MyCrypto/common/components/TogglablePassword.tsx

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// Either self contained, or controlled component for having a password field
// with a toggle to turn it into a visible text field.
// Pass `isVisible` and `handleToggleVisibility` to control the visibility
// yourself, otherwise all visibiility changes are managed in internal state.
import React from 'react';
import './TogglablePassword.scss';
interface Props {
// Shared props
value: string;
placeholder?: string;
name?: string;
disabled?: boolean;
ariaLabel?: string;
toggleAriaLabel?: string;
isValid?: boolean;
isVisible?: boolean;
validity?: 'valid' | 'invalid' | 'semivalid';
// Textarea-only props
isTextareaWhenVisible?: boolean;
rows?: number;
onEnter?(): void;
// Shared callbacks
onChange?(ev: React.FormEvent<HTMLInputElement | HTMLTextAreaElement>): void;
onFocus?(ev: React.FocusEvent<HTMLInputElement | HTMLTextAreaElement>): void;
onBlur?(ev: React.FocusEvent<HTMLInputElement | HTMLTextAreaElement>): void;
handleToggleVisibility?(): void;
}
interface State {
isVisible: boolean;
}
export default class TogglablePassword extends React.PureComponent<Props, State> {
public state: State = {
isVisible: !!this.props.isVisible
};
public componentWillReceiveProps(nextProps: Props) {
if (this.props.isVisible !== nextProps.isVisible) {
this.setState({ isVisible: !!nextProps.isVisible });
}
}
public render() {
const {
value,
placeholder,
name,
disabled,
ariaLabel,
toggleAriaLabel,
validity,
isTextareaWhenVisible,
isValid,
onChange,
onFocus,
onBlur,
handleToggleVisibility
} = this.props;
const { isVisible } = this.state;
const validClass = validity
? `is-${validity}`
: isValid === null || isValid === undefined ? '' : isValid ? 'is-valid' : 'is-invalid';
return (
<div className="TogglablePassword input-group">
{isTextareaWhenVisible && isVisible ? (
<textarea
className={`form-control ${validClass}`}
value={value}
name={name}
disabled={disabled}
onChange={onChange}
onKeyDown={this.handleTextareaKeyDown}
onFocus={onFocus}
onBlur={onBlur}
placeholder={placeholder}
rows={this.props.rows || 3}
aria-label={ariaLabel}
/>
) : (
<input
value={value}
name={name}
disabled={disabled}
type={isVisible ? 'text' : 'password'}
className={`form-control ${validClass}`}
placeholder={placeholder}
onChange={onChange}
onFocus={onFocus}
onBlur={onBlur}
aria-label={ariaLabel}
/>
)}
<span
onClick={handleToggleVisibility || this.toggleVisibility}
aria-label={toggleAriaLabel}
role="button"
className="TogglablePassword-toggle input-group-addon"
>
<i className={`fa fa-${isVisible ? 'eye-slash' : 'eye'}`} />
</span>
</div>
);
}
private toggleVisibility = () => {
this.setState({ isVisible: !this.state.isVisible });
};
private handleTextareaKeyDown = (ev: React.KeyboardEvent<HTMLTextAreaElement>) => {
if (this.props.onEnter && ev.keyCode === 13) {
ev.preventDefault();
this.props.onEnter();
}
};
}