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Add support for astral symbols to _.camelCase, _.capitalize, _.startCase, and _.words.

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John-David Dalton
2015-09-14 10:05:53 -07:00
parent 0ae254d6b4
commit e9bfaa7d51
1 changed files with 15 additions and 8 deletions
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23
lodash.js
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@@ -93,8 +93,8 @@
uint32Tag = '[object Uint32Array]';
/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
var reStrSymbol = /[^\uD800-\uDBFF\uDC00-\uDFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF\uDC00-\uDFFF]/g,
reStrSurrogate = /[\uD800-\uDBFF\uDC00-\uDFFF]/;
var reStrSymbol = /[^\ud800-\udbff\udc00-\udfff]|[\ud800-\udbff][\udc00-\udfff]|[\ud800-\udbff\udc00-\udfff]/g,
reStrSurrogate = /[\ud800-\udbff\udc00-\udfff]/;
/** Used to match empty string literals in compiled template source. */
var reEmptyStringLeading = /\b__p \+= '';/g,
@@ -153,10 +153,12 @@
/** Used to match words to create compound words. */
var reWords = (function() {
var upper = '[A-Z\\xc0-\\xd6\\xd8-\\xde]',
lower = '[a-z\\xdf-\\xf6\\xf8-\\xff]+';
var astrals = '[\\ud800-\\udbff][\\udc00-\\udfff]',
upper = '[A-Z\\xc0-\\xd6\\xd8-\\xde]',
lower = '[a-z\\xdf-\\xf6\\xf8-\\xff]+',
digits = '\\d+';
return RegExp(upper + '+(?=' + upper + lower + ')|' + upper + '?' + lower + '|' + upper + '+|[0-9]+', 'g');
return RegExp(upper + '+(?=' + upper + lower + ')|' + upper + '?' + [lower, upper + '+', astrals, digits].join('|'), 'g');
}());
/** Used to assign default `context` object properties. */
@@ -10288,7 +10290,7 @@
*/
var camelCase = createCompounder(function(result, word, index) {
word = word.toLowerCase();
return result + (index ? (word.charAt(0).toUpperCase() + word.slice(1)) : word);
return result + (index ? capitalize(word) : word);
});
/**
@@ -10306,7 +10308,11 @@
*/
function capitalize(string) {
string = baseToString(string);
return string && (string.charAt(0).toUpperCase() + string.slice(1));
if (!string) {
return string;
}
var symbols = stringToArray(string);
return symbols[0].toUpperCase() + symbols.slice(1).join('');
}
/**
@@ -10654,7 +10660,8 @@
* // => 'Foo Bar'
*/
var startCase = createCompounder(function(result, word, index) {
return result + (index ? ' ' : '') + (word.charAt(0).toUpperCase() + word.slice(1));
var symbols = stringToArray(word);
return result + (index ? ' ' : '') + (symbols[0].toUpperCase() + symbols.slice(1).join(''));
});
/**