aehrc/fp2spark

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Indexed issues: 50

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
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50 open issues indexed

feat: Implement trace() diagnostic logging (extracted from #277) Open

area:codegen type:not-implemented

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

aehrc/fp2spark#291 · Opened Aug 6, 2026
config.yaml: D1 matcher over-matches toChars/join, forcing a test-infra carve-out Open

area:strings type:tech-debt

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

aehrc/fp2spark#290 · Opened Aug 5, 2026
README: Supported Features section is stale, still framed as Phase 1 Open

type:tech-debt

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

aehrc/fp2spark#289 · Opened Aug 5, 2026
Terminology cache: respect server-provided expiry and ETag revalidation Open

type:tech-debt

Difficulty 4/5 3-5 days Newbie friendliness 50/100

aehrc/fp2spark#288 · Opened Aug 5, 2026
DefaultTerminologyServiceFactory.INSTANCES has no resource cleanup Open

type:tech-debt

Difficulty 4/5 3-5 days Newbie friendliness 55/100

aehrc/fp2spark#287 · Opened Aug 5, 2026
Compat harness: support mock terminology server + async evaluation Open

type:tech-debt

Difficulty 4/5 3-5 days Newbie friendliness 48/100

aehrc/fp2spark#286 · Opened Aug 5, 2026
Design a Static Validity fix for FHIR-shape-constrained ANY signatures Open

area:types type:tech-debt

Difficulty 5/5 Over a week Newbie friendliness 35/100

aehrc/fp2spark#284 · Opened Aug 5, 2026
memberOf(): reconsider treating every 4xx as an unresolvable value set Open

area:terminology type:tech-debt

Difficulty 5/5 Over a week Newbie friendliness 35/100

aehrc/fp2spark#283 · Opened Aug 5, 2026
memberOf(): support authenticated terminology servers Open

area:terminology type:not-implemented

Difficulty 5/5 Over a week Newbie friendliness 30/100

aehrc/fp2spark#282 · Opened Aug 5, 2026
Prepare repository for public release Open

type:tech-debt

aehrc/fp2spark#281 · 1 assignee · Opened Aug 5, 2026
feat: memberOf() on code- and string-valued input Open

area:terminology type:not-implemented

Difficulty 4/5 3-5 days Newbie friendliness 55/100

aehrc/fp2spark#279 · Opened Jul 31, 2026
feat: Implement FHIRPath tree navigation functions: children(), descendants() Open

area:tree area:types compat:fhirpath-js type:not-implemented

Difficulty 5/5 Over a week Newbie friendliness 42/100

aehrc/fp2spark#276 · Opened Jul 31, 2026
feat: Implement FHIR terminology lookup functions: designation(), display(), property() Open

area:terminology compat:fhirpath-js type:not-implemented

Difficulty 5/5 Over a week Newbie friendliness 45/100

aehrc/fp2spark#274 · Opened Jul 31, 2026
feat: Implement translate() terminology function Open

area:terminology compat:fhirpath-js type:not-implemented

Difficulty 5/5 Over a week Newbie friendliness 35/100

aehrc/fp2spark#273 · Opened Jul 31, 2026
Pin Spark session and JVM timezone to UTC in tests Open

area:temporal type:test-infra

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

aehrc/fp2spark#267 · Opened Apr 25, 2026
Enforce SonarCloud quality gate in CI Open

type:tech-debt

Difficulty 4/5 3-5 days Newbie friendliness 55/100

aehrc/fp2spark#263 · Opened Apr 25, 2026
Refactor: introduce type variables, type-set constraints, and LUB in signature resolution Open

area:types refactoring type:tech-debt

Difficulty 5/5 Over a week Newbie friendliness 35/100

aehrc/fp2spark#260 · Opened Apr 25, 2026
feat: Implement STU string functions: matchesFull(), lastIndexOf() Open

area:strings type:not-implemented

Difficulty 3/5 1-2 days Newbie friendliness 76/100

aehrc/fp2spark#256 · Opened Apr 23, 2026
feat: is/as/ofType() do not traverse FHIR type hierarchy (isAssignableFrom) Open

area:types compat:fhirpath-js type:spec-gap

Difficulty 4/5 3-5 days Newbie friendliness 48/100

aehrc/fp2spark#236 · Opened Apr 22, 2026
feat: FHIR Quantity UCUM calendar-duration codes not mapped to System.Quantity calendar durations Open

area:quantity compat:fhirpath-js type:spec-gap

Difficulty 3/5 1-2 days Newbie friendliness 74/100

aehrc/fp2spark#231 · Opened Apr 21, 2026
feat: decimal literals and arithmetic exceed Spark DECIMAL(38,n) scale Open

area:numeric compat:fhirpath-js type:spec-gap

Difficulty 5/5 Over a week Newbie friendliness 35/100

aehrc/fp2spark#229 · Opened Apr 21, 2026
feat: quantity arithmetic — unit canonicalization for multiplication/division Open

area:quantity compat:fhirpath-js type:spec-gap

Difficulty 4/5 3-5 days Newbie friendliness 52/100

aehrc/fp2spark#228 · Opened Apr 21, 2026
feat: calendar duration comparison and equality across unit scales (year↔month, minute↔second) Open

area:quantity area:temporal compat:fhirpath-js type:spec-gap

Difficulty 4/5 3-5 days Newbie friendliness 48/100

aehrc/fp2spark#224 · Opened Apr 21, 2026
Pathling encoders reject non-encodable resource types (Bundle, StructureDefinition, ...) Open

area:encoder compat:fhirpath-js type:spec-gap

Difficulty 4/5 3-5 days Newbie friendliness 45/100

aehrc/fp2spark#208 · Opened Apr 21, 2026
Implement equivalence operators ~ and !~ Open

area:equality compat:fhirpath-js type:not-implemented

Difficulty 4/5 3-5 days Newbie friendliness 52/100

aehrc/fp2spark#207 · Opened Apr 21, 2026
Unsupported FHIRPath environment variables beyond %context Open

area:variables compat:fhirpath-js type:not-implemented

Difficulty 4/5 3-5 days Newbie friendliness 52/100

aehrc/fp2spark#206 · Opened Apr 21, 2026
Implement Quantity comparable() Open

area:quantity compat:fhirpath-js type:not-implemented

Difficulty 3/5 1-2 days Newbie friendliness 55/100

aehrc/fp2spark#205 · Opened Apr 21, 2026
Implement FHIR htmlChecks() Open

area:terminology compat:fhirpath-js type:not-implemented

Difficulty 4/5 3-5 days Newbie friendliness 52/100

aehrc/fp2spark#204 · Opened Apr 21, 2026
Implement FHIR terminology functions: subsumes(), subsumedBy() Open

area:terminology compat:fhirpath-js type:not-implemented

Difficulty 5/5 Over a week Newbie friendliness 45/100

aehrc/fp2spark#203 · Opened Apr 21, 2026
Implement Additional String Functions (STU): encode(), decode(), escape(), unescape() Open

area:strings compat:fhirpath-js type:not-implemented

Difficulty 4/5 3-5 days Newbie friendliness 50/100

aehrc/fp2spark#202 · Opened Apr 21, 2026
Implement aggregate() and aggregate helpers: sum(), min(), max(), avg() Open

area:aggregation compat:fhirpath-js type:not-implemented

Difficulty 5/5 Over a week Newbie friendliness 45/100

aehrc/fp2spark#201 · 1 comment · Opened Apr 21, 2026
Implement boundary/precision functions: lowBoundary(), highBoundary(), precision() Open

area:numeric area:temporal compat:fhirpath-js type:not-implemented

Difficulty 4/5 3-5 days Newbie friendliness 50/100

aehrc/fp2spark#200 · Opened Apr 21, 2026
Implement FHIRPath defineVariable() for user-defined context variables Open

area:variables compat:fhirpath-js type:not-implemented

Difficulty 4/5 3-5 days Newbie friendliness 48/100

aehrc/fp2spark#199 · Opened Apr 21, 2026
feat: Implement FHIRPath environment clock functions: now(), today(), timeOfDay() Open

area:temporal compat:fhirpath-js type:not-implemented

Difficulty 5/5 Over a week Newbie friendliness 32/100

aehrc/fp2spark#198 · Opened Apr 21, 2026
feat: Implement FHIRPath recursive projection functions: repeat(), repeatAll() Open

area:tree compat:fhirpath-js type:not-implemented

Difficulty 5/5 Over a week Newbie friendliness 35/100

aehrc/fp2spark#197 · 1 comment · Opened Apr 21, 2026
Implement %factory environment variable (Type Factory API) Open

area:variables compat:fhirpath-js type:not-implemented

Difficulty 5/5 Over a week Newbie friendliness 35/100

aehrc/fp2spark#194 · Opened Apr 19, 2026
Recursive ValueSet.expansion.contains not encoded Open

area:encoder compat:fhirpath-js type:spec-gap

Difficulty 3/5 1-2 days Newbie friendliness 64/100

aehrc/fp2spark#190 · Opened Apr 17, 2026
iif() 3-arg form (with else-branch) not implemented Open

area:control-flow compat:fhirpath-js type:spec-gap

Difficulty 3/5 1-2 days Newbie friendliness 70/100

aehrc/fp2spark#186 · 2 comments · Opened Apr 17, 2026
YAML compat harness: complex structure comparison fails Open

compat:fhirpath-js type:test-infra

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

aehrc/fp2spark#185 · Opened Apr 17, 2026
Support expression map test runner feature Open

compat:fhirpath-js type:test-infra

Difficulty 3/5 1-2 days Newbie friendliness 58/100

aehrc/fp2spark#184 · Opened Apr 17, 2026
UCUM quantity arithmetic in equality not supported Open

area:equality area:quantity compat:fhirpath-js type:spec-gap

Difficulty 4/5 3-5 days Newbie friendliness 48/100

aehrc/fp2spark#176 · Opened Apr 17, 2026
test-infra: YAML test harness ignores `model` field Open

compat:fhirpath-js type:test-infra

Difficulty 3/5 1-2 days Newbie friendliness 68/100

aehrc/fp2spark#161 · Opened Apr 13, 2026
feat: date/time arithmetic gaps (sub-day precision, timezone, fractional weeks) Open

area:temporal compat:fhirpath-js type:spec-gap

Difficulty 4/5 3-5 days Newbie friendliness 48/100

aehrc/fp2spark#160 · Opened Apr 13, 2026
feat: calendar duration quantity arithmetic gaps Open

area:quantity compat:fhirpath-js type:spec-gap

Difficulty 4/5 3-5 days Newbie friendliness 45/100

aehrc/fp2spark#159 · Opened Apr 13, 2026
YAML reference compat suite: follow-up cleanups from #146 review Open

type:test-infra

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

aehrc/fp2spark#147 · Opened Apr 11, 2026
Audit null-handling consistency in MembershipOps and SetOps for custom-equality types Open

area:equality type:tech-debt

Difficulty 4/5 3-5 days Newbie friendliness 50/100

aehrc/fp2spark#144 · Opened Apr 11, 2026
Migrate TerminologyFunctionsDslTest to compat suite Open

type:test-infra

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

aehrc/fp2spark#135 · Opened Apr 9, 2026
Implement date/time component extraction (yearOf, monthOf, …) Open

area:temporal type:not-implemented

Difficulty 4/5 3-5 days Newbie friendliness 48/100

aehrc/fp2spark#79 · Opened Mar 21, 2026
Generalize iteration variables: $index, $total Open

area:variables type:not-implemented

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

aehrc/fp2spark#68 · Opened Mar 19, 2026
Move combine type compatibility check from code generator to Analyzer Open

area:codegen type:tech-debt

Difficulty 4/5 3-5 days Newbie friendliness 45/100

aehrc/fp2spark#33 · Opened Mar 13, 2026

aehrc/fp2spark

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