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27 lines
880 B
27 lines
880 B
'use strict' |
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var codes = require('../character/codes.js') |
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var markdownLineEndingOrSpace = require('../character/markdown-line-ending-or-space.js') |
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var unicodePunctuation = require('../character/unicode-punctuation.js') |
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var unicodeWhitespace = require('../character/unicode-whitespace.js') |
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var constants = require('../constant/constants.js') |
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// Classify whether a character is unicode whitespace, unicode punctuation, or |
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// anything else. |
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// Used for attention (emphasis, strong), whose sequences can open or close |
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// based on the class of surrounding characters. |
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function classifyCharacter(code) { |
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if ( |
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code === codes.eof || |
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markdownLineEndingOrSpace(code) || |
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unicodeWhitespace(code) |
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) { |
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return constants.characterGroupWhitespace |
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} |
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if (unicodePunctuation(code)) { |
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return constants.characterGroupPunctuation |
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} |
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} |
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module.exports = classifyCharacter
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