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Editing: instanceof.js

'use strict';

var CONSTRUCTORS = {
  Object: Object,
  Array: Array,
  Function: Function,
  Number: Number,
  String: String,
  Date: Date,
  RegExp: RegExp
};

module.exports = function defFunc(ajv) {
  /* istanbul ignore else */
  if (typeof Buffer != 'undefined')
    CONSTRUCTORS.Buffer = Buffer;

/* istanbul ignore else */
  if (typeof Promise != 'undefined')
    CONSTRUCTORS.Promise = Promise;

defFunc.definition = {
    compile: function (schema) {
      if (typeof schema == 'string') {
        var Constructor = getConstructor(schema);
        return function (data) {
          return data instanceof Constructor;
        };
      }

ajv.addKeyword('instanceof', defFunc.definition);
  return ajv;

function getConstructor(c) {
    var Constructor = CONSTRUCTORS[c];
    if (Constructor) return Constructor;
    throw new Error('invalid "instanceof" keyword value ' + c);
  }
};

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