4 KeywordErrorDefinition,
7 import type {KeywordCxt} from "../../compile/validate"
8 import {propertyInData, allSchemaProperties, isOwnProperty} from "../code"
9 import {alwaysValidSchema, schemaRefOrVal} from "../../compile/util"
10 import {_, and, not, Code, Name} from "../../compile/codegen"
11 import {checkMetadata} from "./metadata"
12 import {checkNullableObject} from "./nullable"
13 import {typeErrorMessage, typeErrorParams, _JTDTypeError} from "./error"
16 Additional = "additional",
20 type PropKeyword = "properties" | "optionalProperties"
22 type PropSchema = {[P in string]?: SchemaObject}
24 export type JTDPropertiesError =
25 | _JTDTypeError<PropKeyword, "object", PropSchema>
26 | ErrorObject<PropKeyword, {error: PropError.Additional; additionalProperty: string}, PropSchema>
27 | ErrorObject<PropKeyword, {error: PropError.Missing; missingProperty: string}, PropSchema>
29 export const error: KeywordErrorDefinition = {
32 return params.propError
33 ? params.propError === PropError.Additional
34 ? "must NOT have additional properties"
35 : `must have property '${params.missingProperty}'`
36 : typeErrorMessage(cxt, "object")
40 return params.propError
41 ? params.propError === PropError.Additional
42 ? _`{error: ${params.propError}, additionalProperty: ${params.additionalProperty}}`
43 : _`{error: ${params.propError}, missingProperty: ${params.missingProperty}}`
44 : typeErrorParams(cxt, "object")
48 const def: CodeKeywordDefinition = {
49 keyword: "properties",
52 code: validateProperties,
55 // const error: KeywordErrorDefinition = {
56 // message: "should NOT have additional properties",
57 // params: ({params}) => _`{additionalProperty: ${params.additionalProperty}}`,
60 export function validateProperties(cxt: KeywordCxt): void {
62 const {gen, data, parentSchema, it} = cxt
63 const {additionalProperties, nullable} = parentSchema
64 if (it.jtdDiscriminator && nullable) throw new Error("JTD: nullable inside discriminator mapping")
65 if (commonProperties()) {
66 throw new Error("JTD: properties and optionalProperties have common members")
68 const [allProps, properties] = schemaProperties("properties")
69 const [allOptProps, optProperties] = schemaProperties("optionalProperties")
70 if (properties.length === 0 && optProperties.length === 0 && additionalProperties) {
75 it.jtdDiscriminator === undefined
76 ? checkNullableObject(cxt, data)
77 : [gen.let("valid", false), true]
79 gen.assign(valid, true).block(() => {
80 validateProps(properties, "properties", true)
81 validateProps(optProperties, "optionalProperties")
82 if (!additionalProperties) validateAdditional()
87 function commonProperties(): boolean {
88 const props = parentSchema.properties as Record<string, any> | undefined
89 const optProps = parentSchema.optionalProperties as Record<string, any> | undefined
90 if (!(props && optProps)) return false
91 for (const p in props) {
92 if (Object.prototype.hasOwnProperty.call(optProps, p)) return true
97 function schemaProperties(keyword: string): [string[], string[]] {
98 const schema = parentSchema[keyword]
99 const allPs = schema ? allSchemaProperties(schema) : []
100 if (it.jtdDiscriminator && allPs.some((p) => p === it.jtdDiscriminator)) {
101 throw new Error(`JTD: discriminator tag used in ${keyword}`)
103 const ps = allPs.filter((p) => !alwaysValidSchema(it, schema[p]))
107 function validateProps(props: string[], keyword: string, required?: boolean): void {
108 const _valid = gen.var("valid")
109 for (const prop of props) {
111 propertyInData(gen, data, prop, it.opts.ownProperties),
112 () => applyPropertySchema(prop, keyword, _valid),
113 () => missingProperty(prop)
118 function missingProperty(prop: string): void {
120 gen.assign(_valid, false)
121 cxt.error(false, {propError: PropError.Missing, missingProperty: prop}, {schemaPath: prop})
123 gen.assign(_valid, true)
128 function applyPropertySchema(prop: string, keyword: string, _valid: Name): void {
139 function validateAdditional(): void {
140 gen.forIn("key", data, (key: Name) => {
142 it.jtdDiscriminator === undefined ? allProps : [it.jtdDiscriminator].concat(allProps)
143 const addProp = isAdditional(key, _allProps, "properties")
144 const addOptProp = isAdditional(key, allOptProps, "optionalProperties")
146 addProp === true ? addOptProp : addOptProp === true ? addProp : and(addProp, addOptProp)
147 gen.if(extra, () => {
148 if (it.opts.removeAdditional) {
149 gen.code(_`delete ${data}[${key}]`)
153 {propError: PropError.Additional, additionalProperty: key},
154 {instancePath: key, parentSchema: true}
156 if (!it.opts.allErrors) gen.break()
162 function isAdditional(key: Name, props: string[], keyword: string): Code | true {
163 let additional: Code | boolean
164 if (props.length > 8) {
165 // TODO maybe an option instead of hard-coded 8?
166 const propsSchema = schemaRefOrVal(it, parentSchema[keyword], keyword)
167 additional = not(isOwnProperty(gen, propsSchema as Code, key))
168 } else if (props.length) {
169 additional = and(...props.map((p) => _`${key} !== ${p}`))