| 1 | ;
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| 2 | // https://github.com/tc39/proposal-iterator-helpers
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| 3 | var $ = require('../internals/export');
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| 4 | var iterate = require('../internals/iterate');
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| 5 | var aFunction = require('../internals/a-function');
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| 6 | var anObject = require('../internals/an-object');
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| 7 |
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| 8 | $({ target: 'Iterator', proto: true, real: true }, {
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| 9 | every: function every(fn) {
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| 10 | anObject(this);
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| 11 | aFunction(fn);
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| 12 | return !iterate(this, function (value) {
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| 13 | if (!fn(value)) return iterate.stop();
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| 14 | }, undefined, false, true).stopped;
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| 15 | }
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| 16 | });
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