schema.spec.core
Protocol and preliminaries for Schema 'specs', which are a common language for schemas to use to express their structure.
Protocol and preliminaries for Schema 'specs', which are a common language for schemas to use to express their structure.
CoreSpecclj/sprotocol
Specs are a common language for Schemas to express their structure. These two use-cases aren't priveledged, just the two that are considered core to being a Spec.
Specs are a common language for Schemas to express their structure. These two use-cases aren't priveledged, just the two that are considered core to being a Spec.
checkerclj/s
(checker this params)Create a function that takes [data], and either returns a walked version of data (by default, usually just data), or a utils/ErrorContainer containing value that looks like the 'bad' parts of data with ValidationErrors at the leaves describing the failures.
params are: subschema-checker, return-walked?, and cache.
params is a map specifying:
- subschema-checker - a function for checking subschemas
- returned-walked? - a boolean specifying whether to return a walked version of the data (otherwise, nil is returned which increases performance)
- cache - a map structure from schema to checker, which speeds up checker creation when the same subschema appears multiple times, and also facilitates handling recursive schemas.
Create a function that takes [data], and either returns a walked version of data (by default, usually just data), or a utils/ErrorContainer containing value that looks like the 'bad' parts of data with ValidationErrors at the leaves describing the failures. params are: subschema-checker, return-walked?, and cache. params is a map specifying: - subschema-checker - a function for checking subschemas - returned-walked? - a boolean specifying whether to return a walked version of the data (otherwise, nil is returned which increases performance) - cache - a map structure from schema to checker, which speeds up checker creation when the same subschema appears multiple times, and also facilitates handling recursive schemas.
subschemasclj/s
(subschemas this)List all subschemas
List all subschemas
preconditionclj/s
(precondition s p err-f)Helper for making preconditions. Takes a schema, predicate p, and error function err-f. If the datum passes the predicate, returns nil. Otherwise, returns a validation error with description (err-f datum-description), where datum-description is a (short) printable standin for the datum.
Helper for making preconditions. Takes a schema, predicate p, and error function err-f. If the datum passes the predicate, returns nil. Otherwise, returns a validation error with description (err-f datum-description), where datum-description is a (short) printable standin for the datum.
run-checkerclj/s
(run-checker f return-walked? s)A helper to start a checking run, by setting the appropriate params. For examples, see schema.core/checker or schema.coerce/coercer.
A helper to start a checking run, by setting the appropriate params. For examples, see schema.core/checker or schema.coerce/coercer.
simple-preconditionclj/smacro
(simple-precondition s f-sym)A simple precondition where f-sym names a predicate (e.g. (simple-precondition s map?))
A simple precondition where f-sym names a predicate (e.g. (simple-precondition s map?))
sub-checkerclj/s
(sub-checker {:keys [schema error-wrap]}
{:keys [subschema-checker cache] :as params})Should be called recursively on each subschema in the 'checker' method of a spec. Handles caching and error wrapping behavior.
Should be called recursively on each subschema in the 'checker' method of a spec. Handles caching and error wrapping behavior.
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