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					155 lines
				
				4.9 KiB
			| 
											3 years ago
										 | "use strict"; | ||
|  | Object.defineProperty(exports, "__esModule", { value: true }); | ||
|  | exports.getSchemaRefs = exports.resolveUrl = exports.normalizeId = exports._getFullPath = exports.getFullPath = exports.inlineRef = void 0; | ||
|  | const util_1 = require("./util"); | ||
|  | const equal = require("fast-deep-equal"); | ||
|  | const traverse = require("json-schema-traverse"); | ||
|  | // 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", | ||
|  | ]); | ||
|  | function inlineRef(schema, limit = true) { | ||
|  |     if (typeof schema == "boolean") | ||
|  |         return true; | ||
|  |     if (limit === true) | ||
|  |         return !hasRef(schema); | ||
|  |     if (!limit) | ||
|  |         return false; | ||
|  |     return countKeys(schema) <= limit; | ||
|  | } | ||
|  | exports.inlineRef = inlineRef; | ||
|  | const REF_KEYWORDS = new Set([ | ||
|  |     "$ref", | ||
|  |     "$recursiveRef", | ||
|  |     "$recursiveAnchor", | ||
|  |     "$dynamicRef", | ||
|  |     "$dynamicAnchor", | ||
|  | ]); | ||
|  | function hasRef(schema) { | ||
|  |     for (const key in schema) { | ||
|  |         if (REF_KEYWORDS.has(key)) | ||
|  |             return true; | ||
|  |         const sch = schema[key]; | ||
|  |         if (Array.isArray(sch) && sch.some(hasRef)) | ||
|  |             return true; | ||
|  |         if (typeof sch == "object" && hasRef(sch)) | ||
|  |             return true; | ||
|  |     } | ||
|  |     return false; | ||
|  | } | ||
|  | function countKeys(schema) { | ||
|  |     let count = 0; | ||
|  |     for (const key in schema) { | ||
|  |         if (key === "$ref") | ||
|  |             return Infinity; | ||
|  |         count++; | ||
|  |         if (SIMPLE_INLINED.has(key)) | ||
|  |             continue; | ||
|  |         if (typeof schema[key] == "object") { | ||
|  |             (0, util_1.eachItem)(schema[key], (sch) => (count += countKeys(sch))); | ||
|  |         } | ||
|  |         if (count === Infinity) | ||
|  |             return Infinity; | ||
|  |     } | ||
|  |     return count; | ||
|  | } | ||
|  | function getFullPath(resolver, id = "", normalize) { | ||
|  |     if (normalize !== false) | ||
|  |         id = normalizeId(id); | ||
|  |     const p = resolver.parse(id); | ||
|  |     return _getFullPath(resolver, p); | ||
|  | } | ||
|  | exports.getFullPath = getFullPath; | ||
|  | function _getFullPath(resolver, p) { | ||
|  |     const serialized = resolver.serialize(p); | ||
|  |     return serialized.split("#")[0] + "#"; | ||
|  | } | ||
|  | exports._getFullPath = _getFullPath; | ||
|  | const TRAILING_SLASH_HASH = /#\/?$/; | ||
|  | function normalizeId(id) { | ||
|  |     return id ? id.replace(TRAILING_SLASH_HASH, "") : ""; | ||
|  | } | ||
|  | exports.normalizeId = normalizeId; | ||
|  | function resolveUrl(resolver, baseId, id) { | ||
|  |     id = normalizeId(id); | ||
|  |     return resolver.resolve(baseId, id); | ||
|  | } | ||
|  | exports.resolveUrl = resolveUrl; | ||
|  | const ANCHOR = /^[a-z_][-a-z0-9._]*$/i; | ||
|  | function getSchemaRefs(schema, baseId) { | ||
|  |     if (typeof schema == "boolean") | ||
|  |         return {}; | ||
|  |     const { schemaId, uriResolver } = this.opts; | ||
|  |     const schId = normalizeId(schema[schemaId] || baseId); | ||
|  |     const baseIds = { "": schId }; | ||
|  |     const pathPrefix = getFullPath(uriResolver, schId, false); | ||
|  |     const localRefs = {}; | ||
|  |     const schemaRefs = 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(ref) { | ||
|  |             // eslint-disable-next-line @typescript-eslint/unbound-method
 | ||
|  |             const _resolve = this.opts.uriResolver.resolve; | ||
|  |             ref = normalizeId(baseId ? _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(anchor) { | ||
|  |             if (typeof anchor == "string") { | ||
|  |                 if (!ANCHOR.test(anchor)) | ||
|  |                     throw new Error(`invalid anchor "${anchor}"`); | ||
|  |                 addRef.call(this, `#${anchor}`); | ||
|  |             } | ||
|  |         } | ||
|  |     }); | ||
|  |     return localRefs; | ||
|  |     function checkAmbiguosRef(sch1, sch2, ref) { | ||
|  |         if (sch2 !== undefined && !equal(sch1, sch2)) | ||
|  |             throw ambiguos(ref); | ||
|  |     } | ||
|  |     function ambiguos(ref) { | ||
|  |         return new Error(`reference "${ref}" resolves to more than one schema`); | ||
|  |     } | ||
|  | } | ||
|  | exports.getSchemaRefs = getSchemaRefs; | ||
|  | //# sourceMappingURL=resolve.js.map
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