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