mirror of
https://github.com/siyuan-note/siyuan.git
synced 2026-02-21 06:24:06 +01:00
271 lines
12 KiB
TypeScript
271 lines
12 KiB
TypeScript
import {getEventName, openByMobile, writeText} from "../util/compatibility";
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import {hasClosestByTag} from "../util/hasClosest";
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import {focusByRange} from "../util/selection";
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import {showMessage} from "../../dialog/message";
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import {isLocalPath, pathPosix} from "../../util/pathName";
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import {previewImage} from "./image";
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import {needSubscribe} from "../../util/needSubscribe";
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import {Constants} from "../../constants";
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import {getSearch, isMobile} from "../../util/functions";
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/// #if !BROWSER
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import {shell} from "electron";
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/// #endif
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/// #if !MOBILE
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import {openAsset, openBy} from "../../editor/util";
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/// #endif
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import {fetchPost} from "../../util/fetch";
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import {processRender} from "../util/processCode";
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import {highlightRender} from "../markdown/highlightRender";
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import {speechRender} from "../markdown/speechRender";
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export class Preview {
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public element: HTMLElement;
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public previewElement: HTMLElement;
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private mdTimeoutId: number;
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constructor(protyle: IProtyle) {
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this.element = document.createElement("div");
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this.element.className = "protyle-preview fn__none";
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const previewElement = document.createElement("div");
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previewElement.className = "b3-typography";
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if (protyle.options.classes.preview) {
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previewElement.classList.add(protyle.options.classes.preview);
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}
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previewElement.style.padding = protyle.wysiwyg.element.style.padding;
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previewElement.addEventListener("click", (event: MouseEvent & { target: HTMLElement }) => {
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if (event.target.tagName === "A") {
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const linkAddress = event.target.getAttribute("href");
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if (linkAddress.startsWith("#")) {
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// 导出预览模式点击块引转换后的脚注跳转不正确 https://github.com/siyuan-note/siyuan/issues/5700
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previewElement.querySelector(linkAddress).scrollIntoView();
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event.stopPropagation();
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event.preventDefault();
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return;
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}
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if (isMobile()) {
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openByMobile(linkAddress);
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event.stopPropagation();
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event.preventDefault();
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return;
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}
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event.stopPropagation();
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event.preventDefault();
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if (isLocalPath(linkAddress)) {
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/// #if !MOBILE
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if (Constants.SIYUAN_ASSETS_EXTS.includes(pathPosix().extname((linkAddress.split("?page")[0])))) {
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openAsset(linkAddress.split("?page")[0], parseInt(getSearch("page", linkAddress)));
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} else {
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/// #if !BROWSER
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openBy(linkAddress, "folder");
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/// #endif
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}
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/// #endif
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} else {
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/// #if !BROWSER
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shell.openExternal(linkAddress).catch((e) => {
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showMessage(e);
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});
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/// #else
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window.open(linkAddress);
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/// #endif
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}
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return;
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}
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if (event.target.tagName === "IMG") {
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previewImage((event.target as HTMLImageElement).src, protyle.block.rootID);
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}
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});
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const actions = protyle.options.preview.actions;
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const actionElement = document.createElement("div");
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actionElement.className = "protyle-preview__action";
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const actionHtml: string[] = [];
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for (let i = 0; i < actions.length; i++) {
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const action = actions[i];
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if (typeof action === "object") {
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actionHtml.push(`<button type="button" data-type="${action.key}" class="${action.className}">${action.text}</button>`);
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continue;
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}
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switch (action) {
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case "desktop":
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actionHtml.push('<button type="button" class="protyle-preview__action--current" data-type="desktop">Desktop</button>');
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break;
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case "tablet":
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actionHtml.push('<button type="button" data-type="tablet">Tablet</button>');
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break;
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case "mobile":
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actionHtml.push('<button type="button" data-type="mobile">Mobile/Wechat</button>');
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break;
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case "mp-wechat":
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actionHtml.push('<button type="button" data-type="mp-wechat" class="b3-tooltips b3-tooltips__w" aria-label="复制到公众号"><svg><use xlink:href="#iconMp"></use></svg></button>');
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break;
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case "zhihu":
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actionHtml.push('<button type="button" data-type="zhihu" class="b3-tooltips b3-tooltips__w" aria-label="复制到知乎"><svg><use xlink:href="#iconZhihu"></use></svg></button>');
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break;
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case "yuque":
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actionHtml.push('<button type="button" data-type="yuque" class="b3-tooltips b3-tooltips__w" aria-label="复制到语雀"><svg><use xlink:href="#iconYuque"></use></svg></button>');
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break;
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}
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}
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actionElement.innerHTML = actionHtml.join("");
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this.element.appendChild(actionElement);
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this.element.appendChild(previewElement);
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actionElement.addEventListener(getEventName(), (event) => {
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const btn = hasClosestByTag(event.target as HTMLElement, "BUTTON");
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if (!btn) {
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return;
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}
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const type = btn.getAttribute("data-type");
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const actionCustom = actions.find((w: IPreviewActionCustom) => w?.key === type) as IPreviewActionCustom;
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if (actionCustom) {
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actionCustom.click(type);
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return;
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}
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if ((type === "mp-wechat" || type === "zhihu" || type === "yuque")) {
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this.copyToX(this.element.lastElementChild.cloneNode(true) as HTMLElement, protyle, type);
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return;
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}
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if (type === "desktop") {
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previewElement.style.width = "";
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previewElement.style.padding = protyle.wysiwyg.element.style.padding;
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} else if (type === "tablet") {
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previewElement.style.width = "1024px";
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previewElement.style.padding = "8px 16px";
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} else {
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previewElement.style.width = "360px";
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previewElement.style.padding = "8px";
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}
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this.render(protyle);
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actionElement.querySelectorAll("button").forEach((item) => {
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item.classList.remove("protyle-preview__action--current");
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});
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btn.classList.add("protyle-preview__action--current");
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});
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this.previewElement = previewElement;
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}
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public render(protyle: IProtyle) {
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if (this.element.style.display === "none") {
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return;
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}
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this.mdTimeoutId = window.setTimeout(() => {
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fetchPost("/api/export/preview", {
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id: protyle.block.parentID || protyle.options.blockId,
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}, response => {
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protyle.preview.previewElement.innerHTML = response.data.html;
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processRender(protyle.preview.previewElement);
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highlightRender(protyle.preview.previewElement);
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speechRender(protyle.preview.previewElement, protyle.options.lang);
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});
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}, protyle.options.preview.delay);
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}
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private link2online(copyElement: HTMLElement) {
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if (needSubscribe("")) {
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return;
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}
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copyElement.querySelectorAll("[href],[src]").forEach(item => {
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const oldLink = item.getAttribute("href") || item.getAttribute("src");
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if (oldLink && oldLink.startsWith("assets/")) {
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const newLink = Constants.ASSETS_ADDRESS + window.siyuan.user.userId + "/" + oldLink;
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if (item.getAttribute("href")) {
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item.setAttribute("href", newLink);
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} else {
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item.setAttribute("src", newLink);
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}
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}
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});
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}
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private copyToX(copyElement: HTMLElement, protyle: IProtyle, type?: string) {
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// fix math render
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if (type === "mp-wechat") {
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this.link2online(copyElement);
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copyElement.querySelectorAll(".katex-html .base").forEach((item: HTMLElement) => {
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item.style.display = "initial";
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});
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copyElement.querySelectorAll("mjx-container > svg").forEach((item) => {
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item.setAttribute("width", (parseInt(item.getAttribute("width")) * 8) + "px");
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});
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} else if (type === "zhihu") {
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this.link2online(copyElement);
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copyElement.querySelectorAll('[data-subtype="math"]').forEach((item: HTMLElement) => {
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item.outerHTML = `<img class="Formula-image" data-eeimg="true" src="//www.zhihu.com/equation?tex=" alt="${item.getAttribute("data-content")}\\" style="display: block; margin: 0 auto; max-width: 100%;">`;
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});
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copyElement.querySelectorAll("blockquote").forEach((item) => {
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const elements: HTMLElement[] = [];
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this.processZHBlockquote(item, elements);
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elements.reverse().forEach(newItem => {
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item.insertAdjacentElement("afterend", newItem);
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});
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item.remove();
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});
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this.processZHTable(copyElement);
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} else if (type === "yuque") {
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fetchPost("/api/lute/copyStdMarkdown", {
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id: protyle.block.rootID,
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}, (response) => {
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writeText(response.data);
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showMessage("已复制，可到语雀进行粘贴");
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});
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return;
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}
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// 防止背景色被粘贴到公众号中
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copyElement.style.backgroundColor = "#fff";
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// 代码背景
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copyElement.querySelectorAll("code").forEach((item) => {
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item.style.backgroundImage = "none";
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});
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this.element.append(copyElement);
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const cloneRange = getSelection().getRangeAt(0).cloneRange();
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const range = copyElement.ownerDocument.createRange();
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range.selectNodeContents(copyElement);
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focusByRange(range);
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document.execCommand("copy");
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this.element.lastElementChild.remove();
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focusByRange(cloneRange);
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if (type) {
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showMessage(`已复制，可到${type === "zhihu" ? "知乎" : "微信公众号平台"}进行粘贴`);
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}
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}
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private processZHBlockquote(element: HTMLElement, elements: HTMLElement[]) {
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Array.from(element.children).forEach((item: HTMLElement) => {
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if (item.tagName === "BLOCKQUOTE") {
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this.processZHBlockquote(item, elements);
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} else if (item.tagName !== "P" || item.querySelector("img")) {
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elements.push(item);
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} else {
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const lastElement = elements[elements.length - 1];
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if (!lastElement || (lastElement && lastElement.tagName !== "BLOCKQUOTE")) {
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elements.push(document.createElement("blockquote"));
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}
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elements[elements.length - 1].append(item);
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}
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});
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}
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private processZHTable(element: HTMLElement) {
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element.querySelectorAll("table").forEach(item => {
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const headElement = item.querySelector("thead");
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if (!headElement) {
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return;
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}
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const tbodyElement = item.querySelector("tbody");
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if (tbodyElement) {
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tbodyElement.insertAdjacentElement("afterbegin", headElement.firstElementChild);
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} else {
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item.innerHTML = `<tbody>${headElement.innerHTML}</tbody>`;
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}
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headElement.remove();
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});
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}
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}
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