FHIR/fhir-codegen

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Tools for code generation based on the FHIR specification.

Stars: 154
Forks: 57
Open beginner issues: 0
Indexed issues: 15
Avg merge: 1m
Merged PRs (30d): 1

Dominant language: TypeScript
License: MIT
Last GitHub push: Aug 27, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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15 open issues indexed

TypeScript generator does not emit SimpleQuantity (constrained Quantity) Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

FHIR/fhir-codegen#177 · 2 comments · Opened Nov 20, 2025
Code breaks when trying to convert to an enum Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

FHIR/fhir-codegen#175 · Opened Oct 21, 2025
Zod Code Generation Support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

FHIR/fhir-codegen#160 · Opened Aug 6, 2024
Generate extension classes from IG Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

FHIR/fhir-codegen#146 · 5 comments · 1 reaction · Opened Aug 15, 2023
Be able to generate code/classes for any package, not just core specs Open

enhancement Firely language export

Difficulty 5/5 Over a week Newbie friendliness 25/100

FHIR/fhir-codegen#145 · 6 reactions · Opened Aug 10, 2023
Generate .index.json on the fly or remove dependency on it for packages that do not have them Open

core enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

FHIR/fhir-codegen#143 · Opened Aug 10, 2023
Add Source generation for custom resources Open

core enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

FHIR/fhir-codegen#140 · 2 comments · Opened Aug 9, 2023
Make "Reference" type generic? Open

enhancement typescript

Difficulty 5/5 Over a week Newbie friendliness 25/100

FHIR/fhir-codegen#70 · 6 comments · Opened Jul 21, 2021
Unify SerializaExtensionList with Element.SerializeToJson()? Open

Firely

Difficulty 5/5 Over a week Newbie friendliness 15/100

FHIR/fhir-codegen#62 · Opened Jun 16, 2021
Split up generated json parsers/serializers into common and version-specific Open

Firely

Difficulty 5/5 Over a week Newbie friendliness 25/100

FHIR/fhir-codegen#61 · Opened Jun 16, 2021
Redo primitive deserialization code to use no-param constructors Open

Firely

Difficulty 4/5 3-5 days Newbie friendliness 42/100

FHIR/fhir-codegen#59 · 2 comments · Opened Jun 16, 2021
Enable configuring a factory when instantiating new instances while deserializing Open

Firely

Difficulty 5/5 Over a week Newbie friendliness 25/100

FHIR/fhir-codegen#58 · Opened Jun 16, 2021
Add syntax checks to the deserializer Open

Firely

Difficulty 5/5 Over a week Newbie friendliness 25/100

FHIR/fhir-codegen#57 · 3 comments · Opened Jun 16, 2021
Use DateTime/DateTimeOffset for dates and times Open

c# basic enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

FHIR/fhir-codegen#10 · 1 comment · Opened Jul 2, 2020
Consider splitting into two language options for different use cases Open

c# basic enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

FHIR/fhir-codegen#7 · Opened Jul 2, 2020

FHIR/fhir-codegen

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