office-ui-fabric-react/lib/utilities/decorators/withResponsiveMode.js

Reusable React components for building experiences for Office 365.

import * as tslib_1 from "tslib";
import * as React from 'react';
import { BaseDecorator } from './BaseDecorator';
import { getWindow, hoistStatics } from '../../Utilities';
export var ResponsiveMode;
(function (ResponsiveMode) {
    ResponsiveMode[ResponsiveMode["small"] = 0] = "small";
    ResponsiveMode[ResponsiveMode["medium"] = 1] = "medium";
    ResponsiveMode[ResponsiveMode["large"] = 2] = "large";
    ResponsiveMode[ResponsiveMode["xLarge"] = 3] = "xLarge";
    ResponsiveMode[ResponsiveMode["xxLarge"] = 4] = "xxLarge";
    ResponsiveMode[ResponsiveMode["xxxLarge"] = 5] = "xxxLarge";
})(ResponsiveMode || (ResponsiveMode = {}));
var RESPONSIVE_MAX_CONSTRAINT = [479, 639, 1023, 1365, 1919, 99999999];
var _defaultMode;
/**
 * Allows a server rendered scenario to provide a default responsive mode.
 */
export function setResponsiveMode(responsiveMode) {
    _defaultMode = responsiveMode;
}
export function withResponsiveMode(ComposedComponent) {
    var resultClass = /** @class */ (function (_super) {
        tslib_1.__extends(WithResponsiveMode, _super);
        function WithResponsiveMode(props) {
            var _this = _super.call(this, props) || this;
            _this._updateComposedComponentRef = _this._updateComposedComponentRef.bind(_this);
            _this.state = {
                responsiveMode: _this._getResponsiveMode()
            };
            return _this;
        }
        WithResponsiveMode.prototype.componentDidMount = function () {
            var _this = this;
            this._events.on(window, 'resize', function () {
                var responsiveMode = _this._getResponsiveMode();
                if (responsiveMode !== _this.state.responsiveMode) {
                    _this.setState({
                        responsiveMode: responsiveMode
                    });
                }
            });
        };
        WithResponsiveMode.prototype.componentWillUnmount = function () {
            this._events.dispose();
        };
        WithResponsiveMode.prototype.render = function () {
            var responsiveMode = this.state.responsiveMode;
            return (React.createElement(ComposedComponent, tslib_1.__assign({ ref: this._updateComposedComponentRef, responsiveMode: responsiveMode }, this.props)));
        };
        WithResponsiveMode.prototype._getResponsiveMode = function () {
            var responsiveMode = ResponsiveMode.small;
            var win = getWindow();
            if (typeof win !== 'undefined') {
                try {
                    while (win.innerWidth > RESPONSIVE_MAX_CONSTRAINT[responsiveMode]) {
                        responsiveMode++;
                    }
                }
                catch (e) {
                    // Return a best effort result in cases where we're in the browser but it throws on getting innerWidth.
                    responsiveMode = ResponsiveMode.large;
                }
            }
            else {
                if (_defaultMode !== undefined) {
                    responsiveMode = _defaultMode;
                }
                else {
                    throw new Error('Content was rendered in a server environment without providing a default responsive mode. ' +
                        'Call setResponsiveMode to define what the responsive mode is.');
                }
            }
            return responsiveMode;
        };
        return WithResponsiveMode;
    }(BaseDecorator));
    return hoistStatics(ComposedComponent, resultClass);
}
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