ant-design/components/button/button.tsx

370 lines
11 KiB
TypeScript

import React, { Children, useContext, useEffect, useMemo, useRef, useState } from 'react';
import classNames from 'classnames';
import omit from 'rc-util/lib/omit';
import { useComposeRef } from 'rc-util/lib/ref';
import { devUseWarning } from '../_util/warning';
import Wave from '../_util/wave';
import { ConfigContext } from '../config-provider';
import DisabledContext from '../config-provider/DisabledContext';
import useSize from '../config-provider/hooks/useSize';
import type { SizeType } from '../config-provider/SizeContext';
import { useCompactItemContext } from '../space/Compact';
import Group, { GroupSizeContext } from './button-group';
import type {
ButtonColorType,
ButtonHTMLType,
ButtonShape,
ButtonType,
ButtonVariantType,
} from './buttonHelpers';
import { isTwoCNChar, isUnBorderedButtonVariant, spaceChildren } from './buttonHelpers';
import IconWrapper from './IconWrapper';
import LoadingIcon from './LoadingIcon';
import useStyle from './style';
import Compact from './style/compact';
export type LegacyButtonType = ButtonType | 'danger';
export interface BaseButtonProps {
type?: ButtonType;
color?: ButtonColorType;
variant?: ButtonVariantType;
icon?: React.ReactNode;
iconPosition?: 'start' | 'end';
shape?: ButtonShape;
size?: SizeType;
disabled?: boolean;
loading?: boolean | { delay?: number };
prefixCls?: string;
className?: string;
rootClassName?: string;
ghost?: boolean;
danger?: boolean;
block?: boolean;
children?: React.ReactNode;
[key: `data-${string}`]: string;
classNames?: { icon: string };
styles?: { icon: React.CSSProperties };
}
type MergedHTMLAttributes = Omit<
React.HTMLAttributes<HTMLElement> &
React.ButtonHTMLAttributes<HTMLElement> &
React.AnchorHTMLAttributes<HTMLElement>,
'type' | 'color'
>;
export interface ButtonProps extends BaseButtonProps, MergedHTMLAttributes {
href?: string;
htmlType?: ButtonHTMLType;
autoInsertSpace?: boolean;
}
type LoadingConfigType = {
loading: boolean;
delay: number;
};
function getLoadingConfig(loading: BaseButtonProps['loading']): LoadingConfigType {
if (typeof loading === 'object' && loading) {
let delay = loading?.delay;
delay = !Number.isNaN(delay) && typeof delay === 'number' ? delay : 0;
return {
loading: delay <= 0,
delay,
};
}
return {
loading: !!loading,
delay: 0,
};
}
type ColorVariantPairType = [color?: ButtonColorType, variant?: ButtonVariantType];
const ButtonTypeMap: Partial<Record<ButtonType, ColorVariantPairType>> = {
default: ['default', 'outlined'],
primary: ['primary', 'solid'],
dashed: ['default', 'dashed'],
link: ['primary', 'link'],
text: ['default', 'text'],
};
const InternalCompoundedButton = React.forwardRef<
HTMLButtonElement | HTMLAnchorElement,
ButtonProps
>((props, ref) => {
const {
loading = false,
prefixCls: customizePrefixCls,
color,
variant,
type,
danger = false,
shape = 'default',
size: customizeSize,
styles,
disabled: customDisabled,
className,
rootClassName,
children,
icon,
iconPosition = 'start',
ghost = false,
block = false,
// React does not recognize the `htmlType` prop on a DOM element. Here we pick it out of `rest`.
htmlType = 'button',
classNames: customClassNames,
style: customStyle = {},
autoInsertSpace,
autoFocus,
...rest
} = props;
// https://github.com/ant-design/ant-design/issues/47605
// Compatible with original `type` behavior
const mergedType = type || 'default';
const [mergedColor, mergedVariant] = useMemo<ColorVariantPairType>(() => {
if (color && variant) {
return [color, variant];
}
const colorVariantPair = ButtonTypeMap[mergedType] || [];
if (danger) {
return ['danger', colorVariantPair[1]];
}
return colorVariantPair;
}, [type, color, variant, danger]);
const isDanger = mergedColor === 'danger';
const mergedColorText = isDanger ? 'dangerous' : mergedColor;
const { getPrefixCls, direction, button } = useContext(ConfigContext);
const mergedInsertSpace = autoInsertSpace ?? button?.autoInsertSpace ?? true;
const prefixCls = getPrefixCls('btn', customizePrefixCls);
const [wrapCSSVar, hashId, cssVarCls] = useStyle(prefixCls);
const disabled = useContext(DisabledContext);
const mergedDisabled = customDisabled ?? disabled;
const groupSize = useContext(GroupSizeContext);
const loadingOrDelay = useMemo<LoadingConfigType>(() => getLoadingConfig(loading), [loading]);
const [innerLoading, setLoading] = useState<boolean>(loadingOrDelay.loading);
const [hasTwoCNChar, setHasTwoCNChar] = useState<boolean>(false);
const buttonRef = useRef<HTMLButtonElement | HTMLAnchorElement>();
const mergedRef = useComposeRef(ref, buttonRef);
const needInserted =
Children.count(children) === 1 && !icon && !isUnBorderedButtonVariant(mergedVariant);
// ========================= Effect =========================
// Loading
useEffect(() => {
let delayTimer: ReturnType<typeof setTimeout> | null = null;
if (loadingOrDelay.delay > 0) {
delayTimer = setTimeout(() => {
delayTimer = null;
setLoading(true);
}, loadingOrDelay.delay);
} else {
setLoading(loadingOrDelay.loading);
}
function cleanupTimer() {
if (delayTimer) {
clearTimeout(delayTimer);
delayTimer = null;
}
}
return cleanupTimer;
}, [loadingOrDelay]);
// Two chinese characters check
useEffect(() => {
// FIXME: for HOC usage like <FormatMessage />
if (!buttonRef.current || !mergedInsertSpace) {
return;
}
const buttonText = buttonRef.current.textContent || '';
if (needInserted && isTwoCNChar(buttonText)) {
if (!hasTwoCNChar) {
setHasTwoCNChar(true);
}
} else if (hasTwoCNChar) {
setHasTwoCNChar(false);
}
});
// Auto focus
useEffect(() => {
if (autoFocus && buttonRef.current) {
buttonRef.current.focus();
}
}, []);
// ========================= Events =========================
const handleClick = React.useCallback(
(e: React.MouseEvent<HTMLButtonElement | HTMLAnchorElement, MouseEvent>) => {
// FIXME: https://github.com/ant-design/ant-design/issues/30207
if (innerLoading || mergedDisabled) {
e.preventDefault();
return;
}
props.onClick?.(e);
},
[props.onClick, innerLoading, mergedDisabled],
);
// ========================== Warn ==========================
if (process.env.NODE_ENV !== 'production') {
const warning = devUseWarning('Button');
warning(
!(typeof icon === 'string' && icon.length > 2),
'breaking',
`\`icon\` is using ReactNode instead of string naming in v4. Please check \`${icon}\` at https://ant.design/components/icon`,
);
warning(
!(ghost && isUnBorderedButtonVariant(mergedVariant)),
'usage',
"`link` or `text` button can't be a `ghost` button.",
);
}
// ========================== Size ==========================
const { compactSize, compactItemClassnames } = useCompactItemContext(prefixCls, direction);
const sizeClassNameMap = { large: 'lg', small: 'sm', middle: undefined };
const sizeFullName = useSize((ctxSize) => customizeSize ?? compactSize ?? groupSize ?? ctxSize);
const sizeCls = sizeFullName ? (sizeClassNameMap[sizeFullName] ?? '') : '';
const iconType = innerLoading ? 'loading' : icon;
const linkButtonRestProps = omit(rest as ButtonProps & { navigate: any }, ['navigate']);
// ========================= Render =========================
const classes = classNames(
prefixCls,
hashId,
cssVarCls,
{
[`${prefixCls}-${shape}`]: shape !== 'default' && shape,
// line(253 - 254): Compatible with versions earlier than 5.21.0
[`${prefixCls}-${mergedType}`]: mergedType,
[`${prefixCls}-dangerous`]: danger,
[`${prefixCls}-color-${mergedColorText}`]: mergedColorText,
[`${prefixCls}-variant-${mergedVariant}`]: mergedVariant,
[`${prefixCls}-${sizeCls}`]: sizeCls,
[`${prefixCls}-icon-only`]: !children && children !== 0 && !!iconType,
[`${prefixCls}-background-ghost`]: ghost && !isUnBorderedButtonVariant(mergedVariant),
[`${prefixCls}-loading`]: innerLoading,
[`${prefixCls}-two-chinese-chars`]: hasTwoCNChar && mergedInsertSpace && !innerLoading,
[`${prefixCls}-block`]: block,
[`${prefixCls}-rtl`]: direction === 'rtl',
[`${prefixCls}-icon-end`]: iconPosition === 'end',
},
compactItemClassnames,
className,
rootClassName,
button?.className,
);
const fullStyle: React.CSSProperties = { ...button?.style, ...customStyle };
const iconClasses = classNames(customClassNames?.icon, button?.classNames?.icon);
const iconStyle: React.CSSProperties = {
...(styles?.icon || {}),
...(button?.styles?.icon || {}),
};
const iconNode =
icon && !innerLoading ? (
<IconWrapper prefixCls={prefixCls} className={iconClasses} style={iconStyle}>
{icon}
</IconWrapper>
) : (
<LoadingIcon existIcon={!!icon} prefixCls={prefixCls} loading={innerLoading} />
);
const kids =
children || children === 0 ? spaceChildren(children, needInserted && mergedInsertSpace) : null;
if (linkButtonRestProps.href !== undefined) {
return wrapCSSVar(
<a
{...linkButtonRestProps}
className={classNames(classes, {
[`${prefixCls}-disabled`]: mergedDisabled,
})}
href={mergedDisabled ? undefined : linkButtonRestProps.href}
style={fullStyle}
onClick={handleClick}
ref={mergedRef as React.Ref<HTMLAnchorElement>}
tabIndex={mergedDisabled ? -1 : 0}
>
{iconNode}
{kids}
</a>,
);
}
let buttonNode = (
<button
{...rest}
type={htmlType}
className={classes}
style={fullStyle}
onClick={handleClick}
disabled={mergedDisabled}
ref={mergedRef as React.Ref<HTMLButtonElement>}
>
{iconNode}
{kids}
{compactItemClassnames && <Compact prefixCls={prefixCls} />}
</button>
);
if (!isUnBorderedButtonVariant(mergedVariant)) {
buttonNode = (
<Wave component="Button" disabled={innerLoading}>
{buttonNode}
</Wave>
);
}
return wrapCSSVar(buttonNode);
});
type CompoundedComponent = typeof InternalCompoundedButton & {
Group: typeof Group;
/** @internal */
__ANT_BUTTON: boolean;
};
const Button = InternalCompoundedButton as CompoundedComponent;
Button.Group = Group;
Button.__ANT_BUTTON = true;
if (process.env.NODE_ENV !== 'production') {
Button.displayName = 'Button';
}
export default Button;