Method compileAsync

lib/core.ts:410–468

(
    schema: AnySchemaObject,
    meta?: boolean
  )

    meta?: boolean
  ): Promise<AnyValidateFunction<T>>
  compileAsync<T = unknown>(
    schema: AnySchemaObject,
    meta?: boolean
  ): Promise<AnyValidateFunction<T>> {
    if (typeof this.opts.loadSchema != "function") {
      throw new Error("options.loadSchema should be a function")
    }
    const {loadSchema} = this.opts
    return runCompileAsync.call(this, schema, meta)

    async function runCompileAsync(
      this: Ajv,
      _schema: AnySchemaObject,
      _meta?: boolean
    ): Promise<AnyValidateFunction> {
      await loadMetaSchema.call(this, _schema.$schema)
      const sch = this._addSchema(_schema, _meta)
      return sch.validate || _compileAsync.call(this, sch)
    }

    async function loadMetaSchema(this: Ajv, $ref?: string): Promise<void> {
      if ($ref && !this.getSchema($ref)) {
        await runCompileAsync.call(this, {$ref}, true)
      }
    }

    async function _compileAsync(this: Ajv, sch: SchemaEnv): Promise<AnyValidateFunction> {
      try {
        return this._compileSchemaEnv(sch)
      } catch (e) {
        if (!(e instanceof MissingRefError)) throw e
        checkLoaded.call(this, e)
        await loadMissingSchema.call(this, e.missingSchema)
        return _compileAsync.call(this, sch)
      }
    }

    function checkLoaded(this: Ajv, {missingSchema: ref, missingRef}: MissingRefError): void {
      if (this.refs[ref]) {
        throw new Error(`AnySchema ${ref} is loaded but ${missingRef} cannot be resolved`)
      }
    }

    async function loadMissingSchema(this: Ajv, ref: string): Promise<void> {
      const _schema = await _loadSchema.call(this, ref)
      if (!this.refs[ref]) await loadMetaSchema.call(this, _schema.$schema)
      if (!this.refs[ref]) this.addSchema(_schema, ref, meta)
    }

    async function _loadSchema(this: Ajv, ref: string): Promise<AnySchemaObject> {
      const p = this._loading[ref]
      if (p) return p
      try {
        return await (this._loading[ref] = loadSchema(ref))
      } finally {
        delete this._loading[ref]
      }
    }