mirror of
https://github.com/Doodle3D/Doodle3D-API
synced 2024-12-23 22:13:48 +01:00
63 lines
1.8 KiB
JavaScript
63 lines
1.8 KiB
JavaScript
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/* */
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var $def = require("./$.def"),
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$redef = require("./$.redef"),
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$ = require("./$"),
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cof = require("./$.cof"),
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$iter = require("./$.iter"),
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SYMBOL_ITERATOR = require("./$.wks")('iterator'),
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FF_ITERATOR = '@@iterator',
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KEYS = 'keys',
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VALUES = 'values',
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Iterators = $iter.Iterators;
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module.exports = function(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCE) {
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$iter.create(Constructor, NAME, next);
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function createMethod(kind) {
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function $$(that) {
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return new Constructor(that, kind);
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}
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switch (kind) {
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case KEYS:
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return function keys() {
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return $$(this);
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};
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case VALUES:
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return function values() {
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return $$(this);
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};
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}
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return function entries() {
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return $$(this);
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};
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}
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var TAG = NAME + ' Iterator',
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proto = Base.prototype,
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_native = proto[SYMBOL_ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT],
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_default = _native || createMethod(DEFAULT),
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methods,
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key;
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if (_native) {
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var IteratorPrototype = $.getProto(_default.call(new Base));
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cof.set(IteratorPrototype, TAG, true);
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if ($.FW && $.has(proto, FF_ITERATOR))
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$iter.set(IteratorPrototype, $.that);
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}
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if ($.FW || FORCE)
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$iter.set(proto, _default);
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Iterators[NAME] = _default;
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Iterators[TAG] = $.that;
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if (DEFAULT) {
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methods = {
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keys: IS_SET ? _default : createMethod(KEYS),
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values: DEFAULT == VALUES ? _default : createMethod(VALUES),
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entries: DEFAULT != VALUES ? _default : createMethod('entries')
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};
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if (FORCE)
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for (key in methods) {
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if (!(key in proto))
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$redef(proto, key, methods[key]);
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}
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else
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$def($def.P + $def.F * $iter.BUGGY, NAME, methods);
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}
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};
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