@shopgate/engage/components/QuantityInput/QuantityInput.js

Shopgate's ENGAGE library.

var _excluded=["className","onChange","onFocus","onBlur","value","maxDecimals","unit","minValue","maxValue","onKeyDown"];function _extends(){_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;};return _extends.apply(this,arguments);}function _slicedToArray(arr,i){return _arrayWithHoles(arr)||_iterableToArrayLimit(arr,i)||_nonIterableRest();}function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance");}function _iterableToArrayLimit(arr,i){var _arr=[];var _n=true;var _d=false;var _e=undefined;try{for(var _i=arr[Symbol.iterator](),_s;!(_n=(_s=_i.next()).done);_n=true){_arr.push(_s.value);if(i&&_arr.length===i)break;}}catch(err){_d=true;_e=err;}finally{try{if(!_n&&_i["return"]!=null)_i["return"]();}finally{if(_d)throw _e;}}return _arr;}function _arrayWithHoles(arr){if(Array.isArray(arr))return arr;}function _objectWithoutProperties(source,excluded){if(source==null)return{};var target=_objectWithoutPropertiesLoose(source,excluded);var key,i;if(Object.getOwnPropertySymbols){var sourceSymbolKeys=Object.getOwnPropertySymbols(source);for(i=0;i<sourceSymbolKeys.length;i++){key=sourceSymbolKeys[i];if(excluded.indexOf(key)>=0)continue;if(!Object.prototype.propertyIsEnumerable.call(source,key))continue;target[key]=source[key];}}return target;}function _objectWithoutPropertiesLoose(source,excluded){if(source==null)return{};var target={};var sourceKeys=Object.keys(source);var key,i;for(i=0;i<sourceKeys.length;i++){key=sourceKeys[i];if(excluded.indexOf(key)>=0)continue;target[key]=source[key];}return target;}import React,{useRef,useState,useCallback,useLayoutEffect,useEffect,forwardRef}from'react';import PropTypes from'prop-types';import noop from'lodash/noop';import{isIOs}from'@shopgate/pwa-core';import{parseFloatString,formatFloat}from"./helper";/**
 * A Quantity Input with unit support.
 * @returns {JSX}
 */var QuantityInput=forwardRef(function(_ref,outerInputRef){var className=_ref.className,onChange=_ref.onChange,customOnFocus=_ref.onFocus,customOnBlur=_ref.onBlur,value=_ref.value,maxDecimals=_ref.maxDecimals,unit=_ref.unit,minValue=_ref.minValue,maxValue=_ref.maxValue,onKeyDown=_ref.onKeyDown,inputProps=_objectWithoutProperties(_ref,_excluded);var inputRef=outerInputRef||useRef();var _useState=useState(formatFloat(value,maxDecimals)),_useState2=_slicedToArray(_useState,2),inputValue=_useState2[0],setInputValue=_useState2[1];var _useState3=useState(false),_useState4=_slicedToArray(_useState3,2),isFocused=_useState4[0],setIsFocused=_useState4[1];var onFocus=useCallback(function(event){customOnFocus(event);setIsFocused(true);},[customOnFocus]);var onBlur=useCallback(function(event){var newValue=parseFloatString(inputValue,maxDecimals);setIsFocused(false);// If invalid switch to old value.
if(Number.isNaN(parseFloat(inputValue))){setInputValue(formatFloat(value,maxDecimals));return;}if(minValue&&newValue<minValue){newValue=minValue;}if(maxValue&&newValue>maxValue){newValue=maxValue;}setInputValue("".concat(newValue));if(newValue!==value){onChange(newValue);}customOnBlur(event,newValue);},[customOnBlur,inputValue,maxDecimals,maxValue,minValue,onChange,value]);var handleChange=useCallback(function(event){var newValue=event.target.value;setInputValue(newValue);},[]);var handleKeyDown=useCallback(function(event){if(event.key==='Enter'){// Prevents false positive validation error when enter key is pressed inside input
event.preventDefault();if(inputRef.current){inputRef.current.blur();}}if(typeof onKeyDown==='function'){onKeyDown(event);}},[inputRef,onKeyDown]);// Select the current input value after focus.
useLayoutEffect(function(){if(isFocused&&isIOs){inputRef.current.select();}},[inputRef,isFocused]);// Sync actual float value with displayed content.
useEffect(function(){setInputValue(formatFloat(value,maxDecimals));},[maxDecimals,value]);// Stop the context menu from opening.
useLayoutEffect(function(){inputRef.current.addEventListener('contextmenu',function(event){event.preventDefault();event.stopPropagation();return false;});},[inputRef]);var displayedValue=!isFocused&&unit?"".concat(inputValue," ").concat(unit):inputValue;return React.createElement("input",_extends({ref:inputRef},inputProps,{inputMode:maxDecimals>0?'decimal':'numeric'/* Pattern signals some browsers to use specialized keyboard (if inputmode not supported */,pattern:maxDecimals>0?'[0-9.,]*':'[0–9]*',onFocus:onFocus,onBlur:onBlur,className:className,value:displayedValue,onChange:handleChange,onKeyDown:handleKeyDown,onClick:function onClick(event){event.preventDefault();event.stopPropagation();if(inputRef.current){inputRef.current.focus();}}}));});QuantityInput.defaultProps={className:'',maxDecimals:2,unit:null,minValue:null,maxValue:null,onFocus:noop,onChange:noop,onBlur:noop,onKeyDown:noop};export default QuantityInput;