Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | /* global Symbol */ import { A } from '@ember/array'; import { buildSelector, assign as mergeFunction } from '../../helpers'; import { create } from '../../create'; import { count } from '../count'; import Ceibo from 'ceibo'; const arrayDelegateMethods = ['map', 'filter', 'mapBy', 'filterBy', 'forEach']; function merge(target, ...objects) { objects.forEach((o) => mergeFunction(target, o)); return target; } function generateEnumerable(node, definition, item, key) { let enumerable = merge({}, definition); if (typeof (enumerable.count) === 'undefined') { enumerable.count = count(item.itemScope); } if (typeof (enumerable.toArray) === 'undefined') { enumerable.toArray = toArrayMethod(node, item, key); arrayDelegateMethods.forEach((method) => delegateToArray(enumerable, method)); } let collection = create(enumerable, { parent: node }); if (typeof (Symbol) !== 'undefined' && Symbol.iterator) { collection[Symbol.iterator] = iteratorMethod; } // Change the key of the root node Ceibo.meta(collection).key = `${key}()`; return collection; } function generateItem(node, index, definition, key) { let filters = merge({}, { scope: definition.scope, at: index }); let scope = buildSelector({}, definition.itemScope, filters); let tree = create( merge( { testContainer: definition.testContainer }, definition.item, { scope, resetScope: definition.resetScope } ), { parent: node }); // Change the key of the root node Ceibo.meta(tree).key = `${key}(${index})`; return tree; } function toArrayMethod(node, definition, key) { return function() { let array = A(); let index; let count; for (index = 0, count = this.count; index < count; index++) { array.push(generateItem(node, index, definition, key)); } return array; }; } function delegateToArray(enumerable, method) { if (typeof (enumerable[method]) === 'undefined') { enumerable[method] = function(...args) { return this.toArray()[method](...args); }; } } function iteratorMethod() { let i = 0; let items = this.toArray(); let next = () => ({ done: i >= items.length, value: items[i++] }); return { next }; } export function collection(definition) { definition = mergeFunction({}, definition); let item = { scope: definition.scope, itemScope: definition.itemScope, resetScope: definition.resetScope, item: definition.item, testContainer: definition.testContainer }; delete definition.item; delete definition.itemScope; return { isDescriptor: true, get(key) { return (index) => { if (typeof (index) === 'number') { return generateItem(this, index, item, key); } else { return generateEnumerable(this, definition, item, key); } }; } }; } |