resize-observer/lib/ResizeObservation.js

An implementation and polyfill of the Resize Observer draft.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var ContentRect_1 = require("./ContentRect");
var ResizeObservation = /** @class */ (function () {
    function ResizeObservation(target) {
        this.target = target;
        this.$$broadcastWidth = this.$$broadcastHeight = 0;
    }
    Object.defineProperty(ResizeObservation.prototype, "broadcastWidth", {
        get: function () {
            return this.$$broadcastWidth;
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(ResizeObservation.prototype, "broadcastHeight", {
        get: function () {
            return this.$$broadcastHeight;
        },
        enumerable: true,
        configurable: true
    });
    ResizeObservation.prototype.isActive = function () {
        var cr = ContentRect_1.ContentRect(this.target);
        return !!cr
            && (cr.width !== this.broadcastWidth
                || cr.height !== this.broadcastHeight);
    };
    return ResizeObservation;
}());
exports.ResizeObservation = ResizeObservation;
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