@apidevtools/json-schema-ref-parser
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Parse, Resolve, and Dereference JSON Schema $ref pointers
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TypeScript
import type { HTTPResolverOptions, JSONSchema, JSONSchemaObject, Plugin, ResolverOptions } from "./types/index.js";
export type DeepPartial<T> = T extends object ? {
[P in keyof T]?: DeepPartial<T[P]>;
} : T;
export interface DereferenceOptions {
/**
* Determines whether circular `$ref` pointers are handled.
*
* If set to `false`, then a `ReferenceError` will be thrown if the schema contains any circular references.
*
* If set to `"ignore"`, then circular references will simply be ignored. No error will be thrown, but the `$Refs.circular` property will still be set to `true`.
*/
circular?: boolean | "ignore";
/**
* A function, called for each path, which can return true to stop this path and all
* subpaths from being dereferenced further. This is useful in schemas where some
* subpaths contain literal $ref keys that should not be dereferenced.
*/
excludedPathMatcher?(path: string): boolean;
/**
* Callback invoked during circular reference detection.
*
* @argument {string} path - The path that is circular (ie. the `$ref` string)
*/
onCircular?(path: string): void;
/**
* Callback invoked during dereferencing.
*
* @argument {string} path - The path being dereferenced (ie. the `$ref` string)
* @argument {JSONSchemaObject} value - The JSON-Schema that the `$ref` resolved to
* @argument {JSONSchemaObject} parent - The parent of the dereferenced object
* @argument {string} parentPropName - The prop name of the parent object whose value was dereferenced
*/
onDereference?(path: string, value: JSONSchemaObject, parent?: JSONSchemaObject, parentPropName?: string): void;
/**
* An array of properties to preserve when dereferencing a `$ref` schema. Useful if you want to
* enforce non-standard dereferencing behavior like present in the OpenAPI 3.1 specification where
* `description` and `summary` properties are preserved when alongside a `$ref` pointer.
*
* If none supplied then no properties will be preserved and the object will be fully replaced
* with the dereferenced `$ref`.
*/
preservedProperties?: string[];
/**
* Whether a reference should resolve relative to its directory/path, or from the cwd
*
* Default: `relative`
*/
externalReferenceResolution?: "relative" | "root";
}
/**
* Options that determine how JSON schemas are parsed, resolved, and dereferenced.
*
* @param [options] - Overridden options
* @class
*/
export interface $RefParserOptions<S extends object = JSONSchema> {
/**
* The `parse` options determine how different types of files will be parsed.
*
* JSON Schema `$Ref` Parser comes with built-in JSON, YAML, plain-text, and binary parsers, any of which you can configure or disable. You can also add your own custom parsers if you want.
*/
parse: {
json?: Plugin | boolean;
yaml?: Plugin | boolean;
binary?: Plugin | boolean;
text?: Plugin | boolean;
[key: string]: Plugin | boolean | undefined;
};
/**
* The `resolve` options control how JSON Schema $Ref Parser will resolve file paths and URLs, and how those files will be read/downloaded.
*
* JSON Schema `$Ref` Parser comes with built-in support for HTTP and HTTPS, as well as support for local files (when running in Node.js). You can configure or disable either of these built-in resolvers. You can also add your own custom resolvers if you want.
*/
resolve: {
/**
* Determines whether external $ref pointers will be resolved. If this option is disabled, then external `$ref` pointers will simply be ignored.
*/
external?: boolean;
file?: Partial<ResolverOptions<S>> | boolean;
http?: HTTPResolverOptions<S> | boolean;
} & {
[key: string]: Partial<ResolverOptions<S>> | HTTPResolverOptions<S> | boolean | undefined;
};
/**
* By default, JSON Schema $Ref Parser throws the first error it encounters. Setting `continueOnError` to `true`
* causes it to keep processing as much as possible and then throw a single error that contains all errors
* that were encountered.
*/
continueOnError: boolean;
/**
* The `dereference` options control how JSON Schema `$Ref` Parser will dereference `$ref` pointers within the JSON schema.
*/
dereference: DereferenceOptions;
/**
* Whether to clone the schema before dereferencing it.
* This is useful when you want to dereference the same schema multiple times, but you don't want to modify the original schema.
* Default: `true` due to mutating the input being the default behavior historically
*/
mutateInputSchema?: boolean;
/**
* The maximum amount of time (in milliseconds) that JSON Schema $Ref Parser will spend dereferencing a single schema.
* It will throw a timeout error if the operation takes longer than this.
*/
timeoutMs?: number;
}
export declare const getJsonSchemaRefParserDefaultOptions: () => $RefParserOptions<JSONSchema>;
export declare const getNewOptions: <S extends object = JSONSchema, O extends ParserOptions<S> = {
parse?: {
[x: string]: boolean | {
name?: string | undefined;
order?: number | undefined;
allowEmpty?: boolean | undefined;
allowBOM?: boolean | undefined;
encoding?: BufferEncoding | undefined;
canParse?: string | boolean | {
exec?: {} | undefined;
test?: {} | undefined;
readonly source?: string | undefined;
readonly global?: boolean | undefined;
readonly ignoreCase?: boolean | undefined;
readonly multiline?: boolean | undefined;
lastIndex?: number | undefined;
compile?: {} | undefined;
readonly flags?: string | undefined;
readonly sticky?: boolean | undefined;
readonly unicode?: boolean | undefined;
readonly dotAll?: boolean | undefined;
readonly hasIndices?: boolean | undefined;
readonly unicodeSets?: boolean | undefined;
[Symbol.match]?: {} | undefined;
[Symbol.replace]?: {} | undefined;
[Symbol.search]?: {} | undefined;
[Symbol.split]?: {} | undefined;
[Symbol.matchAll]?: {} | undefined;
} | (string | undefined)[] | {} | undefined;
parse?: string | number | {} | undefined;
} | undefined;
json?: boolean | {
name?: string | undefined;
order?: number | undefined;
allowEmpty?: boolean | undefined;
allowBOM?: boolean | undefined;
encoding?: BufferEncoding | undefined;
canParse?: string | boolean | {
exec?: {} | undefined;
test?: {} | undefined;
readonly source?: string | undefined;
readonly global?: boolean | undefined;
readonly ignoreCase?: boolean | undefined;
readonly multiline?: boolean | undefined;
lastIndex?: number | undefined;
compile?: {} | undefined;
readonly flags?: string | undefined;
readonly sticky?: boolean | undefined;
readonly unicode?: boolean | undefined;
readonly dotAll?: boolean | undefined;
readonly hasIndices?: boolean | undefined;
readonly unicodeSets?: boolean | undefined;
[Symbol.match]?: {} | undefined;
[Symbol.replace]?: {} | undefined;
[Symbol.search]?: {} | undefined;
[Symbol.split]?: {} | undefined;
[Symbol.matchAll]?: {} | undefined;
} | (string | undefined)[] | {} | undefined;
parse?: string | number | {} | undefined;
} | undefined;
yaml?: boolean | {
name?: string | undefined;
order?: number | undefined;
allowEmpty?: boolean | undefined;
allowBOM?: boolean | undefined;
encoding?: BufferEncoding | undefined;
canParse?: string | boolean | {
exec?: {} | undefined;
test?: {} | undefined;
readonly source?: string | undefined;
readonly global?: boolean | undefined;
readonly ignoreCase?: boolean | undefined;
readonly multiline?: boolean | undefined;
lastIndex?: number | undefined;
compile?: {} | undefined;
readonly flags?: string | undefined;
readonly sticky?: boolean | undefined;
readonly unicode?: boolean | undefined;
readonly dotAll?: boolean | undefined;
readonly hasIndices?: boolean | undefined;
readonly unicodeSets?: boolean | undefined;
[Symbol.match]?: {} | undefined;
[Symbol.replace]?: {} | undefined;
[Symbol.search]?: {} | undefined;
[Symbol.split]?: {} | undefined;
[Symbol.matchAll]?: {} | undefined;
} | (string | undefined)[] | {} | undefined;
parse?: string | number | {} | undefined;
} | undefined;
binary?: boolean | {
name?: string | undefined;
order?: number | undefined;
allowEmpty?: boolean | undefined;
allowBOM?: boolean | undefined;
encoding?: BufferEncoding | undefined;
canParse?: string | boolean | {
exec?: {} | undefined;
test?: {} | undefined;
readonly source?: string | undefined;
readonly global?: boolean | undefined;
readonly ignoreCase?: boolean | undefined;
readonly multiline?: boolean | undefined;
lastIndex?: number | undefined;
compile?: {} | undefined;
readonly flags?: string | undefined;
readonly sticky?: boolean | undefined;
readonly unicode?: boolean | undefined;
readonly dotAll?: boolean | undefined;
readonly hasIndices?: boolean | undefined;
readonly unicodeSets?: boolean | undefined;
[Symbol.match]?: {} | undefined;
[Symbol.replace]?: {} | undefined;
[Symbol.search]?: {} | undefined;
[Symbol.split]?: {} | undefined;
[Symbol.matchAll]?: {} | undefined;
} | (string | undefined)[] | {} | undefined;
parse?: string | number | {} | undefined;
} | undefined;
text?: boolean | {
name?: string | undefined;
order?: number | undefined;
allowEmpty?: boolean | undefined;
allowBOM?: boolean | undefined;
encoding?: BufferEncoding | undefined;
canParse?: string | boolean | {
exec?: {} | undefined;
test?: {} | undefined;
readonly source?: string | undefined;
readonly global?: boolean | undefined;
readonly ignoreCase?: boolean | undefined;
readonly multiline?: boolean | undefined;
lastIndex?: number | undefined;
compile?: {} | undefined;
readonly flags?: string | undefined;
readonly sticky?: boolean | undefined;
readonly unicode?: boolean | undefined;
readonly dotAll?: boolean | undefined;
readonly hasIndices?: boolean | undefined;
readonly unicodeSets?: boolean | undefined;
[Symbol.match]?: {} | undefined;
[Symbol.replace]?: {} | undefined;
[Symbol.search]?: {} | undefined;
[Symbol.split]?: {} | undefined;
[Symbol.matchAll]?: {} | undefined;
} | (string | undefined)[] | {} | undefined;
parse?: string | number | {} | undefined;
} | undefined;
} | undefined;
resolve?: {
[x: string]: boolean | {
name?: string | undefined;
order?: number | undefined;
canRead?: string | boolean | {
exec?: {} | undefined;
test?: {} | undefined;
readonly source?: string | undefined;
readonly global?: boolean | undefined;
readonly ignoreCase?: boolean | undefined;
readonly multiline?: boolean | undefined;
lastIndex?: number | undefined;
compile?: {} | undefined;
readonly flags?: string | undefined;
readonly sticky?: boolean | undefined;
readonly unicode?: boolean | undefined;
readonly dotAll?: boolean | undefined;
readonly hasIndices?: boolean | undefined;
readonly unicodeSets?: boolean | undefined;
[Symbol.match]?: {} | undefined;
[Symbol.replace]?: {} | undefined;
[Symbol.search]?: {} | undefined;
[Symbol.split]?: {} | undefined;
[Symbol.matchAll]?: {} | undefined;
} | (string | undefined)[] | {} | undefined;
read?: string | object | {} | undefined;
} | {
headers?: ([(string | undefined)?, (string | undefined)?] | undefined)[] | {
[x: string]: string | undefined;
} | {
append?: {} | undefined;
delete?: {} | undefined;
get?: {} | undefined;
getSetCookie?: {} | undefined;
has?: {} | undefined;
set?: {} | undefined;
forEach?: {} | undefined;
} | null | undefined;
timeout?: number | undefined;
redirects?: number | undefined;
withCredentials?: boolean | undefined;
name?: string | undefined;
order?: number | undefined;
canRead?: string | boolean | {
exec?: {} | undefined;
test?: {} | undefined;
readonly source?: string | undefined;
readonly global?: boolean | undefined;
readonly ignoreCase?: boolean | undefined;
readonly multiline?: boolean | undefined;
lastIndex?: number | undefined;
compile?: {} | undefined;
readonly flags?: string | undefined;
readonly sticky?: boolean | undefined;
readonly unicode?: boolean | undefined;
readonly dotAll?: boolean | undefined;
readonly hasIndices?: boolean | undefined;
readonly unicodeSets?: boolean | undefined;
[Symbol.match]?: {} | undefined;
[Symbol.replace]?: {} | undefined;
[Symbol.search]?: {} | undefined;
[Symbol.split]?: {} | undefined;
[Symbol.matchAll]?: {} | undefined;
} | (string | undefined)[] | {} | undefined;
read?: string | object | {} | undefined;
} | undefined;
external?: boolean | undefined;
file?: boolean | {
name?: string | undefined;
order?: number | undefined;
canRead?: string | boolean | {
exec?: {} | undefined;
test?: {} | undefined;
readonly source?: string | undefined;
readonly global?: boolean | undefined;
readonly ignoreCase?: boolean | undefined;
readonly multiline?: boolean | undefined;
lastIndex?: number | undefined;
compile?: {} | undefined;
readonly flags?: string | undefined;
readonly sticky?: boolean | undefined;
readonly unicode?: boolean | undefined;
readonly dotAll?: boolean | undefined;
readonly hasIndices?: boolean | undefined;
readonly unicodeSets?: boolean | undefined;
[Symbol.match]?: {} | undefined;
[Symbol.replace]?: {} | undefined;
[Symbol.search]?: {} | undefined;
[Symbol.split]?: {} | undefined;
[Symbol.matchAll]?: {} | undefined;
} | (string | undefined)[] | {} | undefined;
read?: string | object | {} | undefined;
} | undefined;
http?: boolean | {
headers?: ([(string | undefined)?, (string | undefined)?] | undefined)[] | {
[x: string]: string | undefined;
} | {
append?: {} | undefined;
delete?: {} | undefined;
get?: {} | undefined;
getSetCookie?: {} | undefined;
has?: {} | undefined;
set?: {} | undefined;
forEach?: {} | undefined;
} | null | undefined;
timeout?: number | undefined;
redirects?: number | undefined;
withCredentials?: boolean | undefined;
name?: string | undefined;
order?: number | undefined;
canRead?: string | boolean | {
exec?: {} | undefined;
test?: {} | undefined;
readonly source?: string | undefined;
readonly global?: boolean | undefined;
readonly ignoreCase?: boolean | undefined;
readonly multiline?: boolean | undefined;
lastIndex?: number | undefined;
compile?: {} | undefined;
readonly flags?: string | undefined;
readonly sticky?: boolean | undefined;
readonly unicode?: boolean | undefined;
readonly dotAll?: boolean | undefined;
readonly hasIndices?: boolean | undefined;
readonly unicodeSets?: boolean | undefined;
[Symbol.match]?: {} | undefined;
[Symbol.replace]?: {} | undefined;
[Symbol.search]?: {} | undefined;
[Symbol.split]?: {} | undefined;
[Symbol.matchAll]?: {} | undefined;
} | (string | undefined)[] | {} | undefined;
read?: string | object | {} | undefined;
} | undefined;
} | undefined;
continueOnError?: boolean | undefined;
dereference?: {
circular?: boolean | "ignore" | undefined;
excludedPathMatcher?: {} | undefined;
onCircular?: {} | undefined;
onDereference?: {} | undefined;
preservedProperties?: (string | undefined)[] | undefined;
externalReferenceResolution?: "relative" | "root" | undefined;
} | undefined;
mutateInputSchema?: boolean | undefined;
timeoutMs?: number | undefined;
}>(options: O | undefined) => O & $RefParserOptions<S>;
export type Options<S extends object = JSONSchema> = $RefParserOptions<S>;
export type ParserOptions<S extends object = JSONSchema> = DeepPartial<$RefParserOptions<S>>;
export default $RefParserOptions;