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26 lines
854 B
JavaScript
26 lines
854 B
JavaScript
export default classifyCharacter
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import codes from '../character/codes.mjs'
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import markdownLineEndingOrSpace from '../character/markdown-line-ending-or-space.mjs'
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import unicodePunctuation from '../character/unicode-punctuation.mjs'
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import unicodeWhitespace from '../character/unicode-whitespace.mjs'
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import constants from '../constant/constants.mjs'
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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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