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Allow _.omit and _.pick to work as a callback for _.map when combined with _.partialRight.

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This commit is contained in:
John-David Dalton
2014-02-04 00:35:14 -08:00
parent 143e9bd210
commit 201d17bc31
8 changed files with 237 additions and 152 deletions
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84
dist/lodash.compat.js vendored
View File

@@ -2377,8 +2377,7 @@
callback = isShallow;
isShallow = false;
// allows working with functions like `_.map` without using
// their `index` argument as a callback
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === array) {
callback = null;
}
@@ -3059,8 +3058,7 @@
callback = isSorted;
isSorted = false;
// allows working with functions like `_.map` without using
// their `index` argument as a callback
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === array) {
callback = null;
}
@@ -3342,8 +3340,7 @@
length = props.length,
type = typeof guard;
// allows working with functions like `_.map` without using
// their `index` arguments
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && args[2] && args[2][guard] === collection) {
length = 1;
}
@@ -3980,8 +3977,7 @@
result = computed,
type = typeof callback;
// allows working with functions like `_.map` without using
// their `index` argument as a callback
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === collection) {
callback = null;
}
@@ -4056,8 +4052,7 @@
result = computed,
type = typeof callback;
// allows working with functions like `_.map` without using
// their `index` argument as a callback
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === collection) {
callback = null;
}
@@ -4247,8 +4242,7 @@
* @category Collections
* @param {Array|Object|string} collection The collection to sample.
* @param {number} [n] The number of elements to sample.
* @param- {Object} [guard] Allows working with functions like `_.map`
* without using their `index` arguments as `n`.
* @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
* @returns {*} Returns the random sample(s) of `collection`.
* @example
*
@@ -5209,8 +5203,7 @@
* return typeof a == 'undefined' ? b : a;
* });
*
* var object = { 'name': 'barney' };
* defaults(object, { 'name': 'fred', 'employer': 'slate' });
* defaults({ 'name': 'barney' }, { 'name': 'fred', 'employer': 'slate' });
* // => { 'name': 'barney', 'employer': 'slate' }
*/
function assign(object, source, guard) {
@@ -5219,8 +5212,7 @@
argsLength = args.length,
type = typeof guard;
// allows working with functions like `_.reduce` without using their
// `key` and `object` arguments as sources
// enables use as a callback for functions like `_.reduce`
if ((type == 'number' || type == 'string') && args[3] && args[3][guard] === source) {
argsLength = 2;
}
@@ -5301,8 +5293,7 @@
callback = isDeep;
isDeep = false;
// allows working with functions like `_.map` without using
// their `index` argument as a callback
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === value) {
callback = null;
}
@@ -5402,13 +5393,11 @@
* @category Objects
* @param {Object} object The destination object.
* @param {...Object} [source] The source objects.
* @param- {Object} [guard] Allows working with functions like `_.reduce`
* without using their `key` and `object` arguments as sources.
* @param- {Object} [guard] Enables use as a callback for functions like `_.reduce`.
* @returns {Object} Returns the destination object.
* @example
*
* var object = { 'name': 'barney' };
* _.defaults(object, { 'name': 'fred', 'employer': 'slate' });
* _.defaults({ 'name': 'barney' }, { 'name': 'fred', 'employer': 'slate' });
* // => { 'name': 'barney', 'employer': 'slate' }
*/
function defaults(object, source, guard) {
@@ -5417,8 +5406,7 @@
argsLength = args.length,
type = typeof guard;
// allows working with functions like `_.reduce` without using their
// `key` and `object` arguments as sources
// enables use as a callback for functions like `_.reduce`
if ((type == 'number' || type == 'string') && args[3] && args[3][guard] === source) {
argsLength = 2;
}
@@ -6320,8 +6308,7 @@
length = args.length,
type = typeof guard;
// allows working with functions like `_.reduce` without using their
// `key` and `object` arguments as sources
// enables use as a callback for functions like `_.reduce`
if ((type == 'number' || type == 'string') && args[3] && args[3][guard] === source) {
length = 2;
}
@@ -6356,8 +6343,9 @@
* @memberOf _
* @category Objects
* @param {Object} object The source object.
* @param {Function|...string|string[]} [callback] The properties to omit or the
* function called per iteration.
* @param {Function|...string|string[]} [callback] The function called per
* iteration or property names to omit, specified as individual property
* names or arrays of property names.
* @param {*} [thisArg] The `this` binding of `callback`.
* @returns {Object} Returns an object without the omitted properties.
* @example
@@ -6371,16 +6359,31 @@
* // => { 'name': 'fred' }
*/
function omit(object, callback, thisArg) {
var result = {};
if (typeof callback != 'function') {
var result = {},
type = typeof callback;
if (type != 'function') {
// enables use as a callback for functions like `_.map`
// when combined with `_.partialRight`
var args = arguments;
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === object) {
args = slice(args);
splice.call(args, 1, 2);
}
var omitProps = baseFlatten(args, true, false, 1),
length = omitProps.length;
while (length--) {
omitProps[length] = String(omitProps[length]);
}
var props = [];
baseForIn(object, function(value, key) {
props.push(key);
});
props = baseDifference(props, baseFlatten(arguments, true, false, 1));
var index = -1,
length = props.length;
var index = -1;
props = baseDifference(props, omitProps);
length = props.length;
while (++index < length) {
var key = props[index];
@@ -6452,10 +6455,19 @@
* // => { 'name': 'fred' }
*/
function pick(object, callback, thisArg) {
var result = {};
if (typeof callback != 'function') {
var result = {},
type = typeof callback;
if (type != 'function') {
// enables use as a callback for functions like `_.map`
// when combined with `_.partialRight`
var args = arguments;
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === object) {
args = slice(args);
splice.call(args, 1, 2);
}
var index = -1,
props = baseFlatten(arguments, true, false, 1),
props = baseFlatten(args, true, false, 1),
length = isObject(object) ? props.length : 0;
while (++index < length) {

6
dist/lodash.compat.min.js vendored
View File

@@ -47,9 +47,9 @@ return"boolean"!=u&&null!=t&&(e=r,r=t,t=false,"number"!=u&&"string"!=u||!e||e[r]
for(t=H(t,r,3);u--&&(r=e[u],false!==t(n[r],r,n)););return n},u.functions=er,u.groupBy=ve,u.indexBy=ye,u.initial=function(n,t,r){var e=0,o=n?n.length:0;if(typeof t!="number"&&null!=t){var a=o;for(t=u.createCallback(t,r,3);a--&&t(n[a],a,n);)e++}else e=null==t||r?1:t||e;return e=o-e,qt(n,0,0<e?e:0)},u.intersection=function(){for(var n=[],e=-1,u=arguments.length,o=c(),a=St(),i=ce&&a===t,l=c();++e<u;){var f=arguments[e];(de(f)||Nt(f))&&(n.push(f),o.push(i&&f.length>=S&&ce(e?n[e]:l)))}var i=n[0],p=-1,g=i?i.length:0,h=[];
n:for(;++p<g;){var v=o[0],f=i[p];if(0>(v?r(v,f):a(l,f))){for(e=u,(v||l).push(f);--e;)if(v=o[e],0>(v?r(v,f):a(n[e],f)))continue n;h.push(f)}}return s(o),s(l),h},u.invert=function(n,t){for(var r=-1,e=_e(n),u=e.length,o={};++r<u;){var a=e[r],i=n[a];t?Br.call(o,i)?o[i].push(a):o[i]=[a]:o[i]=a}return o},u.invoke=function(n,t){var r=-1,e=typeof t=="function",u=n?n.length:0,o=yr(typeof u=="number"?u:0);if(3>arguments.length&&de(n))for(;++r<u;){var a=n[r];o[r]=e?t.call(a):a[t]()}else{var i=qt(arguments,2);
ht(n,function(n){o[++r]=(e?t:n[t]).apply(n,i)})}return o},u.keys=_e,u.map=Xt,u.mapValues=function(n,t,r){var e={};return t=u.createCallback(t,r,3),dt(n,function(n,r,u){e[r]=t(n,r,u)}),e},u.match=sr,u.max=Gt,u.memoize=function(n,t){if(!or(n))throw new kr;var r=function(){var e=r.cache,u=t?t.apply(this,arguments):"_"+arguments[0];return Br.call(e,u)?e[u]:e[u]=n.apply(this,arguments)};return r.cache={},r},u.merge=function(n,t,r){if(!ar(n))return n;var e=arguments,u=e.length,o=typeof r;if("number"!=o&&"string"!=o||!e[3]||e[3][r]!==t||(u=2),3<u&&"function"==typeof e[u-2])var a=H(e[--u-1],e[u--],2);
else 2<u&&"function"==typeof e[u-1]&&(a=e[--u]);for(var e=qt(arguments,1,u),o=-1,i=c(),l=c();++o<u;)jt(n,e[o],a,i,l);return s(i),s(l),n},u.min=function(n,t,r){var o=1/0,a=o,i=typeof t;if("number"!=i&&"string"!=i||!r||r[t]!==n||(t=null),null==t&&de(n))for(r=-1,i=n.length;++r<i;){var l=n[r];l<a&&(a=l)}else t=null==t&&lr(n)?e:u.createCallback(t,r,3),ht(n,function(n,r,e){r=t(n,r,e),r<o&&(o=r,a=n)});return a},u.omit=function(n,t,r){var e={};if(typeof t!="function"){var o=[];se(n,function(n,t){o.push(t)
});for(var o=gt(o,mt(arguments,true,false,1)),a=-1,i=o.length;++a<i;){var l=o[a];e[l]=n[l]}}else t=u.createCallback(t,r,3),se(n,function(n,r,u){t(n,r,u)||(e[r]=n)});return e},u.once=function(n){var t,r;if(!or(n))throw new kr;return function(){return t?r:(t=true,r=n.apply(this,arguments),n=null,r)}},u.pairs=function(n){for(var t=-1,r=_e(n),e=r.length,u=yr(e);++t<e;){var o=r[t];u[t]=[o,n[o]]}return u},u.partial=function(n){var t=n&&(n[N]?n[N][2]:n.length),r=qt(arguments,1),t=t-r.length;return Ot(n,O,t,null,r)
},u.partialRight=function(n){var t=n&&(n[N]?n[N][2]:n.length),r=qt(arguments,1),t=t-r.length;return Ot(n,E,t,null,null,r)},u.pick=function(n,t,r){var e={};if(typeof t!="function")for(var o=-1,a=mt(arguments,true,false,1),i=ar(n)?a.length:0;++o<i;){var l=a[o];l in n&&(e[l]=n[l])}else t=u.createCallback(t,r,3),se(n,function(n,r,u){t(n,r,u)&&(e[r]=n)});return e},u.pluck=me,u.property=vr,u.pull=function(n){for(var t=arguments,r=0,e=t.length,u=n?n.length:0;++r<e;)for(var o=-1,a=t[r];++o<u;)n[o]===a&&(Mr.call(n,o--,1),u--);
else 2<u&&"function"==typeof e[u-1]&&(a=e[--u]);for(var e=qt(arguments,1,u),o=-1,i=c(),l=c();++o<u;)jt(n,e[o],a,i,l);return s(i),s(l),n},u.min=function(n,t,r){var o=1/0,a=o,i=typeof t;if("number"!=i&&"string"!=i||!r||r[t]!==n||(t=null),null==t&&de(n))for(r=-1,i=n.length;++r<i;){var l=n[r];l<a&&(a=l)}else t=null==t&&lr(n)?e:u.createCallback(t,r,3),ht(n,function(n,r,e){r=t(n,r,e),r<o&&(o=r,a=n)});return a},u.omit=function(n,t,r){var e={},o=typeof t;if("function"!=o){var a=arguments;"number"!=o&&"string"!=o||!r||r[t]!==n||(a=qt(a),Mr.call(a,1,2));
for(var i=mt(a,true,false,1),o=i.length;o--;)i[o]=Cr(i[o]);var l=[];for(se(n,function(n,t){l.push(t)}),a=-1,l=gt(l,i),o=l.length;++a<o;)i=l[a],e[i]=n[i]}else t=u.createCallback(t,r,3),se(n,function(n,r,u){t(n,r,u)||(e[r]=n)});return e},u.once=function(n){var t,r;if(!or(n))throw new kr;return function(){return t?r:(t=true,r=n.apply(this,arguments),n=null,r)}},u.pairs=function(n){for(var t=-1,r=_e(n),e=r.length,u=yr(e);++t<e;){var o=r[t];u[t]=[o,n[o]]}return u},u.partial=function(n){var t=n&&(n[N]?n[N][2]:n.length),r=qt(arguments,1),t=t-r.length;
return Ot(n,O,t,null,r)},u.partialRight=function(n){var t=n&&(n[N]?n[N][2]:n.length),r=qt(arguments,1),t=t-r.length;return Ot(n,E,t,null,null,r)},u.pick=function(n,t,r){var e={},o=typeof t;if("function"!=o){var a=arguments;"number"!=o&&"string"!=o||!r||r[t]!==n||(a=qt(a),Mr.call(a,1,2));for(var o=-1,a=mt(a,true,false,1),i=ar(n)?a.length:0;++o<i;){var l=a[o];l in n&&(e[l]=n[l])}}else t=u.createCallback(t,r,3),se(n,function(n,r,u){t(n,r,u)&&(e[r]=n)});return e},u.pluck=me,u.property=vr,u.pull=function(n){for(var t=arguments,r=0,e=t.length,u=n?n.length:0;++r<e;)for(var o=-1,a=t[r];++o<u;)n[o]===a&&(Mr.call(n,o--,1),u--);
return n},u.range=function(n,t,r){n=+n||0,r=typeof r=="number"?r:+r||1,null==t&&(t=n,n=0);var e=-1;t=Zr(0,Pr((t-n)/(r||1)));for(var u=yr(t);++e<t;)u[e]=n,n+=r;return u},u.reject=function(n,t,r){return t=u.createCallback(t,r,3),Kt(n,function(n,r,e){return!t(n,r,e)})},u.remove=function(n,t,r){var e=-1,o=n?n.length:0,a=[];for(t=u.createCallback(t,r,3);++e<o;)r=n[e],t(r,e,n)&&(a.push(r),Mr.call(n,e--,1),o--);return a},u.rest=Pt,u.shuffle=Qt,u.slice=qt,u.sortBy=function(n,t,r){var e=-1,o=t&&de(t),l=n?n.length:0,f=yr(typeof l=="number"?l:0);
for(o||(t=u.createCallback(t,r,3)),ht(n,function(n,r,u){if(o)for(u=t.length,r=yr(u);u--;)r[u]=n[t[u]];else r=t(n,r,u);u=f[++e]=J.pop()||{f:null,g:0,h:null},u.f=r,u.g=e,u.h=n}),l=f.length,f.sort(o?i:a);l--;)n=f[l],f[l]=n.h,g(n);return f},u.tap=function(n,t,r){return t.call(r,n),n},u.throttle=function(n,t,r){var e=true,u=true;if(!or(n))throw new kr;return false===r?e=false:ar(r)&&(e="leading"in r?r.leading:e,u="trailing"in r?r.trailing:u),ct.leading=e,ct.maxWait=t,ct.trailing=u,nr(n,t,ct)},u.times=function(n,t,r){n=-1<(n=+n)?n:0;
var e=-1,u=yr(n);for(t=H(t,r,1);++e<n;)u[e]=t(e);return u},u.toArray=function(n){return n&&typeof n.length=="number"?fe.unindexedChars&&lr(n)?n.split(""):qt(n):fr(n)},u.transform=function(n,t,r,e){var o=de(n);if(null==r)if(o)r=[];else{var a=n&&n.constructor;r=A(a&&a.prototype)}return t&&(t=u.createCallback(t,e,4),(o?ht:dt)(n,function(n,e,u){return t(r,n,e,u)})),r},u.union=function(){return Ct(mt(arguments,true,true))},u.uniq=$t,u.values=fr,u.where=Kt,u.without=function(n){return gt(n,qt(arguments,1))

84
dist/lodash.js vendored
View File

@@ -2114,8 +2114,7 @@
callback = isShallow;
isShallow = false;
// allows working with functions like `_.map` without using
// their `index` argument as a callback
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === array) {
callback = null;
}
@@ -2796,8 +2795,7 @@
callback = isSorted;
isSorted = false;
// allows working with functions like `_.map` without using
// their `index` argument as a callback
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === array) {
callback = null;
}
@@ -3079,8 +3077,7 @@
length = props.length,
type = typeof guard;
// allows working with functions like `_.map` without using
// their `index` arguments
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && args[2] && args[2][guard] === collection) {
length = 1;
}
@@ -3718,8 +3715,7 @@
result = computed,
type = typeof callback;
// allows working with functions like `_.map` without using
// their `index` argument as a callback
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === collection) {
callback = null;
}
@@ -3794,8 +3790,7 @@
result = computed,
type = typeof callback;
// allows working with functions like `_.map` without using
// their `index` argument as a callback
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === collection) {
callback = null;
}
@@ -3985,8 +3980,7 @@
* @category Collections
* @param {Array|Object|string} collection The collection to sample.
* @param {number} [n] The number of elements to sample.
* @param- {Object} [guard] Allows working with functions like `_.map`
* without using their `index` arguments as `n`.
* @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
* @returns {*} Returns the random sample(s) of `collection`.
* @example
*
@@ -4943,8 +4937,7 @@
* return typeof a == 'undefined' ? b : a;
* });
*
* var object = { 'name': 'barney' };
* defaults(object, { 'name': 'fred', 'employer': 'slate' });
* defaults({ 'name': 'barney' }, { 'name': 'fred', 'employer': 'slate' });
* // => { 'name': 'barney', 'employer': 'slate' }
*/
function assign(object, source, guard) {
@@ -4953,8 +4946,7 @@
argsLength = args.length,
type = typeof guard;
// allows working with functions like `_.reduce` without using their
// `key` and `object` arguments as sources
// enables use as a callback for functions like `_.reduce`
if ((type == 'number' || type == 'string') && args[3] && args[3][guard] === source) {
argsLength = 2;
}
@@ -5035,8 +5027,7 @@
callback = isDeep;
isDeep = false;
// allows working with functions like `_.map` without using
// their `index` argument as a callback
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === value) {
callback = null;
}
@@ -5136,13 +5127,11 @@
* @category Objects
* @param {Object} object The destination object.
* @param {...Object} [source] The source objects.
* @param- {Object} [guard] Allows working with functions like `_.reduce`
* without using their `key` and `object` arguments as sources.
* @param- {Object} [guard] Enables use as a callback for functions like `_.reduce`.
* @returns {Object} Returns the destination object.
* @example
*
* var object = { 'name': 'barney' };
* _.defaults(object, { 'name': 'fred', 'employer': 'slate' });
* _.defaults({ 'name': 'barney' }, { 'name': 'fred', 'employer': 'slate' });
* // => { 'name': 'barney', 'employer': 'slate' }
*/
function defaults(object, source, guard) {
@@ -5151,8 +5140,7 @@
argsLength = args.length,
type = typeof guard;
// allows working with functions like `_.reduce` without using their
// `key` and `object` arguments as sources
// enables use as a callback for functions like `_.reduce`
if ((type == 'number' || type == 'string') && args[3] && args[3][guard] === source) {
argsLength = 2;
}
@@ -6041,8 +6029,7 @@
length = args.length,
type = typeof guard;
// allows working with functions like `_.reduce` without using their
// `key` and `object` arguments as sources
// enables use as a callback for functions like `_.reduce`
if ((type == 'number' || type == 'string') && args[3] && args[3][guard] === source) {
length = 2;
}
@@ -6077,8 +6064,9 @@
* @memberOf _
* @category Objects
* @param {Object} object The source object.
* @param {Function|...string|string[]} [callback] The properties to omit or the
* function called per iteration.
* @param {Function|...string|string[]} [callback] The function called per
* iteration or property names to omit, specified as individual property
* names or arrays of property names.
* @param {*} [thisArg] The `this` binding of `callback`.
* @returns {Object} Returns an object without the omitted properties.
* @example
@@ -6092,16 +6080,31 @@
* // => { 'name': 'fred' }
*/
function omit(object, callback, thisArg) {
var result = {};
if (typeof callback != 'function') {
var result = {},
type = typeof callback;
if (type != 'function') {
// enables use as a callback for functions like `_.map`
// when combined with `_.partialRight`
var args = arguments;
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === object) {
args = slice(args);
splice.call(args, 1, 2);
}
var omitProps = baseFlatten(args, true, false, 1),
length = omitProps.length;
while (length--) {
omitProps[length] = String(omitProps[length]);
}
var props = [];
baseForIn(object, function(value, key) {
props.push(key);
});
props = baseDifference(props, baseFlatten(arguments, true, false, 1));
var index = -1,
length = props.length;
var index = -1;
props = baseDifference(props, omitProps);
length = props.length;
while (++index < length) {
var key = props[index];
@@ -6173,10 +6176,19 @@
* // => { 'name': 'fred' }
*/
function pick(object, callback, thisArg) {
var result = {};
if (typeof callback != 'function') {
var result = {},
type = typeof callback;
if (type != 'function') {
// enables use as a callback for functions like `_.map`
// when combined with `_.partialRight`
var args = arguments;
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === object) {
args = slice(args);
splice.call(args, 1, 2);
}
var index = -1,
props = baseFlatten(arguments, true, false, 1),
props = baseFlatten(args, true, false, 1),
length = isObject(object) ? props.length : 0;
while (++index < length) {

6
dist/lodash.min.js vendored
View File

@@ -43,9 +43,9 @@ return"boolean"!=u&&null!=t&&(e=r,r=t,t=false,"number"!=u&&"string"!=u||!e||e[r]
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n:for(;++s<g;){var v=o[0],l=a[s];if(0>(v?r(v,l):i(f,l))){for(e=u,(v||f).push(l);--e;)if(v=o[e],0>(v?r(v,l):i(n[e],l)))continue n;h.push(l)}}return p(o),p(f),h},y.invert=function(n,t){for(var r=-1,e=he(n),u=e.length,o={};++r<u;){var i=e[r],a=n[i];t?Br.call(o,a)?o[a].push(i):o[a]=[i]:o[a]=i}return o},y.invoke=function(n,t){var r=-1,e=typeof t=="function",u=n?n.length:0,o=hr(typeof u=="number"?u:0);if(3>arguments.length&&typeof u=="number")for(;++r<u;){var i=n[r];o[r]=e?t.call(i):i[t]()}else{var a=Tt(arguments,2);
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60
dist/lodash.underscore.js vendored
View File

@@ -1825,8 +1825,7 @@
callback = isSorted;
isSorted = false;
// allows working with functions like `_.map` without using
// their `index` argument as a callback
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === array) {
callback = null;
}
@@ -2603,8 +2602,7 @@
result = computed,
type = typeof callback;
// allows working with functions like `_.map` without using
// their `index` argument as a callback
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === collection) {
callback = null;
}
@@ -2677,8 +2675,7 @@
result = computed,
type = typeof callback;
// allows working with functions like `_.map` without using
// their `index` argument as a callback
// enables use as a callback for functions like `_.map`
if ((type == 'number' || type == 'string') && thisArg && thisArg[callback] === collection) {
callback = null;
}
@@ -2866,8 +2863,7 @@
* @category Collections
* @param {Array|Object|string} collection The collection to sample.
* @param {number} [n] The number of elements to sample.
* @param- {Object} [guard] Allows working with functions like `_.map`
* without using their `index` arguments as `n`.
* @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
* @returns {*} Returns the random sample(s) of `collection`.
* @example
*
@@ -3696,8 +3692,7 @@
* return typeof a == 'undefined' ? b : a;
* });
*
* var object = { 'name': 'barney' };
* defaults(object, { 'name': 'fred', 'employer': 'slate' });
* defaults({ 'name': 'barney' }, { 'name': 'fred', 'employer': 'slate' });
* // => { 'name': 'barney', 'employer': 'slate' }
*/
function assign(object, source, guard) {
@@ -3785,13 +3780,11 @@
* @category Objects
* @param {Object} object The destination object.
* @param {...Object} [source] The source objects.
* @param- {Object} [guard] Allows working with functions like `_.reduce`
* without using their `key` and `object` arguments as sources.
* @param- {Object} [guard] Enables use as a callback for functions like `_.reduce`.
* @returns {Object} Returns the destination object.
* @example
*
* var object = { 'name': 'barney' };
* _.defaults(object, { 'name': 'fred', 'employer': 'slate' });
* _.defaults({ 'name': 'barney' }, { 'name': 'fred', 'employer': 'slate' });
* // => { 'name': 'barney', 'employer': 'slate' }
*/
function defaults(object, source, guard) {
@@ -4298,8 +4291,9 @@
* @memberOf _
* @category Objects
* @param {Object} object The source object.
* @param {Function|...string|string[]} [callback] The properties to omit or the
* function called per iteration.
* @param {Function|...string|string[]} [callback] The function called per
* iteration or property names to omit, specified as individual property
* names or arrays of property names.
* @param {*} [thisArg] The `this` binding of `callback`.
* @returns {Object} Returns an object without the omitted properties.
* @example
@@ -4312,16 +4306,29 @@
* });
* // => { 'name': 'fred' }
*/
function omit(object) {
function omit(object, guard) {
var args = arguments,
result = {},
type = typeof guard;
if ((type == 'number' || type == 'string') && args[2] && args[2][guard] === object) {
args = slice(args);
splice.call(args, 1, 2);
}
var omitProps = baseFlatten(args, true, false, 1),
length = omitProps.length;
while (length--) {
omitProps[length] = String(omitProps[length]);
}
var props = [];
baseForIn(object, function(value, key) {
props.push(key);
});
props = baseDifference(props, baseFlatten(arguments, true, false, 1));
var index = -1,
length = props.length,
result = {};
var index = -1;
props = baseDifference(props, omitProps);
length = props.length;
while (++index < length) {
var key = props[index];
@@ -4384,9 +4391,16 @@
* });
* // => { 'name': 'fred' }
*/
function pick(object) {
function pick(object, guard) {
var args = arguments,
type = typeof guard;
if ((type == 'number' || type == 'string') && args[2] && args[2][guard] === object) {
args = slice(args);
splice.call(args, 1, 2);
}
var index = -1,
props = baseFlatten(arguments, true, false, 1),
props = baseFlatten(args, true, false, 1),
length = props.length,
result = {};

15
dist/lodash.underscore.min.js vendored
View File

@@ -28,13 +28,14 @@ for(var t in n)if(r(n[t],t,n)===cr)break;return n},tt=function(n){var r=[];if(!J
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},o.forEach=F,o.functions=V,o.groupBy=ut,o.indexBy=ot,o.initial=function(n,r,t){var e=0,u=n?n.length:0;if(typeof r!="number"&&null!=r){var o=u;for(r=X(r,t,3);o--&&r(n[o],o,n);)e++}else e=null==r||t?1:r||e;return e=u-e,A(n,0,0<e?e:0)},o.intersection=function(){for(var n=[],r=-1,t=arguments.length;++r<t;){var e=arguments[r];(ft(e)||w(e))&&n.push(e)}var u=n[0],o=-1,i=_(),f=u?u.length:0,a=[];n:for(;++o<f;)if(e=u[o],0>i(a,e)){for(r=t;--r;)if(0>i(n[r],e))continue n;a.push(e)}return a},o.invert=function(n){for(var r=-1,t=at(n),e=t.length,u={};++r<e;){var o=t[r];
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