-
-
Notifications
You must be signed in to change notification settings - Fork 46.8k
/
index.tsx
198 lines (176 loc) · 5.19 KB
/
index.tsx
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
import * as React from 'react';
import classNames from 'classnames';
import Icon from '../icon';
import { ConfigConsumer, ConfigConsumerProps } from '../config-provider';
export interface AvatarProps {
/** Shape of avatar, options:`circle`, `square` */
shape?: 'circle' | 'square';
/*
* Size of avatar, options: `large`, `small`, `default`
* or a custom number size
* */
size?: 'large' | 'small' | 'default' | number;
/** Src of image avatar */
src?: string;
/** Srcset of image avatar */
srcSet?: string;
/** Type of the Icon to be used in avatar */
icon?: string;
style?: React.CSSProperties;
prefixCls?: string;
className?: string;
children?: React.ReactNode;
alt?: string;
/* callback when img load error */
/* return false to prevent Avatar show default fallback behavior, then you can do fallback by your self */
onError?: () => boolean;
}
export interface AvatarState {
scale: number;
mounted: boolean;
isImgExist: boolean;
}
export default class Avatar extends React.Component<AvatarProps, AvatarState> {
static defaultProps = {
shape: 'circle' as AvatarProps['shape'],
size: 'default' as AvatarProps['size'],
};
state = {
scale: 1,
mounted: false,
isImgExist: true,
};
private avatarNode: HTMLElement;
private avatarChildren: HTMLElement;
private lastChildrenWidth: number;
private lastNodeWidth: number;
componentDidMount() {
this.setScale();
this.setState({ mounted: true });
}
componentDidUpdate(prevProps: AvatarProps) {
this.setScale();
if (prevProps.src !== this.props.src) {
this.setState({ isImgExist: true, scale: 1 });
}
}
setScale = () => {
if (!this.avatarChildren || !this.avatarNode) {
return;
}
const childrenWidth = this.avatarChildren.offsetWidth; // offsetWidth avoid affecting be transform scale
const nodeWidth = this.avatarNode.offsetWidth;
// denominator is 0 is no meaning
if (
childrenWidth === 0 ||
nodeWidth === 0 ||
(this.lastChildrenWidth === childrenWidth && this.lastNodeWidth === nodeWidth)
) {
return;
}
this.lastChildrenWidth = childrenWidth;
this.lastNodeWidth = nodeWidth;
// add 4px gap for each side to get better performance
this.setState({
scale: nodeWidth - 8 < childrenWidth ? (nodeWidth - 8) / childrenWidth : 1,
});
};
handleImgLoadError = () => {
const { onError } = this.props;
const errorFlag = onError ? onError() : undefined;
if (errorFlag !== false) {
this.setState({ isImgExist: false });
}
};
renderAvatar = ({ getPrefixCls }: ConfigConsumerProps) => {
const {
prefixCls: customizePrefixCls,
shape,
size,
src,
srcSet,
icon,
className,
alt,
...others
} = this.props;
const { isImgExist, scale, mounted } = this.state;
const prefixCls = getPrefixCls('avatar', customizePrefixCls);
const sizeCls = classNames({
[`${prefixCls}-lg`]: size === 'large',
[`${prefixCls}-sm`]: size === 'small',
});
const classString = classNames(prefixCls, className, sizeCls, {
[`${prefixCls}-${shape}`]: shape,
[`${prefixCls}-image`]: src && isImgExist,
[`${prefixCls}-icon`]: icon,
});
const sizeStyle: React.CSSProperties =
typeof size === 'number'
? {
width: size,
height: size,
lineHeight: `${size}px`,
fontSize: icon ? size / 2 : 18,
}
: {};
let { children } = this.props;
if (src && isImgExist) {
children = <img src={src} srcSet={srcSet} onError={this.handleImgLoadError} alt={alt} />;
} else if (icon) {
children = <Icon type={icon} />;
} else {
const childrenNode = this.avatarChildren;
if (childrenNode || scale !== 1) {
const transformString = `scale(${scale}) translateX(-50%)`;
const childrenStyle: React.CSSProperties = {
msTransform: transformString,
WebkitTransform: transformString,
transform: transformString,
};
const sizeChildrenStyle: React.CSSProperties =
typeof size === 'number'
? {
lineHeight: `${size}px`,
}
: {};
children = (
<span
className={`${prefixCls}-string`}
ref={(node: HTMLElement) => (this.avatarChildren = node)}
style={{ ...sizeChildrenStyle, ...childrenStyle }}
>
{children}
</span>
);
} else {
const childrenStyle: React.CSSProperties = {};
if (!mounted) {
childrenStyle.opacity = 0;
}
children = (
<span
className={`${prefixCls}-string`}
style={{ opacity: 0 }}
ref={(node: HTMLElement) => (this.avatarChildren = node)}
>
{children}
</span>
);
}
}
return (
<span
{...others}
style={{ ...sizeStyle, ...others.style }}
className={classString}
ref={(node: HTMLElement) => (this.avatarNode = node)}
>
{children}
</span>
);
};
render() {
return <ConfigConsumer>{this.renderAvatar}</ConfigConsumer>;
}
}