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23 lines
689 B
23 lines
689 B
3 years ago
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const { EOL } = require('os')
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const getFirstRegexpMatchOrDefault = (text, regexp, defaultValue) => {
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regexp.lastIndex = 0 // https://stackoverflow.com/a/11477448/4536543
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let match = regexp.exec(text)
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if (match !== null) return match[1]
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return defaultValue
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}
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const DEFAULT_INDENT = ' '
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const INDENT_REGEXP = /^([ \t]+)[^\s]/m
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module.exports.detectIndent = text =>
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getFirstRegexpMatchOrDefault(text, INDENT_REGEXP, DEFAULT_INDENT)
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module.exports.DEFAULT_INDENT = DEFAULT_INDENT
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const DEFAULT_EOL = EOL
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const EOL_REGEXP = /(\r\n|\n|\r)/g
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module.exports.detectEOL = text =>
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getFirstRegexpMatchOrDefault(text, EOL_REGEXP, DEFAULT_EOL)
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module.exports.DEFAULT_EOL = DEFAULT_EOL
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