ant-design/components/button/button.tsx
2019-09-16 11:23:26 +08:00

314 lines
8.6 KiB
TypeScript

/* eslint-disable react/button-has-type */
import * as React from 'react';
import * as PropTypes from 'prop-types';
import classNames from 'classnames';
import { Loading } from '@ant-design/icons';
import { polyfill } from 'react-lifecycles-compat';
import omit from 'omit.js';
import Group from './button-group';
import { ConfigConsumer, ConfigConsumerProps } from '../config-provider';
import Wave from '../_util/wave';
import { Omit, tuple } from '../_util/type';
const rxTwoCNChar = /^[\u4e00-\u9fa5]{2}$/;
const isTwoCNChar = rxTwoCNChar.test.bind(rxTwoCNChar);
function isString(str: any) {
return typeof str === 'string';
}
// Insert one space between two chinese characters automatically.
function insertSpace(child: React.ReactChild, needInserted: boolean) {
// Check the child if is undefined or null.
if (child == null) {
return;
}
const SPACE = needInserted ? ' ' : '';
// strictNullChecks oops.
if (
typeof child !== 'string' &&
typeof child !== 'number' &&
isString(child.type) &&
isTwoCNChar(child.props.children)
) {
return React.cloneElement(child, {}, child.props.children.split('').join(SPACE));
}
if (typeof child === 'string') {
if (isTwoCNChar(child)) {
child = child.split('').join(SPACE);
}
return <span>{child}</span>;
}
return child;
}
function spaceChildren(children: React.ReactNode, needInserted: boolean) {
let isPrevChildPure: boolean = false;
const childList: React.ReactNode[] = [];
React.Children.forEach(children, child => {
const type = typeof child;
const isCurrentChildPure = type === 'string' || type === 'number';
if (isPrevChildPure && isCurrentChildPure) {
const lastIndex = childList.length - 1;
const lastChild = childList[lastIndex];
childList[lastIndex] = `${lastChild}${child}`;
} else {
childList.push(child);
}
isPrevChildPure = isCurrentChildPure;
});
// Pass to React.Children.map to auto fill key
return React.Children.map(childList, child =>
insertSpace(child as React.ReactChild, needInserted),
);
}
const ButtonTypes = tuple('default', 'primary', 'ghost', 'dashed', 'danger', 'link');
export type ButtonType = (typeof ButtonTypes)[number];
const ButtonShapes = tuple('circle', 'circle-outline', 'round');
export type ButtonShape = (typeof ButtonShapes)[number];
const ButtonSizes = tuple('large', 'default', 'small');
export type ButtonSize = (typeof ButtonSizes)[number];
const ButtonHTMLTypes = tuple('submit', 'button', 'reset');
export type ButtonHTMLType = (typeof ButtonHTMLTypes)[number];
export interface BaseButtonProps {
type?: ButtonType;
icon?: React.ReactNode;
shape?: ButtonShape;
size?: ButtonSize;
loading?: boolean | { delay?: number };
prefixCls?: string;
className?: string;
ghost?: boolean;
block?: boolean;
children?: React.ReactNode;
}
// Typescript will make optional not optional if use Pick with union.
// Should change to `AnchorButtonProps | NativeButtonProps` and `any` to `HTMLAnchorElement | HTMLButtonElement` if it fixed.
// ref: https://github.com/ant-design/ant-design/issues/15930
export type AnchorButtonProps = {
href: string;
target?: string;
onClick?: React.MouseEventHandler<HTMLElement>;
} & BaseButtonProps &
Omit<React.AnchorHTMLAttributes<any>, 'type' | 'onClick'>;
export type NativeButtonProps = {
htmlType?: ButtonHTMLType;
onClick?: React.MouseEventHandler<HTMLElement>;
} & BaseButtonProps &
Omit<React.ButtonHTMLAttributes<any>, 'type' | 'onClick'>;
export type ButtonProps = Partial<AnchorButtonProps & NativeButtonProps>;
interface ButtonState {
loading?: boolean | { delay?: number };
hasTwoCNChar: boolean;
}
class Button extends React.Component<ButtonProps, ButtonState> {
static Group: typeof Group;
static __ANT_BUTTON = true;
static defaultProps = {
loading: false,
ghost: false,
block: false,
htmlType: 'button',
};
static propTypes = {
type: PropTypes.string,
shape: PropTypes.oneOf(ButtonShapes),
size: PropTypes.oneOf(ButtonSizes),
htmlType: PropTypes.oneOf(ButtonHTMLTypes),
onClick: PropTypes.func,
loading: PropTypes.oneOfType([PropTypes.bool, PropTypes.object]),
className: PropTypes.string,
icon: PropTypes.node,
block: PropTypes.bool,
title: PropTypes.string,
};
private delayTimeout: number;
private buttonNode: HTMLElement | null;
constructor(props: ButtonProps) {
super(props);
this.state = {
loading: props.loading,
hasTwoCNChar: false,
};
}
componentDidMount() {
this.fixTwoCNChar();
}
componentDidUpdate(prevProps: ButtonProps) {
this.fixTwoCNChar();
if (prevProps.loading && typeof prevProps.loading !== 'boolean') {
clearTimeout(this.delayTimeout);
}
const { loading } = this.props;
if (loading && typeof loading !== 'boolean' && loading.delay) {
this.delayTimeout = window.setTimeout(() => {
this.setState({ loading });
}, loading.delay);
} else if (prevProps.loading !== loading) {
// eslint-disable-next-line react/no-did-update-set-state
this.setState({ loading });
}
}
componentWillUnmount() {
if (this.delayTimeout) {
clearTimeout(this.delayTimeout);
}
}
saveButtonRef = (node: HTMLElement | null) => {
this.buttonNode = node;
};
handleClick: React.MouseEventHandler<HTMLButtonElement | HTMLAnchorElement> = e => {
const { loading } = this.state;
const { onClick } = this.props;
if (loading) {
return;
}
if (onClick) {
(onClick as React.MouseEventHandler<HTMLButtonElement | HTMLAnchorElement>)(e);
}
};
fixTwoCNChar() {
// Fix for HOC usage like <FormatMessage />
if (!this.buttonNode) {
return;
}
const buttonText = this.buttonNode.textContent || this.buttonNode.innerText;
if (this.isNeedInserted() && isTwoCNChar(buttonText)) {
if (!this.state.hasTwoCNChar) {
this.setState({
hasTwoCNChar: true,
});
}
} else if (this.state.hasTwoCNChar) {
this.setState({
hasTwoCNChar: false,
});
}
}
isNeedInserted() {
const { icon, children, type } = this.props;
return React.Children.count(children) === 1 && !icon && type !== 'link';
}
renderButton = ({ getPrefixCls, autoInsertSpaceInButton }: ConfigConsumerProps) => {
const {
prefixCls: customizePrefixCls,
type,
shape,
size,
className,
children,
icon,
ghost,
block,
...rest
} = this.props;
const { loading, hasTwoCNChar } = this.state;
const prefixCls = getPrefixCls('btn', customizePrefixCls);
const autoInsertSpace = autoInsertSpaceInButton !== false;
// large => lg
// small => sm
let sizeCls = '';
switch (size) {
case 'large':
sizeCls = 'lg';
break;
case 'small':
sizeCls = 'sm';
break;
default:
break;
}
const iconType = loading ? 'loading' : icon;
const classes = classNames(prefixCls, className, {
[`${prefixCls}-${type}`]: type,
[`${prefixCls}-${shape}`]: shape,
[`${prefixCls}-${sizeCls}`]: sizeCls,
[`${prefixCls}-icon-only`]: !children && children !== 0 && iconType,
[`${prefixCls}-loading`]: !!loading,
[`${prefixCls}-background-ghost`]: ghost,
[`${prefixCls}-two-chinese-chars`]: hasTwoCNChar && autoInsertSpace,
[`${prefixCls}-block`]: block,
});
const iconNode = loading ? <Loading /> : icon || null;
const kids =
children || children === 0
? spaceChildren(children, this.isNeedInserted() && autoInsertSpace)
: null;
const linkButtonRestProps = omit(rest as AnchorButtonProps, ['htmlType', 'loading']);
if (linkButtonRestProps.href !== undefined) {
return (
<a
{...linkButtonRestProps}
className={classes}
onClick={this.handleClick}
ref={this.saveButtonRef}
>
{iconNode}
{kids}
</a>
);
}
// React does not recognize the `htmlType` prop on a DOM element. Here we pick it out of `rest`.
const { htmlType, ...otherProps } = rest as NativeButtonProps;
const buttonNode = (
<button
{...(omit(otherProps, ['loading']) as NativeButtonProps)}
type={htmlType}
className={classes}
onClick={this.handleClick}
ref={this.saveButtonRef}
>
{iconNode}
{kids}
</button>
);
if (type === 'link') {
return buttonNode;
}
return <Wave>{buttonNode}</Wave>;
};
render() {
return <ConfigConsumer>{this.renderButton}</ConfigConsumer>;
}
}
polyfill(Button);
export default Button;