Markdown parser, done right. 100% CommonMark support, extensions, syntax plugins & high speed
https://markdown-it.github.io/
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41 lines
927 B
41 lines
927 B
// Normalize input string
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'use strict';
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var TABS_SCAN_RE = /[\n\t]/g;
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var NEWLINES_RE = /\r[\n\u0085]|[\u2424\u2028\u0085]/g;
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var NULL_RE = /\u0000/g;
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module.exports = function inline(state) {
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var str, lineStart, lastTabPos;
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if (!state.normalizeInput) { return; }
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// Normalize newlines
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str = state.src.replace(NEWLINES_RE, '\n');
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// Replace NULL characters
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str = str.replace(NULL_RE, '\uFFFD');
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// Replace tabs with proper number of spaces (1..4)
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if (str.indexOf('\t') >= 0) {
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lineStart = 0;
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lastTabPos = 0;
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str = str.replace(TABS_SCAN_RE, function (match, offset) {
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var result;
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if (str.charCodeAt(offset) === 0x0A) {
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lineStart = offset + 1;
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lastTabPos = 0;
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return match;
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}
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result = ' '.slice((offset - lineStart - lastTabPos) % 4);
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lastTabPos = offset - lineStart + 1;
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return result;
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});
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}
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state.src = str;
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};
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