Markdown parser, done right. 100% CommonMark support, extensions, syntax plugins & high speed
https://markdown-it.github.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.6 KiB
57 lines
1.6 KiB
// Simple typographyc replacements
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//
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'use strict';
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module.exports = function replace(t, state) {
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var i, token, text,
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tokens = state.tokens,
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options = t.options;
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for (i = tokens.length - 1; i >= 0; i--) {
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token = tokens[i];
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if (token.type === 'text') {
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text = token.content;
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if (text.indexOf('(') >= 0) {
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if (options.copyright) {
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text = text.replace(/\(c\)/gi, '©');
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}
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if (options.trademark) {
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text = text.replace(/\(tm\)/gi, '™');
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}
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if (options.registered) {
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text = text.replace(/\(r\)/gi, '®');
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}
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if (options.paragraph) {
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text = text.replace(/\(p\)/gi, '§');
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}
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}
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if (options.plusminus && text.indexOf('+-') >= 0) {
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text = text.replace(/\+-/g, '±');
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}
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if (options.ellipsis && text.indexOf('..') >= 0) {
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// .., ..., ....... -> …
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// but ?..... & !..... -> ?.. & !..
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text = text.replace(/\.{2,}/g, '…').replace(/([?!])…/g, '$1..');
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}
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if (options.dupes &&
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(text.indexOf('????') >= 0 ||
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text.indexOf('!!!!') >= 0 ||
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text.indexOf(',,') >= 0)) {
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text = text.replace(/([?!]){4,}/g, '$1$1$1').replace(/,{2,}/g, ',');
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}
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if (options.dashes && text.indexOf('--') >= 0) {
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text = text
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// em-dash
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.replace(/(^|[^-])---([^-]|$)/mg, '$1\u2014$2')
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// en-dash
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.replace(/(^|\s)--(\s|$)/mg, '$1\u2013$2')
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.replace(/(^|[^-\s])--([^-\s]|$)/mg, '$1\u2013$2');
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}
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token.content = text;
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}
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}
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};
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