diff options
Diffstat (limited to 'sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/resolve.ts')
-rw-r--r-- | sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/resolve.ts | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/resolve.ts b/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/resolve.ts new file mode 100644 index 00000000..9031e039 --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/ajv/lib/compile/resolve.ts @@ -0,0 +1,146 @@ +import type {AnySchema, AnySchemaObject} from "../types" +import type Ajv from "../ajv" +import {eachItem} from "./util" +import * as equal from "fast-deep-equal" +import * as traverse from "json-schema-traverse" +import * as URI from "uri-js" + +// the hash of local references inside the schema (created by getSchemaRefs), used for inline resolution +export type LocalRefs = {[Ref in string]?: AnySchemaObject} + +// TODO refactor to use keyword definitions +const SIMPLE_INLINED = new Set([ + "type", + "format", + "pattern", + "maxLength", + "minLength", + "maxProperties", + "minProperties", + "maxItems", + "minItems", + "maximum", + "minimum", + "uniqueItems", + "multipleOf", + "required", + "enum", + "const", +]) + +export function inlineRef(schema: AnySchema, limit: boolean | number = true): boolean { + if (typeof schema == "boolean") return true + if (limit === true) return !hasRef(schema) + if (!limit) return false + return countKeys(schema) <= limit +} + +const REF_KEYWORDS = new Set([ + "$ref", + "$recursiveRef", + "$recursiveAnchor", + "$dynamicRef", + "$dynamicAnchor", +]) + +function hasRef(schema: AnySchemaObject): boolean { + for (const key in schema) { + if (REF_KEYWORDS.has(key)) return true + const sch = schema[key] + if (Array.isArray(sch) && sch.some(hasRef)) return true + if (typeof sch == "object" && hasRef(sch)) return true + } + return false +} + +function countKeys(schema: AnySchemaObject): number { + let count = 0 + for (const key in schema) { + if (key === "$ref") return Infinity + count++ + if (SIMPLE_INLINED.has(key)) continue + if (typeof schema[key] == "object") { + eachItem(schema[key], (sch) => (count += countKeys(sch))) + } + if (count === Infinity) return Infinity + } + return count +} + +export function getFullPath(id = "", normalize?: boolean): string { + if (normalize !== false) id = normalizeId(id) + const p = URI.parse(id) + return _getFullPath(p) +} + +export function _getFullPath(p: URI.URIComponents): string { + return URI.serialize(p).split("#")[0] + "#" +} + +const TRAILING_SLASH_HASH = /#\/?$/ +export function normalizeId(id: string | undefined): string { + return id ? id.replace(TRAILING_SLASH_HASH, "") : "" +} + +export function resolveUrl(baseId: string, id: string): string { + id = normalizeId(id) + return URI.resolve(baseId, id) +} + +const ANCHOR = /^[a-z_][-a-z0-9._]*$/i + +export function getSchemaRefs(this: Ajv, schema: AnySchema, baseId: string): LocalRefs { + if (typeof schema == "boolean") return {} + const {schemaId} = this.opts + const schId = normalizeId(schema[schemaId] || baseId) + const baseIds: {[JsonPtr in string]?: string} = {"": schId} + const pathPrefix = getFullPath(schId, false) + const localRefs: LocalRefs = {} + const schemaRefs: Set<string> = new Set() + + traverse(schema, {allKeys: true}, (sch, jsonPtr, _, parentJsonPtr) => { + if (parentJsonPtr === undefined) return + const fullPath = pathPrefix + jsonPtr + let baseId = baseIds[parentJsonPtr] + if (typeof sch[schemaId] == "string") baseId = addRef.call(this, sch[schemaId]) + addAnchor.call(this, sch.$anchor) + addAnchor.call(this, sch.$dynamicAnchor) + baseIds[jsonPtr] = baseId + + function addRef(this: Ajv, ref: string): string { + ref = normalizeId(baseId ? URI.resolve(baseId, ref) : ref) + if (schemaRefs.has(ref)) throw ambiguos(ref) + schemaRefs.add(ref) + let schOrRef = this.refs[ref] + if (typeof schOrRef == "string") schOrRef = this.refs[schOrRef] + if (typeof schOrRef == "object") { + checkAmbiguosRef(sch, schOrRef.schema, ref) + } else if (ref !== normalizeId(fullPath)) { + if (ref[0] === "#") { + checkAmbiguosRef(sch, localRefs[ref], ref) + localRefs[ref] = sch + } else { + this.refs[ref] = fullPath + } + } + return ref + } + + function addAnchor(this: Ajv, anchor: unknown): void { + if (typeof anchor == "string") { + if (!ANCHOR.test(anchor)) throw new Error(`invalid anchor "${anchor}"`) + addRef.call(this, `#${anchor}`) + } + } + }) + + return localRefs + + function checkAmbiguosRef(sch1: AnySchema, sch2: AnySchema | undefined, ref: string): void { + if (sch2 !== undefined && !equal(sch1, sch2)) throw ambiguos(ref) + } + + function ambiguos(ref: string): Error { + return new Error(`reference "${ref}" resolves to more than one schema`) + } +} |