mirror of
https://github.com/d0zingcat/NotionNext.git
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85 lines
2.3 KiB
JavaScript
85 lines
2.3 KiB
JavaScript
/**
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* 将Node文本中的指定标签内容转换为带有指定类名的span
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* @param regex
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* @param node
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* @param className
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*/
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function convertTextToSpoilerSpan(regex, node, className) {
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const wholeText = node.wholeText
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let outerSpan = document.createElement('span')
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const fragments = []
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let lastIndex = 0
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let match
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while ((match = regex.exec(wholeText)) !== null) {
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console.log('符合要求的文字' + wholeText)
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// 添加前面未匹配的部分
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if (match.index > lastIndex) {
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outerSpan.appendChild(
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document.createTextNode(wholeText.slice(lastIndex, match.index))
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)
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}
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// 创建 span 包裹的内容
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const span = document.createElement('span')
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span.textContent = match[1] // 提取匹配的内容
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if (className) {
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span.className = className
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}
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outerSpan.appendChild(span)
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// 设置lastIndex
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lastIndex = regex.lastIndex
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}
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if (outerSpan.childNodes.length) {
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// 添加剩余未匹配的部分
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if (lastIndex < wholeText.length) {
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outerSpan.appendChild(document.createTextNode(wholeText.slice(lastIndex)))
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}
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node.replaceWith(outerSpan)
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}
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}
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/**
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* 收集并处理指定节点下的所有文本节点
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* @param root
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* @param className
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* @param spoilerTag
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*/
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function processTextNodes(root, className, spoilerTag) {
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const regex = new RegExp(`${spoilerTag}(.*?)${spoilerTag}`, 'g')
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const walker = document.createTreeWalker(root, NodeFilter.SHOW_TEXT, {
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acceptNode: function (node) {
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return regex.test(node.wholeText)
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? NodeFilter.FILTER_ACCEPT
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: NodeFilter.FILTER_REJECT
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}
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})
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const waitProcessNodes = []
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while (walker.nextNode()) {
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const node = walker.currentNode
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waitProcessNodes.push(node)
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}
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for (const waitProcessNode of waitProcessNodes) {
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convertTextToSpoilerSpan(regex, waitProcessNode, className)
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}
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}
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/**
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* 定位到目标处理位置，开始进行文本到spoiler的转换
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* @param spoilerTag
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*/
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function textToSpoiler(spoilerTag) {
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const intervalID = setInterval(() => {
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const articleElement = document.querySelector(
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'#article-wrapper #notion-article main'
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)
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if (articleElement) {
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setTimeout(() => {
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processTextNodes(articleElement, 'spoiler-text', spoilerTag)
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clearInterval(intervalID)
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}, 300)
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}
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}, 1000)
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}
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window.textToSpoiler = textToSpoiler
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