FIN INIT

node_modules/ts-interface-checker/dist/index.d.ts

@@ -0,0 +1,124 @@
+import { ITypeSuite, TType } from "./types";
+import { IErrorDetail } from "./util";
+/**
+ * Export functions used to define interfaces.
+ */
+export { TArray, TEnumType, TEnumLiteral, TFunc, TIface, TLiteral, TName, TOptional, TParam, TParamList, TProp, TTuple, TType, TUnion, TIntersection, array, enumlit, enumtype, func, iface, lit, name, opt, param, tuple, union, intersection, BasicType, ITypeSuite, } from "./types";
+export { VError, IErrorDetail } from './util';
+export interface ICheckerSuite {
+    [name: string]: Checker;
+}
+/**
+ * Takes one of more type suites (e.g. a module generated by `ts-interface-builder`), and combines
+ * them into a suite of interface checkers. If a type is used by name, that name should be present
+ * among the passed-in type suites.
+ *
+ * The returned object maps type names to Checker objects.
+ */
+export declare function createCheckers(...typeSuite: ITypeSuite[]): ICheckerSuite;
+/**
+ * Checker implements validation of objects, and also includes accessors to validate method calls.
+ * Checkers should be created using `createCheckers()`.
+ */
+export declare class Checker {
+    private suite;
+    private ttype;
+    private _path;
+    private props;
+    private checkerPlain;
+    private checkerStrict;
+    constructor(suite: ITypeSuite, ttype: TType, _path?: string);
+    /**
+     * Set the path to report in errors, instead of the default "value". (E.g. if the Checker is for
+     * a "person" interface, set path to "person" to report e.g. "person.name is not a string".)
+     */
+    setReportedPath(path: string): void;
+    /**
+     * Check that the given value satisfies this checker's type, or throw Error.
+     */
+    check(value: any): void;
+    /**
+     * A fast check for whether or not the given value satisfies this Checker's type. This returns
+     * true or false, does not produce an error message, and is fast both on success and on failure.
+     */
+    test(value: any): boolean;
+    /**
+     * Returns an error object describing the errors if the given value does not satisfy this
+     * Checker's type, or null if it does.
+     */
+    validate(value: any): IErrorDetail | null;
+    /**
+     * Check that the given value satisfies this checker's type strictly. This checks that objects
+     * and tuples have no extra members. Note that this prevents backward compatibility, so usually
+     * a plain check() is more appropriate.
+     */
+    strictCheck(value: any): void;
+    /**
+     * A fast strict check for whether or not the given value satisfies this Checker's type. Returns
+     * true or false, does not produce an error message, and is fast both on success and on failure.
+     */
+    strictTest(value: any): boolean;
+    /**
+     * Returns an error object describing the errors if the given value does not satisfy this
+     * Checker's type strictly, or null if it does.
+     */
+    strictValidate(value: any): IErrorDetail | null;
+    /**
+     * If this checker is for an interface, returns a Checker for the type required for the given
+     * property of this interface.
+     */
+    getProp(prop: string): Checker;
+    /**
+     * If this checker is for an interface, returns a Checker for the argument-list required to call
+     * the given method of this interface. E.g. if this Checker is for the interface:
+     *    interface Foo {
+     *      find(s: string, pos?: number): number;
+     *    }
+     * Then methodArgs("find").check(...) will succeed for ["foo"] and ["foo", 3], but not for [17].
+     */
+    methodArgs(methodName: string): Checker;
+    /**
+     * If this checker is for an interface, returns a Checker for the return value of the given
+     * method of this interface.
+     */
+    methodResult(methodName: string): Checker;
+    /**
+     * If this checker is for a function, returns a Checker for its argument-list.
+     */
+    getArgs(): Checker;
+    /**
+     * If this checker is for a function, returns a Checker for its result.
+     */
+    getResult(): Checker;
+    /**
+     * Return the type for which this is a checker.
+     */
+    getType(): TType;
+    /**
+     * Actual implementation of check() and strictCheck().
+     */
+    private _doCheck;
+    private _doValidate;
+    private _getMethod;
+}
+/**
+ * Typed checker interface. Adds type guard functionality to a normal `Checker`.
+ *
+ * To use, cast a `Checker` to a `CheckerT<>` using the appropriate type.
+ *
+ * eg.
+ *   import { MyInterface } from './my-interface';
+ *   import MyInterfaceTi from './my-interface-ti';
+ *
+ *   const checkers = createCheckers(MyInterfaceTi) as {
+ *     MyInterface: CheckerT<MyInterface>
+ *   };
+ *
+ * TODO:
+ * - Enable `check()` and `strictCheck()` type assertion definitions once the functionality
+ *   is correctly working in TypeScript. (https://github.com/microsoft/TypeScript/issues/36931)
+ */
+export interface CheckerT<T> extends Checker {
+    test(value: any): value is T;
+    strictTest(value: any): value is T;
+}

node_modules/ts-interface-checker/dist/index.js

@@ -0,0 +1,224 @@
+"use strict";
+var __spreadArrays = (this && this.__spreadArrays) || function () {
+    for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
+    for (var r = Array(s), k = 0, i = 0; i < il; i++)
+        for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
+            r[k] = a[j];
+    return r;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Checker = exports.createCheckers = void 0;
+var types_1 = require("./types");
+var util_1 = require("./util");
+/**
+ * Export functions used to define interfaces.
+ */
+var types_2 = require("./types");
+Object.defineProperty(exports, "TArray", { enumerable: true, get: function () { return types_2.TArray; } });
+Object.defineProperty(exports, "TEnumType", { enumerable: true, get: function () { return types_2.TEnumType; } });
+Object.defineProperty(exports, "TEnumLiteral", { enumerable: true, get: function () { return types_2.TEnumLiteral; } });
+Object.defineProperty(exports, "TFunc", { enumerable: true, get: function () { return types_2.TFunc; } });
+Object.defineProperty(exports, "TIface", { enumerable: true, get: function () { return types_2.TIface; } });
+Object.defineProperty(exports, "TLiteral", { enumerable: true, get: function () { return types_2.TLiteral; } });
+Object.defineProperty(exports, "TName", { enumerable: true, get: function () { return types_2.TName; } });
+Object.defineProperty(exports, "TOptional", { enumerable: true, get: function () { return types_2.TOptional; } });
+Object.defineProperty(exports, "TParam", { enumerable: true, get: function () { return types_2.TParam; } });
+Object.defineProperty(exports, "TParamList", { enumerable: true, get: function () { return types_2.TParamList; } });
+Object.defineProperty(exports, "TProp", { enumerable: true, get: function () { return types_2.TProp; } });
+Object.defineProperty(exports, "TTuple", { enumerable: true, get: function () { return types_2.TTuple; } });
+Object.defineProperty(exports, "TType", { enumerable: true, get: function () { return types_2.TType; } });
+Object.defineProperty(exports, "TUnion", { enumerable: true, get: function () { return types_2.TUnion; } });
+Object.defineProperty(exports, "TIntersection", { enumerable: true, get: function () { return types_2.TIntersection; } });
+Object.defineProperty(exports, "array", { enumerable: true, get: function () { return types_2.array; } });
+Object.defineProperty(exports, "enumlit", { enumerable: true, get: function () { return types_2.enumlit; } });
+Object.defineProperty(exports, "enumtype", { enumerable: true, get: function () { return types_2.enumtype; } });
+Object.defineProperty(exports, "func", { enumerable: true, get: function () { return types_2.func; } });
+Object.defineProperty(exports, "iface", { enumerable: true, get: function () { return types_2.iface; } });
+Object.defineProperty(exports, "lit", { enumerable: true, get: function () { return types_2.lit; } });
+Object.defineProperty(exports, "name", { enumerable: true, get: function () { return types_2.name; } });
+Object.defineProperty(exports, "opt", { enumerable: true, get: function () { return types_2.opt; } });
+Object.defineProperty(exports, "param", { enumerable: true, get: function () { return types_2.param; } });
+Object.defineProperty(exports, "tuple", { enumerable: true, get: function () { return types_2.tuple; } });
+Object.defineProperty(exports, "union", { enumerable: true, get: function () { return types_2.union; } });
+Object.defineProperty(exports, "intersection", { enumerable: true, get: function () { return types_2.intersection; } });
+Object.defineProperty(exports, "BasicType", { enumerable: true, get: function () { return types_2.BasicType; } });
+var util_2 = require("./util");
+Object.defineProperty(exports, "VError", { enumerable: true, get: function () { return util_2.VError; } });
+/**
+ * Takes one of more type suites (e.g. a module generated by `ts-interface-builder`), and combines
+ * them into a suite of interface checkers. If a type is used by name, that name should be present
+ * among the passed-in type suites.
+ *
+ * The returned object maps type names to Checker objects.
+ */
+function createCheckers() {
+    var typeSuite = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+        typeSuite[_i] = arguments[_i];
+    }
+    var fullSuite = Object.assign.apply(Object, __spreadArrays([{}, types_1.basicTypes], typeSuite));
+    var checkers = {};
+    for (var _a = 0, typeSuite_1 = typeSuite; _a < typeSuite_1.length; _a++) {
+        var suite_1 = typeSuite_1[_a];
+        for (var _b = 0, _c = Object.keys(suite_1); _b < _c.length; _b++) {
+            var name = _c[_b];
+            checkers[name] = new Checker(fullSuite, suite_1[name]);
+        }
+    }
+    return checkers;
+}
+exports.createCheckers = createCheckers;
+/**
+ * Checker implements validation of objects, and also includes accessors to validate method calls.
+ * Checkers should be created using `createCheckers()`.
+ */
+var Checker = /** @class */ (function () {
+    // Create checkers by using `createCheckers()` function.
+    function Checker(suite, ttype, _path) {
+        if (_path === void 0) { _path = 'value'; }
+        this.suite = suite;
+        this.ttype = ttype;
+        this._path = _path;
+        this.props = new Map();
+        if (ttype instanceof types_1.TIface) {
+            for (var _i = 0, _a = ttype.props; _i < _a.length; _i++) {
+                var p = _a[_i];
+                this.props.set(p.name, p.ttype);
+            }
+        }
+        this.checkerPlain = this.ttype.getChecker(suite, false);
+        this.checkerStrict = this.ttype.getChecker(suite, true);
+    }
+    /**
+     * Set the path to report in errors, instead of the default "value". (E.g. if the Checker is for
+     * a "person" interface, set path to "person" to report e.g. "person.name is not a string".)
+     */
+    Checker.prototype.setReportedPath = function (path) {
+        this._path = path;
+    };
+    /**
+     * Check that the given value satisfies this checker's type, or throw Error.
+     */
+    Checker.prototype.check = function (value) { return this._doCheck(this.checkerPlain, value); };
+    /**
+     * A fast check for whether or not the given value satisfies this Checker's type. This returns
+     * true or false, does not produce an error message, and is fast both on success and on failure.
+     */
+    Checker.prototype.test = function (value) {
+        return this.checkerPlain(value, new util_1.NoopContext());
+    };
+    /**
+     * Returns an error object describing the errors if the given value does not satisfy this
+     * Checker's type, or null if it does.
+     */
+    Checker.prototype.validate = function (value) {
+        return this._doValidate(this.checkerPlain, value);
+    };
+    /**
+     * Check that the given value satisfies this checker's type strictly. This checks that objects
+     * and tuples have no extra members. Note that this prevents backward compatibility, so usually
+     * a plain check() is more appropriate.
+     */
+    Checker.prototype.strictCheck = function (value) { return this._doCheck(this.checkerStrict, value); };
+    /**
+     * A fast strict check for whether or not the given value satisfies this Checker's type. Returns
+     * true or false, does not produce an error message, and is fast both on success and on failure.
+     */
+    Checker.prototype.strictTest = function (value) {
+        return this.checkerStrict(value, new util_1.NoopContext());
+    };
+    /**
+     * Returns an error object describing the errors if the given value does not satisfy this
+     * Checker's type strictly, or null if it does.
+     */
+    Checker.prototype.strictValidate = function (value) {
+        return this._doValidate(this.checkerStrict, value);
+    };
+    /**
+     * If this checker is for an interface, returns a Checker for the type required for the given
+     * property of this interface.
+     */
+    Checker.prototype.getProp = function (prop) {
+        var ttype = this.props.get(prop);
+        if (!ttype) {
+            throw new Error("Type has no property " + prop);
+        }
+        return new Checker(this.suite, ttype, this._path + "." + prop);
+    };
+    /**
+     * If this checker is for an interface, returns a Checker for the argument-list required to call
+     * the given method of this interface. E.g. if this Checker is for the interface:
+     *    interface Foo {
+     *      find(s: string, pos?: number): number;
+     *    }
+     * Then methodArgs("find").check(...) will succeed for ["foo"] and ["foo", 3], but not for [17].
+     */
+    Checker.prototype.methodArgs = function (methodName) {
+        var tfunc = this._getMethod(methodName);
+        return new Checker(this.suite, tfunc.paramList);
+    };
+    /**
+     * If this checker is for an interface, returns a Checker for the return value of the given
+     * method of this interface.
+     */
+    Checker.prototype.methodResult = function (methodName) {
+        var tfunc = this._getMethod(methodName);
+        return new Checker(this.suite, tfunc.result);
+    };
+    /**
+     * If this checker is for a function, returns a Checker for its argument-list.
+     */
+    Checker.prototype.getArgs = function () {
+        if (!(this.ttype instanceof types_1.TFunc)) {
+            throw new Error("getArgs() applied to non-function");
+        }
+        return new Checker(this.suite, this.ttype.paramList);
+    };
+    /**
+     * If this checker is for a function, returns a Checker for its result.
+     */
+    Checker.prototype.getResult = function () {
+        if (!(this.ttype instanceof types_1.TFunc)) {
+            throw new Error("getResult() applied to non-function");
+        }
+        return new Checker(this.suite, this.ttype.result);
+    };
+    /**
+     * Return the type for which this is a checker.
+     */
+    Checker.prototype.getType = function () {
+        return this.ttype;
+    };
+    /**
+     * Actual implementation of check() and strictCheck().
+     */
+    Checker.prototype._doCheck = function (checkerFunc, value) {
+        var noopCtx = new util_1.NoopContext();
+        if (!checkerFunc(value, noopCtx)) {
+            var detailCtx = new util_1.DetailContext();
+            checkerFunc(value, detailCtx);
+            throw detailCtx.getError(this._path);
+        }
+    };
+    Checker.prototype._doValidate = function (checkerFunc, value) {
+        var noopCtx = new util_1.NoopContext();
+        if (checkerFunc(value, noopCtx)) {
+            return null;
+        }
+        var detailCtx = new util_1.DetailContext();
+        checkerFunc(value, detailCtx);
+        return detailCtx.getErrorDetail(this._path);
+    };
+    Checker.prototype._getMethod = function (methodName) {
+        var ttype = this.props.get(methodName);
+        if (!ttype) {
+            throw new Error("Type has no property " + methodName);
+        }
+        if (!(ttype instanceof types_1.TFunc)) {
+            throw new Error("Property " + methodName + " is not a method");
+        }
+        return ttype;
+    };
+    return Checker;
+}());
+exports.Checker = Checker;

node_modules/ts-interface-checker/dist/types.d.ts

@@ -0,0 +1,181 @@
+/**
+ * This module defines nodes used to define types and validations for objects and interfaces.
+ */
+import { IContext } from "./util";
+export declare type CheckerFunc = (value: any, ctx: IContext) => boolean;
+/** Node that represents a type. */
+export declare abstract class TType {
+    abstract getChecker(suite: ITypeSuite, strict: boolean, allowedProps?: Set<string>): CheckerFunc;
+}
+/**
+ * Descriptor from which TType may be build (by parseSpec()). A plain string is equivalent to
+ * name(string).
+ */
+export declare type TypeSpec = TType | string;
+/**
+ * Represents a suite of named types. Suites are used to resolve type names.
+ */
+export interface ITypeSuite {
+    [name: string]: TType;
+}
+/**
+ * Defines a type name, either built-in, or defined in this suite. It can typically be included in
+ * the specs as just a plain string.
+ */
+export declare function name(value: string): TName;
+export declare class TName extends TType {
+    name: string;
+    private _failMsg;
+    constructor(name: string);
+    getChecker(suite: ITypeSuite, strict: boolean, allowedProps?: Set<string>): CheckerFunc;
+}
+/**
+ * Defines a literal value, e.g. lit('hello') or lit(123).
+ */
+export declare function lit(value: any): TLiteral;
+export declare class TLiteral extends TType {
+    value: any;
+    name: string;
+    private _failMsg;
+    constructor(value: any);
+    getChecker(suite: ITypeSuite, strict: boolean): CheckerFunc;
+}
+/**
+ * Defines an array type, e.g. array('number').
+ */
+export declare function array(typeSpec: TypeSpec): TArray;
+export declare class TArray extends TType {
+    ttype: TType;
+    constructor(ttype: TType);
+    getChecker(suite: ITypeSuite, strict: boolean): CheckerFunc;
+}
+/**
+ * Defines a tuple type, e.g. tuple('string', 'number').
+ */
+export declare function tuple(...typeSpec: TypeSpec[]): TTuple;
+export declare class TTuple extends TType {
+    ttypes: TType[];
+    constructor(ttypes: TType[]);
+    getChecker(suite: ITypeSuite, strict: boolean): CheckerFunc;
+}
+/**
+ * Defines a union type, e.g. union('number', 'null').
+ */
+export declare function union(...typeSpec: TypeSpec[]): TUnion;
+export declare class TUnion extends TType {
+    ttypes: TType[];
+    private _failMsg;
+    constructor(ttypes: TType[]);
+    getChecker(suite: ITypeSuite, strict: boolean): CheckerFunc;
+}
+/**
+ * Defines an intersection type, e.g. intersection('number', 'null').
+ */
+export declare function intersection(...typeSpec: TypeSpec[]): TIntersection;
+export declare class TIntersection extends TType {
+    ttypes: TType[];
+    constructor(ttypes: TType[]);
+    getChecker(suite: ITypeSuite, strict: boolean): CheckerFunc;
+}
+/**
+ * Defines an enum type, e.g. enum({'A': 1, 'B': 2}).
+ */
+export declare function enumtype(values: {
+    [name: string]: string | number;
+}): TEnumType;
+export declare class TEnumType extends TType {
+    members: {
+        [name: string]: string | number;
+    };
+    readonly validValues: Set<string | number>;
+    private _failMsg;
+    constructor(members: {
+        [name: string]: string | number;
+    });
+    getChecker(suite: ITypeSuite, strict: boolean): CheckerFunc;
+}
+/**
+ * Defines a literal enum value, such as Direction.Up, specified as enumlit("Direction", "Up").
+ */
+export declare function enumlit(name: string, prop: string): TEnumLiteral;
+export declare class TEnumLiteral extends TType {
+    enumName: string;
+    prop: string;
+    private _failMsg;
+    constructor(enumName: string, prop: string);
+    getChecker(suite: ITypeSuite, strict: boolean): CheckerFunc;
+}
+/**
+ * Defines an interface. The first argument is an array of interfaces that it extends, and the
+ * second is an array of properties.
+ */
+export declare function iface(bases: string[], props: {
+    [name: string]: TOptional | TypeSpec;
+}): TIface;
+export declare class TIface extends TType {
+    bases: string[];
+    props: TProp[];
+    private propSet;
+    constructor(bases: string[], props: TProp[]);
+    getChecker(suite: ITypeSuite, strict: boolean, allowedProps?: Set<string>): CheckerFunc;
+}
+/**
+ * Defines an optional property on an interface.
+ */
+export declare function opt(typeSpec: TypeSpec): TOptional;
+export declare class TOptional extends TType {
+    ttype: TType;
+    constructor(ttype: TType);
+    getChecker(suite: ITypeSuite, strict: boolean): CheckerFunc;
+}
+/**
+ * Defines a property in an interface.
+ */
+export declare class TProp {
+    name: string;
+    ttype: TType;
+    isOpt: boolean;
+    constructor(name: string, ttype: TType, isOpt: boolean);
+}
+/**
+ * Defines a function. The first argument declares the function's return type, the rest declare
+ * its parameters.
+ */
+export declare function func(resultSpec: TypeSpec, ...params: TParam[]): TFunc;
+export declare class TFunc extends TType {
+    paramList: TParamList;
+    result: TType;
+    constructor(paramList: TParamList, result: TType);
+    getChecker(suite: ITypeSuite, strict: boolean): CheckerFunc;
+}
+/**
+ * Defines a function parameter.
+ */
+export declare function param(name: string, typeSpec: TypeSpec, isOpt?: boolean): TParam;
+export declare class TParam {
+    name: string;
+    ttype: TType;
+    isOpt: boolean;
+    constructor(name: string, ttype: TType, isOpt: boolean);
+}
+/**
+ * Defines a function parameter list.
+ */
+export declare class TParamList extends TType {
+    params: TParam[];
+    constructor(params: TParam[]);
+    getChecker(suite: ITypeSuite, strict: boolean): CheckerFunc;
+}
+/**
+ * Single TType implementation for all basic built-in types.
+ */
+export declare class BasicType extends TType {
+    validator: (value: any) => boolean;
+    private message;
+    constructor(validator: (value: any) => boolean, message: string);
+    getChecker(suite: ITypeSuite, strict: boolean): CheckerFunc;
+}
+/**
+ * Defines the suite of basic types.
+ */
+export declare const basicTypes: ITypeSuite;

node_modules/ts-interface-checker/dist/types.js

@@ -0,0 +1,566 @@
+"use strict";
+/**
+ * This module defines nodes used to define types and validations for objects and interfaces.
+ */
+// tslint:disable:no-shadowed-variable prefer-for-of
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.basicTypes = exports.BasicType = exports.TParamList = exports.TParam = exports.param = exports.TFunc = exports.func = exports.TProp = exports.TOptional = exports.opt = exports.TIface = exports.iface = exports.TEnumLiteral = exports.enumlit = exports.TEnumType = exports.enumtype = exports.TIntersection = exports.intersection = exports.TUnion = exports.union = exports.TTuple = exports.tuple = exports.TArray = exports.array = exports.TLiteral = exports.lit = exports.TName = exports.name = exports.TType = void 0;
+var util_1 = require("./util");
+/** Node that represents a type. */
+var TType = /** @class */ (function () {
+    function TType() {
+    }
+    return TType;
+}());
+exports.TType = TType;
+/** Parses a type spec into a TType node. */
+function parseSpec(typeSpec) {
+    return typeof typeSpec === "string" ? name(typeSpec) : typeSpec;
+}
+function getNamedType(suite, name) {
+    var ttype = suite[name];
+    if (!ttype) {
+        throw new Error("Unknown type " + name);
+    }
+    return ttype;
+}
+/**
+ * Defines a type name, either built-in, or defined in this suite. It can typically be included in
+ * the specs as just a plain string.
+ */
+function name(value) { return new TName(value); }
+exports.name = name;
+var TName = /** @class */ (function (_super) {
+    __extends(TName, _super);
+    function TName(name) {
+        var _this = _super.call(this) || this;
+        _this.name = name;
+        _this._failMsg = "is not a " + name;
+        return _this;
+    }
+    TName.prototype.getChecker = function (suite, strict, allowedProps) {
+        var _this = this;
+        var ttype = getNamedType(suite, this.name);
+        var checker = ttype.getChecker(suite, strict, allowedProps);
+        if (ttype instanceof BasicType || ttype instanceof TName) {
+            return checker;
+        }
+        // For complex types, add an additional "is not a <Type>" message on failure.
+        return function (value, ctx) { return checker(value, ctx) ? true : ctx.fail(null, _this._failMsg, 0); };
+    };
+    return TName;
+}(TType));
+exports.TName = TName;
+/**
+ * Defines a literal value, e.g. lit('hello') or lit(123).
+ */
+function lit(value) { return new TLiteral(value); }
+exports.lit = lit;
+var TLiteral = /** @class */ (function (_super) {
+    __extends(TLiteral, _super);
+    function TLiteral(value) {
+        var _this = _super.call(this) || this;
+        _this.value = value;
+        _this.name = JSON.stringify(value);
+        _this._failMsg = "is not " + _this.name;
+        return _this;
+    }
+    TLiteral.prototype.getChecker = function (suite, strict) {
+        var _this = this;
+        return function (value, ctx) { return (value === _this.value) ? true : ctx.fail(null, _this._failMsg, -1); };
+    };
+    return TLiteral;
+}(TType));
+exports.TLiteral = TLiteral;
+/**
+ * Defines an array type, e.g. array('number').
+ */
+function array(typeSpec) { return new TArray(parseSpec(typeSpec)); }
+exports.array = array;
+var TArray = /** @class */ (function (_super) {
+    __extends(TArray, _super);
+    function TArray(ttype) {
+        var _this = _super.call(this) || this;
+        _this.ttype = ttype;
+        return _this;
+    }
+    TArray.prototype.getChecker = function (suite, strict) {
+        var itemChecker = this.ttype.getChecker(suite, strict);
+        return function (value, ctx) {
+            if (!Array.isArray(value)) {
+                return ctx.fail(null, "is not an array", 0);
+            }
+            for (var i = 0; i < value.length; i++) {
+                var ok = itemChecker(value[i], ctx);
+                if (!ok) {
+                    return ctx.fail(i, null, 1);
+                }
+            }
+            return true;
+        };
+    };
+    return TArray;
+}(TType));
+exports.TArray = TArray;
+/**
+ * Defines a tuple type, e.g. tuple('string', 'number').
+ */
+function tuple() {
+    var typeSpec = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+        typeSpec[_i] = arguments[_i];
+    }
+    return new TTuple(typeSpec.map(function (t) { return parseSpec(t); }));
+}
+exports.tuple = tuple;
+var TTuple = /** @class */ (function (_super) {
+    __extends(TTuple, _super);
+    function TTuple(ttypes) {
+        var _this = _super.call(this) || this;
+        _this.ttypes = ttypes;
+        return _this;
+    }
+    TTuple.prototype.getChecker = function (suite, strict) {
+        var itemCheckers = this.ttypes.map(function (t) { return t.getChecker(suite, strict); });
+        var checker = function (value, ctx) {
+            if (!Array.isArray(value)) {
+                return ctx.fail(null, "is not an array", 0);
+            }
+            for (var i = 0; i < itemCheckers.length; i++) {
+                var ok = itemCheckers[i](value[i], ctx);
+                if (!ok) {
+                    return ctx.fail(i, null, 1);
+                }
+            }
+            return true;
+        };
+        if (!strict) {
+            return checker;
+        }
+        return function (value, ctx) {
+            if (!checker(value, ctx)) {
+                return false;
+            }
+            return value.length <= itemCheckers.length ? true :
+                ctx.fail(itemCheckers.length, "is extraneous", 2);
+        };
+    };
+    return TTuple;
+}(TType));
+exports.TTuple = TTuple;
+/**
+ * Defines a union type, e.g. union('number', 'null').
+ */
+function union() {
+    var typeSpec = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+        typeSpec[_i] = arguments[_i];
+    }
+    return new TUnion(typeSpec.map(function (t) { return parseSpec(t); }));
+}
+exports.union = union;
+var TUnion = /** @class */ (function (_super) {
+    __extends(TUnion, _super);
+    function TUnion(ttypes) {
+        var _this = _super.call(this) || this;
+        _this.ttypes = ttypes;
+        var names = ttypes.map(function (t) { return t instanceof TName || t instanceof TLiteral ? t.name : null; })
+            .filter(function (n) { return n; });
+        var otherTypes = ttypes.length - names.length;
+        if (names.length) {
+            if (otherTypes > 0) {
+                names.push(otherTypes + " more");
+            }
+            _this._failMsg = "is none of " + names.join(", ");
+        }
+        else {
+            _this._failMsg = "is none of " + otherTypes + " types";
+        }
+        return _this;
+    }
+    TUnion.prototype.getChecker = function (suite, strict) {
+        var _this = this;
+        var itemCheckers = this.ttypes.map(function (t) { return t.getChecker(suite, strict); });
+        return function (value, ctx) {
+            var ur = ctx.unionResolver();
+            for (var i = 0; i < itemCheckers.length; i++) {
+                var ok = itemCheckers[i](value, ur.createContext());
+                if (ok) {
+                    return true;
+                }
+            }
+            ctx.resolveUnion(ur);
+            return ctx.fail(null, _this._failMsg, 0);
+        };
+    };
+    return TUnion;
+}(TType));
+exports.TUnion = TUnion;
+/**
+ * Defines an intersection type, e.g. intersection('number', 'null').
+ */
+function intersection() {
+    var typeSpec = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+        typeSpec[_i] = arguments[_i];
+    }
+    return new TIntersection(typeSpec.map(function (t) { return parseSpec(t); }));
+}
+exports.intersection = intersection;
+var TIntersection = /** @class */ (function (_super) {
+    __extends(TIntersection, _super);
+    function TIntersection(ttypes) {
+        var _this = _super.call(this) || this;
+        _this.ttypes = ttypes;
+        return _this;
+    }
+    TIntersection.prototype.getChecker = function (suite, strict) {
+        var allowedProps = new Set();
+        var itemCheckers = this.ttypes.map(function (t) { return t.getChecker(suite, strict, allowedProps); });
+        return function (value, ctx) {
+            var ok = itemCheckers.every(function (checker) { return checker(value, ctx); });
+            if (ok) {
+                return true;
+            }
+            return ctx.fail(null, null, 0);
+        };
+    };
+    return TIntersection;
+}(TType));
+exports.TIntersection = TIntersection;
+/**
+ * Defines an enum type, e.g. enum({'A': 1, 'B': 2}).
+ */
+function enumtype(values) {
+    return new TEnumType(values);
+}
+exports.enumtype = enumtype;
+var TEnumType = /** @class */ (function (_super) {
+    __extends(TEnumType, _super);
+    function TEnumType(members) {
+        var _this = _super.call(this) || this;
+        _this.members = members;
+        _this.validValues = new Set();
+        _this._failMsg = "is not a valid enum value";
+        _this.validValues = new Set(Object.keys(members).map(function (name) { return members[name]; }));
+        return _this;
+    }
+    TEnumType.prototype.getChecker = function (suite, strict) {
+        var _this = this;
+        return function (value, ctx) {
+            return (_this.validValues.has(value) ? true : ctx.fail(null, _this._failMsg, 0));
+        };
+    };
+    return TEnumType;
+}(TType));
+exports.TEnumType = TEnumType;
+/**
+ * Defines a literal enum value, such as Direction.Up, specified as enumlit("Direction", "Up").
+ */
+function enumlit(name, prop) {
+    return new TEnumLiteral(name, prop);
+}
+exports.enumlit = enumlit;
+var TEnumLiteral = /** @class */ (function (_super) {
+    __extends(TEnumLiteral, _super);
+    function TEnumLiteral(enumName, prop) {
+        var _this = _super.call(this) || this;
+        _this.enumName = enumName;
+        _this.prop = prop;
+        _this._failMsg = "is not " + enumName + "." + prop;
+        return _this;
+    }
+    TEnumLiteral.prototype.getChecker = function (suite, strict) {
+        var _this = this;
+        var ttype = getNamedType(suite, this.enumName);
+        if (!(ttype instanceof TEnumType)) {
+            throw new Error("Type " + this.enumName + " used in enumlit is not an enum type");
+        }
+        var val = ttype.members[this.prop];
+        if (!ttype.members.hasOwnProperty(this.prop)) {
+            throw new Error("Unknown value " + this.enumName + "." + this.prop + " used in enumlit");
+        }
+        return function (value, ctx) { return (value === val) ? true : ctx.fail(null, _this._failMsg, -1); };
+    };
+    return TEnumLiteral;
+}(TType));
+exports.TEnumLiteral = TEnumLiteral;
+function makeIfaceProps(props) {
+    return Object.keys(props).map(function (name) { return makeIfaceProp(name, props[name]); });
+}
+function makeIfaceProp(name, prop) {
+    return prop instanceof TOptional ?
+        new TProp(name, prop.ttype, true) :
+        new TProp(name, parseSpec(prop), false);
+}
+/**
+ * Defines an interface. The first argument is an array of interfaces that it extends, and the
+ * second is an array of properties.
+ */
+function iface(bases, props) {
+    return new TIface(bases, makeIfaceProps(props));
+}
+exports.iface = iface;
+var TIface = /** @class */ (function (_super) {
+    __extends(TIface, _super);
+    function TIface(bases, props) {
+        var _this = _super.call(this) || this;
+        _this.bases = bases;
+        _this.props = props;
+        _this.propSet = new Set(props.map(function (p) { return p.name; }));
+        return _this;
+    }
+    TIface.prototype.getChecker = function (suite, strict, allowedProps) {
+        var _this = this;
+        var baseCheckers = this.bases.map(function (b) { return getNamedType(suite, b).getChecker(suite, strict); });
+        var propCheckers = this.props.map(function (prop) { return prop.ttype.getChecker(suite, strict); });
+        var testCtx = new util_1.NoopContext();
+        // Consider a prop required if it's not optional AND does not allow for undefined as a value.
+        var isPropRequired = this.props.map(function (prop, i) {
+            return !prop.isOpt && !propCheckers[i](undefined, testCtx);
+        });
+        var checker = function (value, ctx) {
+            if (typeof value !== "object" || value === null) {
+                return ctx.fail(null, "is not an object", 0);
+            }
+            for (var i = 0; i < baseCheckers.length; i++) {
+                if (!baseCheckers[i](value, ctx)) {
+                    return false;
+                }
+            }
+            for (var i = 0; i < propCheckers.length; i++) {
+                var name_1 = _this.props[i].name;
+                var v = value[name_1];
+                if (v === undefined) {
+                    if (isPropRequired[i]) {
+                        return ctx.fail(name_1, "is missing", 1);
+                    }
+                }
+                else {
+                    var ok = propCheckers[i](v, ctx);
+                    if (!ok) {
+                        return ctx.fail(name_1, null, 1);
+                    }
+                }
+            }
+            return true;
+        };
+        if (!strict) {
+            return checker;
+        }
+        var propSet = this.propSet;
+        if (allowedProps) {
+            this.propSet.forEach(function (prop) { return allowedProps.add(prop); });
+            propSet = allowedProps;
+        }
+        // In strict mode, check also for unknown enumerable properties.
+        return function (value, ctx) {
+            if (!checker(value, ctx)) {
+                return false;
+            }
+            for (var prop in value) {
+                if (!propSet.has(prop)) {
+                    return ctx.fail(prop, "is extraneous", 2);
+                }
+            }
+            return true;
+        };
+    };
+    return TIface;
+}(TType));
+exports.TIface = TIface;
+/**
+ * Defines an optional property on an interface.
+ */
+function opt(typeSpec) { return new TOptional(parseSpec(typeSpec)); }
+exports.opt = opt;
+var TOptional = /** @class */ (function (_super) {
+    __extends(TOptional, _super);
+    function TOptional(ttype) {
+        var _this = _super.call(this) || this;
+        _this.ttype = ttype;
+        return _this;
+    }
+    TOptional.prototype.getChecker = function (suite, strict) {
+        var itemChecker = this.ttype.getChecker(suite, strict);
+        return function (value, ctx) {
+            return value === undefined || itemChecker(value, ctx);
+        };
+    };
+    return TOptional;
+}(TType));
+exports.TOptional = TOptional;
+/**
+ * Defines a property in an interface.
+ */
+var TProp = /** @class */ (function () {
+    function TProp(name, ttype, isOpt) {
+        this.name = name;
+        this.ttype = ttype;
+        this.isOpt = isOpt;
+    }
+    return TProp;
+}());
+exports.TProp = TProp;
+/**
+ * Defines a function. The first argument declares the function's return type, the rest declare
+ * its parameters.
+ */
+function func(resultSpec) {
+    var params = [];
+    for (var _i = 1; _i < arguments.length; _i++) {
+        params[_i - 1] = arguments[_i];
+    }
+    return new TFunc(new TParamList(params), parseSpec(resultSpec));
+}
+exports.func = func;
+var TFunc = /** @class */ (function (_super) {
+    __extends(TFunc, _super);
+    function TFunc(paramList, result) {
+        var _this = _super.call(this) || this;
+        _this.paramList = paramList;
+        _this.result = result;
+        return _this;
+    }
+    TFunc.prototype.getChecker = function (suite, strict) {
+        return function (value, ctx) {
+            return typeof value === "function" ? true : ctx.fail(null, "is not a function", 0);
+        };
+    };
+    return TFunc;
+}(TType));
+exports.TFunc = TFunc;
+/**
+ * Defines a function parameter.
+ */
+function param(name, typeSpec, isOpt) {
+    return new TParam(name, parseSpec(typeSpec), Boolean(isOpt));
+}
+exports.param = param;
+var TParam = /** @class */ (function () {
+    function TParam(name, ttype, isOpt) {
+        this.name = name;
+        this.ttype = ttype;
+        this.isOpt = isOpt;
+    }
+    return TParam;
+}());
+exports.TParam = TParam;
+/**
+ * Defines a function parameter list.
+ */
+var TParamList = /** @class */ (function (_super) {
+    __extends(TParamList, _super);
+    function TParamList(params) {
+        var _this = _super.call(this) || this;
+        _this.params = params;
+        return _this;
+    }
+    TParamList.prototype.getChecker = function (suite, strict) {
+        var _this = this;
+        var itemCheckers = this.params.map(function (t) { return t.ttype.getChecker(suite, strict); });
+        var testCtx = new util_1.NoopContext();
+        var isParamRequired = this.params.map(function (param, i) {
+            return !param.isOpt && !itemCheckers[i](undefined, testCtx);
+        });
+        var checker = function (value, ctx) {
+            if (!Array.isArray(value)) {
+                return ctx.fail(null, "is not an array", 0);
+            }
+            for (var i = 0; i < itemCheckers.length; i++) {
+                var p = _this.params[i];
+                if (value[i] === undefined) {
+                    if (isParamRequired[i]) {
+                        return ctx.fail(p.name, "is missing", 1);
+                    }
+                }
+                else {
+                    var ok = itemCheckers[i](value[i], ctx);
+                    if (!ok) {
+                        return ctx.fail(p.name, null, 1);
+                    }
+                }
+            }
+            return true;
+        };
+        if (!strict) {
+            return checker;
+        }
+        return function (value, ctx) {
+            if (!checker(value, ctx)) {
+                return false;
+            }
+            return value.length <= itemCheckers.length ? true :
+                ctx.fail(itemCheckers.length, "is extraneous", 2);
+        };
+    };
+    return TParamList;
+}(TType));
+exports.TParamList = TParamList;
+/**
+ * Single TType implementation for all basic built-in types.
+ */
+var BasicType = /** @class */ (function (_super) {
+    __extends(BasicType, _super);
+    function BasicType(validator, message) {
+        var _this = _super.call(this) || this;
+        _this.validator = validator;
+        _this.message = message;
+        return _this;
+    }
+    BasicType.prototype.getChecker = function (suite, strict) {
+        var _this = this;
+        return function (value, ctx) { return _this.validator(value) ? true : ctx.fail(null, _this.message, 0); };
+    };
+    return BasicType;
+}(TType));
+exports.BasicType = BasicType;
+/**
+ * Defines the suite of basic types.
+ */
+exports.basicTypes = {
+    any: new BasicType(function (v) { return true; }, "is invalid"),
+    number: new BasicType(function (v) { return (typeof v === "number"); }, "is not a number"),
+    object: new BasicType(function (v) { return (typeof v === "object" && v); }, "is not an object"),
+    boolean: new BasicType(function (v) { return (typeof v === "boolean"); }, "is not a boolean"),
+    string: new BasicType(function (v) { return (typeof v === "string"); }, "is not a string"),
+    symbol: new BasicType(function (v) { return (typeof v === "symbol"); }, "is not a symbol"),
+    void: new BasicType(function (v) { return (v == null); }, "is not void"),
+    undefined: new BasicType(function (v) { return (v === undefined); }, "is not undefined"),
+    null: new BasicType(function (v) { return (v === null); }, "is not null"),
+    never: new BasicType(function (v) { return false; }, "is unexpected"),
+    Date: new BasicType(getIsNativeChecker("[object Date]"), "is not a Date"),
+    RegExp: new BasicType(getIsNativeChecker("[object RegExp]"), "is not a RegExp"),
+};
+// This approach for checking native object types mirrors that of lodash. Its advantage over
+// `isinstance` is that it can still return true for native objects created in different JS
+// execution environments.
+var nativeToString = Object.prototype.toString;
+function getIsNativeChecker(tag) {
+    return function (v) { return typeof v === "object" && v && nativeToString.call(v) === tag; };
+}
+if (typeof Buffer !== "undefined") {
+    exports.basicTypes.Buffer = new BasicType(function (v) { return Buffer.isBuffer(v); }, "is not a Buffer");
+}
+var _loop_1 = function (array_1) {
+    exports.basicTypes[array_1.name] = new BasicType(function (v) { return (v instanceof array_1); }, "is not a " + array_1.name);
+};
+// Support typed arrays of various flavors
+for (var _i = 0, _a = [Int8Array, Uint8Array, Uint8ClampedArray, Int16Array, Uint16Array,
+    Int32Array, Uint32Array, Float32Array, Float64Array, ArrayBuffer]; _i < _a.length; _i++) {
+    var array_1 = _a[_i];
+    _loop_1(array_1);
+}

node_modules/ts-interface-checker/dist/util.d.ts

@@ -0,0 +1,55 @@
+/**
+ * Error thrown by validation. Besides an informative message, it includes the path to the
+ * property which triggered the failure.
+ */
+export declare class VError extends Error {
+    path: string;
+    constructor(path: string, message: string);
+}
+/**
+ * IContext is used during validation to collect error messages. There is a "noop" fast
+ * implementation that does not pay attention to messages, and a full implementation that does.
+ */
+export interface IContext {
+    fail(relPath: string | number | null, message: string | null, score: number): false;
+    unionResolver(): IUnionResolver;
+    resolveUnion(ur: IUnionResolver): void;
+}
+/**
+ * This helper class is used to collect error messages reported while validating unions.
+ */
+export interface IUnionResolver {
+    createContext(): IContext;
+}
+/**
+ * IErrorDetail describes errors as returned by the validate() and validateStrict() methods.
+ */
+export interface IErrorDetail {
+    path: string;
+    message: string;
+    nested?: IErrorDetail[];
+}
+/**
+ * Fast implementation of IContext used for first-pass validation. If that fails, we can validate
+ * using DetailContext to collect error messages. That's faster for the common case when messages
+ * normally pass validation.
+ */
+export declare class NoopContext implements IContext, IUnionResolver {
+    fail(relPath: string | number | null, message: string | null, score: number): false;
+    unionResolver(): IUnionResolver;
+    createContext(): IContext;
+    resolveUnion(ur: IUnionResolver): void;
+}
+/**
+ * Complete implementation of IContext that collects meaningfull errors.
+ */
+export declare class DetailContext implements IContext {
+    private _propNames;
+    private _messages;
+    private _score;
+    fail(relPath: string | number | null, message: string | null, score: number): false;
+    unionResolver(): IUnionResolver;
+    resolveUnion(unionResolver: IUnionResolver): void;
+    getError(path: string): VError;
+    getErrorDetail(path: string): IErrorDetail | null;
+}

node_modules/ts-interface-checker/dist/util.js

@@ -0,0 +1,130 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.DetailContext = exports.NoopContext = exports.VError = void 0;
+/**
+ * Error thrown by validation. Besides an informative message, it includes the path to the
+ * property which triggered the failure.
+ */
+var VError = /** @class */ (function (_super) {
+    __extends(VError, _super);
+    function VError(path, message) {
+        var _this = _super.call(this, message) || this;
+        _this.path = path;
+        // See https://github.com/Microsoft/TypeScript/wiki/Breaking-Changes#extending-built-ins-like-error-array-and-map-may-no-longer-work for info about this workaround.
+        Object.setPrototypeOf(_this, VError.prototype);
+        return _this;
+    }
+    return VError;
+}(Error));
+exports.VError = VError;
+/**
+ * Fast implementation of IContext used for first-pass validation. If that fails, we can validate
+ * using DetailContext to collect error messages. That's faster for the common case when messages
+ * normally pass validation.
+ */
+var NoopContext = /** @class */ (function () {
+    function NoopContext() {
+    }
+    NoopContext.prototype.fail = function (relPath, message, score) {
+        return false;
+    };
+    NoopContext.prototype.unionResolver = function () { return this; };
+    NoopContext.prototype.createContext = function () { return this; };
+    NoopContext.prototype.resolveUnion = function (ur) { };
+    return NoopContext;
+}());
+exports.NoopContext = NoopContext;
+/**
+ * Complete implementation of IContext that collects meaningfull errors.
+ */
+var DetailContext = /** @class */ (function () {
+    function DetailContext() {
+        // Stack of property names and associated messages for reporting helpful error messages.
+        this._propNames = [""];
+        this._messages = [null];
+        // Score is used to choose the best union member whose DetailContext to use for reporting.
+        // Higher score means better match (or rather less severe mismatch).
+        this._score = 0;
+    }
+    DetailContext.prototype.fail = function (relPath, message, score) {
+        this._propNames.push(relPath);
+        this._messages.push(message);
+        this._score += score;
+        return false;
+    };
+    DetailContext.prototype.unionResolver = function () {
+        return new DetailUnionResolver();
+    };
+    DetailContext.prototype.resolveUnion = function (unionResolver) {
+        var _a, _b;
+        var u = unionResolver;
+        var best = null;
+        for (var _i = 0, _c = u.contexts; _i < _c.length; _i++) {
+            var ctx = _c[_i];
+            if (!best || ctx._score >= best._score) {
+                best = ctx;
+            }
+        }
+        if (best && best._score > 0) {
+            (_a = this._propNames).push.apply(_a, best._propNames);
+            (_b = this._messages).push.apply(_b, best._messages);
+        }
+    };
+    DetailContext.prototype.getError = function (path) {
+        var msgParts = [];
+        for (var i = this._propNames.length - 1; i >= 0; i--) {
+            var p = this._propNames[i];
+            path += (typeof p === "number") ? "[" + p + "]" : (p ? "." + p : "");
+            var m = this._messages[i];
+            if (m) {
+                msgParts.push(path + " " + m);
+            }
+        }
+        return new VError(path, msgParts.join("; "));
+    };
+    DetailContext.prototype.getErrorDetail = function (path) {
+        var details = [];
+        for (var i = this._propNames.length - 1; i >= 0; i--) {
+            var p = this._propNames[i];
+            path += (typeof p === "number") ? "[" + p + "]" : (p ? "." + p : "");
+            var message = this._messages[i];
+            if (message) {
+                details.push({ path: path, message: message });
+            }
+        }
+        var detail = null;
+        for (var i = details.length - 1; i >= 0; i--) {
+            if (detail) {
+                details[i].nested = [detail];
+            }
+            detail = details[i];
+        }
+        return detail;
+    };
+    return DetailContext;
+}());
+exports.DetailContext = DetailContext;
+var DetailUnionResolver = /** @class */ (function () {
+    function DetailUnionResolver() {
+        this.contexts = [];
+    }
+    DetailUnionResolver.prototype.createContext = function () {
+        var ctx = new DetailContext();
+        this.contexts.push(ctx);
+        return ctx;
+    };
+    return DetailUnionResolver;
+}());