source: trip-planner-front/node_modules/ajv/lib/core.ts

Last change on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

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1export {
2 Format,
3 FormatDefinition,
4 AsyncFormatDefinition,
5 KeywordDefinition,
6 KeywordErrorDefinition,
7 CodeKeywordDefinition,
8 MacroKeywordDefinition,
9 FuncKeywordDefinition,
10 Vocabulary,
11 Schema,
12 SchemaObject,
13 AnySchemaObject,
14 AsyncSchema,
15 AnySchema,
16 ValidateFunction,
17 AsyncValidateFunction,
18 AnyValidateFunction,
19 ErrorObject,
20 ErrorNoParams,
21} from "./types"
22
23export {SchemaCxt, SchemaObjCxt} from "./compile"
24export interface Plugin<Opts> {
25 (ajv: Ajv, options?: Opts): Ajv
26 [prop: string]: any
27}
28
29export {KeywordCxt} from "./compile/validate"
30export {DefinedError} from "./vocabularies/errors"
31export {JSONType} from "./compile/rules"
32export {JSONSchemaType} from "./types/json-schema"
33export {JTDSchemaType, SomeJTDSchemaType, JTDDataType} from "./types/jtd-schema"
34export {_, str, stringify, nil, Name, Code, CodeGen, CodeGenOptions} from "./compile/codegen"
35
36import type {
37 Schema,
38 AnySchema,
39 AnySchemaObject,
40 SchemaObject,
41 AsyncSchema,
42 Vocabulary,
43 KeywordDefinition,
44 AddedKeywordDefinition,
45 AnyValidateFunction,
46 ValidateFunction,
47 AsyncValidateFunction,
48 ErrorObject,
49 Format,
50 AddedFormat,
51} from "./types"
52import type {JSONSchemaType} from "./types/json-schema"
53import type {JTDSchemaType, SomeJTDSchemaType, JTDDataType} from "./types/jtd-schema"
54import ValidationError from "./runtime/validation_error"
55import MissingRefError from "./compile/ref_error"
56import {getRules, ValidationRules, Rule, RuleGroup, JSONType} from "./compile/rules"
57import {SchemaEnv, compileSchema, resolveSchema} from "./compile"
58import {Code, ValueScope} from "./compile/codegen"
59import {normalizeId, getSchemaRefs} from "./compile/resolve"
60import {getJSONTypes} from "./compile/validate/dataType"
61import {eachItem} from "./compile/util"
62
63import * as $dataRefSchema from "./refs/data.json"
64
65const META_IGNORE_OPTIONS: (keyof Options)[] = ["removeAdditional", "useDefaults", "coerceTypes"]
66const EXT_SCOPE_NAMES = new Set([
67 "validate",
68 "serialize",
69 "parse",
70 "wrapper",
71 "root",
72 "schema",
73 "keyword",
74 "pattern",
75 "formats",
76 "validate$data",
77 "func",
78 "obj",
79 "Error",
80])
81
82export type Options = CurrentOptions & DeprecatedOptions
83
84export interface CurrentOptions {
85 // strict mode options (NEW)
86 strict?: boolean | "log"
87 strictSchema?: boolean | "log"
88 strictNumbers?: boolean | "log"
89 strictTypes?: boolean | "log"
90 strictTuples?: boolean | "log"
91 strictRequired?: boolean | "log"
92 allowMatchingProperties?: boolean // disables a strict mode restriction
93 allowUnionTypes?: boolean
94 validateFormats?: boolean
95 // validation and reporting options:
96 $data?: boolean
97 allErrors?: boolean
98 verbose?: boolean
99 discriminator?: boolean
100 unicodeRegExp?: boolean
101 timestamp?: "string" | "date" // JTD only
102 parseDate?: boolean // JTD only
103 allowDate?: boolean // JTD only
104 $comment?:
105 | true
106 | ((comment: string, schemaPath?: string, rootSchema?: AnySchemaObject) => unknown)
107 formats?: {[Name in string]?: Format}
108 keywords?: Vocabulary
109 schemas?: AnySchema[] | {[Key in string]?: AnySchema}
110 logger?: Logger | false
111 loadSchema?: (uri: string) => Promise<AnySchemaObject>
112 // options to modify validated data:
113 removeAdditional?: boolean | "all" | "failing"
114 useDefaults?: boolean | "empty"
115 coerceTypes?: boolean | "array"
116 // advanced options:
117 next?: boolean // NEW
118 unevaluated?: boolean // NEW
119 dynamicRef?: boolean // NEW
120 schemaId?: "id" | "$id"
121 jtd?: boolean // NEW
122 meta?: SchemaObject | boolean
123 defaultMeta?: string | AnySchemaObject
124 validateSchema?: boolean | "log"
125 addUsedSchema?: boolean
126 inlineRefs?: boolean | number
127 passContext?: boolean
128 loopRequired?: number
129 loopEnum?: number // NEW
130 ownProperties?: boolean
131 multipleOfPrecision?: number
132 int32range?: boolean // JTD only
133 messages?: boolean
134 code?: CodeOptions // NEW
135}
136
137export interface CodeOptions {
138 es5?: boolean
139 lines?: boolean
140 optimize?: boolean | number
141 formats?: Code // code to require (or construct) map of available formats - for standalone code
142 source?: boolean
143 process?: (code: string, schema?: SchemaEnv) => string
144}
145
146interface InstanceCodeOptions extends CodeOptions {
147 optimize: number
148}
149
150interface DeprecatedOptions {
151 /** @deprecated */
152 ignoreKeywordsWithRef?: boolean
153 /** @deprecated */
154 jsPropertySyntax?: boolean // added instead of jsonPointers
155 /** @deprecated */
156 unicode?: boolean
157}
158
159interface RemovedOptions {
160 format?: boolean
161 errorDataPath?: "object" | "property"
162 nullable?: boolean // "nullable" keyword is supported by default
163 jsonPointers?: boolean
164 extendRefs?: true | "ignore" | "fail"
165 missingRefs?: true | "ignore" | "fail"
166 processCode?: (code: string, schema?: SchemaEnv) => string
167 sourceCode?: boolean
168 strictDefaults?: boolean
169 strictKeywords?: boolean
170 uniqueItems?: boolean
171 unknownFormats?: true | string[] | "ignore"
172 cache?: any
173 serialize?: (schema: AnySchema) => unknown
174 ajvErrors?: boolean
175}
176
177type OptionsInfo<T extends RemovedOptions | DeprecatedOptions> = {
178 [K in keyof T]-?: string | undefined
179}
180
181const removedOptions: OptionsInfo<RemovedOptions> = {
182 errorDataPath: "",
183 format: "`validateFormats: false` can be used instead.",
184 nullable: '"nullable" keyword is supported by default.',
185 jsonPointers: "Deprecated jsPropertySyntax can be used instead.",
186 extendRefs: "Deprecated ignoreKeywordsWithRef can be used instead.",
187 missingRefs: "Pass empty schema with $id that should be ignored to ajv.addSchema.",
188 processCode: "Use option `code: {process: (code, schemaEnv: object) => string}`",
189 sourceCode: "Use option `code: {source: true}`",
190 strictDefaults: "It is default now, see option `strict`.",
191 strictKeywords: "It is default now, see option `strict`.",
192 uniqueItems: '"uniqueItems" keyword is always validated.',
193 unknownFormats: "Disable strict mode or pass `true` to `ajv.addFormat` (or `formats` option).",
194 cache: "Map is used as cache, schema object as key.",
195 serialize: "Map is used as cache, schema object as key.",
196 ajvErrors: "It is default now.",
197}
198
199const deprecatedOptions: OptionsInfo<DeprecatedOptions> = {
200 ignoreKeywordsWithRef: "",
201 jsPropertySyntax: "",
202 unicode: '"minLength"/"maxLength" account for unicode characters by default.',
203}
204
205type RequiredInstanceOptions = {
206 [K in
207 | "strictSchema"
208 | "strictNumbers"
209 | "strictTypes"
210 | "strictTuples"
211 | "strictRequired"
212 | "inlineRefs"
213 | "loopRequired"
214 | "loopEnum"
215 | "meta"
216 | "messages"
217 | "schemaId"
218 | "addUsedSchema"
219 | "validateSchema"
220 | "validateFormats"
221 | "int32range"
222 | "unicodeRegExp"]: NonNullable<Options[K]>
223} & {code: InstanceCodeOptions}
224
225export type InstanceOptions = Options & RequiredInstanceOptions
226
227const MAX_EXPRESSION = 200
228
229// eslint-disable-next-line complexity
230function requiredOptions(o: Options): RequiredInstanceOptions {
231 const s = o.strict
232 const _optz = o.code?.optimize
233 const optimize = _optz === true || _optz === undefined ? 1 : _optz || 0
234 return {
235 strictSchema: o.strictSchema ?? s ?? true,
236 strictNumbers: o.strictNumbers ?? s ?? true,
237 strictTypes: o.strictTypes ?? s ?? "log",
238 strictTuples: o.strictTuples ?? s ?? "log",
239 strictRequired: o.strictRequired ?? s ?? false,
240 code: o.code ? {...o.code, optimize} : {optimize},
241 loopRequired: o.loopRequired ?? MAX_EXPRESSION,
242 loopEnum: o.loopEnum ?? MAX_EXPRESSION,
243 meta: o.meta ?? true,
244 messages: o.messages ?? true,
245 inlineRefs: o.inlineRefs ?? true,
246 schemaId: o.schemaId ?? "$id",
247 addUsedSchema: o.addUsedSchema ?? true,
248 validateSchema: o.validateSchema ?? true,
249 validateFormats: o.validateFormats ?? true,
250 unicodeRegExp: o.unicodeRegExp ?? true,
251 int32range: o.int32range ?? true,
252 }
253}
254
255export interface Logger {
256 log(...args: unknown[]): unknown
257 warn(...args: unknown[]): unknown
258 error(...args: unknown[]): unknown
259}
260
261export default class Ajv {
262 opts: InstanceOptions
263 errors?: ErrorObject[] | null // errors from the last validation
264 logger: Logger
265 // shared external scope values for compiled functions
266 readonly scope: ValueScope
267 readonly schemas: {[Key in string]?: SchemaEnv} = {}
268 readonly refs: {[Ref in string]?: SchemaEnv | string} = {}
269 readonly formats: {[Name in string]?: AddedFormat} = {}
270 readonly RULES: ValidationRules
271 readonly _compilations: Set<SchemaEnv> = new Set()
272 private readonly _loading: {[Ref in string]?: Promise<AnySchemaObject>} = {}
273 private readonly _cache: Map<AnySchema, SchemaEnv> = new Map()
274 private readonly _metaOpts: InstanceOptions
275
276 static ValidationError = ValidationError
277 static MissingRefError = MissingRefError
278
279 constructor(opts: Options = {}) {
280 opts = this.opts = {...opts, ...requiredOptions(opts)}
281 const {es5, lines} = this.opts.code
282 this.scope = new ValueScope({scope: {}, prefixes: EXT_SCOPE_NAMES, es5, lines})
283 this.logger = getLogger(opts.logger)
284 const formatOpt = opts.validateFormats
285 opts.validateFormats = false
286
287 this.RULES = getRules()
288 checkOptions.call(this, removedOptions, opts, "NOT SUPPORTED")
289 checkOptions.call(this, deprecatedOptions, opts, "DEPRECATED", "warn")
290 this._metaOpts = getMetaSchemaOptions.call(this)
291
292 if (opts.formats) addInitialFormats.call(this)
293 this._addVocabularies()
294 this._addDefaultMetaSchema()
295 if (opts.keywords) addInitialKeywords.call(this, opts.keywords)
296 if (typeof opts.meta == "object") this.addMetaSchema(opts.meta)
297 addInitialSchemas.call(this)
298 opts.validateFormats = formatOpt
299 }
300
301 _addVocabularies(): void {
302 this.addKeyword("$async")
303 }
304
305 _addDefaultMetaSchema(): void {
306 const {$data, meta, schemaId} = this.opts
307 let _dataRefSchema: SchemaObject = $dataRefSchema
308 if (schemaId === "id") {
309 _dataRefSchema = {...$dataRefSchema}
310 _dataRefSchema.id = _dataRefSchema.$id
311 delete _dataRefSchema.$id
312 }
313 if (meta && $data) this.addMetaSchema(_dataRefSchema, _dataRefSchema[schemaId], false)
314 }
315
316 defaultMeta(): string | AnySchemaObject | undefined {
317 const {meta, schemaId} = this.opts
318 return (this.opts.defaultMeta = typeof meta == "object" ? meta[schemaId] || meta : undefined)
319 }
320
321 // Validate data using schema
322 // AnySchema will be compiled and cached using schema itself as a key for Map
323 validate(schema: Schema | string, data: unknown): boolean
324 validate(schemaKeyRef: AnySchema | string, data: unknown): boolean | Promise<unknown>
325 validate<T>(schema: Schema | JSONSchemaType<T> | string, data: unknown): data is T
326 // Separated for type inference to work
327 // eslint-disable-next-line @typescript-eslint/unified-signatures
328 validate<T>(schema: JTDSchemaType<T>, data: unknown): data is T
329 // This overload is only intended for typescript inference, the first
330 // argument prevents manual type annotation from matching this overload
331 validate<N extends never, T extends SomeJTDSchemaType>(
332 schema: T,
333 data: unknown
334 ): data is JTDDataType<T>
335 validate<T>(schema: AsyncSchema, data: unknown | T): Promise<T>
336 validate<T>(schemaKeyRef: AnySchema | string, data: unknown): data is T | Promise<T>
337 validate<T>(
338 schemaKeyRef: AnySchema | string, // key, ref or schema object
339 data: unknown | T // to be validated
340 ): boolean | Promise<T> {
341 let v: AnyValidateFunction | undefined
342 if (typeof schemaKeyRef == "string") {
343 v = this.getSchema<T>(schemaKeyRef)
344 if (!v) throw new Error(`no schema with key or ref "${schemaKeyRef}"`)
345 } else {
346 v = this.compile<T>(schemaKeyRef)
347 }
348
349 const valid = v(data)
350 if (!("$async" in v)) this.errors = v.errors
351 return valid
352 }
353
354 // Create validation function for passed schema
355 // _meta: true if schema is a meta-schema. Used internally to compile meta schemas of user-defined keywords.
356 compile<T = unknown>(schema: Schema | JSONSchemaType<T>, _meta?: boolean): ValidateFunction<T>
357 // Separated for type inference to work
358 // eslint-disable-next-line @typescript-eslint/unified-signatures
359 compile<T = unknown>(schema: JTDSchemaType<T>, _meta?: boolean): ValidateFunction<T>
360 // This overload is only intended for typescript inference, the first
361 // argument prevents manual type annotation from matching this overload
362 compile<N extends never, T extends SomeJTDSchemaType>(
363 schema: T,
364 _meta?: boolean
365 ): ValidateFunction<JTDDataType<T>>
366 compile<T = unknown>(schema: AsyncSchema, _meta?: boolean): AsyncValidateFunction<T>
367 compile<T = unknown>(schema: AnySchema, _meta?: boolean): AnyValidateFunction<T>
368 compile<T = unknown>(schema: AnySchema, _meta?: boolean): AnyValidateFunction<T> {
369 const sch = this._addSchema(schema, _meta)
370 return (sch.validate || this._compileSchemaEnv(sch)) as AnyValidateFunction<T>
371 }
372
373 // Creates validating function for passed schema with asynchronous loading of missing schemas.
374 // `loadSchema` option should be a function that accepts schema uri and returns promise that resolves with the schema.
375 // TODO allow passing schema URI
376 // meta - optional true to compile meta-schema
377 compileAsync<T = unknown>(
378 schema: SchemaObject | JSONSchemaType<T>,
379 _meta?: boolean
380 ): Promise<ValidateFunction<T>>
381 // Separated for type inference to work
382 // eslint-disable-next-line @typescript-eslint/unified-signatures
383 compileAsync<T = unknown>(schema: JTDSchemaType<T>, _meta?: boolean): Promise<ValidateFunction<T>>
384 compileAsync<T = unknown>(schema: AsyncSchema, meta?: boolean): Promise<AsyncValidateFunction<T>>
385 // eslint-disable-next-line @typescript-eslint/unified-signatures
386 compileAsync<T = unknown>(
387 schema: AnySchemaObject,
388 meta?: boolean
389 ): Promise<AnyValidateFunction<T>>
390 compileAsync<T = unknown>(
391 schema: AnySchemaObject,
392 meta?: boolean
393 ): Promise<AnyValidateFunction<T>> {
394 if (typeof this.opts.loadSchema != "function") {
395 throw new Error("options.loadSchema should be a function")
396 }
397 const {loadSchema} = this.opts
398 return runCompileAsync.call(this, schema, meta)
399
400 async function runCompileAsync(
401 this: Ajv,
402 _schema: AnySchemaObject,
403 _meta?: boolean
404 ): Promise<AnyValidateFunction> {
405 await loadMetaSchema.call(this, _schema.$schema)
406 const sch = this._addSchema(_schema, _meta)
407 return sch.validate || _compileAsync.call(this, sch)
408 }
409
410 async function loadMetaSchema(this: Ajv, $ref?: string): Promise<void> {
411 if ($ref && !this.getSchema($ref)) {
412 await runCompileAsync.call(this, {$ref}, true)
413 }
414 }
415
416 async function _compileAsync(this: Ajv, sch: SchemaEnv): Promise<AnyValidateFunction> {
417 try {
418 return this._compileSchemaEnv(sch)
419 } catch (e) {
420 if (!(e instanceof MissingRefError)) throw e
421 checkLoaded.call(this, e)
422 await loadMissingSchema.call(this, e.missingSchema)
423 return _compileAsync.call(this, sch)
424 }
425 }
426
427 function checkLoaded(this: Ajv, {missingSchema: ref, missingRef}: MissingRefError): void {
428 if (this.refs[ref]) {
429 throw new Error(`AnySchema ${ref} is loaded but ${missingRef} cannot be resolved`)
430 }
431 }
432
433 async function loadMissingSchema(this: Ajv, ref: string): Promise<void> {
434 const _schema = await _loadSchema.call(this, ref)
435 if (!this.refs[ref]) await loadMetaSchema.call(this, _schema.$schema)
436 if (!this.refs[ref]) this.addSchema(_schema, ref, meta)
437 }
438
439 async function _loadSchema(this: Ajv, ref: string): Promise<AnySchemaObject> {
440 const p = this._loading[ref]
441 if (p) return p
442 try {
443 return await (this._loading[ref] = loadSchema(ref))
444 } finally {
445 delete this._loading[ref]
446 }
447 }
448 }
449
450 // Adds schema to the instance
451 addSchema(
452 schema: AnySchema | AnySchema[], // If array is passed, `key` will be ignored
453 key?: string, // Optional schema key. Can be passed to `validate` method instead of schema object or id/ref. One schema per instance can have empty `id` and `key`.
454 _meta?: boolean, // true if schema is a meta-schema. Used internally, addMetaSchema should be used instead.
455 _validateSchema = this.opts.validateSchema // false to skip schema validation. Used internally, option validateSchema should be used instead.
456 ): Ajv {
457 if (Array.isArray(schema)) {
458 for (const sch of schema) this.addSchema(sch, undefined, _meta, _validateSchema)
459 return this
460 }
461 let id: string | undefined
462 if (typeof schema === "object") {
463 const {schemaId} = this.opts
464 id = schema[schemaId]
465 if (id !== undefined && typeof id != "string") {
466 throw new Error(`schema ${schemaId} must be string`)
467 }
468 }
469 key = normalizeId(key || id)
470 this._checkUnique(key)
471 this.schemas[key] = this._addSchema(schema, _meta, key, _validateSchema, true)
472 return this
473 }
474
475 // Add schema that will be used to validate other schemas
476 // options in META_IGNORE_OPTIONS are alway set to false
477 addMetaSchema(
478 schema: AnySchemaObject,
479 key?: string, // schema key
480 _validateSchema = this.opts.validateSchema // false to skip schema validation, can be used to override validateSchema option for meta-schema
481 ): Ajv {
482 this.addSchema(schema, key, true, _validateSchema)
483 return this
484 }
485
486 // Validate schema against its meta-schema
487 validateSchema(schema: AnySchema, throwOrLogError?: boolean): boolean | Promise<unknown> {
488 if (typeof schema == "boolean") return true
489 let $schema: string | AnySchemaObject | undefined
490 $schema = schema.$schema
491 if ($schema !== undefined && typeof $schema != "string") {
492 throw new Error("$schema must be a string")
493 }
494 $schema = $schema || this.opts.defaultMeta || this.defaultMeta()
495 if (!$schema) {
496 this.logger.warn("meta-schema not available")
497 this.errors = null
498 return true
499 }
500 const valid = this.validate($schema, schema)
501 if (!valid && throwOrLogError) {
502 const message = "schema is invalid: " + this.errorsText()
503 if (this.opts.validateSchema === "log") this.logger.error(message)
504 else throw new Error(message)
505 }
506 return valid
507 }
508
509 // Get compiled schema by `key` or `ref`.
510 // (`key` that was passed to `addSchema` or full schema reference - `schema.$id` or resolved id)
511 getSchema<T = unknown>(keyRef: string): AnyValidateFunction<T> | undefined {
512 let sch
513 while (typeof (sch = getSchEnv.call(this, keyRef)) == "string") keyRef = sch
514 if (sch === undefined) {
515 const {schemaId} = this.opts
516 const root = new SchemaEnv({schema: {}, schemaId})
517 sch = resolveSchema.call(this, root, keyRef)
518 if (!sch) return
519 this.refs[keyRef] = sch
520 }
521 return (sch.validate || this._compileSchemaEnv(sch)) as AnyValidateFunction<T> | undefined
522 }
523
524 // Remove cached schema(s).
525 // If no parameter is passed all schemas but meta-schemas are removed.
526 // If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.
527 // Even if schema is referenced by other schemas it still can be removed as other schemas have local references.
528 removeSchema(schemaKeyRef?: AnySchema | string | RegExp): Ajv {
529 if (schemaKeyRef instanceof RegExp) {
530 this._removeAllSchemas(this.schemas, schemaKeyRef)
531 this._removeAllSchemas(this.refs, schemaKeyRef)
532 return this
533 }
534 switch (typeof schemaKeyRef) {
535 case "undefined":
536 this._removeAllSchemas(this.schemas)
537 this._removeAllSchemas(this.refs)
538 this._cache.clear()
539 return this
540 case "string": {
541 const sch = getSchEnv.call(this, schemaKeyRef)
542 if (typeof sch == "object") this._cache.delete(sch.schema)
543 delete this.schemas[schemaKeyRef]
544 delete this.refs[schemaKeyRef]
545 return this
546 }
547 case "object": {
548 const cacheKey = schemaKeyRef
549 this._cache.delete(cacheKey)
550 let id = schemaKeyRef[this.opts.schemaId]
551 if (id) {
552 id = normalizeId(id)
553 delete this.schemas[id]
554 delete this.refs[id]
555 }
556 return this
557 }
558 default:
559 throw new Error("ajv.removeSchema: invalid parameter")
560 }
561 }
562
563 // add "vocabulary" - a collection of keywords
564 addVocabulary(definitions: Vocabulary): Ajv {
565 for (const def of definitions) this.addKeyword(def)
566 return this
567 }
568
569 addKeyword(
570 kwdOrDef: string | KeywordDefinition,
571 def?: KeywordDefinition // deprecated
572 ): Ajv {
573 let keyword: string | string[]
574 if (typeof kwdOrDef == "string") {
575 keyword = kwdOrDef
576 if (typeof def == "object") {
577 this.logger.warn("these parameters are deprecated, see docs for addKeyword")
578 def.keyword = keyword
579 }
580 } else if (typeof kwdOrDef == "object" && def === undefined) {
581 def = kwdOrDef
582 keyword = def.keyword
583 if (Array.isArray(keyword) && !keyword.length) {
584 throw new Error("addKeywords: keyword must be string or non-empty array")
585 }
586 } else {
587 throw new Error("invalid addKeywords parameters")
588 }
589
590 checkKeyword.call(this, keyword, def)
591 if (!def) {
592 eachItem(keyword, (kwd) => addRule.call(this, kwd))
593 return this
594 }
595 keywordMetaschema.call(this, def)
596 const definition: AddedKeywordDefinition = {
597 ...def,
598 type: getJSONTypes(def.type),
599 schemaType: getJSONTypes(def.schemaType),
600 }
601 eachItem(
602 keyword,
603 definition.type.length === 0
604 ? (k) => addRule.call(this, k, definition)
605 : (k) => definition.type.forEach((t) => addRule.call(this, k, definition, t))
606 )
607 return this
608 }
609
610 getKeyword(keyword: string): AddedKeywordDefinition | boolean {
611 const rule = this.RULES.all[keyword]
612 return typeof rule == "object" ? rule.definition : !!rule
613 }
614
615 // Remove keyword
616 removeKeyword(keyword: string): Ajv {
617 // TODO return type should be Ajv
618 const {RULES} = this
619 delete RULES.keywords[keyword]
620 delete RULES.all[keyword]
621 for (const group of RULES.rules) {
622 const i = group.rules.findIndex((rule) => rule.keyword === keyword)
623 if (i >= 0) group.rules.splice(i, 1)
624 }
625 return this
626 }
627
628 // Add format
629 addFormat(name: string, format: Format): Ajv {
630 if (typeof format == "string") format = new RegExp(format)
631 this.formats[name] = format
632 return this
633 }
634
635 errorsText(
636 errors: ErrorObject[] | null | undefined = this.errors, // optional array of validation errors
637 {separator = ", ", dataVar = "data"}: ErrorsTextOptions = {} // optional options with properties `separator` and `dataVar`
638 ): string {
639 if (!errors || errors.length === 0) return "No errors"
640 return errors
641 .map((e) => `${dataVar}${e.instancePath} ${e.message}`)
642 .reduce((text, msg) => text + separator + msg)
643 }
644
645 $dataMetaSchema(metaSchema: AnySchemaObject, keywordsJsonPointers: string[]): AnySchemaObject {
646 const rules = this.RULES.all
647 metaSchema = JSON.parse(JSON.stringify(metaSchema))
648 for (const jsonPointer of keywordsJsonPointers) {
649 const segments = jsonPointer.split("/").slice(1) // first segment is an empty string
650 let keywords = metaSchema
651 for (const seg of segments) keywords = keywords[seg] as AnySchemaObject
652
653 for (const key in rules) {
654 const rule = rules[key]
655 if (typeof rule != "object") continue
656 const {$data} = rule.definition
657 const schema = keywords[key] as AnySchemaObject | undefined
658 if ($data && schema) keywords[key] = schemaOrData(schema)
659 }
660 }
661
662 return metaSchema
663 }
664
665 private _removeAllSchemas(schemas: {[Ref in string]?: SchemaEnv | string}, regex?: RegExp): void {
666 for (const keyRef in schemas) {
667 const sch = schemas[keyRef]
668 if (!regex || regex.test(keyRef)) {
669 if (typeof sch == "string") {
670 delete schemas[keyRef]
671 } else if (sch && !sch.meta) {
672 this._cache.delete(sch.schema)
673 delete schemas[keyRef]
674 }
675 }
676 }
677 }
678
679 _addSchema(
680 schema: AnySchema,
681 meta?: boolean,
682 baseId?: string,
683 validateSchema = this.opts.validateSchema,
684 addSchema = this.opts.addUsedSchema
685 ): SchemaEnv {
686 let id: string | undefined
687 const {schemaId} = this.opts
688 if (typeof schema == "object") {
689 id = schema[schemaId]
690 } else {
691 if (this.opts.jtd) throw new Error("schema must be object")
692 else if (typeof schema != "boolean") throw new Error("schema must be object or boolean")
693 }
694 let sch = this._cache.get(schema)
695 if (sch !== undefined) return sch
696
697 const localRefs = getSchemaRefs.call(this, schema)
698 baseId = normalizeId(id || baseId)
699 sch = new SchemaEnv({schema, schemaId, meta, baseId, localRefs})
700 this._cache.set(sch.schema, sch)
701 if (addSchema && !baseId.startsWith("#")) {
702 // TODO atm it is allowed to overwrite schemas without id (instead of not adding them)
703 if (baseId) this._checkUnique(baseId)
704 this.refs[baseId] = sch
705 }
706 if (validateSchema) this.validateSchema(schema, true)
707 return sch
708 }
709
710 private _checkUnique(id: string): void {
711 if (this.schemas[id] || this.refs[id]) {
712 throw new Error(`schema with key or id "${id}" already exists`)
713 }
714 }
715
716 private _compileSchemaEnv(sch: SchemaEnv): AnyValidateFunction {
717 if (sch.meta) this._compileMetaSchema(sch)
718 else compileSchema.call(this, sch)
719
720 /* istanbul ignore if */
721 if (!sch.validate) throw new Error("ajv implementation error")
722 return sch.validate
723 }
724
725 private _compileMetaSchema(sch: SchemaEnv): void {
726 const currentOpts = this.opts
727 this.opts = this._metaOpts
728 try {
729 compileSchema.call(this, sch)
730 } finally {
731 this.opts = currentOpts
732 }
733 }
734}
735
736export interface ErrorsTextOptions {
737 separator?: string
738 dataVar?: string
739}
740
741function checkOptions(
742 this: Ajv,
743 checkOpts: OptionsInfo<RemovedOptions | DeprecatedOptions>,
744 options: Options & RemovedOptions,
745 msg: string,
746 log: "warn" | "error" = "error"
747): void {
748 for (const key in checkOpts) {
749 const opt = key as keyof typeof checkOpts
750 if (opt in options) this.logger[log](`${msg}: option ${key}. ${checkOpts[opt]}`)
751 }
752}
753
754function getSchEnv(this: Ajv, keyRef: string): SchemaEnv | string | undefined {
755 keyRef = normalizeId(keyRef) // TODO tests fail without this line
756 return this.schemas[keyRef] || this.refs[keyRef]
757}
758
759function addInitialSchemas(this: Ajv): void {
760 const optsSchemas = this.opts.schemas
761 if (!optsSchemas) return
762 if (Array.isArray(optsSchemas)) this.addSchema(optsSchemas)
763 else for (const key in optsSchemas) this.addSchema(optsSchemas[key] as AnySchema, key)
764}
765
766function addInitialFormats(this: Ajv): void {
767 for (const name in this.opts.formats) {
768 const format = this.opts.formats[name]
769 if (format) this.addFormat(name, format)
770 }
771}
772
773function addInitialKeywords(
774 this: Ajv,
775 defs: Vocabulary | {[K in string]?: KeywordDefinition}
776): void {
777 if (Array.isArray(defs)) {
778 this.addVocabulary(defs)
779 return
780 }
781 this.logger.warn("keywords option as map is deprecated, pass array")
782 for (const keyword in defs) {
783 const def = defs[keyword] as KeywordDefinition
784 if (!def.keyword) def.keyword = keyword
785 this.addKeyword(def)
786 }
787}
788
789function getMetaSchemaOptions(this: Ajv): InstanceOptions {
790 const metaOpts = {...this.opts}
791 for (const opt of META_IGNORE_OPTIONS) delete metaOpts[opt]
792 return metaOpts
793}
794
795const noLogs = {log() {}, warn() {}, error() {}}
796
797function getLogger(logger?: Partial<Logger> | false): Logger {
798 if (logger === false) return noLogs
799 if (logger === undefined) return console
800 if (logger.log && logger.warn && logger.error) return logger as Logger
801 throw new Error("logger must implement log, warn and error methods")
802}
803
804const KEYWORD_NAME = /^[a-z_$][a-z0-9_$:-]*$/i
805
806function checkKeyword(this: Ajv, keyword: string | string[], def?: KeywordDefinition): void {
807 const {RULES} = this
808 eachItem(keyword, (kwd) => {
809 if (RULES.keywords[kwd]) throw new Error(`Keyword ${kwd} is already defined`)
810 if (!KEYWORD_NAME.test(kwd)) throw new Error(`Keyword ${kwd} has invalid name`)
811 })
812 if (!def) return
813 if (def.$data && !("code" in def || "validate" in def)) {
814 throw new Error('$data keyword must have "code" or "validate" function')
815 }
816}
817
818function addRule(
819 this: Ajv,
820 keyword: string,
821 definition?: AddedKeywordDefinition,
822 dataType?: JSONType
823): void {
824 const post = definition?.post
825 if (dataType && post) throw new Error('keyword with "post" flag cannot have "type"')
826 const {RULES} = this
827 let ruleGroup = post ? RULES.post : RULES.rules.find(({type: t}) => t === dataType)
828 if (!ruleGroup) {
829 ruleGroup = {type: dataType, rules: []}
830 RULES.rules.push(ruleGroup)
831 }
832 RULES.keywords[keyword] = true
833 if (!definition) return
834
835 const rule: Rule = {
836 keyword,
837 definition: {
838 ...definition,
839 type: getJSONTypes(definition.type),
840 schemaType: getJSONTypes(definition.schemaType),
841 },
842 }
843 if (definition.before) addBeforeRule.call(this, ruleGroup, rule, definition.before)
844 else ruleGroup.rules.push(rule)
845 RULES.all[keyword] = rule
846 definition.implements?.forEach((kwd) => this.addKeyword(kwd))
847}
848
849function addBeforeRule(this: Ajv, ruleGroup: RuleGroup, rule: Rule, before: string): void {
850 const i = ruleGroup.rules.findIndex((_rule) => _rule.keyword === before)
851 if (i >= 0) {
852 ruleGroup.rules.splice(i, 0, rule)
853 } else {
854 ruleGroup.rules.push(rule)
855 this.logger.warn(`rule ${before} is not defined`)
856 }
857}
858
859function keywordMetaschema(this: Ajv, def: KeywordDefinition): void {
860 let {metaSchema} = def
861 if (metaSchema === undefined) return
862 if (def.$data && this.opts.$data) metaSchema = schemaOrData(metaSchema)
863 def.validateSchema = this.compile(metaSchema, true)
864}
865
866const $dataRef = {
867 $ref: "https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/data.json#",
868}
869
870function schemaOrData(schema: AnySchema): AnySchemaObject {
871 return {anyOf: [schema, $dataRef]}
872}
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