@nteract/monaco-editor/lib/polyfill/windowResizeEventObserver.js

A React component for the monaco editor, tailored for nteract

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Simple polifill of ResizeObserver for testing
 */
class ResizeObserver {
    constructor(callback) {
        this.callback = callback;
        this.elements = new Set();
        this.onWindowResize = this.onWindowResize.bind(this);
        window.addEventListener("resize", this.onWindowResize);
    }
    onWindowResize() {
        const entries = [];
        for (const element of this.elements) {
            entries.push({
                target: element,
                contentRect: element.getBoundingClientRect(),
                borderBoxSize: [],
                contentBoxSize: [],
                devicePixelContentBoxSize: []
            });
        }
        this.callback(entries, this);
    }
    observe(element) {
        this.elements.add(element);
    }
    unobserve(element) {
        this.elements.delete(element);
    }
    disconnect() {
        window.removeEventListener("resize", this.onWindowResize);
    }
}
exports.default = ResizeObserver;
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