Yup array at least one
Yup array at least one. shape({ invitees: Yup. Once you create the application Aug 3, 2012 · const checkboxes = document. So, let us see the codes given below for a better understanding. join('|') + ")\\b", "g"); return regex. For example, you could use Yup's array of strings type to validate a list of email addresses or phone numbers. values = {de: true, en: false, nl: false, pl: false, ru: false} I using the array to make a layout change in jsx, how can I check if the array has at least one true value in JSX, any help would be appreciated. yup. * The yup library has no builtin way to check if items in an array. May 4, 2020 · Dynamic Array of objects with Formik Yup Validation. array() Dec 28, 2021 · In yup you can check depending on other values using when as you did with field4 and field5. string(), name: yup. includes('Y') gene b. export default function validationSchema() { return( yup. you can do this with regex simply : function ArrayInText(str, words) {. As we can see from the Yup validation schema, the array values are required; we cannot have an empty string as an array value. selectOptions: array() . Example: if "fiscalNote" is empty "reqNumber" should be required, and if "redNumber" is empty "fiscalNote" should be required. string()). const signUpSchema = yup. First of all, I don't have a mixed type, I have a clearly defined string array. required("You can't leave this blank. Use Snyk Code to scan source code in minutes - no build needed - and fix issues immediately. required('Please enter the Current Location. I already have an array with all the correct values but I don't know how to make yup check if the array doesn't contain strings that don't match the pre-defined array. choices cannot be both an array and a string. required ('You must select at least one tag'), audiences: Yup. 0 of yup, pre-v1 docs are available Jun 1, 2020 · Yup validate either one of two fields is required (one of them is an array of numbers) 5 How to validate individual element of an array of JSON objects using Yup At least one accessibility-focused non-commercial third party app will continue to be available free of charge. transform => leaves comma separated Sep 10, 2019 · This might do too much things, but you can have one benefit, wich is having a custom validation for the last item in the row (because it's in another field). string(), }), }) ). Reload to refresh your session. validationSchema={ Yup. One answer is object {text: string, is_correct: boolean}. Yup is a JavaScript schema validation library that allows developers to validate data structures and ensure that they meet certain requirements. array(). For example, the following code validates an array of strings: js. Define the Yup validation schema: const validationSchema = Yup. isArray(value) && value. See my answer below for a version that runs it only once per call to validate. test to validate the array, you can loop through the array and ignore the last value. The first (driver) is required, so it's easy to do it with yup. min(1, 'At least one box must be ticked')). Mar 11, 2024 · You are able to select as many as checkboxes you want, but you are not allowed to redirect if not at least one checkbox is selected. required('Required') Validation is occurring even with a null submission -- log musicGenre[0] 👍 1 NazeerBZ reacted with thumbs up emoji The most basic way to validate an array of objects with Yup is to use the `arrayOf` validator. Yup is a JavaScript schema builder for validating or parsing values. min(3) }); Let's assume that both have some errors Jan 24, 2022 · It follows: Ensure array element is string. The `arrayOf` validator takes a single argument, which is the type of object that the array must contain. Aug 4, 2020 · I have a JSON object which contains an array of JSON objects. It returns true if, in the array, it finds an element for which the provided function returns true; otherwise it returns false. So a valid array is ['ok', 'sleeping', 'sleeping', 'ok'] and an invalid array will be something like const states = ['ready', 'working','onBreak Jan 2, 2023 · In the code block above, we have the Yup schema, which is an array type of strings. Define a schema, transform a value to match, assert the shape of an existing value, or both. here is an example I've created: Aug 3, 2023 · I use yup for validation. min(1, "At least one option is required"). I have a textfield input that i have to send the output of to the API as a string array. shape({ primary: yup. length === new Set(list. object. Oct 16, 2021 · When isReceivesSalary is checked then at least one of the boardMembers should have property isReceivingSalary should be checked. The following example has a form and dynamic list of users. It can be empty. RunKit notebooks are interactive javascript playgrounds connected to a complete node environment right in your browser. ") . Dec 15, 2023 · The issue with your validation schema is that it's trying to match the entire array against the IP address pattern, instead of checking each individual element in the array. of(), string(). Jan 18, 2021 · I want to validate a list like this: "this is an sentence<comma>this is another sentence" There needs to be at least one sentence and the field is required. min(1, "Please enter a name more than 1 character") . /internationalization' const validForm = yup. shape({ question: Yup. Dec 6, 2020 · 19. You have to be careful with cyclic dependencies. object Jan 9, 2023 · I have a schema im trying to enforce with yup and ensure that the data inside the array are strings, here is the yup schema: signUpSchema: async (req, res, next) => {. test('unique', message, function (list) { return list. If the value is a string, convert it to an array containing itself. min(1, "You can't leave this blank. of(). map(), forcing the user to remove empty input fields and filling at least the first one. May 1, 2022 · You have to use Yup. roles: yup. shape ( {. array (strings ()). first_checkbox. both can't be empty. If you want to have the errors in each field and not in the array. of Jun 5, 2023 · Star 9. Jan 20, 2022 · You can use the function of JS but I chose 'some' that checks if there are at least one of the items in the array that match the condition, which is equivalent to your check - if even not one item in the array is true that's the same like all of them false. const validationSchema = yup. You can use . map Oct 28, 2022 · The problem is that which one it is seems to be quite unpredictable. The test function check if array item is object. I created this schema: const YUP_SCHEMA = yup. string ()) Here’s an optimized and more readable solution to ensure that at least one of the items in the `daysOfWeek` array has `checked: true` in your Yup validation schema: Import the Yup library: import * as Yup from "yup" ; Copy. The following is not working: const schema = Yup. required ("This field is requried"), phone: Yup. checked == false &&. shape ({. length > 0; } which would enable you to check for errors on form submission and place this somewhere on the page (assuming you want to alert the user) Jan 19, 2022 · Above code snippet is to add a unique method in yup. Aug 14, 2019 · I want my schema to require that the field "ads" is an array. object (). Secure your code as it's written. My need is out of 2 array elements (vehicles), I just need to ensure that at least one is filled with data i. Dec 1, 2016 · 👍 135 sebmor, KevinBeetge, suddenlyGiovanni, matheusrod92, tsamaya, danielmockaitis, preco21, mtdn12, aegyed91, rahmonzoda, and 125 more reacted with thumbs up emoji 👎 2 profitsky and adielw8 reacted with thumbs down emoji 🎉 7 kadiryaka, constantin-melniciuc, ThiagoFelippi, AbdallaZahaika, rodorgas, partha-nm, and kkkasio reacted with hooray emoji ️ 35 matheusrod92, felipedaraujo May 17, 2023 · The when method takes two arguments: a field name and a configuration object. This is useful for ensuring that your code only accepts valid input. const ParamValidator = Yup. string() . array(yup. Jul 29, 2021 · This is quite important, because I'm using required:true validation within fieldArray. If the array of the single string matches the regular expression, continue. object({ company: Yup. t. Hover, it's a bit confusing if creating a new "friend" triggers validation before the user makes any changes to it. c. Oct 20, 2020 · const musicGenre=[] musicGenre: Yup. The when method in Yup validation schema can be used for this kind of conditional validation, but since your lessonType is an array, it requires a bit more complex handling. As I mentioned above there are null values, and I have to check every value of Aug 22, 2020 · I have a JSON object which contains an array of JSON objects. test() over the array, and simply chuck out anything that wasn't index=0 for example (index === 0 in react/javascript of course!). The requirement is if a person adds multiple contacts, at-least and max one contact should be primary check box checked. '), hometown: Jul 9, 2023 · 2. contacts: yup. both can't be empty May 17, 2023 · Code. How can I write the validation rule for this. I have tried to access it from the ctx, this but it’s not there - it only seems to Apr 30, 2019 · I have an array of three numbers: [min, mid, max], and I want to apply different validation function(s) to each element of the array. lazy(({ timeslots }) => Yup. Here is an example of how to use Yup's array of strings type Jan 2, 2023 · Formik is a React/React Native package used for handling forms; it keeps track of form values, errors, and events, and handles form submissions. Example use cases: min: no validation; mid: validate t Jul 23, 2023 · When writing this code, for validating an array. js. Apr 20, 2021 · I run this yup. shape({. of(Yup. required ("This field is required"), area: Yup. The name props in Formik can use lodash-like dot paths to reference nested Formik values. However I want to make sure that the user chooses at least one option. of(yup. The condition is if typeof a is object. errors comes as an array and the outer one comes as a string. Jul 25, 2022 · Following question and potential conversation is the result of this formik sample code. unique('contractNum', 'Please provide a unique number. of(. Every npm module pre-installed. Jan 5, 2022 · I have 2 dropdowns in each row and I can dynamically add and remove rows apart form the first one. min(1). Apr 27, 2022 · I have two arrays and I want at least one of them to be filled before submitting My config: initialValues={{ images: [], current_images: [], }} validationSchema={Yup That works perfectly however I want to validate the final array to make sure that there aren't any invalid values in the array. I need to make validation schema that at least one answer should have is_correct: true How to make validation in this case? Aug 19, 2022 · It works well, but if I apply . required() In my case I have used formik with yup for this, I want to select only one value in an array if not selected I need to display the error I'm using Formik's FieldArray to add objects dynamically to an array, rendering additional form elements as objects are push()ed to the array. There is some solution using the param noSortEdges but there is not much documentation around it. Published By Plato. Source Node: 2543250. /**. array (). I'm using Formik and Yup for validations. Thanks in advance Oct 22, 2020 · kinda new to Yup and I can't figure out how to validate that an array is not empty. '), newMortgage: yup. min(5, 'Must have at least five'), In the formik errors it will not write what was expected 'Must have at least five'. Nested Objects. shape ( { tags: Yup. Jul 10, 2018 · Saved searches Use saved searches to filter your results more quickly Sep 17, 2020 · Yup validation -- making sure an array contains at least one item 2 yup. js object validation, allow any key but values must be string or string array Mar 29, 2023 · In one of my projects, I had to implement password validation for the user registration form component. length < 2; }); This answer runs array. required('name is required') . My schema looks like this: const EMAIL_SCHEMA = Yup. My code so far: const propertySchema = object({ emails: lazy(obj => { return object( Jun 2, 2022 · Yup validation of an array - values required only if array length is bigger than 1 3 Yup - How to conditionally validate at least one of n values are set? Jun 26, 2020 · I want to validate each field in an array of objects. min(1), the data that comes out the other end of the handleSubmit(onSubmit) function has been manipulated by the schema validation process, and false values no longer reach the onSubmit function. Here’s an example of how to use the when method to conditionally validate an array field: “`javascript. I have the following as a form field type for Formik: interface FormFields {. typeError('name must be a string'), email: yup. The warning that the list is empty and that the fields are empty do not work either. yup_array_oneOfSchemas. This obviously doesn't work yup. The following doesn't seem to work according to the documentation: yearGroups: yup. max(70, 'Task title is too long So i have a form in formik and i am using yup for schema validation. For example, if I add a single choice, that is an empty string, should I expect yup/formik to complain that the array is invalid, or that the field is invalid? errors. groups: string[]; } I'm trying to pass a Yup schema that will validate the above: the fact that it can be an empty array (must be defined) but can also contain strings. I'm using react + formik + yup + material-ui. length === 1 && value. With CodeSandbox, you can easily learn how daotrunghieu86 has skilfully integrated different packages I have a React form in which the options are supplied and we add on a separate custom write-in option: const CheckboxWithCustomOption = (props) => { const inputRef = useRef<HTMLInputElement>(null) const [isOtherSelected, setIsOtherSelected] = useState<boolean>(false) const onChange = => { // If we select one of the regular options, we want to blur out the text field. from(checkboxes). You can only use of once you know the type. Dec 11, 2018 · I have an object with a flag as boolean and another item as array of objects. Hence, in your case, you need to provide the data type and it will solve your problem. compact() to remove false values in order to count how many true values in the array with . ads: yup. required('Contact name required'), //validate our form inputs and handle the errors using YUP const validationSchema = => Yup. min method for arrays to test if the user has at least selected one day of the week and get rid of the Yup. Jun 29, 2020 · Update: I thought I had partially traced this behavior to my Yup schema, which was a product of concatenating two smaller schemas together. array, 'unique', function (message, mapper = a => a) { return this. of( Yup. here's an example for adding complex handling inside your validationSchema you can add to lessons array: lessonType: Yup. Provide details and share your research! But avoid …. To address this, FieldArrays only report errors for array itself. Nov 9, 2021 · I want to set validation for number attribute in Yup array of objects, such that. object({ taskTitle: yup. object(). . array() Yup is a schema builder for runtime value parsing and validation. required('A task title is required'). Aug 28, 2020 · Given an array that contains some status string, I want to validate if the array contains at least one sleeping status and then validate if the rest of the statuses are either ok or sleeping. License This Content. On your terminal, run the following command: npx create-react-app react-formik. required() I tri Aug 8, 2020 · // validation, at least one medium checkbox needs to be ticked function atLeastOneMediumChecked(selectedMediums: string[]) { return selectedMediums. number() . files' are incompatible between these types. Mar 11, 2020 · You signed in with another tab or window. Explore this online Yup Formik Array Of Object Field Validation Example sandbox and experiment with it yourself using our interactive online playground. addMethod(yup. object({. I would like to submit form if there is only one row (rendered from the beginning) and it is empty and not be able to submit if: value1 is selected without value 2; or. Next, we imported the Formik component from the Formik package; this wraps the form. Yup is a schema builder for runtime value parsing and validation. nullable() A normal Field trigger validation for friends produces two errors: "Required" and "You need at least one friend". Following their documentation, I'm using nullable() and optional() but it is still getting validated: Feb 5, 2020 · 0. array () . So my solution is: Nov 27, 2023 · The some() method of Array instances tests whether at least one element in the array passes the test implemented by the provided function. If you truly want an array of single-element arrays, then you can keep the transform, but you'll want to move the matches() above Jul 2, 2019 · This YUP simple validation work for my case when Form contains multi-select field and keeping this field as mandatory and at least one option is required to select. For example: array(). If you want to express your strong disagreement with the API pricing change or with Reddit's response to the backlash, you may want to consider the following options: Limiting your involvement with Reddit, or Aug 4, 2020 · Condition Validation Yup- Any one field is required (Error: Uncaught Error: Cyclic dependency, the node was: "b". string() Formik has support for nested objects and arrays out of the box. min (1) . some method returns true if at least one item from the array satifiy the condition. of (strings ()) array (strings (). Asking for help, clarification, or responding to other answers. and notice, if you split all string yourself and check one by one, a lot of memory use, because it is a greedy solution. Type 'RequiredArraySchema<MixedSchema<File | undefined, AnyObject, File>, AnyObject, (File | undefined)[] | undefined>' is missing the following properties from type 'File[]': pop, push, join, reverse, and 33 more. You can use it like: const validationSchema = yup. array schema. second_checkbox. You can use it as a template to jumpstart your development with this pre-built solution. e. I want to ensure that an object with dynamic keys has at least one key. array() Sep 15, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. let regex = new RegExp("\\b(" + words. How to Conditionally Validate Array Fields with Yup: A Guide from Codementor. items: Yup. Each field has validation… Oct 10, 2017 · @parth, some method provide a callback test function for ever item from the array. Sum of weights of all objects in array also must be less than 100. dusanstanic closed this as not planned Jul 23, 2023. boolean(). params: Yup. s function in. bool(). ]). Here is the schema code: const Schema = yup. querySelectorAll('input[type="checkbox"]'); const checkedOne = Array. min(3)). Mar 27, 2024 · If you trying in latest version it should be used like this Yup. It doesn't modify the array. Second, I wish I could replace length & includes with "exactly 1 element matches" return Array. The configuration object specifies the condition under which the validation rule should apply. It had the following requirements: Password should have at least 8 characters. weight of each object must be >=0 and <=100 in array. required(), boardMembers: yup. checked == false) {. Formik eliminates the work involved in setting up a state for form fields, allowing you to focus more on other aspects of development. object() . required() }); However this is requiring that ads be an array with at least one element. isReceivesSalary: yup. filter(item => item === value). If it does not, report null. . shape({ people: Yup. Jul 1, 2020 · Hi I want to write a conditional schema in yup. required test as they both do more or less the same in your situation Oct 31, 2021 · I don't know of any way you can use shape() to do what you want, but you can use a test function instead:. Jul 11, 2018 · validationSchema={ Yup. theForm. Validations are not working. string(). * whitelisted values using yup. from part to convert the NodeList returned by document. ') }); answered Jan 19, 2022 at 14:41. This means that you do not need to flatten out your form's values anymore. js installed. May 18, 2022 · Now what is the right way to do the validation so it checks the all values, and validate only if at least one is not null? I know some answers, where they say: yup. But for the others 2 fields (fiscalNote & reqNumber) at least one of them should be required. min(1, "Must be more than 1 characters") . min(10 I have an array of options from which I have to develop checkbox for each option in the array dynamically. The problem is that I can’t seem to access the value of the pageId from within the test method. of() ) . required('At least one participant required') // these constraints are shown May 26, 2022 · I'm using react-hook-form with yup for my form validation and want some fields to be optional (null). const validationSchema = Yup. return array. May 4, 2023 · Inside the form, there are 3 names inputs that return with a for loop. array() to define the schema for the array (invited) and . email("Email must be valid"), phone: yup. I would like to check the array of objects only if the flag is true. I’m using a Yup schema with react-hook-form's useFieldArray, and I want to test that each variant’s pageRedirectId is not the same as the form’s pageId. Its array of strings type allows you to easily validate an array of strings. Here are the following things i have tried: array (). To help you get started, we’ve selected a few yup examples, based on popular ways it is used in public projects. YUP: Validate that items in an Array match one of multiple allowed Schemas. ob I have a form with dynamical fields (answers). a new row is added but has no value selected; I am using yup validation. Below is my validation schema which is not working. So the solution is to check the datatype of form. I don’t quite know how to achieve this with Yup. number(). oneOf(), e. required ('Audience must be selected'), geographi Nov 8, 2021 · as you have to pass a defaultValue for <Controller/> (in your case an empty array) - you can then use the Yup. You signed out in another tab or window. errors object. string(), }); with the only condition being that at least one element of the array has to require all of the fields in the above object, but not Jan 5, 2024 · User can add multiple contacts using append and can remove using remove functions in useFieldArray. What is the best practice way of dealing with this? May 10, 2020 · Saved searches Use saved searches to filter your results more quickly Mar 22, 2021 · However the key to distinguish between the two ErrorMessage components is that the inner form. arrayOf (yup. transform (into array) => casts it to null. * match one or more defined shapes, we can only check against a set of. username: yup. groups: Yup. querySelectorAll into an array that you can call some on. And you can actually listen to more than one field at the same time. You switched accounts on another tab or window. const boardMembersValidation ={. shape({ emailAddress: Yup. typeError('Home Phone must be Jan 8, 2019 · 5. Apr 25, 2024 · I'm creating an form with three fields. object({ currentLocation: yup . Fork 0. filter for each row. Jul 21, 2021 · Instead of passing the second parameter as a object, you could pass it as a function that receives the value of the field from the first parameter (in your case, the value of familyMembers) and the schema to be modified (in your case, add required). const userSchema = yup. test('uniqueIn', message, function (value) {. It will just print out the array. object (). contact_name: yup. Let's imagine the Yup schema consists of typed array, both with some validation rules for array and its nested type. Oct 11, 2019 · I have an array that looks like following . May 11, 2021 · The only solution I found is below, but I don't like it. I want to validate only if inner constraints are satisfied const validationSchema = Yup. Sep 29, 2020 · Im currently attempting to validate an array of this object shape: export const exampleDataType = yup. – May 13, 2023 · 2. In your provided example this would be Jun 7, 2021 · 3. email('Please enter a valid email address'), phoneHome: Yup. email: yup. some(x => x. min(1) is the solution, but in my case the initial value of the field is not an empty array. When I used a single, non-concatenated Yup schema, Formik set errors as expected. For example: I have 5 objects in an array "invitees". const arrayOfStrings = yup. Raw. defined() Oct 4, 2021 · I'm trying to require one of two checkboxes to be selected in a form. checked); You need the Array. return this. The reason why of is not an exported member from yup is because yup needs to know the type of data first. test(str); } in regex \b is words boundary. oneOf ( [. Yup schema are extremely expressive and allow modeling complex, interdependent validations, or value transformation. ) Ask Question Asked 3 years, 9 months ago Jan 2, 2023 · To create a React app, you’ll need to have Node. three_checkbox. 0. Hello, I would like to combine 2 schemas This : const Schema = Yup. import copy from '. May 17, 2023 5:09 AM. Aug 4, 2023 · The types of 'fields. existingMortgage: yup. You can find a test of it working here. 2 - Yup Custom validation. I am using react-hook-form useFieldArray method. These subjects are somewhat related because they both leverage the same syntax. Save this code. This behavior works well for object fields. So it seems that RequiredArraySchema doesn't actually return an Yup array of strings Yup is a popular data validation library for JavaScript. To achieve your expected validation you can use the test function which checks if the array is not empty (!value) , and then it uses the every method to iterate over each Mar 6, 2019 · Yup doesn't support this best you can do is concat the schema in the lazy builder. You are viewing docs for the v1. xl ns dy ir im po lj ei aq gu