formValidationForRequiredInput.js

saveOCR : function(component, event, helper) {
        var allRequiredInputs = component.find("requiredInput");
        allRequiredInputs.push(component.find('firstElement'));
        var requiredInputs = [];
        var erroredComponentNames = [];
        allRequiredInputs.forEach(function(element) {
            if(element.get('v.required') == true) {
                if(element.get("v.class") != 'standardComponent') {
                    requiredInputs.push(element);
                }
            }
        });
        var allValid = requiredInputs.reduce(function (validSoFar, inputCmp) {
            if(inputCmp.get('v.value') == null || inputCmp.get('v.value') == '') {
                erroredComponentNames.push(' ' + inputCmp.get('v.label'));
                inputCmp.showError("Complete this field");
            }
            else{
                inputCmp.hideError();
            }
            return validSoFar && !inputCmp.get('v.value') == '';
        }, true);
        if (allValid) {
            if(!$A.util.hasClass(errorMessage, "slds-hide")) {
                $A.util.toggleClass(errorMessage, "slds-hide");
            }
            component.set("v.disableSaveButton", true);
            helper.insertOCR(component, event);
        } else {
            var errorMessage = component.find("errorMessage");
            component.set("v.errorMessageText", "These required fields must be completed:" + erroredComponentNames);
            console.log(component.get("v.errorMessageText"));
            if($A.util.hasClass(errorMessage, "slds-hide")) {
                $A.util.toggleClass(errorMessage, "slds-hide");
            }
            errorMessage = document.activeElement.id;
        }
    },