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'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;
defFunc.definition = {
compile: function (schema) {
if (typeof schema == 'string') {
var Constructor = getConstructor(schema);
return function (data) {
return data instanceof Constructor;
};
}
var constructors = schema.map(getConstructor);
return function (data) {
for (var i=0; i<constructors.length; i++)
if (data instanceof constructors[i]) return true;
return false;
};
},
CONSTRUCTORS: CONSTRUCTORS,
metaSchema: {
anyOf: [
{ type: 'string' },
{
type: 'array',
items: { type: 'string' }
}
]
}
};
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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