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1373 lines
36 KiB
1373 lines
36 KiB
3 years ago
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'use strict'
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/* eslint no-prototype-builtins: 0 */
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const Ajv = require('ajv')
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const merge = require('deepmerge')
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const clone = require('rfdc')({ proto: true })
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const fjsCloned = Symbol('fast-json-stringify.cloned')
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const validate = require('./schema-validator')
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let stringSimilarity = null
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let isLong
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try {
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isLong = require('long').isLong
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} catch (e) {
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isLong = null
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}
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const addComma = `
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if (addComma) {
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json += ','
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} else {
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addComma = true
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}
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`
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function isValidSchema (schema, name) {
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if (!validate(schema)) {
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if (name) {
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name = `"${name}" `
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} else {
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name = ''
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}
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const first = validate.errors[0]
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const err = new Error(`${name}schema is invalid: data${first.dataPath} ${first.message}`)
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err.errors = isValidSchema.errors
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throw err
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}
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}
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function mergeLocation (source, dest) {
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return {
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schema: dest.schema || source.schema,
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root: dest.root || source.root,
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externalSchema: dest.externalSchema || source.externalSchema
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}
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}
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const arrayItemsReferenceSerializersMap = new Map()
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const objectReferenceSerializersMap = new Map()
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function build (schema, options) {
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arrayItemsReferenceSerializersMap.clear()
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objectReferenceSerializersMap.clear()
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options = options || {}
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isValidSchema(schema)
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if (options.schema) {
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// eslint-disable-next-line
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for (var key of Object.keys(options.schema)) {
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isValidSchema(options.schema[key], key)
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}
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}
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let intParseFunctionName = 'trunc'
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if (options.rounding) {
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if (['floor', 'ceil', 'round'].includes(options.rounding)) {
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intParseFunctionName = options.rounding
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} else {
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throw new Error(`Unsupported integer rounding method ${options.rounding}`)
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}
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}
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/* eslint no-new-func: "off" */
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let code = `
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'use strict'
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`
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code += `
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${asFunctions}
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var isLong = ${isLong ? isLong.toString() : false}
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function parseInteger(int) { return Math.${intParseFunctionName}(int) }
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`
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let location = {
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schema,
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root: schema,
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externalSchema: options.schema
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}
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if (schema.$ref) {
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location = refFinder(schema.$ref, location)
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schema = location.schema
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}
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if (schema.type === undefined) {
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schema.type = inferTypeByKeyword(schema)
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}
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let main
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switch (schema.type) {
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case 'object':
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main = '$main'
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code = buildObject(location, code, main)
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break
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case 'string':
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main = schema.nullable ? '$asStringNullable' : getStringSerializer(schema.format)
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break
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case 'integer':
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main = schema.nullable ? '$asIntegerNullable' : '$asInteger'
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break
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case 'number':
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main = schema.nullable ? '$asNumberNullable' : '$asNumber'
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break
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case 'boolean':
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main = schema.nullable ? '$asBooleanNullable' : '$asBoolean'
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break
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case 'null':
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main = '$asNull'
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break
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case 'array':
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main = '$main'
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code = buildArray(location, code, main)
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schema = location.schema
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break
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case undefined:
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main = '$asAny'
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break
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default:
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throw new Error(`${schema.type} unsupported`)
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}
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code += `
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;
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return ${main}
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`
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const dependencies = [new Ajv(options.ajv)]
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const dependenciesName = ['ajv']
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dependenciesName.push(code)
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if (options.debugMode) {
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dependenciesName.toString = function () {
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return dependenciesName.join('\n')
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}
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return dependenciesName
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}
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arrayItemsReferenceSerializersMap.clear()
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objectReferenceSerializersMap.clear()
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return (Function.apply(null, dependenciesName).apply(null, dependencies))
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}
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const objectKeywords = [
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'maxProperties',
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'minProperties',
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'required',
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'properties',
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'patternProperties',
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'additionalProperties',
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'dependencies'
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]
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const arrayKeywords = [
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'items',
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'additionalItems',
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'maxItems',
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'minItems',
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'uniqueItems',
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'contains'
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]
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const stringKeywords = [
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'maxLength',
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'minLength',
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'pattern'
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]
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const numberKeywords = [
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'multipleOf',
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'maximum',
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'exclusiveMaximum',
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'minimum',
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'exclusiveMinimum'
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]
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/**
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* Infer type based on keyword in order to generate optimized code
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* https://json-schema.org/latest/json-schema-validation.html#rfc.section.6
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*/
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function inferTypeByKeyword (schema) {
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// eslint-disable-next-line
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for (var keyword of objectKeywords) {
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if (keyword in schema) return 'object'
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}
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// eslint-disable-next-line
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for (var keyword of arrayKeywords) {
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if (keyword in schema) return 'array'
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}
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// eslint-disable-next-line
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for (var keyword of stringKeywords) {
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if (keyword in schema) return 'string'
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}
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// eslint-disable-next-line
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for (var keyword of numberKeywords) {
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if (keyword in schema) return 'number'
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}
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return schema.type
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}
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const stringSerializerMap = {
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'date-time': '$asDatetime',
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date: '$asDate',
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time: '$asTime'
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}
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function getStringSerializer (format) {
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return stringSerializerMap[format] ||
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'$asString'
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}
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function getTestSerializer (format) {
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return stringSerializerMap[format]
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}
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const asFunctions = `
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function $pad2Zeros (num) {
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const s = '00' + num
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return s[s.length - 2] + s[s.length - 1]
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}
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function $asAny (i) {
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return JSON.stringify(i)
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}
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function $asNull () {
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return 'null'
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}
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function $asInteger (i) {
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if (isLong && isLong(i)) {
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return i.toString()
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} else if (typeof i === 'bigint') {
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return i.toString()
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} else if (Number.isInteger(i)) {
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return $asNumber(i)
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} else {
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/* eslint no-undef: "off" */
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return $asNumber(parseInteger(i))
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}
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}
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function $asIntegerNullable (i) {
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return i === null ? null : $asInteger(i)
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}
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function $asNumber (i) {
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const num = Number(i)
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if (isNaN(num)) {
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return 'null'
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} else {
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return '' + num
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}
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}
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function $asNumberNullable (i) {
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return i === null ? null : $asNumber(i)
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}
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function $asBoolean (bool) {
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return bool && 'true' || 'false' // eslint-disable-line
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}
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function $asBooleanNullable (bool) {
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return bool === null ? null : $asBoolean(bool)
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}
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function $asDatetime (date, skipQuotes) {
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const quotes = skipQuotes === true ? '' : '"'
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if (date instanceof Date) {
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return quotes + date.toISOString() + quotes
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} else if (date && typeof date.toISOString === 'function') {
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return quotes + date.toISOString() + quotes
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} else {
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return $asString(date, skipQuotes)
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}
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}
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function $asDate (date, skipQuotes) {
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const quotes = skipQuotes === true ? '' : '"'
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if (date instanceof Date) {
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return quotes + new Date(date.getTime() - (date.getTimezoneOffset() * 60000 )).toISOString().slice(0, 10) + quotes
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} else if (date && typeof date.format === 'function') {
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return quotes + date.format('YYYY-MM-DD') + quotes
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} else {
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return $asString(date, skipQuotes)
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}
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}
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function $asTime (date, skipQuotes) {
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const quotes = skipQuotes === true ? '' : '"'
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if (date instanceof Date) {
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const hour = new Intl.DateTimeFormat('en', { hour: 'numeric', hour12: false }).format(date)
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const minute = new Intl.DateTimeFormat('en', { minute: 'numeric' }).format(date)
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const second = new Intl.DateTimeFormat('en', { second: 'numeric' }).format(date)
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return quotes + $pad2Zeros(hour) + ':' + $pad2Zeros(minute) + ':' + $pad2Zeros(second) + quotes
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} else if (date && typeof date.format === 'function') {
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return quotes + date.format('HH:mm:ss') + quotes
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} else {
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return $asString(date, skipQuotes)
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}
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}
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function $asString (str, skipQuotes) {
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const quotes = skipQuotes === true ? '' : '"'
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if (str instanceof Date) {
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return quotes + str.toISOString() + quotes
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} else if (str === null) {
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return quotes + quotes
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} else if (str instanceof RegExp) {
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str = str.source
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} else if (typeof str !== 'string') {
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str = str.toString()
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}
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// If we skipQuotes it means that we are using it as test
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// no need to test the string length for the render
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if (skipQuotes) {
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return str
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}
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if (str.length < 42) {
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return $asStringSmall(str)
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} else {
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return JSON.stringify(str)
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}
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}
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function $asStringNullable (str) {
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return str === null ? null : $asString(str)
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}
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// magically escape strings for json
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// relying on their charCodeAt
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// everything below 32 needs JSON.stringify()
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// every string that contain surrogate needs JSON.stringify()
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// 34 and 92 happens all the time, so we
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// have a fast case for them
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function $asStringSmall (str) {
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const l = str.length
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let result = ''
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let last = 0
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let found = false
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let surrogateFound = false
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let point = 255
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// eslint-disable-next-line
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for (var i = 0; i < l && point >= 32; i++) {
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point = str.charCodeAt(i)
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if (point >= 0xD800 && point <= 0xDFFF) {
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// The current character is a surrogate.
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surrogateFound = true
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}
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if (point === 34 || point === 92) {
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result += str.slice(last, i) + '\\\\'
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last = i
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found = true
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}
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}
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if (!found) {
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result = str
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} else {
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result += str.slice(last)
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}
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return ((point < 32) || (surrogateFound === true)) ? JSON.stringify(str) : '"' + result + '"'
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}
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`
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function addPatternProperties (location) {
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const schema = location.schema
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const pp = schema.patternProperties
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let code = `
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var properties = ${JSON.stringify(schema.properties)} || {}
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||
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var keys = Object.keys(obj)
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for (var i = 0; i < keys.length; i++) {
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||
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if (properties[keys[i]]) continue
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|
`
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Object.keys(pp).forEach((regex, index) => {
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let ppLocation = mergeLocation(location, { schema: pp[regex] })
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if (pp[regex].$ref) {
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ppLocation = refFinder(pp[regex].$ref, location)
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||
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pp[regex] = ppLocation.schema
|
||
|
}
|
||
|
const type = pp[regex].type
|
||
|
const format = pp[regex].format
|
||
|
const stringSerializer = getStringSerializer(format)
|
||
|
try {
|
||
|
RegExp(regex)
|
||
|
} catch (err) {
|
||
|
throw new Error(`${err.message}. Found at ${regex} matching ${JSON.stringify(pp[regex])}`)
|
||
|
}
|
||
|
|
||
|
const ifPpKeyExists = `if (/${regex.replace(/\\*\//g, '\\/')}/.test(keys[i])) {`
|
||
|
|
||
|
if (type === 'object') {
|
||
|
code += `${buildObject(ppLocation, '', 'buildObjectPP' + index)}
|
||
|
${ifPpKeyExists}
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + buildObjectPP${index}(obj[keys[i]])
|
||
|
`
|
||
|
} else if (type === 'array') {
|
||
|
code += `${buildArray(ppLocation, '', 'buildArrayPP' + index)}
|
||
|
${ifPpKeyExists}
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + buildArrayPP${index}(obj[keys[i]])
|
||
|
`
|
||
|
} else if (type === 'null') {
|
||
|
code += `
|
||
|
${ifPpKeyExists}
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) +':null'
|
||
|
`
|
||
|
} else if (type === 'string') {
|
||
|
code += `
|
||
|
${ifPpKeyExists}
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + ${stringSerializer}(obj[keys[i]])
|
||
|
`
|
||
|
} else if (type === 'integer') {
|
||
|
code += `
|
||
|
${ifPpKeyExists}
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + $asInteger(obj[keys[i]])
|
||
|
`
|
||
|
} else if (type === 'number') {
|
||
|
code += `
|
||
|
${ifPpKeyExists}
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + $asNumber(obj[keys[i]])
|
||
|
`
|
||
|
} else if (type === 'boolean') {
|
||
|
code += `
|
||
|
${ifPpKeyExists}
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + $asBoolean(obj[keys[i]])
|
||
|
`
|
||
|
} else if (type === undefined) {
|
||
|
code += `
|
||
|
${ifPpKeyExists}
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + $asAny(obj[keys[i]])
|
||
|
`
|
||
|
} else {
|
||
|
code += `
|
||
|
${ifPpKeyExists}
|
||
|
throw new Error('Cannot coerce ' + obj[keys[i]] + ' to ' + ${JSON.stringify(type)})
|
||
|
`
|
||
|
}
|
||
|
|
||
|
code += `
|
||
|
continue
|
||
|
}
|
||
|
`
|
||
|
})
|
||
|
if (schema.additionalProperties) {
|
||
|
code += additionalProperty(location)
|
||
|
}
|
||
|
|
||
|
code += `
|
||
|
}
|
||
|
`
|
||
|
return code
|
||
|
}
|
||
|
|
||
|
function additionalProperty (location) {
|
||
|
let ap = location.schema.additionalProperties
|
||
|
let code = ''
|
||
|
if (ap === true) {
|
||
|
return `
|
||
|
if (obj[keys[i]] !== undefined && typeof obj[keys[i]] !== 'function' && typeof obj[keys[i]] !== 'symbol') {
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + JSON.stringify(obj[keys[i]])
|
||
|
}
|
||
|
`
|
||
|
}
|
||
|
let apLocation = mergeLocation(location, { schema: ap })
|
||
|
if (ap.$ref) {
|
||
|
apLocation = refFinder(ap.$ref, location)
|
||
|
ap = apLocation.schema
|
||
|
}
|
||
|
|
||
|
const type = ap.type
|
||
|
const format = ap.format
|
||
|
const stringSerializer = getStringSerializer(format)
|
||
|
if (type === 'object') {
|
||
|
code += `${buildObject(apLocation, '', 'buildObjectAP')}
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + buildObjectAP(obj[keys[i]])
|
||
|
`
|
||
|
} else if (type === 'array') {
|
||
|
code += `${buildArray(apLocation, '', 'buildArrayAP')}
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + buildArrayAP(obj[keys[i]])
|
||
|
`
|
||
|
} else if (type === 'null') {
|
||
|
code += `
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) +':null'
|
||
|
`
|
||
|
} else if (type === 'string') {
|
||
|
code += `
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + ${stringSerializer}(obj[keys[i]])
|
||
|
`
|
||
|
} else if (type === 'integer') {
|
||
|
code += `
|
||
|
var t = Number(obj[keys[i]])
|
||
|
`
|
||
|
if (isLong) {
|
||
|
code += `
|
||
|
if (isLong(obj[keys[i]]) || !isNaN(t)) {
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + $asInteger(obj[keys[i]])
|
||
|
}
|
||
|
`
|
||
|
} else {
|
||
|
code += `
|
||
|
if (!isNaN(t)) {
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + t
|
||
|
}
|
||
|
`
|
||
|
}
|
||
|
} else if (type === 'number') {
|
||
|
code += `
|
||
|
var t = Number(obj[keys[i]])
|
||
|
if (!isNaN(t)) {
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + t
|
||
|
}
|
||
|
`
|
||
|
} else if (type === 'boolean') {
|
||
|
code += `
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + $asBoolean(obj[keys[i]])
|
||
|
`
|
||
|
} else if (type === undefined) {
|
||
|
code += `
|
||
|
${addComma}
|
||
|
json += $asString(keys[i]) + ':' + $asAny(obj[keys[i]])
|
||
|
`
|
||
|
} else {
|
||
|
code += `
|
||
|
throw new Error('Cannot coerce ' + obj[keys[i]] + ' to ' + ${JSON.stringify(type)})
|
||
|
`
|
||
|
}
|
||
|
return code
|
||
|
}
|
||
|
|
||
|
function addAdditionalProperties (location) {
|
||
|
return `
|
||
|
var properties = ${JSON.stringify(location.schema.properties)} || {}
|
||
|
var keys = Object.keys(obj)
|
||
|
for (var i = 0; i < keys.length; i++) {
|
||
|
if (properties[keys[i]]) continue
|
||
|
${additionalProperty(location)}
|
||
|
}
|
||
|
`
|
||
|
}
|
||
|
|
||
|
function idFinder (schema, searchedId) {
|
||
|
let objSchema
|
||
|
const explore = (schema, searchedId) => {
|
||
|
Object.keys(schema || {}).forEach((key, i, a) => {
|
||
|
if (key === '$id' && schema[key] === searchedId) {
|
||
|
objSchema = schema
|
||
|
} else if (objSchema === undefined && typeof schema[key] === 'object') {
|
||
|
explore(schema[key], searchedId)
|
||
|
}
|
||
|
})
|
||
|
}
|
||
|
explore(schema, searchedId)
|
||
|
return objSchema
|
||
|
}
|
||
|
|
||
|
function refFinder (ref, location) {
|
||
|
const externalSchema = location.externalSchema
|
||
|
let root = location.root
|
||
|
let schema = location.schema
|
||
|
|
||
|
if (externalSchema && externalSchema[ref]) {
|
||
|
return {
|
||
|
schema: externalSchema[ref],
|
||
|
root: externalSchema[ref],
|
||
|
externalSchema: externalSchema
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Split file from walk
|
||
|
ref = ref.split('#')
|
||
|
|
||
|
// If external file
|
||
|
if (ref[0]) {
|
||
|
schema = externalSchema[ref[0]]
|
||
|
root = externalSchema[ref[0]]
|
||
|
|
||
|
if (schema === undefined) {
|
||
|
findBadKey(externalSchema, [ref[0]])
|
||
|
}
|
||
|
|
||
|
if (schema.$ref) {
|
||
|
return refFinder(schema.$ref, {
|
||
|
schema: schema,
|
||
|
root: root,
|
||
|
externalSchema: externalSchema
|
||
|
})
|
||
|
}
|
||
|
}
|
||
|
|
||
|
let code = 'return schema'
|
||
|
// If it has a path
|
||
|
if (ref[1]) {
|
||
|
// ref[1] could contain a JSON pointer - ex: /definitions/num
|
||
|
// or plain name fragment id without suffix # - ex: customId
|
||
|
const walk = ref[1].split('/')
|
||
|
if (walk.length === 1) {
|
||
|
const targetId = `#${ref[1]}`
|
||
|
let dereferenced = idFinder(schema, targetId)
|
||
|
if (dereferenced === undefined && !ref[0]) {
|
||
|
// eslint-disable-next-line
|
||
|
for (var key of Object.keys(externalSchema)) {
|
||
|
dereferenced = idFinder(externalSchema[key], targetId)
|
||
|
if (dereferenced !== undefined) {
|
||
|
root = externalSchema[key]
|
||
|
break
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return {
|
||
|
schema: dereferenced,
|
||
|
root: root,
|
||
|
externalSchema: externalSchema
|
||
|
}
|
||
|
} else {
|
||
|
// eslint-disable-next-line
|
||
|
for (var i = 1; i < walk.length; i++) {
|
||
|
code += `[${JSON.stringify(walk[i])}]`
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
let result
|
||
|
try {
|
||
|
result = (new Function('schema', code))(root)
|
||
|
} catch (err) {}
|
||
|
|
||
|
if (result === undefined && ref[1]) {
|
||
|
const walk = ref[1].split('/')
|
||
|
findBadKey(schema, walk.slice(1))
|
||
|
}
|
||
|
|
||
|
if (result.$ref) {
|
||
|
return refFinder(result.$ref, {
|
||
|
schema: schema,
|
||
|
root: root,
|
||
|
externalSchema: externalSchema
|
||
|
})
|
||
|
}
|
||
|
|
||
|
return {
|
||
|
schema: result,
|
||
|
root: root,
|
||
|
externalSchema: externalSchema
|
||
|
}
|
||
|
|
||
|
function findBadKey (obj, keys) {
|
||
|
if (keys.length === 0) return null
|
||
|
const key = keys.shift()
|
||
|
if (obj[key] === undefined) {
|
||
|
stringSimilarity = stringSimilarity || require('string-similarity')
|
||
|
const { bestMatch } = stringSimilarity.findBestMatch(key, Object.keys(obj))
|
||
|
if (bestMatch.rating >= 0.5) {
|
||
|
throw new Error(`Cannot find reference ${JSON.stringify(key)}, did you mean ${JSON.stringify(bestMatch.target)}?`)
|
||
|
} else {
|
||
|
throw new Error(`Cannot find reference ${JSON.stringify(key)}`)
|
||
|
}
|
||
|
}
|
||
|
return findBadKey(obj[key], keys)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
function buildCode (location, code, laterCode, name) {
|
||
|
if (location.schema.$ref) {
|
||
|
location = refFinder(location.schema.$ref, location)
|
||
|
}
|
||
|
|
||
|
const schema = location.schema
|
||
|
let required = schema.required
|
||
|
|
||
|
Object.keys(schema.properties || {}).forEach((key, i, a) => {
|
||
|
let propertyLocation = mergeLocation(location, { schema: schema.properties[key] })
|
||
|
if (schema.properties[key].$ref) {
|
||
|
propertyLocation = refFinder(schema.properties[key].$ref, location)
|
||
|
schema.properties[key] = propertyLocation.schema
|
||
|
}
|
||
|
|
||
|
// Using obj['key'] !== undefined instead of obj.hasOwnProperty(prop) for perf reasons,
|
||
|
// see https://github.com/mcollina/fast-json-stringify/pull/3 for discussion.
|
||
|
|
||
|
const type = schema.properties[key].type
|
||
|
const nullable = schema.properties[key].nullable
|
||
|
const sanitized = JSON.stringify(key)
|
||
|
const asString = JSON.stringify(sanitized)
|
||
|
|
||
|
if (nullable) {
|
||
|
code += `
|
||
|
if (obj[${sanitized}] === null) {
|
||
|
${addComma}
|
||
|
json += ${asString} + ':null'
|
||
|
var rendered = true
|
||
|
} else {
|
||
|
`
|
||
|
}
|
||
|
|
||
|
if (type === 'number') {
|
||
|
code += `
|
||
|
var t = Number(obj[${sanitized}])
|
||
|
if (!isNaN(t)) {
|
||
|
${addComma}
|
||
|
json += ${asString} + ':' + t
|
||
|
`
|
||
|
} else if (type === 'integer') {
|
||
|
code += `
|
||
|
var rendered = false
|
||
|
`
|
||
|
if (isLong) {
|
||
|
code += `
|
||
|
if (isLong(obj[${sanitized}])) {
|
||
|
${addComma}
|
||
|
json += ${asString} + ':' + obj[${sanitized}].toString()
|
||
|
rendered = true
|
||
|
} else {
|
||
|
var t = Number(obj[${sanitized}])
|
||
|
if (!isNaN(t)) {
|
||
|
${addComma}
|
||
|
json += ${asString} + ':' + t
|
||
|
rendered = true
|
||
|
}
|
||
|
}
|
||
|
`
|
||
|
} else {
|
||
|
code += `
|
||
|
var t = $asInteger(obj[${sanitized}])
|
||
|
if (!isNaN(t)) {
|
||
|
${addComma}
|
||
|
json += ${asString} + ':' + t
|
||
|
rendered = true
|
||
|
}
|
||
|
`
|
||
|
}
|
||
|
code += `
|
||
|
if (rendered) {
|
||
|
`
|
||
|
} else {
|
||
|
code += `
|
||
|
if (obj[${sanitized}] !== undefined) {
|
||
|
${addComma}
|
||
|
json += ${asString} + ':'
|
||
|
`
|
||
|
|
||
|
const result = nested(laterCode, name, key, mergeLocation(propertyLocation, { schema: schema.properties[key] }), undefined, false)
|
||
|
code += result.code
|
||
|
laterCode = result.laterCode
|
||
|
}
|
||
|
|
||
|
const defaultValue = schema.properties[key].default
|
||
|
if (defaultValue !== undefined) {
|
||
|
required = filterRequired(required, key)
|
||
|
code += `
|
||
|
} else {
|
||
|
${addComma}
|
||
|
json += ${asString} + ':' + ${JSON.stringify(JSON.stringify(defaultValue))}
|
||
|
`
|
||
|
} else if (required && required.indexOf(key) !== -1) {
|
||
|
required = filterRequired(required, key)
|
||
|
code += `
|
||
|
} else {
|
||
|
throw new Error('${sanitized} is required!')
|
||
|
`
|
||
|
}
|
||
|
|
||
|
code += `
|
||
|
}
|
||
|
`
|
||
|
|
||
|
if (nullable) {
|
||
|
code += `
|
||
|
}
|
||
|
`
|
||
|
}
|
||
|
})
|
||
|
|
||
|
if (required && required.length > 0) {
|
||
|
code += 'var required = ['
|
||
|
// eslint-disable-next-line
|
||
|
for (var i = 0; i < required.length; i++) {
|
||
|
if (i > 0) {
|
||
|
code += ','
|
||
|
}
|
||
|
code += `${JSON.stringify(required[i])}`
|
||
|
}
|
||
|
code += `]
|
||
|
for (var i = 0; i < required.length; i++) {
|
||
|
if (obj[required[i]] === undefined) throw new Error('"' + required[i] + '" is required!')
|
||
|
}
|
||
|
`
|
||
|
}
|
||
|
|
||
|
if (schema.allOf) {
|
||
|
const builtCode = buildCodeWithAllOfs(location, code, laterCode, name)
|
||
|
code = builtCode.code
|
||
|
laterCode = builtCode.laterCode
|
||
|
}
|
||
|
|
||
|
return { code: code, laterCode: laterCode }
|
||
|
}
|
||
|
|
||
|
function filterRequired (required, key) {
|
||
|
if (!required) {
|
||
|
return required
|
||
|
}
|
||
|
return required.filter(k => k !== key)
|
||
|
}
|
||
|
|
||
|
function buildCodeWithAllOfs (location, code, laterCode, name) {
|
||
|
if (location.schema.allOf) {
|
||
|
location.schema.allOf.forEach((ss) => {
|
||
|
const builtCode = buildCodeWithAllOfs(mergeLocation(location, { schema: ss }), code, laterCode, name)
|
||
|
code = builtCode.code
|
||
|
laterCode = builtCode.laterCode
|
||
|
})
|
||
|
} else {
|
||
|
const builtCode = buildCode(location, code, laterCode, name)
|
||
|
|
||
|
code = builtCode.code
|
||
|
laterCode = builtCode.laterCode
|
||
|
}
|
||
|
|
||
|
return { code: code, laterCode: laterCode }
|
||
|
}
|
||
|
|
||
|
function buildInnerObject (location, name) {
|
||
|
const schema = location.schema
|
||
|
const result = buildCodeWithAllOfs(location, '', '', name)
|
||
|
if (schema.patternProperties) {
|
||
|
result.code += addPatternProperties(location)
|
||
|
} else if (schema.additionalProperties && !schema.patternProperties) {
|
||
|
result.code += addAdditionalProperties(location)
|
||
|
}
|
||
|
return result
|
||
|
}
|
||
|
|
||
|
function addIfThenElse (location, name) {
|
||
|
let code = ''
|
||
|
let r
|
||
|
let laterCode = ''
|
||
|
let innerR
|
||
|
|
||
|
const schema = location.schema
|
||
|
const copy = merge({}, schema)
|
||
|
const i = copy.if
|
||
|
const then = copy.then
|
||
|
const e = copy.else ? copy.else : { additionalProperties: true }
|
||
|
delete copy.if
|
||
|
delete copy.then
|
||
|
delete copy.else
|
||
|
let merged = merge(copy, then)
|
||
|
let mergedLocation = mergeLocation(location, { schema: merged })
|
||
|
|
||
|
code += `
|
||
|
valid = ajv.validate(${JSON.stringify(i)}, obj)
|
||
|
if (valid) {
|
||
|
`
|
||
|
if (merged.if && merged.then) {
|
||
|
innerR = addIfThenElse(mergedLocation, name + 'Then')
|
||
|
code += innerR.code
|
||
|
laterCode = innerR.laterCode
|
||
|
}
|
||
|
|
||
|
r = buildInnerObject(mergedLocation, name + 'Then')
|
||
|
code += r.code
|
||
|
laterCode += r.laterCode
|
||
|
|
||
|
code += `
|
||
|
}
|
||
|
`
|
||
|
merged = merge(copy, e)
|
||
|
mergedLocation = mergeLocation(mergedLocation, { schema: merged })
|
||
|
|
||
|
code += `
|
||
|
else {
|
||
|
`
|
||
|
|
||
|
if (merged.if && merged.then) {
|
||
|
innerR = addIfThenElse(mergedLocation, name + 'Else')
|
||
|
code += innerR.code
|
||
|
laterCode += innerR.laterCode
|
||
|
}
|
||
|
|
||
|
r = buildInnerObject(mergedLocation, name + 'Else')
|
||
|
code += r.code
|
||
|
laterCode += r.laterCode
|
||
|
|
||
|
code += `
|
||
|
}
|
||
|
`
|
||
|
return { code: code, laterCode: laterCode }
|
||
|
}
|
||
|
|
||
|
function toJSON (variableName) {
|
||
|
return `(${variableName} && typeof ${variableName}.toJSON === 'function')
|
||
|
? ${variableName}.toJSON()
|
||
|
: ${variableName}
|
||
|
`
|
||
|
}
|
||
|
|
||
|
function buildObject (location, code, name) {
|
||
|
const schema = location.schema
|
||
|
|
||
|
code += `
|
||
|
function ${name} (input) {
|
||
|
`
|
||
|
if (schema.nullable) {
|
||
|
code += `
|
||
|
if(input === null) {
|
||
|
return 'null';
|
||
|
}
|
||
|
`
|
||
|
}
|
||
|
|
||
|
if (objectReferenceSerializersMap.has(schema)) {
|
||
|
code += `
|
||
|
return ${objectReferenceSerializersMap.get(schema)}(input)
|
||
|
}
|
||
|
`
|
||
|
return code
|
||
|
}
|
||
|
objectReferenceSerializersMap.set(schema, name)
|
||
|
|
||
|
code += `
|
||
|
var obj = ${toJSON('input')}
|
||
|
var json = '{'
|
||
|
var addComma = false
|
||
|
`
|
||
|
|
||
|
let r
|
||
|
if (schema.if && schema.then) {
|
||
|
code += `
|
||
|
var valid
|
||
|
`
|
||
|
r = addIfThenElse(location, name)
|
||
|
} else {
|
||
|
r = buildInnerObject(location, name)
|
||
|
}
|
||
|
|
||
|
// Removes the comma if is the last element of the string (in case there are not properties)
|
||
|
code += `${r.code}
|
||
|
json += '}'
|
||
|
return json
|
||
|
}
|
||
|
${r.laterCode}
|
||
|
`
|
||
|
|
||
|
return code
|
||
|
}
|
||
|
|
||
|
function buildArray (location, code, name, key = null) {
|
||
|
let schema = location.schema
|
||
|
code += `
|
||
|
function ${name} (obj) {
|
||
|
`
|
||
|
if (schema.nullable) {
|
||
|
code += `
|
||
|
if(obj === null) {
|
||
|
return 'null';
|
||
|
}
|
||
|
`
|
||
|
}
|
||
|
const laterCode = ''
|
||
|
|
||
|
// default to any items type
|
||
|
if (!schema.items) {
|
||
|
schema.items = {}
|
||
|
}
|
||
|
|
||
|
if (schema.items.$ref) {
|
||
|
if (!schema[fjsCloned]) {
|
||
|
location.schema = clone(location.schema)
|
||
|
schema = location.schema
|
||
|
schema[fjsCloned] = true
|
||
|
}
|
||
|
|
||
|
location = refFinder(schema.items.$ref, location)
|
||
|
schema.items = location.schema
|
||
|
|
||
|
if (arrayItemsReferenceSerializersMap.has(schema.items)) {
|
||
|
code += `
|
||
|
return ${arrayItemsReferenceSerializersMap.get(schema.items)}(obj)
|
||
|
}
|
||
|
`
|
||
|
return code
|
||
|
}
|
||
|
arrayItemsReferenceSerializersMap.set(schema.items, name)
|
||
|
}
|
||
|
|
||
|
let result = { code: '', laterCode: '' }
|
||
|
const accessor = '[i]'
|
||
|
if (Array.isArray(schema.items)) {
|
||
|
result = schema.items.reduce((res, item, i) => {
|
||
|
const tmpRes = nested(laterCode, name, accessor, mergeLocation(location, { schema: item }), i, true)
|
||
|
const condition = `i === ${i} && ${buildArrayTypeCondition(item.type, accessor)}`
|
||
|
return {
|
||
|
code: `${res.code}
|
||
|
${i > 0 ? 'else' : ''} if (${condition}) {
|
||
|
${tmpRes.code}
|
||
|
}`,
|
||
|
laterCode: `${res.laterCode}
|
||
|
${tmpRes.laterCode}`
|
||
|
}
|
||
|
}, result)
|
||
|
|
||
|
if (schema.additionalItems) {
|
||
|
const tmpRes = nested(laterCode, name, accessor, mergeLocation(location, { schema: schema.items }), undefined, true)
|
||
|
result.code += `
|
||
|
else if (i >= ${schema.items.length}) {
|
||
|
${tmpRes.code}
|
||
|
}
|
||
|
`
|
||
|
}
|
||
|
|
||
|
result.code += `
|
||
|
else {
|
||
|
throw new Error(\`Item at $\{i} does not match schema definition.\`)
|
||
|
}
|
||
|
`
|
||
|
} else {
|
||
|
result = nested(laterCode, name, accessor, mergeLocation(location, { schema: schema.items }), undefined, true)
|
||
|
}
|
||
|
|
||
|
if (key) {
|
||
|
code += `
|
||
|
if(!Array.isArray(obj)) {
|
||
|
throw new TypeError(\`Property '${key}' should be of type array, received '$\{obj}' instead.\`)
|
||
|
}
|
||
|
`
|
||
|
}
|
||
|
|
||
|
code += `
|
||
|
var l = obj.length
|
||
|
var jsonOutput= ''
|
||
|
for (var i = 0; i < l; i++) {
|
||
|
var json = ''
|
||
|
${result.code}
|
||
|
jsonOutput += json
|
||
|
|
||
|
if (json.length > 0 && i < l - 1) {
|
||
|
jsonOutput += ','
|
||
|
}
|
||
|
}
|
||
|
return \`[\${jsonOutput}]\`
|
||
|
}
|
||
|
${result.laterCode}
|
||
|
`
|
||
|
|
||
|
return code
|
||
|
}
|
||
|
|
||
|
function buildArrayTypeCondition (type, accessor) {
|
||
|
let condition
|
||
|
switch (type) {
|
||
|
case 'null':
|
||
|
condition = `obj${accessor} === null`
|
||
|
break
|
||
|
case 'string':
|
||
|
condition = `typeof obj${accessor} === 'string'`
|
||
|
break
|
||
|
case 'integer':
|
||
|
condition = `Number.isInteger(obj${accessor})`
|
||
|
break
|
||
|
case 'number':
|
||
|
condition = `Number.isFinite(obj${accessor})`
|
||
|
break
|
||
|
case 'boolean':
|
||
|
condition = `typeof obj${accessor} === 'boolean'`
|
||
|
break
|
||
|
case 'object':
|
||
|
condition = `obj${accessor} && typeof obj${accessor} === 'object' && obj${accessor}.constructor === Object`
|
||
|
break
|
||
|
case 'array':
|
||
|
condition = `Array.isArray(obj${accessor})`
|
||
|
break
|
||
|
default:
|
||
|
if (Array.isArray(type)) {
|
||
|
const conditions = type.map((subType) => {
|
||
|
return buildArrayTypeCondition(subType, accessor)
|
||
|
})
|
||
|
condition = `(${conditions.join(' || ')})`
|
||
|
} else {
|
||
|
throw new Error(`${type} unsupported`)
|
||
|
}
|
||
|
}
|
||
|
return condition
|
||
|
}
|
||
|
|
||
|
function dereferenceOfRefs (location, type) {
|
||
|
if (!location.schema[fjsCloned]) {
|
||
|
const schemaClone = clone(location.schema)
|
||
|
schemaClone[fjsCloned] = true
|
||
|
location.schema = schemaClone
|
||
|
}
|
||
|
|
||
|
const schema = location.schema
|
||
|
const locations = []
|
||
|
|
||
|
schema[type].forEach((s, index) => {
|
||
|
// follow the refs
|
||
|
let sLocation = mergeLocation(location, { schema: s })
|
||
|
while (s.$ref) {
|
||
|
sLocation = refFinder(s.$ref, sLocation)
|
||
|
schema[type][index] = sLocation.schema
|
||
|
s = schema[type][index]
|
||
|
}
|
||
|
locations[index] = sLocation
|
||
|
})
|
||
|
|
||
|
return locations
|
||
|
}
|
||
|
|
||
|
let strNameCounter = 0
|
||
|
function asFuncName (str) {
|
||
|
// only allow chars that can work
|
||
|
let rep = str.replace(/[^a-zA-Z0-9$_]/g, '')
|
||
|
|
||
|
if (rep.length === 0) {
|
||
|
return 'anan' + strNameCounter++
|
||
|
} else if (rep !== str) {
|
||
|
rep += strNameCounter++
|
||
|
}
|
||
|
|
||
|
return rep
|
||
|
}
|
||
|
|
||
|
function nested (laterCode, name, key, location, subKey, isArray) {
|
||
|
let code = ''
|
||
|
let funcName
|
||
|
|
||
|
subKey = subKey || ''
|
||
|
|
||
|
let schema = location.schema
|
||
|
|
||
|
if (schema.$ref) {
|
||
|
schema = refFinder(schema.$ref, location)
|
||
|
}
|
||
|
|
||
|
if (schema.type === undefined) {
|
||
|
const inferredType = inferTypeByKeyword(schema)
|
||
|
if (inferredType) {
|
||
|
schema.type = inferredType
|
||
|
}
|
||
|
}
|
||
|
|
||
|
const type = schema.type
|
||
|
const nullable = schema.nullable === true
|
||
|
|
||
|
const accessor = isArray ? key : `[${JSON.stringify(key)}]`
|
||
|
|
||
|
switch (type) {
|
||
|
case 'null':
|
||
|
code += `
|
||
|
json += $asNull()
|
||
|
`
|
||
|
break
|
||
|
case 'string': {
|
||
|
const stringSerializer = getStringSerializer(schema.format)
|
||
|
code += nullable ? `json += obj${accessor} === null ? null : ${stringSerializer}(obj${accessor})` : `json += ${stringSerializer}(obj${accessor})`
|
||
|
break
|
||
|
}
|
||
|
case 'integer':
|
||
|
code += nullable ? `json += obj${accessor} === null ? null : $asInteger(obj${accessor})` : `json += $asInteger(obj${accessor})`
|
||
|
break
|
||
|
case 'number':
|
||
|
code += nullable ? `json += obj${accessor} === null ? null : $asNumber(obj${accessor})` : `json += $asNumber(obj${accessor})`
|
||
|
break
|
||
|
case 'boolean':
|
||
|
code += nullable ? `json += obj${accessor} === null ? null : $asBoolean(obj${accessor})` : `json += $asBoolean(obj${accessor})`
|
||
|
break
|
||
|
case 'object':
|
||
|
funcName = asFuncName(name + key + subKey)
|
||
|
laterCode = buildObject(location, laterCode, funcName)
|
||
|
code += `
|
||
|
json += ${funcName}(obj${accessor})
|
||
|
`
|
||
|
break
|
||
|
case 'array':
|
||
|
funcName = asFuncName('$arr' + name + key + subKey) // eslint-disable-line
|
||
|
laterCode = buildArray(location, laterCode, funcName, key)
|
||
|
code += `
|
||
|
json += ${funcName}(obj${accessor})
|
||
|
`
|
||
|
break
|
||
|
case undefined:
|
||
|
if ('anyOf' in schema) {
|
||
|
// beware: dereferenceOfRefs has side effects and changes schema.anyOf
|
||
|
const anyOfLocations = dereferenceOfRefs(location, 'anyOf')
|
||
|
anyOfLocations.forEach((location, index) => {
|
||
|
const nestedResult = nested(laterCode, name, key, location, subKey !== '' ? subKey : 'i' + index, isArray)
|
||
|
// We need a test serializer as the String serializer will not work with
|
||
|
// date/time ajv validations
|
||
|
// see: https://github.com/fastify/fast-json-stringify/issues/325
|
||
|
const testSerializer = getTestSerializer(location.schema.format)
|
||
|
const testValue = testSerializer !== undefined ? `${testSerializer}(obj${accessor}, true)` : `obj${accessor}`
|
||
|
|
||
|
// Since we are only passing the relevant schema to ajv.validate, it needs to be full dereferenced
|
||
|
// otherwise any $ref pointing to an external schema would result in an error.
|
||
|
// Full dereference of the schema happens as side effect of two functions:
|
||
|
// 1. `dereferenceOfRefs` loops through the `schema.anyOf`` array and replaces any top level reference
|
||
|
// with the actual schema
|
||
|
// 2. `nested`, through `buildCode`, replaces any reference in object properties with the actual schema
|
||
|
// (see https://github.com/fastify/fast-json-stringify/blob/6da3b3e8ac24b1ca5578223adedb4083b7adf8db/index.js#L631)
|
||
|
code += `
|
||
|
${index === 0 ? 'if' : 'else if'}(ajv.validate(${JSON.stringify(location.schema)}, ${testValue}))
|
||
|
${nestedResult.code}
|
||
|
`
|
||
|
laterCode = nestedResult.laterCode
|
||
|
})
|
||
|
code += `
|
||
|
else json+= null
|
||
|
`
|
||
|
} else if ('oneOf' in schema) {
|
||
|
// beware: dereferenceOfRefs has side effects and changes schema.oneOf
|
||
|
const oneOfLocations = dereferenceOfRefs(location, 'oneOf')
|
||
|
oneOfLocations.forEach((location, index) => {
|
||
|
const nestedResult = nested(laterCode, name, key, location, subKey !== '' ? subKey : 'i' + index, isArray)
|
||
|
const testSerializer = getTestSerializer(location.schema.format)
|
||
|
const testValue = testSerializer !== undefined ? `${testSerializer}(obj${accessor}, true)` : `obj${accessor}`
|
||
|
// see comment on anyOf about dereferencing the schema before calling ajv.validate
|
||
|
code += `
|
||
|
${index === 0 ? 'if' : 'else if'}(ajv.validate(${JSON.stringify(location.schema)}, ${testValue}))
|
||
|
${nestedResult.code}
|
||
|
`
|
||
|
laterCode = nestedResult.laterCode
|
||
|
})
|
||
|
|
||
|
if (!isArray) {
|
||
|
code += `
|
||
|
else json+= null
|
||
|
`
|
||
|
}
|
||
|
} else if (isEmpty(schema)) {
|
||
|
code += `
|
||
|
json += JSON.stringify(obj${accessor})
|
||
|
`
|
||
|
} else if ('const' in schema) {
|
||
|
code += `
|
||
|
if(ajv.validate(${JSON.stringify(schema)}, obj${accessor}))
|
||
|
json += '${JSON.stringify(schema.const)}'
|
||
|
else
|
||
|
throw new Error(\`Item $\{JSON.stringify(obj${accessor})} does not match schema definition.\`)
|
||
|
`
|
||
|
} else if (schema.type === undefined) {
|
||
|
code += `
|
||
|
json += JSON.stringify(obj${accessor})
|
||
|
`
|
||
|
} else {
|
||
|
throw new Error(`${schema.type} unsupported`)
|
||
|
}
|
||
|
break
|
||
|
default:
|
||
|
if (Array.isArray(type)) {
|
||
|
const nullIndex = type.indexOf('null')
|
||
|
const sortedTypes = nullIndex !== -1 ? [type[nullIndex]].concat(type.slice(0, nullIndex)).concat(type.slice(nullIndex + 1)) : type
|
||
|
sortedTypes.forEach((type, index) => {
|
||
|
const statement = index === 0 ? 'if' : 'else if'
|
||
|
const tempSchema = Object.assign({}, schema, { type })
|
||
|
const nestedResult = nested(laterCode, name, key, mergeLocation(location, { schema: tempSchema }), subKey, isArray)
|
||
|
switch (type) {
|
||
|
case 'string': {
|
||
|
code += `
|
||
|
${statement}(obj${accessor} === null || typeof obj${accessor} === "${type}" || obj${accessor} instanceof Date || typeof obj${accessor}.toISOString === "function" || obj${accessor} instanceof RegExp || (typeof obj${accessor} === "object" && Object.hasOwnProperty.call(obj${accessor}, "toString")))
|
||
|
${nestedResult.code}
|
||
|
`
|
||
|
break
|
||
|
}
|
||
|
case 'null': {
|
||
|
code += `
|
||
|
${statement}(obj${accessor} == null)
|
||
|
${nestedResult.code}
|
||
|
`
|
||
|
break
|
||
|
}
|
||
|
case 'array': {
|
||
|
code += `
|
||
|
${statement}(Array.isArray(obj${accessor}))
|
||
|
${nestedResult.code}
|
||
|
`
|
||
|
break
|
||
|
}
|
||
|
case 'integer': {
|
||
|
code += `
|
||
|
${statement}(Number.isInteger(obj${accessor}) || obj${accessor} === null)
|
||
|
${nestedResult.code}
|
||
|
`
|
||
|
break
|
||
|
}
|
||
|
case 'number': {
|
||
|
code += `
|
||
|
${statement}(isNaN(obj${accessor}) === false)
|
||
|
${nestedResult.code}
|
||
|
`
|
||
|
break
|
||
|
}
|
||
|
default: {
|
||
|
code += `
|
||
|
${statement}(typeof obj${accessor} === "${type}")
|
||
|
${nestedResult.code}
|
||
|
`
|
||
|
break
|
||
|
}
|
||
|
}
|
||
|
laterCode = nestedResult.laterCode
|
||
|
})
|
||
|
code += `
|
||
|
else json+= null
|
||
|
`
|
||
|
} else {
|
||
|
throw new Error(`${type} unsupported`)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return {
|
||
|
code,
|
||
|
laterCode
|
||
|
}
|
||
|
}
|
||
|
|
||
|
function isEmpty (schema) {
|
||
|
// eslint-disable-next-line
|
||
|
for (var key in schema) {
|
||
|
if (schema.hasOwnProperty(key) && schema[key] !== undefined) {
|
||
|
return false
|
||
|
}
|
||
|
}
|
||
|
return true
|
||
|
}
|
||
|
|
||
|
module.exports = build
|
||
|
|
||
|
module.exports.restore = function (debugModeStr, options = {}) {
|
||
|
const dependencies = [debugModeStr]
|
||
|
const args = []
|
||
|
if (debugModeStr.startsWith('ajv')) {
|
||
|
dependencies.unshift('ajv')
|
||
|
args.push(new Ajv(options.ajv))
|
||
|
}
|
||
|
|
||
|
// eslint-disable-next-line
|
||
|
return (Function.apply(null, ['ajv', debugModeStr])
|
||
|
.apply(null, args))
|
||
|
}
|