@blueprintjs/core
Version:
Core styles & components
147 lines • 6.09 kB
JavaScript
/*
* Copyright 2016 Palantir Technologies, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var Toaster_1;
import { __decorate } from "tslib";
import classNames from "classnames";
import * as React from "react";
import * as ReactDOM from "react-dom";
import { polyfill } from "react-lifecycles-compat";
import { AbstractPureComponent2, Classes, Position } from "../../common";
import { TOASTER_CREATE_NULL, TOASTER_MAX_TOASTS_INVALID, TOASTER_WARN_INLINE } from "../../common/errors";
import { ESCAPE } from "../../common/keys";
import { DISPLAYNAME_PREFIX } from "../../common/props";
import { isNodeEnv } from "../../common/utils";
import { Overlay } from "../overlay/overlay";
import { Toast } from "./toast";
let Toaster = Toaster_1 = class Toaster extends AbstractPureComponent2 {
constructor() {
super(...arguments);
this.state = {
toasts: [],
};
// auto-incrementing identifier for un-keyed toasts
this.toastId = 0;
this.getDismissHandler = (toast) => (timeoutExpired) => {
this.dismiss(toast.key, timeoutExpired);
};
this.handleClose = (e) => {
// NOTE that `e` isn't always a KeyboardEvent but that's the only type we care about
// HACKHACK: https://github.com/palantir/blueprint/issues/4165
/* eslint-disable-next-line deprecation/deprecation */
if (e.which === ESCAPE) {
this.clear();
}
};
}
/**
* Create a new `Toaster` instance that can be shared around your application.
* The `Toaster` will be rendered into a new element appended to the given container.
*/
static create(props, container = document.body) {
if (props != null && props.usePortal != null && !isNodeEnv("production")) {
console.warn(TOASTER_WARN_INLINE);
}
const containerElement = document.createElement("div");
container.appendChild(containerElement);
const toaster = ReactDOM.render(React.createElement(Toaster_1, Object.assign({}, props, { usePortal: false })), containerElement);
if (toaster == null) {
throw new Error(TOASTER_CREATE_NULL);
}
return toaster;
}
show(props, key) {
if (this.props.maxToasts) {
// check if active number of toasts are at the maxToasts limit
this.dismissIfAtLimit();
}
const options = this.createToastOptions(props, key);
if (key === undefined || this.isNewToastKey(key)) {
this.setState(prevState => ({
toasts: [options, ...prevState.toasts],
}));
}
else {
this.setState(prevState => ({
toasts: prevState.toasts.map(t => (t.key === key ? options : t)),
}));
}
return options.key;
}
dismiss(key, timeoutExpired = false) {
this.setState(({ toasts }) => ({
toasts: toasts.filter(t => {
const matchesKey = t.key === key;
if (matchesKey) {
t.onDismiss?.(timeoutExpired);
}
return !matchesKey;
}),
}));
}
clear() {
this.state.toasts.forEach(t => t.onDismiss?.(false));
this.setState({ toasts: [] });
}
getToasts() {
return this.state.toasts;
}
render() {
// $pt-transition-duration * 3 + $pt-transition-duration / 2
const classes = classNames(Classes.TOAST_CONTAINER, this.getPositionClasses(), this.props.className);
return (React.createElement(Overlay, { autoFocus: this.props.autoFocus, canEscapeKeyClose: this.props.canEscapeKeyClear, canOutsideClickClose: false, className: classes, enforceFocus: false, hasBackdrop: false, isOpen: this.state.toasts.length > 0 || this.props.children != null, onClose: this.handleClose, transitionDuration: 350, transitionName: Classes.TOAST, usePortal: this.props.usePortal },
this.state.toasts.map(this.renderToast, this),
this.props.children));
}
validateProps(props) {
// maximum number of toasts should not be a number less than 1
if (props.maxToasts < 1) {
throw new Error(TOASTER_MAX_TOASTS_INVALID);
}
}
isNewToastKey(key) {
return this.state.toasts.every(toast => toast.key !== key);
}
dismissIfAtLimit() {
if (this.state.toasts.length === this.props.maxToasts) {
// dismiss the oldest toast to stay within the maxToasts limit
this.dismiss(this.state.toasts[this.state.toasts.length - 1].key);
}
}
renderToast(toast) {
return React.createElement(Toast, Object.assign({}, toast, { onDismiss: this.getDismissHandler(toast) }));
}
createToastOptions(props, key = `toast-${this.toastId++}`) {
// clone the object before adding the key prop to avoid leaking the mutation
return { ...props, key };
}
getPositionClasses() {
const positions = this.props.position.split("-");
// NOTE that there is no -center class because that's the default style
return positions.map(p => `${Classes.TOAST_CONTAINER}-${p.toLowerCase()}`);
}
};
Toaster.displayName = `${DISPLAYNAME_PREFIX}.Toaster`;
Toaster.defaultProps = {
autoFocus: false,
canEscapeKeyClear: true,
position: Position.TOP,
usePortal: true,
};
Toaster = Toaster_1 = __decorate([
polyfill
], Toaster);
export { Toaster };
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