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242 lines
9.7 KiB
242 lines
9.7 KiB
3 years ago
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.resolveSchema = exports.getCompilingSchema = exports.resolveRef = exports.compileSchema = exports.SchemaEnv = void 0;
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const codegen_1 = require("./codegen");
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const validation_error_1 = require("../runtime/validation_error");
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const names_1 = require("./names");
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const resolve_1 = require("./resolve");
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const util_1 = require("./util");
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const validate_1 = require("./validate");
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class SchemaEnv {
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constructor(env) {
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var _a;
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this.refs = {};
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this.dynamicAnchors = {};
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let schema;
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if (typeof env.schema == "object")
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schema = env.schema;
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this.schema = env.schema;
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this.schemaId = env.schemaId;
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this.root = env.root || this;
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this.baseId = (_a = env.baseId) !== null && _a !== void 0 ? _a : (0, resolve_1.normalizeId)(schema === null || schema === void 0 ? void 0 : schema[env.schemaId || "$id"]);
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this.schemaPath = env.schemaPath;
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this.localRefs = env.localRefs;
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this.meta = env.meta;
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this.$async = schema === null || schema === void 0 ? void 0 : schema.$async;
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this.refs = {};
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}
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}
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exports.SchemaEnv = SchemaEnv;
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// let codeSize = 0
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// let nodeCount = 0
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// Compiles schema in SchemaEnv
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function compileSchema(sch) {
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// TODO refactor - remove compilations
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const _sch = getCompilingSchema.call(this, sch);
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if (_sch)
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return _sch;
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const rootId = (0, resolve_1.getFullPath)(this.opts.uriResolver, sch.root.baseId); // TODO if getFullPath removed 1 tests fails
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const { es5, lines } = this.opts.code;
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const { ownProperties } = this.opts;
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const gen = new codegen_1.CodeGen(this.scope, { es5, lines, ownProperties });
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let _ValidationError;
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if (sch.$async) {
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_ValidationError = gen.scopeValue("Error", {
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ref: validation_error_1.default,
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code: (0, codegen_1._) `require("ajv/dist/runtime/validation_error").default`,
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});
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}
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const validateName = gen.scopeName("validate");
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sch.validateName = validateName;
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const schemaCxt = {
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gen,
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allErrors: this.opts.allErrors,
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data: names_1.default.data,
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parentData: names_1.default.parentData,
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parentDataProperty: names_1.default.parentDataProperty,
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dataNames: [names_1.default.data],
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dataPathArr: [codegen_1.nil],
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dataLevel: 0,
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dataTypes: [],
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definedProperties: new Set(),
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topSchemaRef: gen.scopeValue("schema", this.opts.code.source === true
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? { ref: sch.schema, code: (0, codegen_1.stringify)(sch.schema) }
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: { ref: sch.schema }),
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validateName,
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ValidationError: _ValidationError,
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schema: sch.schema,
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schemaEnv: sch,
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rootId,
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baseId: sch.baseId || rootId,
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schemaPath: codegen_1.nil,
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errSchemaPath: sch.schemaPath || (this.opts.jtd ? "" : "#"),
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errorPath: (0, codegen_1._) `""`,
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opts: this.opts,
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self: this,
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};
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let sourceCode;
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try {
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this._compilations.add(sch);
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(0, validate_1.validateFunctionCode)(schemaCxt);
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gen.optimize(this.opts.code.optimize);
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// gen.optimize(1)
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const validateCode = gen.toString();
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sourceCode = `${gen.scopeRefs(names_1.default.scope)}return ${validateCode}`;
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// console.log((codeSize += sourceCode.length), (nodeCount += gen.nodeCount))
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if (this.opts.code.process)
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sourceCode = this.opts.code.process(sourceCode, sch);
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// console.log("\n\n\n *** \n", sourceCode)
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const makeValidate = new Function(`${names_1.default.self}`, `${names_1.default.scope}`, sourceCode);
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const validate = makeValidate(this, this.scope.get());
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this.scope.value(validateName, { ref: validate });
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validate.errors = null;
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validate.schema = sch.schema;
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validate.schemaEnv = sch;
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if (sch.$async)
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validate.$async = true;
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if (this.opts.code.source === true) {
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validate.source = { validateName, validateCode, scopeValues: gen._values };
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}
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if (this.opts.unevaluated) {
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const { props, items } = schemaCxt;
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validate.evaluated = {
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props: props instanceof codegen_1.Name ? undefined : props,
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items: items instanceof codegen_1.Name ? undefined : items,
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dynamicProps: props instanceof codegen_1.Name,
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dynamicItems: items instanceof codegen_1.Name,
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};
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if (validate.source)
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validate.source.evaluated = (0, codegen_1.stringify)(validate.evaluated);
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}
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sch.validate = validate;
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return sch;
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}
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catch (e) {
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delete sch.validate;
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delete sch.validateName;
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if (sourceCode)
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this.logger.error("Error compiling schema, function code:", sourceCode);
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// console.log("\n\n\n *** \n", sourceCode, this.opts)
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throw e;
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}
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finally {
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this._compilations.delete(sch);
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}
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}
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exports.compileSchema = compileSchema;
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function resolveRef(root, baseId, ref) {
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var _a;
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ref = (0, resolve_1.resolveUrl)(this.opts.uriResolver, baseId, ref);
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const schOrFunc = root.refs[ref];
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if (schOrFunc)
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return schOrFunc;
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let _sch = resolve.call(this, root, ref);
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if (_sch === undefined) {
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const schema = (_a = root.localRefs) === null || _a === void 0 ? void 0 : _a[ref]; // TODO maybe localRefs should hold SchemaEnv
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const { schemaId } = this.opts;
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if (schema)
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_sch = new SchemaEnv({ schema, schemaId, root, baseId });
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}
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if (_sch === undefined)
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return;
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return (root.refs[ref] = inlineOrCompile.call(this, _sch));
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}
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exports.resolveRef = resolveRef;
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function inlineOrCompile(sch) {
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if ((0, resolve_1.inlineRef)(sch.schema, this.opts.inlineRefs))
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return sch.schema;
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return sch.validate ? sch : compileSchema.call(this, sch);
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}
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// Index of schema compilation in the currently compiled list
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function getCompilingSchema(schEnv) {
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for (const sch of this._compilations) {
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if (sameSchemaEnv(sch, schEnv))
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return sch;
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}
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}
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exports.getCompilingSchema = getCompilingSchema;
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function sameSchemaEnv(s1, s2) {
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return s1.schema === s2.schema && s1.root === s2.root && s1.baseId === s2.baseId;
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}
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// resolve and compile the references ($ref)
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// TODO returns AnySchemaObject (if the schema can be inlined) or validation function
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function resolve(root, // information about the root schema for the current schema
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ref // reference to resolve
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) {
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let sch;
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while (typeof (sch = this.refs[ref]) == "string")
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ref = sch;
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return sch || this.schemas[ref] || resolveSchema.call(this, root, ref);
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}
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// Resolve schema, its root and baseId
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function resolveSchema(root, // root object with properties schema, refs TODO below SchemaEnv is assigned to it
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ref // reference to resolve
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) {
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const p = this.opts.uriResolver.parse(ref);
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const refPath = (0, resolve_1._getFullPath)(this.opts.uriResolver, p);
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let baseId = (0, resolve_1.getFullPath)(this.opts.uriResolver, root.baseId, undefined);
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// TODO `Object.keys(root.schema).length > 0` should not be needed - but removing breaks 2 tests
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if (Object.keys(root.schema).length > 0 && refPath === baseId) {
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return getJsonPointer.call(this, p, root);
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}
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const id = (0, resolve_1.normalizeId)(refPath);
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const schOrRef = this.refs[id] || this.schemas[id];
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if (typeof schOrRef == "string") {
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const sch = resolveSchema.call(this, root, schOrRef);
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if (typeof (sch === null || sch === void 0 ? void 0 : sch.schema) !== "object")
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return;
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return getJsonPointer.call(this, p, sch);
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}
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if (typeof (schOrRef === null || schOrRef === void 0 ? void 0 : schOrRef.schema) !== "object")
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return;
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if (!schOrRef.validate)
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compileSchema.call(this, schOrRef);
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if (id === (0, resolve_1.normalizeId)(ref)) {
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const { schema } = schOrRef;
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const { schemaId } = this.opts;
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const schId = schema[schemaId];
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if (schId)
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baseId = (0, resolve_1.resolveUrl)(this.opts.uriResolver, baseId, schId);
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return new SchemaEnv({ schema, schemaId, root, baseId });
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}
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return getJsonPointer.call(this, p, schOrRef);
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}
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exports.resolveSchema = resolveSchema;
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const PREVENT_SCOPE_CHANGE = new Set([
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"properties",
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"patternProperties",
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"enum",
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"dependencies",
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"definitions",
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]);
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function getJsonPointer(parsedRef, { baseId, schema, root }) {
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var _a;
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if (((_a = parsedRef.fragment) === null || _a === void 0 ? void 0 : _a[0]) !== "/")
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return;
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for (const part of parsedRef.fragment.slice(1).split("/")) {
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if (typeof schema === "boolean")
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return;
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const partSchema = schema[(0, util_1.unescapeFragment)(part)];
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if (partSchema === undefined)
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return;
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schema = partSchema;
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// TODO PREVENT_SCOPE_CHANGE could be defined in keyword def?
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const schId = typeof schema === "object" && schema[this.opts.schemaId];
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if (!PREVENT_SCOPE_CHANGE.has(part) && schId) {
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baseId = (0, resolve_1.resolveUrl)(this.opts.uriResolver, baseId, schId);
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}
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}
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let env;
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if (typeof schema != "boolean" && schema.$ref && !(0, util_1.schemaHasRulesButRef)(schema, this.RULES)) {
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const $ref = (0, resolve_1.resolveUrl)(this.opts.uriResolver, baseId, schema.$ref);
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env = resolveSchema.call(this, root, $ref);
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}
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// even though resolution failed we need to return SchemaEnv to throw exception
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// so that compileAsync loads missing schema.
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const { schemaId } = this.opts;
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env = env || new SchemaEnv({ schema, schemaId, root, baseId });
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if (env.schema !== env.root.schema)
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return env;
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return undefined;
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}
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//# sourceMappingURL=index.js.map
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