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打开刺猬猫章节页面时自动保存文章到本地, 支持付费章节
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// ==UserScript==
// @name 刺猬猫章节自动下载
// @version 8
// @grant none
// @include https://www.ciweimao.com/chapter/*
// @run-at document-idle
// @namespace http://greasyfork.icu/users/17676
// @description 打开刺猬猫章节页面时自动保存文章到本地, 支持付费章节
// ==/UserScript==
"use strict";
const __name__ = "刺猬猫章节自动下载";
/** @param {HTMLImageElement} img */
function image2line(img) {
const canvas = document.createElement("canvas");
canvas.width = img.naturalWidth;
canvas.height = img.naturalHeight;
const ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0);
return `} "${img.title}")`;
}
/** @param {Element} element */
function getElementRootText(element) {
let ret = "";
for (const i of element.childNodes) {
if (i.nodeType === i.TEXT_NODE) {
ret += i.nodeValue;
}
}
return strip(ret);
}
/** @param {string} url */
async function imageUrl2line(url) {
return new Promise((resolve, reject) => {
const img = new Image();
img.onload = () => {
resolve(image2line(img));
};
img.src = url;
});
}
/** @param {string} str
* @return {string} str
*/
function strip(str) {
return str.replace(/^\s+|\s+$/g, "");
}
(async function() {
const chapter = document.querySelector("#J_BookCnt h3.chapter").firstChild
.textContent;
let lines = [];
// 收费章节
for (const i of document.querySelectorAll("#J_BookImage")) {
/** @type {string} */
const url = i.style["background-image"].match(/(?:url\(")?(.+)(?:"\))?/)[1];
const line = await imageUrl2line(url);
lines.push(line);
}
// 免费章节
for (const i of document.querySelectorAll("#J_BookRead p:not(.author_say)")) {
let line = getElementRootText(i);
lines.push(line);
for (const img of i.querySelectorAll("img")) {
lines.push(image2line(img));
}
}
// 作者说
for (const i of document.querySelectorAll("p.author_say")) {
let line = getElementRootText(i);
lines.push(` ${line}`);
for (const img of i.querySelectorAll("img")) {
lines.push(image2line(img));
}
}
// 下载文件
lines = lines.filter(i => i.length > 0);
console.log(`${__name__}: 获取到 ${lines.length} 行`);
const file = new Blob([`# ${chapter}\n\n`, lines.join("\n\n")], {
type: "text/markdown"
});
const anchor = document.createElement("a");
anchor.href = URL.createObjectURL(file);
anchor.download = `${location.pathname.split("/").slice(-1)[0]} ${
document.title
}.md`;
anchor.style["display"] = "none";
document.body.append(anchor);
anchor.click();
setTimeout(() => {
document.body.removeChild(anchor);
URL.revokeObjectURL(url);
}, 0);
})();