hapijs/joi

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The most powerful data validation library for JS

Stars: 21.2k
Forks: 1.5k
Open beginner issues: 0
Indexed issues: 175
Avg merge: 4h 57m
Merged PRs (30d): 14

Dominant language: JavaScript
License: No license data
Last GitHub push: Sep 11, 2026
Latest indexed: Sep 17, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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175 open issues indexed

Document manifest format Open

documentation

hapijs/joi#2043 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Change browser module export Open

breaking changes bug

hapijs/joi#2299 · 11 comments · 6 reactions · 0 assignees · Indexed Sep 17, 2026
Remove $_super (replaced with $_parent()) Open

breaking changes

hapijs/joi#2399 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Pass helpers to external validation methods Open

feature

hapijs/joi#2402 · 3 comments · 6 reactions · 0 assignees · Indexed Sep 17, 2026
Conditional presence Open

feature

hapijs/joi#2412 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Request for comments: changes to array items specifications Open

breaking changes

hapijs/joi#2413 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
How to validate all items in array have the same type Open

feature

hapijs/joi#2429 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Joi.string().uri() fails to validate uri with 2 #, but new URL() works Open

hapijs/joi#2435 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Manage empty string with min Open

hapijs/joi#2443 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
In a nested object -> pattern -> object schema, defaults are not populated in the result if data is invalid Open

hapijs/joi#2449 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Multi flag on some rules Open

documentation

hapijs/joi#2457 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
[Feature request] Prevent parent's tailor option from affecting children tailor options Open

support

hapijs/joi#2462 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
support extending joi with new shorthand meta properties Open

hapijs/joi#2467 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Schema assert in Joi extension args are not using updated value from validation Open

hapijs/joi#2470 · 3 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
building Joi from spec fails when example object contains type property Open

bug

hapijs/joi#2480 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Joi extension language compile with param value have colon Open

hapijs/joi#2483 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Mozilla fire fox is throwing an error with joi date validation Open

bug

hapijs/joi#2484 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Types for Joi.build Open

types

hapijs/joi#2490 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Support intersections Open

types

hapijs/joi#2495 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Validate one of two fields to be present or none to be present based on value of another key Open

hapijs/joi#2499 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
How to access what was `validationResult.details` in latest versions Open

hapijs/joi#2507 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Bug] Joi.date().iso() accepts to receive incomplete dates Open

hapijs/joi#2509 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ValidationResult type inconsistent with API Open

hapijs/joi#2510 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Incorrect type of Joi.Extension.args property Open

hapijs/joi#2511 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Document ref.resolve() Open

documentation

hapijs/joi#2513 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
extension object fails validation when used twice Open

bug

hapijs/joi#2514 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
.default().allow() and undefined; consistency in emitted key-value pairs Open

hapijs/joi#2525 · 3 comments · 4 reactions · 0 assignees · Indexed Sep 17, 2026
if validation had to run failover() it should let the user know Open

hapijs/joi#2527 · 2 comments · 3 reactions · 0 assignees · Indexed Sep 17, 2026
Asterisk on field label depending on schema Open

hapijs/joi#2560 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Example from documentation is misleading Open

documentation

hapijs/joi#2562 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Custom validators recieve an unresolved promise when asynchronously validating. Open

hapijs/joi#2571 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Validating number with comma as decimal point 2 Open

hapijs/joi#2572 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Wrapping of nested schema properties Open

hapijs/joi#2575 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
alternative.match errors should provide details of what caused the error Open

hapijs/joi#2578 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
coercions during alternative match leads to unexpected results Open

hapijs/joi#2579 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Not sure why context would be optional in validation results Open

hapijs/joi#2583 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
Joi.string() +.when() + .warning() Open

hapijs/joi#2591 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add Joi to global scope of https://joi.dev/ Open

hapijs/joi#2592 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
`abortEarly: false` not honored with custom error message Open

hapijs/joi#2595 · 1 comment · 9 reactions · 0 assignees · Indexed Sep 17, 2026
Incorrect local context property name in the Documentation Open

documentation

hapijs/joi#2598 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Joi.string().dataUri() validate incorrectly Open

hapijs/joi#2599 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Supporting schema rules through invalid() / not() Open

feature

hapijs/joi#2604 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Document browser version differences Open

documentation

hapijs/joi#2609 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
question re https://joi.dev/tester/ Open

hapijs/joi#2610 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Re-instate .lazy(..) to support Mutually Recursive Schemas? Open

hapijs/joi#2611 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
isoDuration considers fractional seconds to be invalid Open

hapijs/joi#2612 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Link and When - Cannot combine object with link Open

hapijs/joi#2615 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
how to unset a string field when it's an empty string Open

hapijs/joi#2617 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Document message templating Open

documentation

hapijs/joi#2623 · 1 comment · 4 reactions · 0 assignees · Indexed Sep 17, 2026
alternatives should return errors Open

hapijs/joi#2625 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026

hapijs/joi

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