Sha256: 68e6fd32fc8950e0ddf01a9bf189cf059b955d2fbbe38b782cf8aa9a21c319ee
Contents?: true
Size: 1.92 KB
Versions: 62
Compression:
Stored size: 1.92 KB
Contents
/* */
'use strict';
var LIBRARY = require('./$.library'),
$def = require('./$.def'),
$redef = require('./$.redef'),
hide = require('./$.hide'),
has = require('./$.has'),
SYMBOL_ITERATOR = require('./$.wks')('iterator'),
Iterators = require('./$.iterators'),
FF_ITERATOR = '@@iterator',
KEYS = 'keys',
VALUES = 'values';
var returnThis = function() {
return this;
};
module.exports = function(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCE) {
require('./$.iter-create')(Constructor, NAME, next);
var createMethod = function(kind) {
switch (kind) {
case KEYS:
return function keys() {
return new Constructor(this, kind);
};
case VALUES:
return function values() {
return new Constructor(this, kind);
};
}
return function entries() {
return new Constructor(this, kind);
};
};
var TAG = NAME + ' Iterator',
proto = Base.prototype,
_native = proto[SYMBOL_ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT],
_default = _native || createMethod(DEFAULT),
methods,
key;
if (_native) {
var IteratorPrototype = require('./$').getProto(_default.call(new Base));
require('./$.tag')(IteratorPrototype, TAG, true);
if (!LIBRARY && has(proto, FF_ITERATOR))
hide(IteratorPrototype, SYMBOL_ITERATOR, returnThis);
}
if (!LIBRARY || FORCE)
hide(proto, SYMBOL_ITERATOR, _default);
Iterators[NAME] = _default;
Iterators[TAG] = returnThis;
if (DEFAULT) {
methods = {
keys: IS_SET ? _default : createMethod(KEYS),
values: DEFAULT == VALUES ? _default : createMethod(VALUES),
entries: DEFAULT != VALUES ? _default : createMethod('entries')
};
if (FORCE)
for (key in methods) {
if (!(key in proto))
$redef(proto, key, methods[key]);
}
else
$def($def.P + $def.F * require('./$.iter-buggy'), NAME, methods);
}
};
Version data entries
62 entries across 31 versions & 1 rubygems