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>
79 lines
1.5 KiB
JavaScript
79 lines
1.5 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:thematic-break
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* @fileoverview Tokenise a thematic break.
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*/
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'use strict';
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module.exports = thematicBreak;
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var C_NEWLINE = '\n';
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var C_TAB = '\t';
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var C_SPACE = ' ';
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var C_ASTERISK = '*';
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var C_UNDERSCORE = '_';
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var C_DASH = '-';
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var THEMATIC_BREAK_MARKER_COUNT = 3;
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/* Tokenise a thematic break. */
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function thematicBreak(eat, value, silent) {
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var index = -1;
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var length = value.length + 1;
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var subvalue = '';
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var character;
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var marker;
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var markerCount;
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var queue;
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while (++index < length) {
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character = value.charAt(index);
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if (character !== C_TAB && character !== C_SPACE) {
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break;
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}
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subvalue += character;
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}
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if (
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character !== C_ASTERISK &&
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character !== C_DASH &&
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character !== C_UNDERSCORE
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) {
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return;
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}
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marker = character;
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subvalue += character;
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markerCount = 1;
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queue = '';
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while (++index < length) {
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character = value.charAt(index);
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if (character === marker) {
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markerCount++;
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subvalue += queue + marker;
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queue = '';
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} else if (character === C_SPACE) {
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queue += character;
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} else if (
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markerCount >= THEMATIC_BREAK_MARKER_COUNT &&
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(!character || character === C_NEWLINE)
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) {
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subvalue += queue;
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if (silent) {
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return true;
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}
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return eat(subvalue)({type: 'thematicBreak'});
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} else {
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return;
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}
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}
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}
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