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Convert fetch body to dom elements.
Tento skript by neměl být instalován přímo. Jedná se o knihovnu, kterou by měly jiné skripty využívat pomocí meta příkazu // @require https://update.greasyfork.org/scripts/425782/926860/fetchElements.js
// ==UserScript==
// @name fetchElements
// @namespace https://greasyfork.org
// @version 0.1
// @description Convert fetch body to dom elements.
// @match *://*/*
// @grant none
// ==/UserScript==
/**
* fix Fetch Chinese garbled
* https://segmentfault.com/q/1010000004338890
* https://blog.shovonhasan.com/using-promises-with-filereader/
* @param {Binary} https://developer.mozilla.org/docs/Web/API/FileReader/readAsText
* @return {String}
*/
const binary2Text = async (input) => {
let reader = new FileReader();
return new Promise((resolve, reject) => {
reader.onerror = () => {
reader.abort();
reject(new DOMException('Problem parsing input.'));
};
reader.onload = () => {
resolve(reader.result);
};
reader.readAsText(input);
});
};
/**
* https://stackoverflow.com/a/35385518
* @param {String} HTML representing any number of sibling elements
* @return {NodeList}
*/
const htmlToElements = (htmlSrc) => {
let template = document.createElement('template');
template.innerHTML = htmlSrc;
return template.content;
};
/**
* @param {String} fetchUrl
* @param {Object} fetchOptions
* @return {NodeList}
*/
const fetchElements = async (fetchUrl, fetchOptions = {}) => {
const body_response = await fetch(fetchUrl, fetchOptions);
const body_blob = await body_response.blob();
const body_utf8Text = await binary2Text(body_blob);
const body_elements = htmlToElements(body_utf8Text);
return body_elements;
};