@revolist/revogrid/dist/collection/components/revoGrid/viewport.resize.service.js

Virtual reactive data grid spreadsheet component - RevoGrid.

/*!
 * Built by Revolist OU ❤️
 */
import throttle from "lodash/throttle";
import { resizeObserver } from "../../utils/resize-observer.polifill";
export default class GridResizeService {
    constructor(el, resize) {
        this.resize = resize;
        this.resizeObserver = null;
        this.previousSize = {
            width: 0,
            height: 0,
        };
        this.apply = throttle((e) => {
            var _a;
            if (!e.length) {
                return;
            }
            const entry = {
                width: e[0].contentRect.width,
                height: e[0].contentRect.height,
            };
            (_a = this.resize) === null || _a === void 0 ? void 0 : _a.call(this, entry, this.previousSize);
            this.previousSize = entry;
        }, 40, {
            leading: false,
            trailing: true,
        });
        this.init(el);
    }
    async init(el) {
        var _a;
        await resizeObserver();
        this.resizeObserver = new ResizeObserver(this.apply);
        (_a = this.resizeObserver) === null || _a === void 0 ? void 0 : _a.observe(el);
    }
    destroy() {
        var _a;
        (_a = this.resizeObserver) === null || _a === void 0 ? void 0 : _a.disconnect();
        this.resizeObserver = null;
    }
}
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