Updated the files.

my-app/node_modules/ajv/lib/compile/validate/subschema.ts

@@ -0,0 +1,135 @@
+import type {AnySchema} from "../../types"
+import type {SchemaObjCxt} from ".."
+import {_, str, getProperty, Code, Name} from "../codegen"
+import {escapeFragment, getErrorPath, Type} from "../util"
+import type {JSONType} from "../rules"
+
+export interface SubschemaContext {
+  // TODO use Optional? align with SchemCxt property types
+  schema: AnySchema
+  schemaPath: Code
+  errSchemaPath: string
+  topSchemaRef?: Code
+  errorPath?: Code
+  dataLevel?: number
+  dataTypes?: JSONType[]
+  data?: Name
+  parentData?: Name
+  parentDataProperty?: Code | number
+  dataNames?: Name[]
+  dataPathArr?: (Code | number)[]
+  propertyName?: Name
+  jtdDiscriminator?: string
+  jtdMetadata?: boolean
+  compositeRule?: true
+  createErrors?: boolean
+  allErrors?: boolean
+}
+
+export type SubschemaArgs = Partial<{
+  keyword: string
+  schemaProp: string | number
+  schema: AnySchema
+  schemaPath: Code
+  errSchemaPath: string
+  topSchemaRef: Code
+  data: Name | Code
+  dataProp: Code | string | number
+  dataTypes: JSONType[]
+  definedProperties: Set<string>
+  propertyName: Name
+  dataPropType: Type
+  jtdDiscriminator: string
+  jtdMetadata: boolean
+  compositeRule: true
+  createErrors: boolean
+  allErrors: boolean
+}>
+
+export function getSubschema(
+  it: SchemaObjCxt,
+  {keyword, schemaProp, schema, schemaPath, errSchemaPath, topSchemaRef}: SubschemaArgs
+): SubschemaContext {
+  if (keyword !== undefined && schema !== undefined) {
+    throw new Error('both "keyword" and "schema" passed, only one allowed')
+  }
+
+  if (keyword !== undefined) {
+    const sch = it.schema[keyword]
+    return schemaProp === undefined
+      ? {
+          schema: sch,
+          schemaPath: _`${it.schemaPath}${getProperty(keyword)}`,
+          errSchemaPath: `${it.errSchemaPath}/${keyword}`,
+        }
+      : {
+          schema: sch[schemaProp],
+          schemaPath: _`${it.schemaPath}${getProperty(keyword)}${getProperty(schemaProp)}`,
+          errSchemaPath: `${it.errSchemaPath}/${keyword}/${escapeFragment(schemaProp)}`,
+        }
+  }
+
+  if (schema !== undefined) {
+    if (schemaPath === undefined || errSchemaPath === undefined || topSchemaRef === undefined) {
+      throw new Error('"schemaPath", "errSchemaPath" and "topSchemaRef" are required with "schema"')
+    }
+    return {
+      schema,
+      schemaPath,
+      topSchemaRef,
+      errSchemaPath,
+    }
+  }
+
+  throw new Error('either "keyword" or "schema" must be passed')
+}
+
+export function extendSubschemaData(
+  subschema: SubschemaContext,
+  it: SchemaObjCxt,
+  {dataProp, dataPropType: dpType, data, dataTypes, propertyName}: SubschemaArgs
+): void {
+  if (data !== undefined && dataProp !== undefined) {
+    throw new Error('both "data" and "dataProp" passed, only one allowed')
+  }
+
+  const {gen} = it
+
+  if (dataProp !== undefined) {
+    const {errorPath, dataPathArr, opts} = it
+    const nextData = gen.let("data", _`${it.data}${getProperty(dataProp)}`, true)
+    dataContextProps(nextData)
+    subschema.errorPath = str`${errorPath}${getErrorPath(dataProp, dpType, opts.jsPropertySyntax)}`
+    subschema.parentDataProperty = _`${dataProp}`
+    subschema.dataPathArr = [...dataPathArr, subschema.parentDataProperty]
+  }
+
+  if (data !== undefined) {
+    const nextData = data instanceof Name ? data : gen.let("data", data, true) // replaceable if used once?
+    dataContextProps(nextData)
+    if (propertyName !== undefined) subschema.propertyName = propertyName
+    // TODO something is possibly wrong here with not changing parentDataProperty and not appending dataPathArr
+  }
+
+  if (dataTypes) subschema.dataTypes = dataTypes
+
+  function dataContextProps(_nextData: Name): void {
+    subschema.data = _nextData
+    subschema.dataLevel = it.dataLevel + 1
+    subschema.dataTypes = []
+    it.definedProperties = new Set<string>()
+    subschema.parentData = it.data
+    subschema.dataNames = [...it.dataNames, _nextData]
+  }
+}
+
+export function extendSubschemaMode(
+  subschema: SubschemaContext,
+  {jtdDiscriminator, jtdMetadata, compositeRule, createErrors, allErrors}: SubschemaArgs
+): void {
+  if (compositeRule !== undefined) subschema.compositeRule = compositeRule
+  if (createErrors !== undefined) subschema.createErrors = createErrors
+  if (allErrors !== undefined) subschema.allErrors = allErrors
+  subschema.jtdDiscriminator = jtdDiscriminator // not inherited
+  subschema.jtdMetadata = jtdMetadata // not inherited
+}