| 1 | import { ResizeObserverController } from './ResizeObserverController';
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| 2 | import { isElement } from './utils/element';
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| 3 | var ResizeObserver = (function () {
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| 4 | function ResizeObserver(callback) {
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| 5 | if (arguments.length === 0) {
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| 6 | throw new TypeError("Failed to construct 'ResizeObserver': 1 argument required, but only 0 present.");
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| 7 | }
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| 8 | if (typeof callback !== 'function') {
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| 9 | throw new TypeError("Failed to construct 'ResizeObserver': The callback provided as parameter 1 is not a function.");
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| 10 | }
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| 11 | ResizeObserverController.connect(this, callback);
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| 12 | }
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| 13 | ResizeObserver.prototype.observe = function (target, options) {
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| 14 | if (arguments.length === 0) {
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| 15 | throw new TypeError("Failed to execute 'observe' on 'ResizeObserver': 1 argument required, but only 0 present.");
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| 16 | }
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| 17 | if (!isElement(target)) {
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| 18 | throw new TypeError("Failed to execute 'observe' on 'ResizeObserver': parameter 1 is not of type 'Element");
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| 19 | }
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| 20 | ResizeObserverController.observe(this, target, options);
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| 21 | };
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| 22 | ResizeObserver.prototype.unobserve = function (target) {
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| 23 | if (arguments.length === 0) {
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| 24 | throw new TypeError("Failed to execute 'unobserve' on 'ResizeObserver': 1 argument required, but only 0 present.");
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| 25 | }
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| 26 | if (!isElement(target)) {
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| 27 | throw new TypeError("Failed to execute 'unobserve' on 'ResizeObserver': parameter 1 is not of type 'Element");
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| 28 | }
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| 29 | ResizeObserverController.unobserve(this, target);
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| 30 | };
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| 31 | ResizeObserver.prototype.disconnect = function () {
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| 32 | ResizeObserverController.disconnect(this);
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| 33 | };
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| 34 | ResizeObserver.toString = function () {
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| 35 | return 'function ResizeObserver () { [polyfill code] }';
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| 36 | };
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| 37 | return ResizeObserver;
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| 38 | }());
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| 39 | export { ResizeObserver };
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