kea-react
Version:
Componentes comunes de react
123 lines (122 loc) • 5.07 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __assign = (this && this.__assign) || Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
t[p[i]] = s[p[i]];
return t;
};
Object.defineProperty(exports, "__esModule", { value: true });
var React = require("react");
var fastInputDelay = 300;
/**
* Un input controlado se vuelve muy lento en android debido a que se estan actualizando constantemente sus
* propiedades.
*
* Este componente envuelve a un input no controlado y solo actualiza su valor cuando es necesario, logrando
* que se pueda escribir de manera fluida en este en móviles
*/
var FastInput = /** @class */ (function (_super) {
__extends(FastInput, _super);
function FastInput() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.handleRef = function (input) {
if (input) {
input.addEventListener("input", _this.handleOnChange);
input.addEventListener("blur", _this.handleBlur);
}
else if (_this.input) {
_this.input.removeEventListener("input", _this.handleOnChange);
_this.input.removeEventListener("blur", _this.handleBlur);
}
_this.input = input;
_this.setInputValue(_this.props.value || "");
};
_this.propsCount = 0;
_this.unbouncedRefresh = function (value) {
_this.propsCount++;
var currentCount = _this.propsCount;
var currentChangeCount = _this.changeCount;
setTimeout(function () {
if (currentCount == _this.propsCount && currentChangeCount == _this.changeCount) {
_this.setInputValue(value);
}
}, fastInputDelay);
};
_this.changeCount = 0;
_this.raiseOnChange = function (value) {
if (_this.props.onChange && _this.lastValue !== value) {
_this.lastValue = value;
_this.props.onChange(value);
}
};
_this.handleOnChange = function (e) {
_this.changeCount++;
var currentCount = _this.changeCount;
setTimeout(function () {
if (currentCount == _this.changeCount) {
_this.raiseOnChange(e.target.value);
}
}, fastInputDelay);
};
_this.handleBlur = function (e) {
_this.propsCount++;
_this.changeCount++;
if (_this.input) {
_this.raiseOnChange(_this.input.value);
}
};
return _this;
}
FastInput.prototype.componentWillReceiveProps = function (newProps) {
var isFocused = this.input == document.activeElement;
if (isFocused) {
this.unbouncedRefresh(newProps.value);
}
else if (this.input) {
this.input.value = newProps.value;
}
};
/**
* Establece el valor del input igual al valor de props.value
* @param value Nuevo valor
*/
FastInput.prototype.setInputValue = function (value) {
if (this.input && this.input.value != value) {
this.input.value = value;
}
};
FastInput.prototype.render = function () {
var props = this.props.onChange ?
Object.assign({}, this.props, { value: undefined, onChange: undefined }) :
Object.assign({}, this.props);
var elementType = this.props.multiline ? "textarea" : "input";
//Quitamos los props que no le pertenecen al textarea ni al input
var multiline = props.multiline, newProps = __rest(props, ["multiline"]);
var ref = (this.props.onChange && this.handleRef);
var element = React.createElement(elementType, __assign({ ref: ref }, newProps));
return element;
};
return FastInput;
}(React.Component));
exports.FastInput = FastInput;