const ajv = new Ajv({processCode: transpileFunc})
const validate = ajv.compile(schema) // transpiled es7 async function
validate(data).then(successFunc).catch(errorFunc)

const ajv = new Ajv({loadSchema: loadSchema})

ajv.compileAsync(schema).then(function (validate) {
  const valid = validate(data)
  // ...
})

async function loadSchema(uri) {
  const res = await request.json(uri)
  if (res.statusCode >= 400) throw new Error("Loading error: " + res.statusCode)
  return res.body
}

const fs = require("fs")
const path = require("path")
const Ajv = require("ajv")
const standaloneCode = require("ajv/dist/standalone").default

const schema = {
  $id: "https://example.com/bar.json",
  $schema: "http://json-schema.org/draft-07/schema#",
  type: "object",
  properties: {
    bar: {type: "string"},
  },
  "required": ["bar"]
}

// The generated code will have a default export:
// `module.exports = <validateFunctionCode>;module.exports.default = <validateFunctionCode>;`
const ajv = new Ajv({code: {source: true}})
const validate = ajv.compile(schema)
let moduleCode = standaloneCode(ajv, validate)

// Now you can write the module code to file
fs.writeFileSync(path.join(__dirname, "../consume/validate-cjs.js"), moduleCode)

const ajv = new Ajv({ allErrors: true })
const validate = ajv.compile(schema.valueOf())
let user = {}
let valid = validate(user)
console.log({ valid }) //=> {valid: false}
console.log(validate.errors) //=> {valid: false}

ajv.addKeyword({
  keyword: "constant",
  validate: (schema, data) =>
    typeof schema == "object" && schema !== null ? deepEqual(schema, data) : schema === data,
  errors: false,
})

const schema = {
  constant: 2,
}
const validate = ajv.compile(schema)
console.log(validate(2)) // true
console.log(validate(3)) // false

const schema = {
  constant: {foo: "bar"},
}
const validate = ajv.compile(schema)
console.log(validate({foo: "bar"})) // true
console.log(validate({foo: "baz"})) // false