From 291803c31f829fe0d32bb3207bc11def95a7408c Mon Sep 17 00:00:00 2001
From: Nevena Bojovic <nenabojov@gmail.com>
Date: Tue, 1 Mar 2022 20:05:50 +0100
Subject: Urađena test aplikacija. Povezan front i back.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .../node_modules/ajv/lib/compile/jtd/parse.ts      | 411 +++++++++++++++++++++
 .../node_modules/ajv/lib/compile/jtd/serialize.ts  | 260 +++++++++++++
 .../node_modules/ajv/lib/compile/jtd/types.ts      |  16 +
 3 files changed, 687 insertions(+)
 create mode 100644 sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/jtd/parse.ts
 create mode 100644 sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/jtd/serialize.ts
 create mode 100644 sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/jtd/types.ts

(limited to 'sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/jtd')

diff --git a/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/jtd/parse.ts b/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/jtd/parse.ts
new file mode 100644
index 00000000..cd2611e7
--- /dev/null
+++ b/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/jtd/parse.ts
@@ -0,0 +1,411 @@
+import type Ajv from "../../core"
+import type {SchemaObject} from "../../types"
+import {jtdForms, JTDForm, SchemaObjectMap} from "./types"
+import {SchemaEnv, getCompilingSchema} from ".."
+import {_, str, and, or, nil, not, CodeGen, Code, Name, SafeExpr} from "../codegen"
+import MissingRefError from "../ref_error"
+import N from "../names"
+import {hasPropFunc} from "../../vocabularies/code"
+import {hasRef} from "../../vocabularies/jtd/ref"
+import {intRange, IntType} from "../../vocabularies/jtd/type"
+import {parseJson, parseJsonNumber, parseJsonString} from "../../runtime/parseJson"
+import {useFunc} from "../util"
+import validTimestamp from "../../runtime/timestamp"
+
+type GenParse = (cxt: ParseCxt) => void
+
+const genParse: {[F in JTDForm]: GenParse} = {
+  elements: parseElements,
+  values: parseValues,
+  discriminator: parseDiscriminator,
+  properties: parseProperties,
+  optionalProperties: parseProperties,
+  enum: parseEnum,
+  type: parseType,
+  ref: parseRef,
+}
+
+interface ParseCxt {
+  readonly gen: CodeGen
+  readonly self: Ajv // current Ajv instance
+  readonly schemaEnv: SchemaEnv
+  readonly definitions: SchemaObjectMap
+  schema: SchemaObject
+  data: Code
+  parseName: Name
+  char: Name
+}
+
+export default function compileParser(
+  this: Ajv,
+  sch: SchemaEnv,
+  definitions: SchemaObjectMap
+): SchemaEnv {
+  const _sch = getCompilingSchema.call(this, sch)
+  if (_sch) return _sch
+  const {es5, lines} = this.opts.code
+  const {ownProperties} = this.opts
+  const gen = new CodeGen(this.scope, {es5, lines, ownProperties})
+  const parseName = gen.scopeName("parse")
+  const cxt: ParseCxt = {
+    self: this,
+    gen,
+    schema: sch.schema as SchemaObject,
+    schemaEnv: sch,
+    definitions,
+    data: N.data,
+    parseName,
+    char: gen.name("c"),
+  }
+
+  let sourceCode: string | undefined
+  try {
+    this._compilations.add(sch)
+    sch.parseName = parseName
+    parserFunction(cxt)
+    gen.optimize(this.opts.code.optimize)
+    const parseFuncCode = gen.toString()
+    sourceCode = `${gen.scopeRefs(N.scope)}return ${parseFuncCode}`
+    const makeParse = new Function(`${N.scope}`, sourceCode)
+    const parse: (json: string) => unknown = makeParse(this.scope.get())
+    this.scope.value(parseName, {ref: parse})
+    sch.parse = parse
+  } catch (e) {
+    if (sourceCode) this.logger.error("Error compiling parser, function code:", sourceCode)
+    delete sch.parse
+    delete sch.parseName
+    throw e
+  } finally {
+    this._compilations.delete(sch)
+  }
+  return sch
+}
+
+const undef = _`undefined`
+
+function parserFunction(cxt: ParseCxt): void {
+  const {gen, parseName, char} = cxt
+  gen.func(parseName, _`${N.json}, ${N.jsonPos}, ${N.jsonPart}`, false, () => {
+    gen.let(N.data)
+    gen.let(char)
+    gen.assign(_`${parseName}.message`, undef)
+    gen.assign(_`${parseName}.position`, undef)
+    gen.assign(N.jsonPos, _`${N.jsonPos} || 0`)
+    gen.const(N.jsonLen, _`${N.json}.length`)
+    parseCode(cxt)
+    skipWhitespace(cxt)
+    gen.if(N.jsonPart, () => {
+      gen.assign(_`${parseName}.position`, N.jsonPos)
+      gen.return(N.data)
+    })
+    gen.if(_`${N.jsonPos} === ${N.jsonLen}`, () => gen.return(N.data))
+    jsonSyntaxError(cxt)
+  })
+}
+
+function parseCode(cxt: ParseCxt): void {
+  let form: JTDForm | undefined
+  for (const key of jtdForms) {
+    if (key in cxt.schema) {
+      form = key
+      break
+    }
+  }
+  if (form) parseNullable(cxt, genParse[form])
+  else parseEmpty(cxt)
+}
+
+const parseBoolean = parseBooleanToken(true, parseBooleanToken(false, jsonSyntaxError))
+
+function parseNullable(cxt: ParseCxt, parseForm: GenParse): void {
+  const {gen, schema, data} = cxt
+  if (!schema.nullable) return parseForm(cxt)
+  tryParseToken(cxt, "null", parseForm, () => gen.assign(data, null))
+}
+
+function parseElements(cxt: ParseCxt): void {
+  const {gen, schema, data} = cxt
+  parseToken(cxt, "[")
+  const ix = gen.let("i", 0)
+  gen.assign(data, _`[]`)
+  parseItems(cxt, "]", () => {
+    const el = gen.let("el")
+    parseCode({...cxt, schema: schema.elements, data: el})
+    gen.assign(_`${data}[${ix}++]`, el)
+  })
+}
+
+function parseValues(cxt: ParseCxt): void {
+  const {gen, schema, data} = cxt
+  parseToken(cxt, "{")
+  gen.assign(data, _`{}`)
+  parseItems(cxt, "}", () => parseKeyValue(cxt, schema.values))
+}
+
+function parseItems(cxt: ParseCxt, endToken: string, block: () => void): void {
+  tryParseItems(cxt, endToken, block)
+  parseToken(cxt, endToken)
+}
+
+function tryParseItems(cxt: ParseCxt, endToken: string, block: () => void): void {
+  const {gen} = cxt
+  gen.for(_`;${N.jsonPos}<${N.jsonLen} && ${jsonSlice(1)}!==${endToken};`, () => {
+    block()
+    tryParseToken(cxt, ",", () => gen.break(), hasItem)
+  })
+
+  function hasItem(): void {
+    tryParseToken(cxt, endToken, () => {}, jsonSyntaxError)
+  }
+}
+
+function parseKeyValue(cxt: ParseCxt, schema: SchemaObject): void {
+  const {gen} = cxt
+  const key = gen.let("key")
+  parseString({...cxt, data: key})
+  parseToken(cxt, ":")
+  parsePropertyValue(cxt, key, schema)
+}
+
+function parseDiscriminator(cxt: ParseCxt): void {
+  const {gen, data, schema} = cxt
+  const {discriminator, mapping} = schema
+  parseToken(cxt, "{")
+  gen.assign(data, _`{}`)
+  const startPos = gen.const("pos", N.jsonPos)
+  const value = gen.let("value")
+  const tag = gen.let("tag")
+  tryParseItems(cxt, "}", () => {
+    const key = gen.let("key")
+    parseString({...cxt, data: key})
+    parseToken(cxt, ":")
+    gen.if(
+      _`${key} === ${discriminator}`,
+      () => {
+        parseString({...cxt, data: tag})
+        gen.assign(_`${data}[${key}]`, tag)
+        gen.break()
+      },
+      () => parseEmpty({...cxt, data: value}) // can be discarded/skipped
+    )
+  })
+  gen.assign(N.jsonPos, startPos)
+  gen.if(_`${tag} === undefined`)
+  parsingError(cxt, str`discriminator tag not found`)
+  for (const tagValue in mapping) {
+    gen.elseIf(_`${tag} === ${tagValue}`)
+    parseSchemaProperties({...cxt, schema: mapping[tagValue]}, discriminator)
+  }
+  gen.else()
+  parsingError(cxt, str`discriminator value not in schema`)
+  gen.endIf()
+}
+
+function parseProperties(cxt: ParseCxt): void {
+  const {gen, data} = cxt
+  parseToken(cxt, "{")
+  gen.assign(data, _`{}`)
+  parseSchemaProperties(cxt)
+}
+
+function parseSchemaProperties(cxt: ParseCxt, discriminator?: string): void {
+  const {gen, schema, data} = cxt
+  const {properties, optionalProperties, additionalProperties} = schema
+  parseItems(cxt, "}", () => {
+    const key = gen.let("key")
+    parseString({...cxt, data: key})
+    parseToken(cxt, ":")
+    gen.if(false)
+    parseDefinedProperty(cxt, key, properties)
+    parseDefinedProperty(cxt, key, optionalProperties)
+    if (discriminator) {
+      gen.elseIf(_`${key} === ${discriminator}`)
+      const tag = gen.let("tag")
+      parseString({...cxt, data: tag}) // can be discarded, it is already assigned
+    }
+    gen.else()
+    if (additionalProperties) {
+      parseEmpty({...cxt, data: _`${data}[${key}]`})
+    } else {
+      parsingError(cxt, str`property ${key} not allowed`)
+    }
+    gen.endIf()
+  })
+  if (properties) {
+    const hasProp = hasPropFunc(gen)
+    const allProps: Code = and(
+      ...Object.keys(properties).map((p): Code => _`${hasProp}.call(${data}, ${p})`)
+    )
+    gen.if(not(allProps), () => parsingError(cxt, str`missing required properties`))
+  }
+}
+
+function parseDefinedProperty(cxt: ParseCxt, key: Name, schemas: SchemaObjectMap = {}): void {
+  const {gen} = cxt
+  for (const prop in schemas) {
+    gen.elseIf(_`${key} === ${prop}`)
+    parsePropertyValue(cxt, key, schemas[prop] as SchemaObject)
+  }
+}
+
+function parsePropertyValue(cxt: ParseCxt, key: Name, schema: SchemaObject): void {
+  parseCode({...cxt, schema, data: _`${cxt.data}[${key}]`})
+}
+
+function parseType(cxt: ParseCxt): void {
+  const {gen, schema, data, self} = cxt
+  switch (schema.type) {
+    case "boolean":
+      parseBoolean(cxt)
+      break
+    case "string":
+      parseString(cxt)
+      break
+    case "timestamp": {
+      parseString(cxt)
+      const vts = useFunc(gen, validTimestamp)
+      const {allowDate, parseDate} = self.opts
+      const notValid = allowDate ? _`!${vts}(${data}, true)` : _`!${vts}(${data})`
+      const fail: Code = parseDate
+        ? or(notValid, _`(${data} = new Date(${data}), false)`, _`isNaN(${data}.valueOf())`)
+        : notValid
+      gen.if(fail, () => parsingError(cxt, str`invalid timestamp`))
+      break
+    }
+    case "float32":
+    case "float64":
+      parseNumber(cxt)
+      break
+    default: {
+      const t = schema.type as IntType
+      if (!self.opts.int32range && (t === "int32" || t === "uint32")) {
+        parseNumber(cxt, 16) // 2 ** 53 - max safe integer
+        if (t === "uint32") {
+          gen.if(_`${data} < 0`, () => parsingError(cxt, str`integer out of range`))
+        }
+      } else {
+        const [min, max, maxDigits] = intRange[t]
+        parseNumber(cxt, maxDigits)
+        gen.if(_`${data} < ${min} || ${data} > ${max}`, () =>
+          parsingError(cxt, str`integer out of range`)
+        )
+      }
+    }
+  }
+}
+
+function parseString(cxt: ParseCxt): void {
+  parseToken(cxt, '"')
+  parseWith(cxt, parseJsonString)
+}
+
+function parseEnum(cxt: ParseCxt): void {
+  const {gen, data, schema} = cxt
+  const enumSch = schema.enum
+  parseToken(cxt, '"')
+  // TODO loopEnum
+  gen.if(false)
+  for (const value of enumSch) {
+    const valueStr = JSON.stringify(value).slice(1) // remove starting quote
+    gen.elseIf(_`${jsonSlice(valueStr.length)} === ${valueStr}`)
+    gen.assign(data, str`${value}`)
+    gen.add(N.jsonPos, valueStr.length)
+  }
+  gen.else()
+  jsonSyntaxError(cxt)
+  gen.endIf()
+}
+
+function parseNumber(cxt: ParseCxt, maxDigits?: number): void {
+  const {gen} = cxt
+  skipWhitespace(cxt)
+  gen.if(
+    _`"-0123456789".indexOf(${jsonSlice(1)}) < 0`,
+    () => jsonSyntaxError(cxt),
+    () => parseWith(cxt, parseJsonNumber, maxDigits)
+  )
+}
+
+function parseBooleanToken(bool: boolean, fail: GenParse): GenParse {
+  return (cxt) => {
+    const {gen, data} = cxt
+    tryParseToken(
+      cxt,
+      `${bool}`,
+      () => fail(cxt),
+      () => gen.assign(data, bool)
+    )
+  }
+}
+
+function parseRef(cxt: ParseCxt): void {
+  const {gen, self, definitions, schema, schemaEnv} = cxt
+  const {ref} = schema
+  const refSchema = definitions[ref]
+  if (!refSchema) throw new MissingRefError("", ref, `No definition ${ref}`)
+  if (!hasRef(refSchema)) return parseCode({...cxt, schema: refSchema})
+  const {root} = schemaEnv
+  const sch = compileParser.call(self, new SchemaEnv({schema: refSchema, root}), definitions)
+  partialParse(cxt, getParser(gen, sch), true)
+}
+
+function getParser(gen: CodeGen, sch: SchemaEnv): Code {
+  return sch.parse
+    ? gen.scopeValue("parse", {ref: sch.parse})
+    : _`${gen.scopeValue("wrapper", {ref: sch})}.parse`
+}
+
+function parseEmpty(cxt: ParseCxt): void {
+  parseWith(cxt, parseJson)
+}
+
+function parseWith(cxt: ParseCxt, parseFunc: {code: string}, args?: SafeExpr): void {
+  partialParse(cxt, useFunc(cxt.gen, parseFunc), args)
+}
+
+function partialParse(cxt: ParseCxt, parseFunc: Name, args?: SafeExpr): void {
+  const {gen, data} = cxt
+  gen.assign(data, _`${parseFunc}(${N.json}, ${N.jsonPos}${args ? _`, ${args}` : nil})`)
+  gen.assign(N.jsonPos, _`${parseFunc}.position`)
+  gen.if(_`${data} === undefined`, () => parsingError(cxt, _`${parseFunc}.message`))
+}
+
+function parseToken(cxt: ParseCxt, tok: string): void {
+  tryParseToken(cxt, tok, jsonSyntaxError)
+}
+
+function tryParseToken(cxt: ParseCxt, tok: string, fail: GenParse, success?: GenParse): void {
+  const {gen} = cxt
+  const n = tok.length
+  skipWhitespace(cxt)
+  gen.if(
+    _`${jsonSlice(n)} === ${tok}`,
+    () => {
+      gen.add(N.jsonPos, n)
+      success?.(cxt)
+    },
+    () => fail(cxt)
+  )
+}
+
+function skipWhitespace({gen, char: c}: ParseCxt): void {
+  gen.code(
+    _`while((${c}=${N.json}[${N.jsonPos}],${c}===" "||${c}==="\\n"||${c}==="\\r"||${c}==="\\t"))${N.jsonPos}++;`
+  )
+}
+
+function jsonSlice(len: number | Name): Code {
+  return len === 1
+    ? _`${N.json}[${N.jsonPos}]`
+    : _`${N.json}.slice(${N.jsonPos}, ${N.jsonPos}+${len})`
+}
+
+function jsonSyntaxError(cxt: ParseCxt): void {
+  parsingError(cxt, _`"unexpected token " + ${N.json}[${N.jsonPos}]`)
+}
+
+function parsingError({gen, parseName}: ParseCxt, msg: Code): void {
+  gen.assign(_`${parseName}.message`, msg)
+  gen.assign(_`${parseName}.position`, N.jsonPos)
+  gen.return(undef)
+}
diff --git a/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/jtd/serialize.ts b/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/jtd/serialize.ts
new file mode 100644
index 00000000..a8b36bd8
--- /dev/null
+++ b/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/jtd/serialize.ts
@@ -0,0 +1,260 @@
+import type Ajv from "../../core"
+import type {SchemaObject} from "../../types"
+import {jtdForms, JTDForm, SchemaObjectMap} from "./types"
+import {SchemaEnv, getCompilingSchema} from ".."
+import {_, str, and, getProperty, CodeGen, Code, Name} from "../codegen"
+import MissingRefError from "../ref_error"
+import N from "../names"
+import {isOwnProperty} from "../../vocabularies/code"
+import {hasRef} from "../../vocabularies/jtd/ref"
+import {useFunc} from "../util"
+import quote from "../../runtime/quote"
+
+const genSerialize: {[F in JTDForm]: (cxt: SerializeCxt) => void} = {
+  elements: serializeElements,
+  values: serializeValues,
+  discriminator: serializeDiscriminator,
+  properties: serializeProperties,
+  optionalProperties: serializeProperties,
+  enum: serializeString,
+  type: serializeType,
+  ref: serializeRef,
+}
+
+interface SerializeCxt {
+  readonly gen: CodeGen
+  readonly self: Ajv // current Ajv instance
+  readonly schemaEnv: SchemaEnv
+  readonly definitions: SchemaObjectMap
+  schema: SchemaObject
+  data: Code
+}
+
+export default function compileSerializer(
+  this: Ajv,
+  sch: SchemaEnv,
+  definitions: SchemaObjectMap
+): SchemaEnv {
+  const _sch = getCompilingSchema.call(this, sch)
+  if (_sch) return _sch
+  const {es5, lines} = this.opts.code
+  const {ownProperties} = this.opts
+  const gen = new CodeGen(this.scope, {es5, lines, ownProperties})
+  const serializeName = gen.scopeName("serialize")
+  const cxt: SerializeCxt = {
+    self: this,
+    gen,
+    schema: sch.schema as SchemaObject,
+    schemaEnv: sch,
+    definitions,
+    data: N.data,
+  }
+
+  let sourceCode: string | undefined
+  try {
+    this._compilations.add(sch)
+    sch.serializeName = serializeName
+    gen.func(serializeName, N.data, false, () => {
+      gen.let(N.json, str``)
+      serializeCode(cxt)
+      gen.return(N.json)
+    })
+    gen.optimize(this.opts.code.optimize)
+    const serializeFuncCode = gen.toString()
+    sourceCode = `${gen.scopeRefs(N.scope)}return ${serializeFuncCode}`
+    const makeSerialize = new Function(`${N.scope}`, sourceCode)
+    const serialize: (data: unknown) => string = makeSerialize(this.scope.get())
+    this.scope.value(serializeName, {ref: serialize})
+    sch.serialize = serialize
+  } catch (e) {
+    if (sourceCode) this.logger.error("Error compiling serializer, function code:", sourceCode)
+    delete sch.serialize
+    delete sch.serializeName
+    throw e
+  } finally {
+    this._compilations.delete(sch)
+  }
+  return sch
+}
+
+function serializeCode(cxt: SerializeCxt): void {
+  let form: JTDForm | undefined
+  for (const key of jtdForms) {
+    if (key in cxt.schema) {
+      form = key
+      break
+    }
+  }
+  serializeNullable(cxt, form ? genSerialize[form] : serializeEmpty)
+}
+
+function serializeNullable(cxt: SerializeCxt, serializeForm: (_cxt: SerializeCxt) => void): void {
+  const {gen, schema, data} = cxt
+  if (!schema.nullable) return serializeForm(cxt)
+  gen.if(
+    _`${data} === undefined || ${data} === null`,
+    () => gen.add(N.json, _`"null"`),
+    () => serializeForm(cxt)
+  )
+}
+
+function serializeElements(cxt: SerializeCxt): void {
+  const {gen, schema, data} = cxt
+  gen.add(N.json, str`[`)
+  const first = gen.let("first", true)
+  gen.forOf("el", data, (el) => {
+    addComma(cxt, first)
+    serializeCode({...cxt, schema: schema.elements, data: el})
+  })
+  gen.add(N.json, str`]`)
+}
+
+function serializeValues(cxt: SerializeCxt): void {
+  const {gen, schema, data} = cxt
+  gen.add(N.json, str`{`)
+  const first = gen.let("first", true)
+  gen.forIn("key", data, (key) => serializeKeyValue(cxt, key, schema.values, first))
+  gen.add(N.json, str`}`)
+}
+
+function serializeKeyValue(cxt: SerializeCxt, key: Name, schema: SchemaObject, first: Name): void {
+  const {gen, data} = cxt
+  addComma(cxt, first)
+  serializeString({...cxt, data: key})
+  gen.add(N.json, str`:`)
+  const value = gen.const("value", _`${data}${getProperty(key)}`)
+  serializeCode({...cxt, schema, data: value})
+}
+
+function serializeDiscriminator(cxt: SerializeCxt): void {
+  const {gen, schema, data} = cxt
+  const {discriminator} = schema
+  gen.add(N.json, str`{${JSON.stringify(discriminator)}:`)
+  const tag = gen.const("tag", _`${data}${getProperty(discriminator)}`)
+  serializeString({...cxt, data: tag})
+  gen.if(false)
+  for (const tagValue in schema.mapping) {
+    gen.elseIf(_`${tag} === ${tagValue}`)
+    const sch = schema.mapping[tagValue]
+    serializeSchemaProperties({...cxt, schema: sch}, discriminator)
+  }
+  gen.endIf()
+  gen.add(N.json, str`}`)
+}
+
+function serializeProperties(cxt: SerializeCxt): void {
+  const {gen} = cxt
+  gen.add(N.json, str`{`)
+  serializeSchemaProperties(cxt)
+  gen.add(N.json, str`}`)
+}
+
+function serializeSchemaProperties(cxt: SerializeCxt, discriminator?: string): void {
+  const {gen, schema, data} = cxt
+  const {properties, optionalProperties} = schema
+  const props = keys(properties)
+  const optProps = keys(optionalProperties)
+  const allProps = allProperties(props.concat(optProps))
+  let first = !discriminator
+  for (const key of props) {
+    serializeProperty(key, properties[key], keyValue(key))
+  }
+  for (const key of optProps) {
+    const value = keyValue(key)
+    gen.if(and(_`${value} !== undefined`, isOwnProperty(gen, data, key)), () =>
+      serializeProperty(key, optionalProperties[key], value)
+    )
+  }
+  if (schema.additionalProperties) {
+    gen.forIn("key", data, (key) =>
+      gen.if(isAdditional(key, allProps), () =>
+        serializeKeyValue(cxt, key, {}, gen.let("first", first))
+      )
+    )
+  }
+
+  function keys(ps?: SchemaObjectMap): string[] {
+    return ps ? Object.keys(ps) : []
+  }
+
+  function allProperties(ps: string[]): string[] {
+    if (discriminator) ps.push(discriminator)
+    if (new Set(ps).size !== ps.length) {
+      throw new Error("JTD: properties/optionalProperties/disciminator overlap")
+    }
+    return ps
+  }
+
+  function keyValue(key: string): Name {
+    return gen.const("value", _`${data}${getProperty(key)}`)
+  }
+
+  function serializeProperty(key: string, propSchema: SchemaObject, value: Name): void {
+    if (first) first = false
+    else gen.add(N.json, str`,`)
+    gen.add(N.json, str`${JSON.stringify(key)}:`)
+    serializeCode({...cxt, schema: propSchema, data: value})
+  }
+
+  function isAdditional(key: Name, ps: string[]): Code | true {
+    return ps.length ? and(...ps.map((p) => _`${key} !== ${p}`)) : true
+  }
+}
+
+function serializeType(cxt: SerializeCxt): void {
+  const {gen, schema, data} = cxt
+  switch (schema.type) {
+    case "boolean":
+      gen.add(N.json, _`${data} ? "true" : "false"`)
+      break
+    case "string":
+      serializeString(cxt)
+      break
+    case "timestamp":
+      gen.if(
+        _`${data} instanceof Date`,
+        () => gen.add(N.json, _`'"' + ${data}.toISOString() + '"'`),
+        () => serializeString(cxt)
+      )
+      break
+    default:
+      serializeNumber(cxt)
+  }
+}
+
+function serializeString({gen, data}: SerializeCxt): void {
+  gen.add(N.json, _`${useFunc(gen, quote)}(${data})`)
+}
+
+function serializeNumber({gen, data}: SerializeCxt): void {
+  gen.add(N.json, _`"" + ${data}`)
+}
+
+function serializeRef(cxt: SerializeCxt): void {
+  const {gen, self, data, definitions, schema, schemaEnv} = cxt
+  const {ref} = schema
+  const refSchema = definitions[ref]
+  if (!refSchema) throw new MissingRefError("", ref, `No definition ${ref}`)
+  if (!hasRef(refSchema)) return serializeCode({...cxt, schema: refSchema})
+  const {root} = schemaEnv
+  const sch = compileSerializer.call(self, new SchemaEnv({schema: refSchema, root}), definitions)
+  gen.add(N.json, _`${getSerialize(gen, sch)}(${data})`)
+}
+
+function getSerialize(gen: CodeGen, sch: SchemaEnv): Code {
+  return sch.serialize
+    ? gen.scopeValue("serialize", {ref: sch.serialize})
+    : _`${gen.scopeValue("wrapper", {ref: sch})}.serialize`
+}
+
+function serializeEmpty({gen, data}: SerializeCxt): void {
+  gen.add(N.json, _`JSON.stringify(${data})`)
+}
+
+function addComma({gen}: SerializeCxt, first: Name): void {
+  gen.if(
+    first,
+    () => gen.assign(first, false),
+    () => gen.add(N.json, str`,`)
+  )
+}
diff --git a/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/jtd/types.ts b/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/jtd/types.ts
new file mode 100644
index 00000000..7f361957
--- /dev/null
+++ b/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/jtd/types.ts
@@ -0,0 +1,16 @@
+import type {SchemaObject} from "../../types"
+
+export type SchemaObjectMap = {[Ref in string]?: SchemaObject}
+
+export const jtdForms = [
+  "elements",
+  "values",
+  "discriminator",
+  "properties",
+  "optionalProperties",
+  "enum",
+  "type",
+  "ref",
+] as const
+
+export type JTDForm = typeof jtdForms[number]
-- 
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