73 lines
1.9 KiB
JavaScript
73 lines
1.9 KiB
JavaScript
// since the markdown.it interface is a bit on the verbose side
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// we can keep some general patterns here
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export default null;
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// creates a rule suitable for inline parsing and replacement
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//
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// example:
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// const rule = inlineRegexRule(md, {
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// start: '#',
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// matcher: /^#([\w-:]{1,101})/i,
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// emitter: emitter
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// });
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// based off https://github.com/markdown-it/markdown-it-emoji/blob/master/dist/markdown-it-emoji.js
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//
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export function textReplace(state, callback, skipAllLinks) {
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var i,
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j,
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l,
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tokens,
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token,
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blockTokens = state.tokens,
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linkLevel = 0;
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for (j = 0, l = blockTokens.length; j < l; j++) {
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if (blockTokens[j].type !== "inline") {
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continue;
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}
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tokens = blockTokens[j].children;
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// We scan from the end, to keep position when new tags added.
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// Use reversed logic in links start/end match
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for (i = tokens.length - 1; i >= 0; i--) {
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token = tokens[i];
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if (skipAllLinks) {
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if (token.type === "link_open" || token.type === "link_close") {
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linkLevel -= token.nesting;
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} else if (token.type === "html_inline") {
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const openLink = token.content.substr(0, 2).toLowerCase();
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if (openLink === "<a") {
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if (token.content.match(/^<a(\s.*)?>/i)) {
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linkLevel++;
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}
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} else if (token.content.substr(0, 4).toLowerCase() === "</a>") {
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linkLevel--;
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}
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}
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} else {
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if (token.type === "link_open" || token.type === "link_close") {
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if (token.info === "auto") {
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linkLevel -= token.nesting;
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}
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}
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}
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if (token.type === "text" && linkLevel === 0) {
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let split;
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if ((split = callback(token.content, state))) {
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// replace current node
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blockTokens[j].children = tokens = state.md.utils.arrayReplaceAt(
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tokens,
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i,
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split
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);
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}
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}
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}
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}
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}
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