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