@blueprintjs/core
Version:
Core styles & components
59 lines (58 loc) • 2.51 kB
JavaScript
/*
* Copyright 2015 Palantir Technologies, Inc. All rights reserved.
*
* Licensed under the terms of the LICENSE file distributed with this project.
*/
import * as tslib_1 from "tslib";
import * as React from "react";
import * as ReactDOM from "react-dom";
import * as Classes from "../../common/classes";
import * as Errors from "../../common/errors";
import { removeNonHTMLProps } from "../../common/props";
import { safeInvoke } from "../../common/utils";
var REACT_CONTEXT_TYPES = {
blueprintPortalClassName: function (obj, key) {
if (obj[key] != null && typeof obj[key] !== "string") {
return new Error(Errors.PORTAL_CONTEXT_CLASS_NAME_STRING);
}
return undefined;
},
};
/**
* This component detaches its contents and re-attaches them to document.body.
* Use it when you need to circumvent DOM z-stacking (for dialogs, popovers, etc.).
* Any class names passed to this element will be propagated to the new container element on document.body.
*/
var Portal = (function (_super) {
tslib_1.__extends(Portal, _super);
function Portal() {
return _super !== null && _super.apply(this, arguments) || this;
}
Portal.prototype.render = function () {
return null;
};
Portal.prototype.componentDidMount = function () {
var targetElement = document.createElement("div");
targetElement.classList.add(Classes.PORTAL);
if (this.context.blueprintPortalClassName != null) {
targetElement.classList.add(this.context.blueprintPortalClassName);
}
document.body.appendChild(targetElement);
this.targetElement = targetElement;
this.componentDidUpdate();
};
Portal.prototype.componentDidUpdate = function () {
var _this = this;
// use special render function to preserve React context, in case children need it
ReactDOM.unstable_renderSubtreeIntoContainer(
/* parentComponent */ this, React.createElement("div", tslib_1.__assign({}, removeNonHTMLProps(this.props), { ref: this.props.containerRef }), this.props.children), this.targetElement, function () { return safeInvoke(_this.props.onChildrenMount); });
};
Portal.prototype.componentWillUnmount = function () {
ReactDOM.unmountComponentAtNode(this.targetElement);
this.targetElement.remove();
};
Portal.displayName = "Blueprint.Portal";
Portal.contextTypes = REACT_CONTEXT_TYPES;
return Portal;
}(React.Component));
export { Portal };