navigator.msSaveBlob(blob, fileName)
} else {
location.href = url
}
}