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88 lines
2.2 KiB
88 lines
2.2 KiB
const config = require('../config')
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const build = {
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import: 'prism.css',
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handler (file) {
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if (file.path.includes('prism.css')) {
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// 将标签名选择器和属性选择器转为 class 选择器（组件内仅支持 class 选择器）
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file.contents = Buffer.from(file.contents.toString().replace(/pre([[)])/g, '.hl-pre$1').replace(/code/g, '.hl-code').replace(/\[class\*="?language-"?\]/g, '').replace(/:not[^,}]+[,}]*/g, '').replace(/\.token\./g, '.hl-'))
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}
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}
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}
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if (config.showLanguageName || config.showLineNumber) {
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// pre 内部的 code 进行滚动，避免行号和语言名称跟随滚动
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build.style = `.hl-pre {
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position: relative;
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}
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.hl-code {
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overflow: auto;
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display: block;
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}`
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}
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if (config.copyByLongPress) {
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build.template = '<rich-text wx:if="{{n.attrs[\'data-content\']}}" nodes="{{[n]}}" data-content="{{n.attrs[\'data-content\']}}" data-lang="{{n.attrs[\'data-lang\']}}" bindlongpress="copyCode" />'
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build.methods = {
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copyCode (e) {
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wx.showActionSheet({
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itemList: ['复制代码'],
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success: () =>
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wx.setClipboardData({
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data: e.currentTarget.dataset.content
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})
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})
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}
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}
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}
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if (config.showLanguageName) {
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build.style = (build.style || '') +
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`.hl-language {
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font-size: 12px;
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font-weight: 600;
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position: absolute;
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right: 8px;
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text-align: right;
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top: 3px;
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}
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.hl-pre {
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padding-top: 1.5em;
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}`
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}
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if (config.showLineNumber) {
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build.style = (build.style || '') +
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`.hl-pre {
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font-size: 14px;
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padding-left: 3.8em;
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counter-reset: linenumber;
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}
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.line-numbers-rows {
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position: absolute;
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pointer-events: none;
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top: ${config.showLanguageName ? 1.5 : 1}em;
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font-size: 100%;
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left: 0;
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width: 3em; /* works for line-numbers below 1000 lines */
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letter-spacing: -1px;
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border-right: 1px solid #999;
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-webkit-user-select: none;
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-moz-user-select: none;
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-ms-user-select: none;
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user-select: none;
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}
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.line-numbers-rows .span {
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display: block;
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counter-increment: linenumber;
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}
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.line-numbers-rows .span:before {
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content: counter(linenumber);
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color: #999;
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display: block;
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padding-right: 0.8em;
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text-align: right;
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}`
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}
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module.exports = build
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