How to use es6-iterator - 10 common examples
To help you get started, we’ve selected a few es6-iterator examples, based on popular ways it is used in public projects.
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Array.prototype[Symbol.iterator] = function iterator() { // eslint-disable-line
return new ArrayIterator(this);
};
}'use strict';
var remove = require('es5-ext/array/#/remove')
, assign = require('es5-ext/object/assign')
, setPrototypeOf = require('es5-ext/object/set-prototype-of')
, d = require('d')
, autoBind = require('d/auto-bind')
, Iterator = require('es6-iterator')
, kinds = require('es6-map/lib/iterator-kinds')
, byLastModified = require('../utils/compare-by-last-modified')
, push = Array.prototype.push, defineProperties = Object.defineProperties
, unBind = Iterator.prototype._unBind
, DescriptorIterator;
DescriptorIterator = module.exports = function (map, kind) {
var sKey, sKeys, data;
if (!(this instanceof DescriptorIterator)) {
return new DescriptorIterator(map, kind);
}
sKeys = [];
data = map.__descriptors__;
for (sKey in data) {
if (data[sKey]._hasValue_()) sKeys.push(sKey);
}
Iterator.call(this, sKeys.sort(byLastModified.bind(data)));
if (!kind || !kinds[kind]) kind = 'key+value';
defineProperties(this, {'use strict';
var clear = require('es5-ext/array/#/clear')
, assign = require('es5-ext/object/assign')
, setPrototypeOf = require('es5-ext/object/set-prototype-of')
, toStringTagSymbol = require('es6-symbol').toStringTag
, d = require('d')
, autoBind = require('d/auto-bind')
, Iterator = require('es6-iterator')
, kinds = require('./iterator-kinds')
, defineProperties = Object.defineProperties, keys = Object.keys
, unBind = Iterator.prototype._unBind
, PrimitiveMapIterator;
PrimitiveMapIterator = module.exports = function (map, kind) {
if (!(this instanceof PrimitiveMapIterator)) {
return new PrimitiveMapIterator(map, kind);
}
Iterator.call(this, keys(map.__mapKeysData__), map);
if (!kind || !kinds[kind]) kind = 'key+value';
defineProperties(this, {
__kind__: d('', kind),
__keysData__: d('w', map.__mapKeysData__),
__valuesData__: d('w', map.__mapValuesData__)
});
};
if (setPrototypeOf) setPrototypeOf(PrimitiveMapIterator, Iterator);'use strict';
var setPrototypeOf = require('es5-ext/object/set-prototype-of')
, d = require('d')
, Iterator = require('es6-iterator')
, toStringTagSymbol = require('es6-symbol').toStringTag
, kinds = require('./iterator-kinds')
, defineProperties = Object.defineProperties
, unBind = Iterator.prototype._unBind
, MapIterator;
MapIterator = module.exports = function (map, kind) {
if (!(this instanceof MapIterator)) return new MapIterator(map, kind);
Iterator.call(this, map.__mapKeysData__, map);
if (!kind || !kinds[kind]) kind = 'key+value';
defineProperties(this, {
__kind__: d('', kind),
__values__: d('w', map.__mapValuesData__)
});
};
if (setPrototypeOf) setPrototypeOf(MapIterator, Iterator);
MapIterator.prototype = Object.create(Iterator.prototype, {
constructor: d(MapIterator),
_resolve: d(function (i) {, defineProperties = Object.defineProperties
, unBind = Iterator.prototype._unBind
, MapIterator;
MapIterator = module.exports = function (map, kind) {
if (!(this instanceof MapIterator)) return new MapIterator(map, kind);
Iterator.call(this, map.__mapKeysData__, map);
if (!kind || !kinds[kind]) kind = 'key+value';
defineProperties(this, {
__kind__: d('', kind),
__values__: d('w', map.__mapValuesData__)
});
};
if (setPrototypeOf) setPrototypeOf(MapIterator, Iterator);
MapIterator.prototype = Object.create(Iterator.prototype, {
constructor: d(MapIterator),
_resolve: d(function (i) {
if (this.__kind__ === 'value') return this.__values__[i];
if (this.__kind__ === 'key') return this.__list__[i];
return [this.__list__[i], this.__values__[i]];
}),
_unBind: d(function () {
this.__values__ = null;
unBind.call(this);
}),
toString: d(function () { return '[object Map Iterator]'; })
});
Object.defineProperty(MapIterator.prototype, toStringTagSymbol,
d('c', 'Map Iterator'));PrimitiveMapIterator = module.exports = function (map, kind) {
if (!(this instanceof PrimitiveMapIterator)) {
return new PrimitiveMapIterator(map, kind);
}
Iterator.call(this, keys(map.__mapKeysData__), map);
if (!kind || !kinds[kind]) kind = 'key+value';
defineProperties(this, {
__kind__: d('', kind),
__keysData__: d('w', map.__mapKeysData__),
__valuesData__: d('w', map.__mapValuesData__)
});
};
if (setPrototypeOf) setPrototypeOf(PrimitiveMapIterator, Iterator);
PrimitiveMapIterator.prototype = Object.create(Iterator.prototype, assign({
constructor: d(PrimitiveMapIterator),
_resolve: d(function (i) {
if (this.__kind__ === 'value') return this.__valuesData__[this.__list__[i]];
if (this.__kind__ === 'key') return this.__keysData__[this.__list__[i]];
return [this.__keysData__[this.__list__[i]],
this.__valuesData__[this.__list__[i]]];
}),
_unBind: d(function () {
this.__keysData__ = null;
this.__valuesData__ = null;
unBind.call(this);
}),
toString: d(function () { return '[object Map Iterator]'; })
}, autoBind({
_onAdd: d(function (key) { this.__list__.push(key); }),
_onDelete: d(function (key) {'use strict';
var remove = require('es5-ext/array/#/remove')
, assign = require('es5-ext/object/assign')
, setPrototypeOf = require('es5-ext/object/set-prototype-of')
, contains = require('es5-ext/string/#/contains')
, d = require('d')
, autoBind = require('d/auto-bind')
, Iterator = require('es6-iterator')
, byLastModified = require('../utils/compare-by-last-modified')
, unserialize = require('../unserialize/key')
, push = Array.prototype.push
, defineProperties = Object.defineProperties
, unBind = Iterator.prototype._unBind
, MultiplePropertyIterator;
MultiplePropertyIterator = module.exports = function (set, kind) {
var sKey, sKeys, data;
if (!(this instanceof MultiplePropertyIterator)) {
return new MultiplePropertyIterator(set, kind);
}
sKeys = [];
data = set.__setData__;
for (sKey in data) {
if ((typeof data[sKey] !== 'number') && !data[sKey]._value_) continue;
sKeys.push(sKey);
}
Iterator.call(this, sKeys.sort(byLastModified.bind(data)));
kind = (!kind || !contains.call(kind, 'key+value')) ? 'value' : 'key+value';
defineProperties(this, {'use strict';
var setPrototypeOf = require('es5-ext/object/set-prototype-of')
, d = require('d')
, Iterator = require('es6-iterator')
, toStringTagSymbol = require('es6-symbol').toStringTag
, kinds = require('./iterator-kinds')
, defineProperties = Object.defineProperties
, unBind = Iterator.prototype._unBind
, MapIterator;
MapIterator = module.exports = function (map, kind) {
if (!(this instanceof MapIterator)) return new MapIterator(map, kind);
Iterator.call(this, map.__mapKeysData__, map);
if (!kind || !kinds[kind]) kind = 'key+value';
defineProperties(this, {
__kind__: d('', kind),
__values__: d('w', map.__mapValuesData__)
});
};
if (setPrototypeOf) setPrototypeOf(MapIterator, Iterator);
MapIterator.prototype = Object.create(Iterator.prototype, {
constructor: d(MapIterator),
_resolve: d(function (i) {'use strict';
var remove = require('es5-ext/array/#/remove')
, assign = require('es5-ext/object/assign')
, create = require('es5-ext/object/create')
, setPrototypeOf = require('es5-ext/object/set-prototype-of')
, d = require('d')
, autoBind = require('d/auto-bind')
, Iterator = require('es6-iterator')
, kinds = require('es6-map/lib/iterator-kinds')
, push = Array.prototype.push, hasOwnProperty = Object.hasOwnProperty
, defineProperties = Object.defineProperties
, unBind = Iterator.prototype._unBind
, ObjectIterator, getCompareByLastModified;
getCompareByLastModified = function (object, modifiedMap) {
return function (a, b) {
if (hasOwnProperty.call(modifiedMap, a)) a = modifiedMap[a];
else a = modifiedMap[a] = object._getPropertyLastModified_(a);
if (hasOwnProperty.call(modifiedMap, b)) b = modifiedMap[b];
else b = modifiedMap[b] = object._getPropertyLastModified_(b);
return a - b;
};
};
ObjectIterator = module.exports = function (map, kind) {
var sKey, sKeys, data, modifiedMap, desc;
if (!(this instanceof ObjectIterator)) return new ObjectIterator(map, kind);
sKeys = [];, toStringTagSymbol = require('es6-symbol').toStringTag
, defineProperty = Object.defineProperty
, SetIterator;
SetIterator = module.exports = function (set, kind) {
if (!(this instanceof SetIterator)) return new SetIterator(set, kind);
Iterator.call(this, set.__setData__, set);
if (!kind) kind = 'value';
else if (contains.call(kind, 'key+value')) kind = 'key+value';
else kind = 'value';
defineProperty(this, '__kind__', d('', kind));
};
if (setPrototypeOf) setPrototypeOf(SetIterator, Iterator);
SetIterator.prototype = Object.create(Iterator.prototype, {
constructor: d(SetIterator),
_resolve: d(function (i) {
if (this.__kind__ === 'value') return this.__list__[i];
return [this.__list__[i], this.__list__[i]];
}),
toString: d(function () { return '[object Set Iterator]'; })
});
defineProperty(SetIterator.prototype, toStringTagSymbol, d('c', 'Set Iterator'));es6-iterator
Iterator abstraction based on ES6 specification
