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Cleanup array mixin #16718

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merged 3 commits into from
Jun 8, 2018
Merged

Cleanup array mixin #16718

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8ad2772
small cleanup mixins/array
bekzod Jun 5, 2018
bee179d
use `tryInvoke` in `ArrayMixin.invoke`
bekzod Jun 5, 2018
8d5d760
remove redundant argument `reducerProperty`
bekzod Jun 5, 2018
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38 changes: 9 additions & 29 deletions packages/ember-runtime/lib/mixins/array.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,8 @@

import { ARRAY_AT_EACH } from '@ember/deprecated-features';
import { DEBUG } from '@glimmer/env';
import { HAS_NATIVE_PROXY } from 'ember-utils';
import { PROXY_CONTENT } from 'ember-metal';
import { symbol, toString } from 'ember-utils';
import { symbol, toString, HAS_NATIVE_PROXY, tryInvoke } from 'ember-utils';
import {
get,
set,
Expand Down Expand Up @@ -146,10 +145,7 @@ export function isArray(_obj) {
if (!obj || obj.setInterval) {
return false;
}
if (Array.isArray(obj)) {
return true;
}
if (ArrayMixin.detect(obj)) {
if (Array.isArray(obj) || ArrayMixin.detect(obj)) {
return true;
}

Expand Down Expand Up @@ -786,7 +782,7 @@ const ArrayMixin = Mixin.create(Enumerable, {
@public
*/
findBy() {
return this.find(iter(...arguments));
return find(this, iter(...arguments));
},

/**
Expand Down Expand Up @@ -845,7 +841,7 @@ const ArrayMixin = Mixin.create(Enumerable, {
@public
*/
isEvery() {
return this.every(iter(...arguments));
return every(this, iter(...arguments));
},

/**
Expand Down Expand Up @@ -903,7 +899,7 @@ const ArrayMixin = Mixin.create(Enumerable, {
@public
*/
isAny() {
return this.any(iter(...arguments));
return any(this, iter(...arguments));
},

/**
Expand Down Expand Up @@ -936,17 +932,16 @@ const ArrayMixin = Mixin.create(Enumerable, {
@method reduce
@param {Function} callback The callback to execute
@param {Object} initialValue Initial value for the reduce
@param {String} reducerProperty internal use only.
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reducerProperty seems not used anywhere and remains from SproutCore days I think

@return {Object} The reduced value.
@public
*/
reduce(callback, initialValue, reducerProperty) {
reduce(callback, initialValue) {
assert('`reduce` expects a function as first argument.', typeof callback === 'function');

let ret = initialValue;

this.forEach(function(item, i) {
ret = callback(ret, item, i, this, reducerProperty);
ret = callback(ret, item, i, this);
}, this);

return ret;
Expand All @@ -964,17 +959,7 @@ const ArrayMixin = Mixin.create(Enumerable, {
@public
*/
invoke(methodName, ...args) {
let ret = A();

this.forEach((x, idx) => {
let method = x && x[methodName];

if ('function' === typeof method) {
ret[idx] = args.length ? method.apply(x, args) : x[methodName]();
}
}, this);

return ret;
return this.map(item => tryInvoke(item, methodName, args));
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This change breaks the API of invoke, which now no longer returns an Ember.A when prototype extensions are disabled.

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is wrapping it with Ember.A ok ? or revert will help ?

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I'm going to revert just this part, and add some tests

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#16785

},

/**
Expand Down Expand Up @@ -1172,17 +1157,12 @@ const ArrayMixin = Mixin.create(Enumerable, {

const OUT_OF_RANGE_EXCEPTION = 'Index out of range';

export function removeAt(array, start, len) {
export function removeAt(array, start, len = 1) {
if ('number' === typeof start) {
if (start < 0 || start >= array.length) {
throw new EmberError(OUT_OF_RANGE_EXCEPTION);
}

// fast case
if (len === undefined) {
len = 1;
}

array.replace(start, len, EMPTY_ARRAY);
}

Expand Down