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70 lines
2.4 KiB
70 lines
2.4 KiB
4 weeks ago
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/*! markdown-it-sub 1.0.0 https://github.com//markdown-it/markdown-it-sub @license MIT */(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.markdownitSub = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
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// Process ~subscript~
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'use strict';
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// same as UNESCAPE_MD_RE plus a space
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var UNESCAPE_RE = /\\([ \\!"#$%&'()*+,.\/:;<=>?@[\]^_`{|}~-])/g;
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function subscript(state, silent) {
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var found,
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content,
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token,
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max = state.posMax,
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start = state.pos;
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if (state.src.charCodeAt(start) !== 0x7E/* ~ */) { return false; }
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if (silent) { return false; } // don't run any pairs in validation mode
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if (start + 2 >= max) { return false; }
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state.pos = start + 1;
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while (state.pos < max) {
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if (state.src.charCodeAt(state.pos) === 0x7E/* ~ */) {
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found = true;
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break;
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}
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state.md.inline.skipToken(state);
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}
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if (!found || start + 1 === state.pos) {
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state.pos = start;
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return false;
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}
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content = state.src.slice(start + 1, state.pos);
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// don't allow unescaped spaces/newlines inside
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if (content.match(/(^|[^\\])(\\\\)*\s/)) {
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state.pos = start;
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return false;
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}
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// found!
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state.posMax = state.pos;
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state.pos = start + 1;
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// Earlier we checked !silent, but this implementation does not need it
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token = state.push('sub_open', 'sub', 1);
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token.markup = '~';
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token = state.push('text', '', 0);
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token.content = content.replace(UNESCAPE_RE, '$1');
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token = state.push('sub_close', 'sub', -1);
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token.markup = '~';
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state.pos = state.posMax + 1;
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state.posMax = max;
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return true;
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}
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module.exports = function sub_plugin(md) {
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md.inline.ruler.after('emphasis', 'sub', subscript);
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};
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},{}]},{},[1])(1)
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});
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