@blueprintjs/core
Version:
Core styles & components
114 lines • 5.87 kB
JavaScript
/*
* Copyright 2017 Palantir Technologies, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { __assign, __extends, __rest } from "tslib";
import classNames from "classnames";
import * as React from "react";
import { AbstractPureComponent, Classes, refHandler, setRef } from "../../common";
import { DISPLAYNAME_PREFIX } from "../../common/props";
import { AsyncControllableTextArea } from "./asyncControllableTextArea";
// this component is simple enough that tests would be purely tautological.
/* istanbul ignore next */
/**
* Text area component.
*
* @see https://blueprintjs.com/docs/#core/components/text-area
*/
var TextArea = /** @class */ (function (_super) {
__extends(TextArea, _super);
function TextArea() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.state = {};
// used to measure and set the height of the component on first mount
_this.textareaElement = null;
_this.handleRef = refHandler(_this, "textareaElement", _this.props.inputRef);
_this.maybeSyncHeightToScrollHeight = function () {
// eslint-disable-next-line deprecation/deprecation
var _a = _this.props, autoResize = _a.autoResize, growVertically = _a.growVertically;
if (_this.textareaElement != null) {
var scrollHeight = _this.textareaElement.scrollHeight;
if (autoResize) {
// set height to 0 to force scrollHeight to be the minimum height to fit
// the content of the textarea
_this.textareaElement.style.height = "0px";
_this.textareaElement.style.height = scrollHeight.toString() + "px";
_this.setState({ height: scrollHeight });
}
else if (growVertically && scrollHeight > 0) {
// N.B. this code path will be deleted in Blueprint v6.0 when `growVertically` is removed
_this.setState({ height: scrollHeight });
}
}
if (_this.props.autoResize && _this.textareaElement != null) {
// set height to 0 to force scrollHeight to be the minimum height to fit
// the content of the textarea
_this.textareaElement.style.height = "0px";
var scrollHeight = _this.textareaElement.scrollHeight;
_this.textareaElement.style.height = scrollHeight.toString() + "px";
_this.setState({ height: scrollHeight });
}
};
_this.handleChange = function (e) {
var _a, _b;
_this.maybeSyncHeightToScrollHeight();
(_b = (_a = _this.props).onChange) === null || _b === void 0 ? void 0 : _b.call(_a, e);
};
return _this;
}
TextArea.prototype.componentDidMount = function () {
this.maybeSyncHeightToScrollHeight();
};
TextArea.prototype.componentDidUpdate = function (prevProps) {
if (prevProps.inputRef !== this.props.inputRef) {
setRef(prevProps.inputRef, null);
this.handleRef = refHandler(this, "textareaElement", this.props.inputRef);
setRef(this.props.inputRef, this.textareaElement);
}
if (prevProps.value !== this.props.value || prevProps.style !== this.props.style) {
this.maybeSyncHeightToScrollHeight();
}
};
TextArea.prototype.render = function () {
var _a;
var _b = this.props, asyncControl = _b.asyncControl, autoResize = _b.autoResize, className = _b.className, fill = _b.fill,
// eslint-disable-next-line deprecation/deprecation
growVertically = _b.growVertically, inputRef = _b.inputRef, intent = _b.intent, large = _b.large, small = _b.small, htmlProps = __rest(_b, ["asyncControl", "autoResize", "className", "fill", "growVertically", "inputRef", "intent", "large", "small"]);
var rootClasses = classNames(Classes.INPUT, Classes.TEXT_AREA, Classes.intentClass(intent), (_a = {},
_a[Classes.FILL] = fill,
_a[Classes.LARGE] = large,
_a[Classes.SMALL] = small,
_a[Classes.TEXT_AREA_AUTO_RESIZE] = autoResize,
_a), className);
// add explicit height style while preserving user-supplied styles if they exist
var _c = htmlProps.style, style = _c === void 0 ? {} : _c;
if ((autoResize || growVertically) && this.state.height != null) {
// this style object becomes non-extensible when mounted (at least in the enzyme renderer),
// so we make a new one to add a property
style = __assign(__assign({}, style), { height: "".concat(this.state.height, "px") });
}
var TextAreaComponent = asyncControl ? AsyncControllableTextArea : "textarea";
return (React.createElement(TextAreaComponent, __assign({}, htmlProps, { className: rootClasses, onChange: this.handleChange, style: style, ref: this.handleRef })));
};
TextArea.defaultProps = {
autoResize: false,
fill: false,
large: false,
small: false,
};
TextArea.displayName = "".concat(DISPLAYNAME_PREFIX, ".TextArea");
return TextArea;
}(AbstractPureComponent));
export { TextArea };
//# sourceMappingURL=textArea.js.map