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Cleanup previous commit, add a _.invert unit test, and rebuild docs.

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John-David Dalton
2013-12-05 09:38:42 -08:00
parent 764299ea8a
commit bc4c043d7e
9 changed files with 285 additions and 183 deletions
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44
dist/lodash.underscore.js vendored
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@@ -853,7 +853,7 @@
/**
* Gets the appropriate "indexOf" function. If the `_.indexOf` method is
* customized, this method returns the custom method, otherwise it returns
* customized this method returns the custom method, otherwise it returns
* the `baseIndexOf` function.
*
* @private
@@ -1251,27 +1251,49 @@
}
/**
* Creates an object composed of the inverted keys and values of the given object.
* Creates an object composed of the inverted keys and values of the given
* object. If an object contains duplicate values, subsequent values will
* overwrite property assignments of previous values unless `multiValue`
* is `true`.
*
* @static
* @memberOf _
* @category Objects
* @param {Object} object The object to invert.
* @param {boolean} [multiValue=false] Allow multiple values per key in the inverted object.
* @returns {Object} Returns the created inverted object.
* @example
*
* _.invert({ 'first': 'fred', 'second': 'barney' });
* // => { 'fred': 'first', 'barney': 'second' }
*
* // without `multiValue`
* _.invert({ 'first': 'fred', 'second': 'barney', 'third': 'fred' });
* // => { 'fred': 'third', 'barney': 'second' }
*
* // with `multiValue`
* _.invert({ 'first': 'fred', 'second': 'barney', 'third': 'fred' }, true);
* // => { 'fred': ['first', 'third'], 'barney': 'second' }
*/
function invert(object) {
function invert(object, multiValue) {
var index = -1,
props = keys(object),
length = props.length,
result = {};
while (++index < length) {
var key = props[index];
result[object[key]] = key;
var key = props[index],
value = object[key];
if (multiValue && hasOwnProperty.call(result, value)) {
if (typeof result[value] == 'string') {
result[value] = [result[value]];
}
result[value].push(key);
}
else {
result[value] = key;
}
}
return result;
}
@@ -3575,9 +3597,10 @@
}
/**
* Creates an array of grouped elements, the first of which contains the first
* elements of the given arrays, the second of which contains the second
* elements of the given arrays, and so on.
* Creates an array of grouped elements, the first of which contains the
* first elements of the given arrays, the second of which contains the second
* elements of the given arrays, and so on. If a zipped value is provided its
* corresponding unzipped value will be returned.
*
* @static
* @memberOf _
@@ -3589,6 +3612,9 @@
*
* _.zip(['fred', 'barney'], [30, 40], [true, false]);
* // => [['fred', 30, true], ['barney', 40, false]]
*
* _.unzip([['fred', 30, true], ['barney', 40, false]]);
* // => [['fred', 'barney'], [30, 40], [true, false]]
*/
function zip() {
var index = -1,
@@ -4900,7 +4926,7 @@
/*--------------------------------------------------------------------------*/
// add functions to `lodash.prototype`
mixin(lodash);
mixin(assign({}, lodash));
/**
* The semantic version number.