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Tue, Feb 4, 21:48

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

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