ajv/lib/jtd.ts

import type {AnySchemaObject, SchemaObject, JTDParser} from "./types"
import type {JTDSchemaType, SomeJTDSchemaType, JTDDataType} from "./types/jtd-schema"
import AjvCore, {CurrentOptions} from "./core"
import jtdVocabulary from "./vocabularies/jtd"
import jtdMetaSchema from "./refs/jtd-schema"
import compileSerializer from "./compile/jtd/serialize"
import compileParser from "./compile/jtd/parse"
import {SchemaEnv} from "./compile"

const META_SCHEMA_ID = "JTD-meta-schema"

type JTDOptions = CurrentOptions & {
  // strict mode options not supported with JTD:
  strict?: never
  allowMatchingProperties?: never
  allowUnionTypes?: never
  validateFormats?: never
  // validation and reporting options not supported with JTD:
  $data?: never
  verbose?: boolean
  $comment?: never
  formats?: never
  loadSchema?: never
  // options to modify validated data:
  useDefaults?: never
  coerceTypes?: never
  // advanced options:
  next?: never
  unevaluated?: never
  dynamicRef?: never
  meta?: boolean
  defaultMeta?: never
  inlineRefs?: boolean
  loopRequired?: never
  multipleOfPrecision?: never
}

class Ajv extends AjvCore {
  constructor(opts: JTDOptions = {}) {
    super({
      ...opts,
      jtd: true,
    })
  }

  _addVocabularies(): void {
    super._addVocabularies()
    this.addVocabulary(jtdVocabulary)
  }

  _addDefaultMetaSchema(): void {
    super._addDefaultMetaSchema()
    if (!this.opts.meta) return
    this.addMetaSchema(jtdMetaSchema, META_SCHEMA_ID, false)
  }

  defaultMeta(): string | AnySchemaObject | undefined {
    return (this.opts.defaultMeta =
      super.defaultMeta() || (this.getSchema(META_SCHEMA_ID) ? META_SCHEMA_ID : undefined))
  }

  compileSerializer<T = unknown>(schema: SchemaObject): (data: T) => string
  // Separated for type inference to work
  // eslint-disable-next-line @typescript-eslint/unified-signatures
  compileSerializer<T = unknown>(schema: JTDSchemaType<T>): (data: T) => string
  compileSerializer<T = unknown>(schema: SchemaObject): (data: T) => string {
    const sch = this._addSchema(schema)
    return sch.serialize || this._compileSerializer(sch)
  }

  compileParser<T = unknown>(schema: SchemaObject): JTDParser<T>
  // Separated for type inference to work
  // eslint-disable-next-line @typescript-eslint/unified-signatures
  compileParser<T = unknown>(schema: JTDSchemaType<T>): JTDParser<T>
  compileParser<T = unknown>(schema: SchemaObject): JTDParser<T> {
    const sch = this._addSchema(schema)
    return (sch.parse || this._compileParser(sch)) as JTDParser<T>
  }

  private _compileSerializer<T>(sch: SchemaEnv): (data: T) => string {
    compileSerializer.call(this, sch, (sch.schema as AnySchemaObject).definitions || {})
    /* istanbul ignore if */
    if (!sch.serialize) throw new Error("ajv implementation error")
    return sch.serialize
  }

  private _compileParser(sch: SchemaEnv): JTDParser {
    compileParser.call(this, sch, (sch.schema as AnySchemaObject).definitions || {})
    /* istanbul ignore if */
    if (!sch.parse) throw new Error("ajv implementation error")
    return sch.parse
  }
}

module.exports = exports = Ajv
Object.defineProperty(exports, "__esModule", {value: true})

export default Ajv

export {
  Format,
  FormatDefinition,
  AsyncFormatDefinition,
  KeywordDefinition,
  KeywordErrorDefinition,
  CodeKeywordDefinition,
  MacroKeywordDefinition,
  FuncKeywordDefinition,
  Vocabulary,
  Schema,
  SchemaObject,
  AnySchemaObject,
  AsyncSchema,
  AnySchema,
  ValidateFunction,
  AsyncValidateFunction,
  ErrorObject,
  ErrorNoParams,
  JTDParser,
} from "./types"

export {Plugin, Options, CodeOptions, InstanceOptions, Logger, ErrorsTextOptions} from "./core"
export {SchemaCxt, SchemaObjCxt} from "./compile"
export {KeywordCxt} from "./compile/validate"
export {JTDErrorObject} from "./vocabularies/jtd"
export {_, str, stringify, nil, Name, Code, CodeGen, CodeGenOptions} from "./compile/codegen"

export {JTDSchemaType, SomeJTDSchemaType, JTDDataType}
export {JTDOptions}