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40 lines
1.1 KiB
40 lines
1.1 KiB
var lowerCase = require('lower-case') |
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var NON_WORD_REGEXP = require('./vendor/non-word-regexp') |
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var CAMEL_CASE_REGEXP = require('./vendor/camel-case-regexp') |
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var CAMEL_CASE_UPPER_REGEXP = require('./vendor/camel-case-upper-regexp') |
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/** |
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* Sentence case a string. |
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* |
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* @param {string} str |
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* @param {string} locale |
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* @param {string} replacement |
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* @return {string} |
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*/ |
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module.exports = function (str, locale, replacement) { |
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if (str == null) { |
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return '' |
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} |
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replacement = typeof replacement !== 'string' ? ' ' : replacement |
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function replace (match, index, value) { |
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if (index === 0 || index === (value.length - match.length)) { |
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return '' |
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} |
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return replacement |
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} |
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str = String(str) |
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// Support camel case ("camelCase" -> "camel Case"). |
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.replace(CAMEL_CASE_REGEXP, '$1 $2') |
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// Support odd camel case ("CAMELCase" -> "CAMEL Case"). |
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.replace(CAMEL_CASE_UPPER_REGEXP, '$1 $2') |
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// Remove all non-word characters and replace with a single space. |
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.replace(NON_WORD_REGEXP, replace) |
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// Lower case the entire string. |
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return lowerCase(str, locale) |
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}
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