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'use strict';
var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
var React = require('react'),
autosize = require('autosize'),
UPDATE = 'autosize:update',
DESTROY = 'autosize:destroy',
RESIZED = 'autosize:resized';
var TextareaAutosize = React.createClass({
displayName: 'TextareaAutosize',
propTypes: {
onResize: React.PropTypes.func
},
getDefaultProps: function getDefaultProps() {
return {
rows: 1
};
},
componentDidMount: function componentDidMount() {
autosize(this.refs.textarea.getDOMNode());
if (this.props.onResize) {
this.refs.textarea.getDOMNode().addEventListener(RESIZED, this.props.onResize);
}
},
componentWillUnmount: function componentWillUnmount() {
if (this.props.onResize) {
this.refs.textarea.getDOMNode().removeEventListener(RESIZED);
}
this.dispatchEvent(DESTROY);
},
dispatchEvent: function dispatchEvent(EVENT_TYPE) {
var _this = this;
var event = document.createEvent('Event');
event.initEvent(EVENT_TYPE, true, false);
setTimeout(function () {
return _this.refs.textarea.getDOMNode().dispatchEvent(event);
});
},
getValue: function getValue(props) {
if (props) {
return props.valueLink ? props.valueLink.value : props.value;
}
},
render: function render() {
return React.createElement(
'textarea',
_extends({}, this.props, { ref: 'textarea' }),
this.props.children
);
},
componentWillReceiveProps: function componentWillReceiveProps(nextProps) {
if (this.getValue(nextProps) !== this.getValue(this.props)) {
this.dispatchEvent(UPDATE);
}
}
});
module.exports = TextareaAutosize;
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