3bc72ab274
* Remove pinning of eslint-plugin-markdown An issue affecting Node.js source has been fixed in eslint-plugin-markdown so we don't need to pin it to beta-4 anymore. Refs: https://github.com/eslint/eslint-plugin-markdown/issues/69 * Update eslint-plugin-markdown up to 1.0.0-beta.7 * Fix docs for eslint-plugin-markdown@1.0.0-beta.7 PR-URL: https://github.com/nodejs/node/pull/14047 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
94 lines
1.9 KiB
JavaScript
94 lines
1.9 KiB
JavaScript
/**
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* @author Titus Wormer
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* @copyright 2015 Titus Wormer
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* @license MIT
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* @module remark:parse:tokenize:emphasis
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* @fileoverview Tokenise emphasis.
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*/
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'use strict';
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var trim = require('trim');
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var word = require('is-word-character');
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var whitespace = require('is-whitespace-character');
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var locate = require('../locate/emphasis');
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module.exports = emphasis;
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emphasis.locator = locate;
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var C_ASTERISK = '*';
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var C_UNDERSCORE = '_';
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/* Tokenise emphasis. */
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function emphasis(eat, value, silent) {
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var self = this;
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var index = 0;
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var character = value.charAt(index);
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var now;
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var pedantic;
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var marker;
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var queue;
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var subvalue;
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var length;
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var prev;
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if (character !== C_ASTERISK && character !== C_UNDERSCORE) {
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return;
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}
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pedantic = self.options.pedantic;
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subvalue = character;
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marker = character;
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length = value.length;
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index++;
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queue = '';
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character = '';
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if (pedantic && whitespace(value.charAt(index))) {
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return;
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}
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while (index < length) {
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prev = character;
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character = value.charAt(index);
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if (character === marker && (!pedantic || !whitespace(prev))) {
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character = value.charAt(++index);
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if (character !== marker) {
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if (!trim(queue) || prev === marker) {
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return;
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}
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if (!pedantic && marker === C_UNDERSCORE && word(character)) {
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queue += marker;
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continue;
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}
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/* istanbul ignore if - never used (yet) */
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if (silent) {
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return true;
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}
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now = eat.now();
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now.column++;
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now.offset++;
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return eat(subvalue + queue + marker)({
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type: 'emphasis',
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children: self.tokenizeInline(queue, now)
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});
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}
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queue += marker;
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}
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if (!pedantic && character === '\\') {
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queue += character;
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character = value.charAt(++index);
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}
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queue += character;
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index++;
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}
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}
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