ErrLookup › ReactiveX/rxjs

ReactiveX/rxjs

A reactive programming library for JavaScript · TypeScript · 351 source files

Analyzed at 54796b38a5 on 2026-08-28. 71 documented errors.

Code / MessageTypeSeverityTags
Unknown mode: ${mode}
exception error cli, argument-validation, migration
Unknown framework: ${framework}
exception error cli, argument-validation, migration, test-framework
Unknown option: ${argument}
exception error cli, argument-validation, unknown-flag
Missing required argument${missing.length === 1 ? '' : 's'}:
exception error cli, required-arguments, migration
--out-dir is required with --write
validation error cli, argument-validation, filesystem
${option} requires a value
exception error cli, argument-validation
TypeScript did not return a transformed source file.
exception error typescript, compiler-api, codemod, invariant
Duplicate output path: ${outputLocalName}
validation error migrate, filesystem, duplicate, planning
Migration result was refused for source: ${sourcePath}
exception error migrate, validation, refusal, plan-apply
Output path must identify a file below outputRoot: ${outputP
validation error migrate, filesystem, path-validation
Duplicate output path: ${outputPath}
validation error migrate, filesystem, duplicate, plan-apply
Refusing to overwrite a symbolic link: ${outputPath}
validation error migrate, filesystem, symlink, write-safety
Output path is not a regular file: ${outputPath}
validation error migrate, filesystem, write-safety, path-validation
Output path already exists; enable overwrite explicitly: ${o
validation error migrate, filesystem, overwrite, write-safety
outputRoot is required when write is enabled.
validation error migrate, configuration, missing-option
Output name must be a non-empty relative path: ${outputName
validation error migrate, filesystem, path-validation, configuration
Output name must identify a file below outputRoot: ${outputN
validation error migrate, filesystem, path-validation, configuration
${message}
exception error path-traversal, filesystem, validation
${label} is not a directory: ${path}
validation error filesystem, configuration, validation
An output path ancestor is not a directory: ${existing}
validation error filesystem, output-path, validation
TypeScript did not return a transformed source file.
exception error typescript, ast, internal-invariant
TypeScript did not return a transformed source file.
exception error typescript, ast, internal-invariant, testscheduler
Cannot locate the @rxjs/migrate package entry point.
exception error cli, environment, initialization
Cannot locate the canonical Skill shipped by @rxjs/migrate.
exception error cli, installation, packaging
Usage: rxjs-migrate-skill <check|install|update|remove> --ha
validation error cli, arguments, usage
--harness requires codex, claude, or cursor
validation error cli, arguments, validation
--project-root requires a directory
validation error cli, arguments, validation
Unknown option: ${String(argument)}
validation error cli, arguments, validation
--harness is required
validation error cli, arguments, required-option
Refusing to install over a ${state} Skill copy at ${installa
exception error cli, skill-install, safety-guard, overwrite-protection
Refusing to overwrite a locally modified Skill copy at ${ins
exception error cli, skill-install, safety-guard, overwrite-protection
Refusing to remove a locally modified Skill copy at ${instal
exception error cli, skill-install, safety-guard, deletion-protection
Project root is not a directory: ${projectRoot}
validation error cli, filesystem, validation
Canonical Skill root is not a directory: ${canonicalSkillRoo
validation error cli, filesystem, packaging, validation
Invalid Skill installation provenance.
validation error cli, skill-install, schema-validation, corruption
${message}
exception error path-traversal, skill-install, filesystem, validation
Canonical Skill content must not contain symbolic links: ${a
exception error
Canonical Skill content must contain only regular files and
exception error
Skill content resolves outside its canonical root: ${candida
exception error
Illegal constructor
exception error
Subscriber.addTeardown requires a callback
exception error
Subscriber.next requires a value
exception error
Subscriber.error requires an error
exception error
${String(key)} must be callable
exception error
Object does not define a callable Symbol.iterator method
exception error
Symbol.iterator must return an object
exception error
Iterator must define a callable next() method
exception error iterator, symbol-iterator, observable-from, typeerror, validation
Symbol.asyncIterator must return an object
exception error async-iterator, symbol-asynciterator, observable-from, typeerror, validation
Iterator return() must return an Object
exception error iterator, iterator-return, teardown, unsubscribe, typeerror
Iterator next() must return an Object
exception error iterator, iterator-next, observable-from, typeerror, protocol
${String(value)} is not observable
exception error observable-from, typeerror, type-validation, primitive
Observable constructor requires a callback
exception error observable-constructor, typeerror, callback-required, api-misuse
Cannot initialize @rxjs/observable-polyfill: ${label} is not
exception critical polyfill-installation, global-this, property-descriptor, lockdown, initialization
Cannot initialize @rxjs/observable-polyfill and could not fu
exception critical polyfill, installation, rollback, aggregate-error, globalthis
Cannot initialize @rxjs/observable-polyfill: AbortController
exception critical polyfill, abortcontroller, environment, cancellation, node-version
Must combine observable instance with an array of observable
exception error combine-latest, argument-validation, rxjs-next, api-misuse
A combineLatest projection requires an array of observable v
exception error combine-latest, result-selector, rxjs-next, migration
Cannot install the RxJS create protocol: ${CREATE_SYMBOL_KEY
exception error symbol, patching, install, collision-isolation, rxjs-next
argument out of range
exception error element-at, argument-out-of-range, validation, off-by-one
RxJS Next expand does not support a scheduler argument.
exception error expand, scheduler, rxjs-next, migration, removed-api
RxJS Next expand options must be an object.
exception error expand, options-object, rxjs-next, migration
Scheduler-backed generate is not supported by this Symbol co
exception error generate, scheduler, rxjs-next, migration, removed-api
Unexpected notification kind ${kind}
exception error notification, validation, serialization, rxjs-next
Invalid notification, missing "kind"
exception error notification, observe, validation, materialize
list of properties cannot be empty.
exception error pluck, argument-validation, spread, empty-arguments
Scheduler-backed publishReplay is not supported by this Symb
exception error publish-replay, scheduler, rxjs-next, migration, removed-api
refCount requires a ConnectableObservable
exception error ref-count, connectable-observable, publish, rxjs-next, api-misuse
Scheduler-backed shareReplay is not supported by this Symbol
exception error share-replay, scheduler, rxjs-next, migration, removed-api
MarbleContext.setTimeout: callback must be a function
exception error test-scheduler, marble-testing, settimeout, callback-validation
MarbleContext.setInterval: callback must be a function
exception error test-scheduler, marble-testing, setinterval, callback-validation
Invalid time format: ${time}
validation error testing, time-format, scheduled-observable, rxjs-next, input-validation