49 lines
1.7 KiB
TypeScript
49 lines
1.7 KiB
TypeScript
/* 文件：markdown/link.ts — 处理行内与外部链接的解析与转义规则。 */
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import { Tokens, MarkedExtension } from "marked";
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import { Extension } from "./extension";
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export class LinkRenderer extends Extension {
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allLinks:string[] = [];
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async prepare() {
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this.allLinks = [];
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}
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async postprocess(html: string) {
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if (this.settings.linkStyle !== 'footnote'
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|| this.allLinks.length == 0) {
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return html;
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}
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const links = this.allLinks.map((href, i) => {
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return `<li>${href} ↩</li>`;
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});
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return `${html}<seciton class="footnotes"><hr><ol>${links.join('')}</ol></section>`;
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}
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markedExtension(): MarkedExtension {
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return {
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extensions: [{
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name: 'link',
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level: 'inline',
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renderer: (token: Tokens.Link) => {
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if (token.href.startsWith('mailto:')) {
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return token.text;
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}
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if (token.text.indexOf(token.href) === 0
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|| (token.href.indexOf('https://mp.weixin.qq.com/mp') === 0)
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|| (token.href.indexOf('https://mp.weixin.qq.com/s') === 0)) {
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return `<a href="${token.href}">${token.text}</a>`;
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}
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this.allLinks.push(token.href);
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if (this.settings.linkStyle == 'footnote') {
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return `<a>${token.text}<sup>[${this.allLinks.length}]</sup></a>`;
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}
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else {
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return `<a>${token.text}[${token.href}]</a>`;
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}
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}
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}]
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}
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}
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} |