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Ensure _.camelCase handles acronyms and numbers.

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John-David Dalton
2014-03-27 09:22:17 -07:00
parent 07f1a13cbf
commit e5697a8070
2 changed files with 37 additions and 3 deletions
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15
lodash.js
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@@ -28,6 +28,9 @@
/** Used to generate unique IDs */
var idCounter = 0;
/** Used to detect words composed of all capital letters */
var reAllCaps = /^[A-Z]+$/;
/** Used to match empty string literals in compiled template source */
var reEmptyStringLeading = /\b__p \+= '';/g,
reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
@@ -78,7 +81,7 @@
var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
/** Used to match words to create compound words */
var reWords = /[A-Z]{2,}|[a-zA-Z0-9][a-z0-9]*/g;
var reWords = /[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[a-z]+|[0-9]+/g;
/** Used to detect and test whitespace */
var whitespace = (
@@ -6946,8 +6949,14 @@
* _.camelCase('__hello_world__');
* // => 'helloWorld'
*/
var camelCase = createCompounder(function(result, word, index) {
return result + word.charAt(0)[index ? 'toUpperCase' : 'toLowerCase']() + word.slice(1);
var camelCase = createCompounder(function(result, word, index, words) {
if (!index && reAllCaps.test(word)) {
return result + word.toLowerCase();
}
var lastWord = index && words[index - 1],
isCapped = index && !(index > 1 && words.length == 3 && (lastWord == 2 || lastWord == 4));
return result + (word.charAt(0)[isCapped ? 'toUpperCase' : 'toLowerCase']() + word.slice(1));
});
/**