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- "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 innerBaseId = baseIds[parentJsonPtr];
- if (typeof sch[schemaId] == "string")
- innerBaseId = addRef.call(this, sch[schemaId]);
- addAnchor.call(this, sch.$anchor);
- addAnchor.call(this, sch.$dynamicAnchor);
- baseIds[jsonPtr] = innerBaseId;
- function addRef(ref) {
- // eslint-disable-next-line @typescript-eslint/unbound-method
- const _resolve = this.opts.uriResolver.resolve;
- ref = normalizeId(innerBaseId ? _resolve(innerBaseId, 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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