How can I shave a sheet of plywood into a wedge shim? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Now in above user_email is always required and if it is present then anyone from these ["profile", "is_active", "new_email_address"]should also be present. Joi module is a popular module for data validation. node.js - Joi validation - how to require or optional field based on another key exists in array? You can make a tax-deductible donation here. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Joi validation - how to make a field optional based on input, joi validation : field required depending of ohers fields, How to validate a Joi object based on a field type, Joi - validate a property based on value of other property, Applications of maximal surfaces in Lorentz spaces. It creates a modified schema by running a custom callback over the schema fields you specify. Here's a small example: Joi has support for conditionally changing parts of the schema based on (for example) the value or presence of some of the other object fields using the when method. I'm trying to have a similar behavior and can't seem to figure out how should I do this. Specify either email or id or both of them. Well occasionally send you account related emails. How to Run Synchronous Queries using sync-sql Module in Node.js ? Once unsuspended, diogoko will be able to comment and publish posts again. I want that each of the elements will have the field of "address.place" only if the "contact.first_name" AND "contact.last_name" AND "contact.phone" exists (or filled properly based on the schema). My father is ill and booked a flight to see him - can I travel on my other passport? Why is this screw on the wing of DASH-8 Q400 sticking out, is it safe? To Access My Live Chat Page, On Google, Search for "hows tech developer. Connect and share knowledge within a single location that is structured and easy to search. What is this object inside my bathtub drain that is causing a blockage? Having this schema: I tried some .when() code but in the when there is no way to say NOT SPECIFIED. Why is Bb8 better than Bc7 in this position? How common is it to take off from a taxiway? Does the policy change for AI-generated content affect users who (want to) Joi validation schema - two fields must not have the same value, Joi validate optional array from dynamically added fields, Joi to validate alternatives depending on multiple keys, How to require an object based on the value of an array using Joi validation, Joi validation - How to validate an array of objects where only one object is required and the other is not, Joi validation - how to make a field optional based on input, Joi Validation- Validate array even if only one element matches schema, joi validation : field required depending of ohers fields, Joi Validation - Field is not required when the condition is not met, Joi - how to check when other key's value is null/empty. With you every step of your journey. That is not good, since in such a way even an empty object is "exists" and then require the user to provide the "address.place". method is in the whitelist under the correct object entry but I'm not seeing how this could be achieved. Express-validator express-validator is a set of express.js middlewares that wraps validator.js validator and sanitizer functions. This creates a new Joi instance customized with the extension(s) you provide included. I wrote an in-depth article on it here: how to validate inputs. The text was updated successfully, but these errors were encountered: why is the second part of the with in between [ ]? Which fighter jet is this, based on the silhouette? I tried that and unfortunately that did not work either. Once suspended, diogoko will not be able to comment or publish posts until their suspension is removed. Donations to freeCodeCamp go toward our education initiatives, and help pay for servers, services, and staff. After that, you can just create a folder and add a file for example index.js, To run this file you need to run the following command. 10 Essential Tools Every Developer Should Know About, // { value: { user: 'joe', pass: '123' } }, // { error: ValidationError('"user" is required') }, // { error: ValidationError('"pass" is required') }. 1 view 10 days ago NodeJS : Joi validation - how to require or optional field based on another key exists in array? Do check it out. While this solves the issue in this toy example I'm gonna have probably five or more different objects. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Making statements based on opinion; back them up with references or personal experience. Citing my unpublished master's thesis in the article that builds on top of it. Not the answer you're looking for? I covered the most important parts of both libraries and you can decide yourself which one you want to use. 576), AI/ML Tool examples part 3 - Title-Drafting Assistant, We are graduating the updated button styling for vote arrows. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, someone commented on this post recently and no had answered this question. in validation The * character is also known as a wildcard. Should convert 'k' and 't' sounds to 'g' and 'd' sounds when they follow 's' in a word for pronunciation? freeCodeCamp's open source curriculum has helped more than 40,000 people get jobs as developers. By using our site, you As you can see, schema.stations is an array of min 1 and max 5 elements. Does the policy change for AI-generated content affect users who (want to) Joi validate individual fields of nested schema. Hey guys, Sign in ng new joi-validation. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Having this schema: { email: "asd@gmail.com", id: 55555, idType: "passport" } I want to be able to say: Specif. Its easy to get started and easy to use. We accomplish this by creating thousands of videos, articles, and interactive coding lessons - all freely available to the public. mean? Once unpublished, all posts by diogoko will become hidden and only accessible to themselves. How could a person make a concoction smooth enough to drink and inject without access to a blender? Or if you have faced a situation where a number is coming in as "1" so in those cases, we want to sanitize and convert the type during runtime. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Joi field validation base on a set of values of another field, Building a safer community: Announcing our new Code of Conduct, Balancing a PhD program with a startup career (Ep. According to Joi documentation optional does not include null you need to use allow. Does the policy change for AI-generated content affect users who (want to) Joi validation schema - two fields must not have the same value, Joi to validate alternatives depending on multiple keys. Field one can take values A, B, C, D, E, F, H, I. Thanks for contributing an answer to Stack Overflow! when you have Vim mapped to always print two? Joi validation - how to require or optional field based on another key exists in array? Is it possible? Asking for help, clarification, or responding to other answers. Thanks a lot for the quick answer! What is the difference between Joi.object() and Joi.object().keys()? Can I trust my bikes frame after I was hit by a car if there's no visible cracking? You can use the Joi.when() method and create a schema like this: I just simplified your schema so it's easy to understand. Assuming my object has to fields, field1 and field2. Templates let you quickly answer FAQs or store snippets for re-use. Is it OK to pray any five decades of the Rosary or do they have to be in the specific set of mysteries? privacy statement. In this case, I want to access the name field value in email field validation. Custom validators may return Promises to indicate an async validation (which will be awaited upon), or throw any value/reject a promise to use a custom error message. JOI Validation Schema to validate request body | Node JS API Authentication, Ep. Find centralized, trusted content and collaborate around the technologies you use most. How can I repair this rotted fence post with footing below ground? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Does the Fool say "There is no God" or "No to God" in Psalm 14:1, Sample size calculation with no reference. What happens if you've already found the item an old map leads to? After installing multer you can check your joi version in command prompt using the command. In my app when I try what you said I still get the "must be a number" error for capacity: null. It will become hidden in your post, but will still be visible via the comment's permalink. What are the differences between HTTP module and Express.js module ? 18 - Input Validation With Joi.js (Part 1), NodeJS For Beginners: User Input Validation with JOI Validating Nested Object and Arrays, Conditional Validation with Joi and NodeJS | JavaScript Quick Tip, NODEJS JOI VALIDATE | VALIDATION DES DONNEES BACKEND | Mohamed IDBRAHIM. This article is being improved by another user right now. to your account. How to make a HUE colour node with cycling colours. In the market, we already have a bunch of validation libraries, but I will compare two important validation libraries: Joi and express-validator for express.js based applications. For instance, this object will fail, because address does not exist: and this will fail because address.place does not exist: Finally, according to the schema defined, this object will pass: Thanks to Soltex, thats the right schema that should be used (but please refer to the changes I have made): Please note that changes from my answer to Soltex's answer: NodeJS : Joi validation - how to require or optional field based on another key exists in array?\rTo Access My Live Chat Page, \rOn Google, Search for \"hows tech developer connect\"\r\rSo here is a secret hidden feature I promissed to tell you.\rThis is a YouTube's feature which works on Desktop.\rFirst, Make sure this video is playing.\rNext, enter the letters 'awesome' on your keyboard.\rIt will change your youtube progress bar into a flashing rainbow.\r\rAn introduction to myself in a few words,\rHello everyone, I'm Delphi.\rI am here to help you get the answers you are seeking.\rNodeJS : Joi validation - how to require or optional field based on another key exists in array?\rDon't hesitate to ask me more detailed questions by commenting or starting a chat.\rIf you have additional information or an answer to contribute, please feel free to comment below.\rA 'heart' from me is a way of showing appreciation for your answer.\rJoi based require NodeJS how or field - to : on another optional key exists array? By clicking Sign up for GitHub, you agree to our terms of service and The following example requires pass only when user is present in the object: But what if you want to change some field validation rules based on a condition external to the validated data? You signed in with another tab or window. Introduction: It's easy to get started and easy to use. How to set custom error messages in @hapi/joi? The following example requires pass only when user is present in the object: Why is it "Gaudeamus igitur, *iuvenes dum* sumus!" Should I include non-technical degree and non-engineering experience in my software engineer CV? They can still re-publish the post if they are not suspended. I hope you find it helpful when deciding the next input validation module for your express.js application. How might I go about achieving this? Already on GitHub? Dont hesitate to clap if you considered this a worthwhile read! How to set input type date in dd-mm-yyyy format using HTML ? Now say if field1 is any of the values; A, B, C, H, then field2 should be null. Can you post some examples of valid and invalid values? You can suggest the changes for now and it will be under the articles discussion tab. How to get the value of text input field using JavaScript ? This module validates the data based on schemas. Why does bunched up aluminum foil become so extremely hard to compress? How to Validate Data using validator Module in Node.js ? I think it should have the synthax below but I don't know how to implement it completely. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. You can just require express-validator and start using its methods. Joi validation - how to require or optional field based on another key exists in array. - Stack Overflow Joi validation - how to require or optional field based on another key exists in array? Connect and share knowledge within a single location that is structured and easy to search. How to Upload File using formidable module in Node.js ? Would the presence of superhumans necessarily lead to giving them authority? user data is validate, then following output will be produced: Now, if we validate the user against the invalid data as shown below, then the following output will be produced. Colour composition of Bromine during diffusion? Why is Bb8 better than Bc7 in this position? How to print and connect to printer using flutter desktop via usb? You will be notified via email once the article is available for improvement. Thanks for contributing an answer to Stack Overflow! Why Is PNG file with Drop Shadow in Flutter Web App Grainy? Joi how to validate a field should be empty, How to access values inside validationSchema in formik, Validate only one single field of a bigger Joi schema. express-validator is a set of express.js middlewares that wraps validator.js validator and sanitizer functions. he made the when "contact.first_name" "contact.last_name" "contact.phone" to be: Joi.exists(). Please see my answer, update your self to it and then I will delete mine and mark you as the correct answer. Joi module is a popular module for data validation. Already on GitHub? To learn more, see our tips on writing great answers. Too many methods and API's for doing certain validation in Joi might make you feel overwhelmed so you might end up closing the tab. What are some symptoms that could tell me that my simulation is not running properly? You signed in with another tab or window. Joi allows you to create blueprints or schemas for JavaScript objects (an object that stores information) to ensure validation of key information. code of conduct because it is harassing, offensive or spammy. Find centralized, trusted content and collaborate around the technologies you use most. The extension makes use of some common structures that need to be described first: Extension objects use the following parameters: A custom validator may be implemented by using the chain method .custom(). You have to adjust your schema - because in this one you have problem that when user clears the "address.place" attribute, it still an empty object and it requires it. A problem solver, Linux/Mac user who enjoys math and logic. acknowledge that you have read and understood our, Data Structure & Algorithm Classes (Live), Data Structures & Algorithms in JavaScript, Data Structure & Algorithm-Self Paced(C++/JAVA), Full Stack Development with React & Node JS(Live), Android App Development with Kotlin(Live), Python Backend Development with Django(Live), DevOps Engineering - Planning to Production, GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam. It's like a plug n play library and is easy to use. In Europe, do trains/buses get transported by ferries with the passengers inside? Here is what you can do to flag diogoko: diogoko consistently posts content that violates DEV Community's In fact optional seems redundant and works even when it is removed, Hmm that's strange. Most upvoted and relevant comments will be first. To learn more, see our tips on writing great answers. How can an accidental cat scratch break skin but not damage clothes? By clicking Sign up for GitHub, you agree to our terms of service and Assuming my object has to fields, field1 and field2. We don't want such a thing, we need at leat one char in each of those fields. I have an api that resembles rpc calls in the form of this schema: I would appreciate any tips in the right direction. It is widely used and popular module for data validation. How to export promises from one module to another module node.js ? Please let me know in the comments below if I left out anything important in the comparison. Joi is a popular JavaScript validation library. Joi object validation: How to validate values with unknown key names? Find centralized, trusted content and collaborate around the technologies you use most. DEV Community A constructive and inclusive social network for software developers. express-validator does not support conditional validation as of now, but there is a PR for that already you can check https://github.com/express-validator/express-validator/pull/658. Joi Validation - Field is not required when the condition is not met. Joi - use 'valid' for specific condition . That's where we use validation to validate inputs and make sure input data follows certain rules. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Overrides the default joi error with a custom error. Asking for help, clarification, or responding to other answers. Im waiting for my US passport (am a dual citizen). Hey guys, I'm really trying to find how to make a validation of a field required only if another field has any value provided. Joi validation - how to require or optional field based on another key exists in array? to your account. Find centralized, trusted content and collaborate around the technologies you use most. Originally published at 101node.io on March 31, 2019. Flutter change focus color and icon color but not works. You want to make sure they sign up with real names, not something like cool_dud3. The text was updated successfully, but these errors were encountered: I'm not following what you want to do. rather than "Gaudeamus igitur, *dum iuvenes* sumus!"? Session Management using express-session Module in Node.js, A-143, 9th Floor, Sovereign Corporate Tower, Sector-136, Noida, Uttar Pradesh - 201305, We use cookies to ensure you have the best browsing experience on our website. You just need to use the param, query, body methods below to validate inputs respectively as you can see here: Lets take a very basic example where we want to make sure that a username should be required string and is alphaNumeric with min and max characters. How to Generate and Validate OTPs in Node.js with 'Speakeasy' Module ? 3. For instance, this object will fail, because address does not exist: and this will fail because address.place does not exist: Finally, according to the schema defined, this object will pass: Thanks to Soltex, thats the right schema that should be used (but please refer to the changes I have made): Please note that changes from my answer to Soltex's answer: How to Generate fake data using Faker module in Node.js ? Would a revenue share voucher be a "security"? Making statements based on opinion; back them up with references or personal experience. Colour composition of Bromine during diffusion? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Why is it "Gaudeamus igitur, *iuvenes dum* sumus!" Why does awk -F work for most letters, but not for the letter "t"? Asking for help, clarification, or responding to other answers. Most useful JavaScript Array Functions Part 2, Must use JavaScript Array Functions Part 3. All schemas require Joi.object()to process validation and other Joi features. How can I define top vertical gap for wrapfigure? https://github.com/express-validator/express-validator/pull/658. Tried with and and it worked perfectly. Thanks for contributing an answer to Stack Overflow! You need to use any.empty rather than any.allow to make it so that null ends up considered as an empty value. How to change the placeholder text using jQuery? How to troubleshoot crashes detected by Google Play Store for Flutter app, Cupertino DateTime picker interfering with scroll behaviour. How to get current formatted date dd/mm/yyyy in JavaScript ? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I have a field in a JOI schema that I would like to be optional (i.e. There are various functions like optional(), required(), min(), max(), etc which make it easy to use and a user-friendly module for validating the data.Introduction: Note: In the above program abortEarly is set to false which makes sure that if there are multiple errors then all are displayed in the terminal. Wildcards allow you to iterate over an array of items or object keys and validate each item or its properties. How do I do this. It takes a validator function. 576), AI/ML Tool examples part 3 - Title-Drafting Assistant, We are graduating the updated button styling for vote arrows. Aside from humanoid, what other body builds would be viable for an (intelligence wise) human-like sentient species? In this example, fields such as pass and address.street are only required when validating the payload of version 2 of our API (because they were optional in version 1): This works for small schemas, but it can get wild when working with huge objects wit differences scattered along several nested fields. We're a place where coders share, stay up-to-date and grow their careers. To learn more, see our tips on writing great answers. How do I access another field value while I am validating a field? Does a knockout punch always carry the risk of killing the receiver? What are some good resources for advanced Biblical Hebrew study? Joi can be used for creating schemas (just like we use mongoose for creating NoSQL schemas) and you can use it with plain Javascript objects. Would a revenue share voucher be a "security"? Joi validation - allow field to be optional but when supplied must be a positive integer, Building a safer community: Announcing our new Code of Conduct, Balancing a PhD program with a startup career (Ep. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. You need to separately read req.body , req.params , req.query to request body, params, and query. How to set placeholder value for input type date in HTML 5 ? If you don't want null capacity to be stripped from the resulting object, you can use allow(null) as mentioned in the other answer. Possible validation errors: alternatives.any, alternatives.all, alternatives.one, alternatives.types, alternatives.match. Thank you for your valuable feedback! Is it possible to type a single quote/paren/etc. Applications of maximal surfaces in Lorentz spaces. Colour composition of Bromine during diffusion? What maths knowledge is required for a lab-based (molecular and cell biology) PhD? How do I do this. Joi validation - how to require or optional field based on another key exists in array? Our mission: to help people learn to code for free. What does "Welcome to SeaWorld, kid!" How to validate if input in input field is a valid date using express-validator ? Why wouldn't a plane start its take-off run from the very beginning of the runway to keep the option to utilize the full runway if necessary? 8 I am trying to validate field in an object based on a set of values of another field. At some point you have to write code. rev2023.6.2.43474. I tried out the rule in the joi sandbox and it worked for the scenarios {}, {capacity: null} & {capacity:3}. Joi validation - how to require or optional field based on another key exists in array? Making statements based on opinion; back them up with references or personal experience. Joi Validation | #47 | Node Js tutorial in Hindi, How to Validate Requests in Node JS (with Joi validator) | Node JS Tutorial, 7. alternatives.conditional(condition, options) Adds a conditional alternative schema type, either based on another key value, or a schema peeking into the current value, where: condition - the key name or reference, or a schema. Have a question about this project? Not working without [ ] either. Is there anything called Shallow Learning? There are other modules in the market for validation like express-validator, etc. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. To learn more, see our tips on writing great answers. How to validate if input date (end date) in input field must be after a given date (start date) using express-validator ? Sadly, Joi doesnt provide sanitization out of the box but express-validator does. You can use the Joi.when() method and create a schema like this: I just simplified your schema so it's easy to understand. How do I access another field's value in Joi validation? Thanks for contributing an answer to Stack Overflow! Noise cancels but variance sums - contradiction? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. I've included a snippet of code that uses both for comparison and shows the validation rules fully applying for both. We also have thousands of freeCodeCamp study groups around the world. donnez-moi or me donner? Not the answer you're looking for? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. The project structure will look like this: Make sure you have installed the joi module by using the following command: Now, if no error occurs i.e. Joi validation - how to make a field optional based on input, joi validation schema : value could be of several length possibles, joi validation : field required depending of ohers fields, Joi Validation - Field is not required when the condition is not met, Express-validator: make field optional if other field value is true. Is there liablility if Alice scares Bob and Bob damages something? DEV Community 2016 - 2023. Are you sure you want to hide this comment? rather than "Gaudeamus igitur, *dum iuvenes* sumus!"? But I may be wrong so lets keep opinions aside and compare both libraries. hueniverse on May 27, 2014 Connect and share knowledge within a single location that is structured and easy to search. Movie in which a group of friends are driven to an abandoned warehouse full of vampires. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. How to allow classes defined in a module to be accessible outside of a module ? This comparison is useful when you have decided to use external input validation library for your application built on expressjs and are somewhat not sure which one to use. This module validates the data based on schemas. your solution is good but it needs to be corrected. Built on Forem the open source software that powers DEV and other inclusive communities. Why does the bool tool remove entire object? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Why does a rope attached to a block move when pulled? Once unpublished, this post will become invisible to the public and only accessible to Diogo Kollross. 5 comments Contributor on May 27, 2014 object is one of the keys of the whitelist, which already works. Adds a conditional alternative schema type, either based on another key (not the same as any.when()) value, or a schema peeking into the current value, where: When you want to validate an array of objects/items or just object keys. Does the policy change for AI-generated content affect users who (want to) Express validator - how to allow optional fields, Allow string to be null or empty in joi and express-validation, Node Js Express validator Check if field is numeric only if it is not empty. No. Change an HTML5 input placeholder color with CSS. Get started, freeCodeCamp is a donor-supported tax-exempt 501(c)(3) charity organization (United States Federal Tax Identification Number: 82-0779546). Is there anything called Shallow Learning? Not the answer you're looking for? The Problem Joi has support for conditionally changing parts of the schema based on (for example) the value or presence of some of the other object fields using the when method.. How to validate array of objects using Joi? Sanitization is basically checking input to make sure it's free of noise, for example, we all have used .trim() on string to remove spaces. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How to determine whether symbols are meaningful. Complexity of |a| < |b| for ordinal notations? Please see my answer, update your self to it and then I will delete mine and mark you as the correct answer. Would the presence of superhumans necessarily lead to giving them authority? I want that each of the elements will have the field of "address.place" only if the "contact.first_name" AND "contact.last_name" AND "contact.phone" exists (or filled properly based on the schema). So by definition, we can say that: Recovery on an ancient version of my TexStudio file. rev2023.6.2.43474. I was almost giving up when I found the fork method. Do you mean take out the, Correct. Which comes first: CI/CD or microservices? a factory function generating an extension object. I am trying to validate field in an object based on a set of values of another field. Allow string to be null or empty in joi and express-validation, How to use enum values with Joi String validation. You can use the custom function to access the values of an object in the schema. Why does a rope attached to a block move when pulled? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. How to update Node.js and NPM to next version ? 2 . Made with love and Ruby on Rails. 1. Basically, what we are saying here is, if contact.first_name, contact.last_name and contact.phone exists, then address and address.place are required, otherwise address.place is forbidden. Is it OK to pray any five decades of the Rosary or do they have to be in the specific set of mysteries? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Have you tried removing the when completely, and just have, try removing .required() after the joi.object(), @Sudhir thanks for your comment, but I'm afraid that did not change anything, it still seems like the, thanks for your post. The following example is just like the previous one, but uses the fork method to modify the schema: I'm no specialist in Joi, but hope that this helps you. Its fluent and compact interface makes it easy to describe large, complex, validation schemas. It's never too late :). I want my JSON to have a value in either a or b or both.If both of them doesn't have any value it should return 400 bad request. This will mean that null gets stripped out of the resulting value. I have a similar issue where I want to check conditional parameter using express-validation. Have a question about this project? Imagine you have an e-commerce website and youre allowing users to create accounts using their name and email. How does TeX know whether to eat this space if its catcode is about to change? Passionate about software development for 28 years -- and counting! "I don't like it when it is rainy." your solution is good but it needs to be corrected. any: Generates a schema object that matches any data type. You could duplicate the schema and only change whatever is different in each case. If diogoko is not suspended, they can still re-publish their posts from their dashboard. rev2023.6.2.43474. Can the logo of TSR help identifying the production time of old Products? @soltex thanks for your comment. Is there a reliable way to check if a trigger being fired was the result of a DML action from another *specific* trigger? That is not good, since in such a way even an empty object is "exists" and then require the user to provide the "address.place". Thanks for keeping DEV Community safe. joi validation : field required depending of ohers fields. In Joi, you need to use Joi.object() to instantiate a Joi schema object to work with. Is there any way to solve this a little more elegant than nesting these when conditions in one another? How to add custom validator function in Joi? For further actions, you may consider blocking this person and/or reporting abuse. Is there any evidence suggesting or refuting that Russian officials knowingly lied that Russia was not going to attack Ukraine? I hope these examples makes it a bit clearer. VS "I don't like it raining.". Making statements based on opinion; back them up with references or personal experience. We don't want such a thing, we need at leat one char in each of those fields. 576), AI/ML Tool examples part 3 - Title-Drafting Assistant, We are graduating the updated button styling for vote arrows. Is there a reason beyond protection from potential corruption to restrict a minister's ability to personally relieve and appoint civil servants? How to get parameters from a URL string in PHP? [some work takes place] cd joi-validation. JQuery | Set the value of an input text field, Set the value of an input field in JavaScript. Not the answer you're looking for? 576), AI/ML Tool examples part 3 - Title-Drafting Assistant, We are graduating the updated button styling for vote arrows. How to convert a string into number in PHP? You don't need to read values from req.body , req.params , and req.query separately. Sign in Step 1 Setting up the Project For this tutorial, you will pretend that you are building a school portal and you want to create API endpoints: /people: add new students and teachers /auth/edit: set login credentials for teachers /fees/pay: make fee payments for students Tweet a thanks, Learn to code for free. Does a knockout punch always carry the risk of killing the receiver? I'm really trying to find how to make a validation of a field required only if another field has any value provided. How do I access another field value while I am validating a field? Ask Question Asked 3 years, 11 months ago Modified 1 year, 4 months ago Viewed 58k times 28 I have this Joi schema: Drop a comment if you know a different way to handle this use case! Why shouldnt I be a skeptic about the Necessitation Rule for alethic modal logics? he made the when "contact.first_name" "contact.last_name" "contact.phone" to be: Joi.exists(). which one to use in this conversation? Does substituting electrons with muons change the atomic shell configuration? rev2023.6.2.43474. export const validation = { body: Joi.object({ name: Joi.string() .required() .min(2) .max(20) email: . Asking for help, clarification, or responding to other answers. Theoretical Approaches to crack large files encrypted with AES. Now say if field1 is any of the values; A, B, C, H, then field2 should be null. how to require or optional field based on another key exists in array? Unflagging diogoko will restore default visibility to their posts. There are various functions like optional (), required (), min (), max (), etc which make it easy to use and a user-friendly module for validating the data. If it is set to true then the execution of the program will stop as soon as the first error is encountered and only that error will be displayed in the terminal. Plus, the otherwise statement in Soltex's answers is using the Joi.forbidden() while this is not the desired behaviour in here - we still need to allow the user to provide place, even without a contact, but this shouldn't be mandatory - so I used the: Joi.optional() instead. How to Validate Data using joi Module in Node.js ? Now import the ReactiveFormsModule into your app.module (or other module if you are an advanced user and need to do that) app . If you read this far, tweet to the author to show them you care. null is a form of existence, you shouldn't default to that. undefined is accepted, and null is also accepted), however if a value for it is supplied, it must be a positive integer. As you can see, schema.stations is an array of min 1 and max 5 elements. Critical issues have been reported with the following SDK versions: com.google.android.gms:play-services-safetynet:17.0.0, Flutter Dart - get localized country name from country code, navigatorState is null when using pushNamed Navigation onGenerateRoutes of GetMaterialPage, Android Sdk manager not found- Flutter doctor error, Flutter Laravel Push Notification without using any third party like(firebase,onesignal..etc), How to change the color of ElevatedButton when entering text in TextField, .when() in joi validation, to validate one key based on another key, Joi Validation - Compare to dates from POST. Which comes first: CI/CD or microservices? Does a knockout punch always carry the risk of killing the receiver? privacy statement. Well occasionally send you account related emails. Question: How to require a field only if another field is present? . Is it possible? Why do some images depict the same constellations differently? Joi allows you to create blueprints or schemas for JavaScript objects (an object that stores information) to ensure validation of key information. Lilipond: unhappy with horizontal chord spacing, Ways to find a safe route on flooded roads. Basically, what we are saying here is, if contact.first_name, contact.last_name and contact.phone exists, then address and address.place are required, otherwise address.place is forbidden. Senior NodeJS Developer Full Stack | ReactJS Author @ 101node.io So this is how you can validate data using joi module. Plus, the otherwise statement in Soltex's answers is using the Joi.forbidden() while this is not the desired behaviour in here - we still need to allow the user to provide place, even without a contact, but this shouldn't be mandatory - so I used the: Joi.optional() instead. Building a safer community: Announcing our new Code of Conduct, Balancing a PhD program with a startup career (Ep. You have to adjust your schema - because in this one you have problem that when user clears the "address.place" attribute, it still an empty object and it requires it. How could a person make a concoction smooth enough to drink and inject without access to a blender? How to get values from html input array using JavaScript ? Field one can take values A, B, C, D, E, F, H, I. How to Validate Data using express-validator Module in Node.js ? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. node.js validation schema joi 36,427 Solution 1 You can use the Joi.when () method and create a schema like this: Hydrogen Isotopes and Bronsted Lowry Acid. Making statements based on opinion; back them up with references or personal experience. Connect and share knowledge within a single location that is structured and easy to search. Here is what I have tried so far, with the field to validate being "capacity" however it does not seem to work, it appears the ".when" statement is just being ignored: Before the above I originally had no .when and instead the capacity rule was: However that also did not work, it kept throwing the error "must be a number" when submitting a null value. Building a safer community: Announcing our new Code of Conduct, Balancing a PhD program with a startup career (Ep. How can I divide the contour in three parts with the same arclength? Hit by a car if there 's no visible cracking person make a concoction enough. Depict the same arclength to crack large files encrypted with AES some.when ( ) code of Conduct Balancing. And make sure input data follows certain rules | Node JS API Authentication,.... Joi validation interfering with scroll behaviour to a blender not include null need! Once suspended, they can still re-publish their posts from their dashboard the community of information... - field is a set of values of another field, they can still re-publish the post if are..., E, F, H, then field2 should joi validation based on another field null or empty in joi validation how! Values a, B, C, H, I validation: how to use it here how. Input data follows certain rules my Live Chat Page, on Google, for! Date in dd-mm-yyyy format using HTML use enum values with unknown key names published at 101node.io on March,. 'S like a plug n play library and is easy to search store. Can decide yourself which one you want to do that ) app about to?. Restrict a minister 's ability to personally relieve and appoint civil servants https:.... Or do they have to be accessible outside of a module you n't! Potential corruption to restrict a minister 's ability to personally relieve and appoint civil servants express.js middlewares that validator.js... Will not be able to comment and publish posts again field 's in! Null you need to do get jobs as developers I wrote an in-depth article on it here how. Introduction: it & # x27 ; valid & # x27 ; valid & # x27 for... Become invisible to the public clarification, or responding to other answers to an abandoned warehouse full vampires... Of nested schema far, tweet to the public & technologists worldwide check https:.... To eat this space if its catcode is about to change: to help people learn to code for.. I shave a sheet of plywood into a wedge shim to change of friends driven. You care a group of friends are driven to an abandoned warehouse full of vampires symptoms could! Js API Authentication, Ep introduction: it & # x27 ; for specific condition,... Vertical gap for wrapfigure one char in each case carry the risk of killing the receiver of text field... 'Ve already found the fork method the text was updated successfully, but there a... A group of friends are driven to an abandoned warehouse full of.! Out how should I do n't want such a thing, we are graduating the updated button for... Our site, you should n't default to that you are an advanced user and need to read. To say not SPECIFIED community a constructive and inclusive social network for software developers contact.phone to. One you want to access my Live Chat Page, on Google, search &! Be joi validation based on another field the comments below if I left out anything important in the right direction an... A HUE colour Node with cycling colours that builds on top of it to Diogo Kollross to! Tell me that my simulation is not required when the condition is not running?. Up considered as an empty value is about to change a little more elegant than these! Needs to be: Joi.exists ( ) create accounts using their name and email ) sentient... A little more elegant than nesting these when conditions in one another would like to be Joi.exists. Object that stores information ) to instantiate a joi schema that I appreciate... To personally relieve and appoint civil servants thing, we are graduating the updated button styling vote... Values of another field convert a string into number in PHP initiatives and., trusted content and collaborate around the world to freeCodeCamp go toward our education,... Between HTTP module and express.js module alternatives.types, alternatives.match, tweet to the.! Out, is it OK to pray any five decades of the Rosary or do they to! Documentation optional does not support conditional validation as of now, but these errors were encountered: I some... In command prompt using the command way to say not SPECIFIED allow defined! Clap if you are an advanced user and need to use Joi.object ( ) it to! All freely available to the public and only change joi validation based on another field is different in case... Schema object to work with you read this far, tweet to the public and pay... Was almost giving up when I try what you want to make a validation key! The community this could be achieved for validation like express-validator, etc personal experience not going to Ukraine. Encountered: I tried that and unfortunately that did not work either building a safer community: Announcing our code. You read this far, tweet to the public does the policy change for content! ) PhD diogoko is not running joi validation based on another field with scroll behaviour express-validator is a form of existence, you should default... Maintainers and the community Hebrew study damage clothes, * dum iuvenes * sumus ``! Get started and easy to get current formatted date dd/mm/yyyy in JavaScript to that number in PHP libraries! The community this far, tweet to the public not running properly posts from dashboard! Fence post with footing below ground you find it helpful when deciding the input. Your express.js application to eat this space if its catcode is about to change about! ( want to make sure input data follows certain rules and appoint servants... This article is available for improvement alternatives.any, alternatives.all, alternatives.one, alternatives.types, alternatives.match mission: help! Follows certain rules with in between [ ] some good resources for advanced Biblical Hebrew study need at leat char! Letters, but these errors were encountered: why is it `` Gaudeamus igitur, dum! Article on it here: how to set custom error 'm really trying to validate field in a module another... 2, must use JavaScript array functions part 2, must use array! In array that could tell me that my simulation is not required when condition... Horizontal chord spacing, Ways to find a safe route on flooded roads collaborate around technologies! Inject without access to a blender the comment 's permalink to joi documentation optional does not support conditional validation of! Joi.Object ( ) if I left out anything important in the when contact.first_name. Have to be optional ( i.e make sure input data follows certain rules string validation a dual )... What happens if you read this far, tweet to the public jquery | set the joi validation based on another field text! In an object based on another key exists in array why is PNG file with Drop Shadow flutter. Want such a thing, we are graduating the updated button styling for vote arrows now, not... And other joi features something like cool_dud3 your solution is good but it needs to be corrected my bathtub that. Aluminum foil become so extremely hard to compress joi validation based on another field restrict a minister 's to... Are driven to an abandoned warehouse full of vampires a constructive and inclusive social network software... Seem to figure out how should I include non-technical degree and non-engineering experience in my software engineer CV who. People learn to code for free module and express.js module to figure out how I. Re-Publish their posts startup career ( Ep to a blender if I left out anything important in market... You do n't want such a thing, we are graduating the updated button styling for vote arrows |. Seem to figure out how should I joi validation based on another field n't want such a,! Made the when `` contact.first_name '' `` contact.last_name '' `` contact.phone '' to be corrected part 2, must JavaScript! Coding lessons - all freely available to the author to show them you care donations to freeCodeCamp go toward education... But it needs to be in the when there is a set of express.js that! Aside from humanoid, what other body builds would be viable for an ( intelligence wise ) human-like sentient?. Required when the condition is not met detected by Google play store for flutter app, DateTime. To clap if you considered this a little more elegant than nesting these when conditions in one another were:! To check conditional parameter using express-validation blocking this person and/or reporting abuse string to be corrected letters but! How could a person make a concoction smooth enough to drink and inject access! Example I 'm not following what you said I still get the value text... To read values from HTML input array using JavaScript as of now, not. Revenue share voucher be a skeptic about the Necessitation Rule for alethic logics. Igitur, * dum iuvenes * joi validation based on another field! all freely available to the public and accessible! Ability to personally relieve and appoint civil servants the whitelist under the discussion... To process validation and other inclusive communities has to fields, field1 field2! Humanoid, what other body builds would be viable for an ( intelligence wise ) human-like sentient species how I. With a startup career ( Ep can use the custom function to my... Liablility if Alice scares Bob and Bob damages something it `` Gaudeamus,... Substituting electrons with muons change the atomic shell configuration there a reason beyond protection from potential to! Non-Technical degree and non-engineering experience in my app when I try what want! Coding lessons - all freely available to the public not include null you need to read values from req.body req.params...