reflective_exceptions.js

'use strict';"use strict";
var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var collection_1 = require('angular2/src/facade/collection');
var lang_1 = require('angular2/src/facade/lang');
var exceptions_1 = require('angular2/src/facade/exceptions');
function findFirstClosedCycle(keys) {
    var res = [];
    for (var i = 0; i < keys.length; ++i) {
        if (collection_1.ListWrapper.contains(res, keys[i])) {
            res.push(keys[i]);
            return res;
        }
        else {
            res.push(keys[i]);
        }
    }
    return res;
}
function constructResolvingPath(keys) {
    if (keys.length > 1) {
        var reversed = findFirstClosedCycle(collection_1.ListWrapper.reversed(keys));
        var tokenStrs = reversed.map(function (k) { return lang_1.stringify(k.token); });
        return " (" + tokenStrs.join(' -> ') + ")";
    }
    else {
        return "";
    }
}
/**
 * Base class for all errors arising from misconfigured providers.
 */
var AbstractProviderError = (function (_super) {
    __extends(AbstractProviderError, _super);
    function AbstractProviderError(injector, key, constructResolvingMessage) {
        _super.call(this, "DI Exception");
        this.keys = [key];
        this.injectors = [injector];
        this.constructResolvingMessage = constructResolvingMessage;
        this.message = this.constructResolvingMessage(this.keys);
    }
    AbstractProviderError.prototype.addKey = function (injector, key) {
        this.injectors.push(injector);
        this.keys.push(key);
        this.message = this.constructResolvingMessage(this.keys);
    };
    Object.defineProperty(AbstractProviderError.prototype, "context", {
        get: function () { return this.injectors[this.injectors.length - 1].debugContext(); },
        enumerable: true,
        configurable: true
    });
    return AbstractProviderError;
}(exceptions_1.BaseException));
exports.AbstractProviderError = AbstractProviderError;
/**
 * Thrown when trying to retrieve a dependency by `Key` from {@link Injector}, but the
 * {@link Injector} does not have a {@link Provider} for {@link Key}.
 *
 * ### Example ([live demo](http://plnkr.co/edit/vq8D3FRB9aGbnWJqtEPE?p=preview))
 *
 * ```typescript
 * class A {
 *   constructor(b:B) {}
 * }
 *
 * expect(() => Injector.resolveAndCreate([A])).toThrowError();
 * ```
 */
var NoProviderError = (function (_super) {
    __extends(NoProviderError, _super);
    function NoProviderError(injector, key) {
        _super.call(this, injector, key, function (keys) {
            var first = lang_1.stringify(collection_1.ListWrapper.first(keys).token);
            return "No provider for " + first + "!" + constructResolvingPath(keys);
        });
    }
    return NoProviderError;
}(AbstractProviderError));
exports.NoProviderError = NoProviderError;
/**
 * Thrown when dependencies form a cycle.
 *
 * ### Example ([live demo](http://plnkr.co/edit/wYQdNos0Tzql3ei1EV9j?p=info))
 *
 * ```typescript
 * var injector = Injector.resolveAndCreate([
 *   provide("one", {useFactory: (two) => "two", deps: [[new Inject("two")]]}),
 *   provide("two", {useFactory: (one) => "one", deps: [[new Inject("one")]]})
 * ]);
 *
 * expect(() => injector.get("one")).toThrowError();
 * ```
 *
 * Retrieving `A` or `B` throws a `CyclicDependencyError` as the graph above cannot be constructed.
 */
var CyclicDependencyError = (function (_super) {
    __extends(CyclicDependencyError, _super);
    function CyclicDependencyError(injector, key) {
        _super.call(this, injector, key, function (keys) {
            return "Cannot instantiate cyclic dependency!" + constructResolvingPath(keys);
        });
    }
    return CyclicDependencyError;
}(AbstractProviderError));
exports.CyclicDependencyError = CyclicDependencyError;
/**
 * Thrown when a constructing type returns with an Error.
 *
 * The `InstantiationError` class contains the original error plus the dependency graph which caused
 * this object to be instantiated.
 *
 * ### Example ([live demo](http://plnkr.co/edit/7aWYdcqTQsP0eNqEdUAf?p=preview))
 *
 * ```typescript
 * class A {
 *   constructor() {
 *     throw new Error('message');
 *   }
 * }
 *
 * var injector = Injector.resolveAndCreate([A]);

 * try {
 *   injector.get(A);
 * } catch (e) {
 *   expect(e instanceof InstantiationError).toBe(true);
 *   expect(e.originalException.message).toEqual("message");
 *   expect(e.originalStack).toBeDefined();
 * }
 * ```
 */
var InstantiationError = (function (_super) {
    __extends(InstantiationError, _super);
    function InstantiationError(injector, originalException, originalStack, key) {
        _super.call(this, "DI Exception", originalException, originalStack, null);
        this.keys = [key];
        this.injectors = [injector];
    }
    InstantiationError.prototype.addKey = function (injector, key) {
        this.injectors.push(injector);
        this.keys.push(key);
    };
    Object.defineProperty(InstantiationError.prototype, "wrapperMessage", {
        get: function () {
            var first = lang_1.stringify(collection_1.ListWrapper.first(this.keys).token);
            return "Error during instantiation of " + first + "!" + constructResolvingPath(this.keys) + ".";
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(InstantiationError.prototype, "causeKey", {
        get: function () { return this.keys[0]; },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(InstantiationError.prototype, "context", {
        get: function () { return this.injectors[this.injectors.length - 1].debugContext(); },
        enumerable: true,
        configurable: true
    });
    return InstantiationError;
}(exceptions_1.WrappedException));
exports.InstantiationError = InstantiationError;
/**
 * Thrown when an object other then {@link Provider} (or `Type`) is passed to {@link Injector}
 * creation.
 *
 * ### Example ([live demo](http://plnkr.co/edit/YatCFbPAMCL0JSSQ4mvH?p=preview))
 *
 * ```typescript
 * expect(() => Injector.resolveAndCreate(["not a type"])).toThrowError();
 * ```
 */
var InvalidProviderError = (function (_super) {
    __extends(InvalidProviderError, _super);
    function InvalidProviderError(provider) {
        _super.call(this, "Invalid provider - only instances of Provider and Type are allowed, got: " +
            provider.toString());
    }
    return InvalidProviderError;
}(exceptions_1.BaseException));
exports.InvalidProviderError = InvalidProviderError;
/**
 * Thrown when the class has no annotation information.
 *
 * Lack of annotation information prevents the {@link Injector} from determining which dependencies
 * need to be injected into the constructor.
 *
 * ### Example ([live demo](http://plnkr.co/edit/rHnZtlNS7vJOPQ6pcVkm?p=preview))
 *
 * ```typescript
 * class A {
 *   constructor(b) {}
 * }
 *
 * expect(() => Injector.resolveAndCreate([A])).toThrowError();
 * ```
 *
 * This error is also thrown when the class not marked with {@link Injectable} has parameter types.
 *
 * ```typescript
 * class B {}
 *
 * class A {
 *   constructor(b:B) {} // no information about the parameter types of A is available at runtime.
 * }
 *
 * expect(() => Injector.resolveAndCreate([A,B])).toThrowError();
 * ```
 */
var NoAnnotationError = (function (_super) {
    __extends(NoAnnotationError, _super);
    function NoAnnotationError(typeOrFunc, params) {
        _super.call(this, NoAnnotationError._genMessage(typeOrFunc, params));
    }
    NoAnnotationError._genMessage = function (typeOrFunc, params) {
        var signature = [];
        for (var i = 0, ii = params.length; i < ii; i++) {
            var parameter = params[i];
            if (lang_1.isBlank(parameter) || parameter.length == 0) {
                signature.push('?');
            }
            else {
                signature.push(parameter.map(lang_1.stringify).join(' '));
            }
        }
        return "Cannot resolve all parameters for '" + lang_1.stringify(typeOrFunc) + "'(" +
            signature.join(', ') + "). " +
            "Make sure that all the parameters are decorated with Inject or have valid type annotations and that '" +
            lang_1.stringify(typeOrFunc) + "' is decorated with Injectable.";
    };
    return NoAnnotationError;
}(exceptions_1.BaseException));
exports.NoAnnotationError = NoAnnotationError;
/**
 * Thrown when getting an object by index.
 *
 * ### Example ([live demo](http://plnkr.co/edit/bRs0SX2OTQiJzqvjgl8P?p=preview))
 *
 * ```typescript
 * class A {}
 *
 * var injector = Injector.resolveAndCreate([A]);
 *
 * expect(() => injector.getAt(100)).toThrowError();
 * ```
 */
var OutOfBoundsError = (function (_super) {
    __extends(OutOfBoundsError, _super);
    function OutOfBoundsError(index) {
        _super.call(this, "Index " + index + " is out-of-bounds.");
    }
    return OutOfBoundsError;
}(exceptions_1.BaseException));
exports.OutOfBoundsError = OutOfBoundsError;
// TODO: add a working example after alpha38 is released
/**
 * Thrown when a multi provider and a regular provider are bound to the same token.
 *
 * ### Example
 *
 * ```typescript
 * expect(() => Injector.resolveAndCreate([
 *   new Provider("Strings", {useValue: "string1", multi: true}),
 *   new Provider("Strings", {useValue: "string2", multi: false})
 * ])).toThrowError();
 * ```
 */
var MixingMultiProvidersWithRegularProvidersError = (function (_super) {
    __extends(MixingMultiProvidersWithRegularProvidersError, _super);
    function MixingMultiProvidersWithRegularProvidersError(provider1, provider2) {
        _super.call(this, "Cannot mix multi providers and regular providers, got: " + provider1.toString() + " " +
            provider2.toString());
    }
    return MixingMultiProvidersWithRegularProvidersError;
}(exceptions_1.BaseException));
exports.MixingMultiProvidersWithRegularProvidersError = MixingMultiProvidersWithRegularProvidersError;
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{ListWrapper} from 'angular2/src/facade/collection';\nimport {stringify, isBlank} from 'angular2/src/facade/lang';\nimport {BaseException, WrappedException, unimplemented} from 'angular2/src/facade/exceptions';\nimport {ReflectiveKey} from './reflective_key';\nimport {ReflectiveInjector} from './reflective_injector';\n\nfunction findFirstClosedCycle(keys: any[]): any[] {\n  var res = [];\n  for (var i = 0; i < keys.length; ++i) {\n    if (ListWrapper.contains(res, keys[i])) {\n      res.push(keys[i]);\n      return res;\n    } else {\n      res.push(keys[i]);\n    }\n  }\n  return res;\n}\n\nfunction constructResolvingPath(keys: any[]): string {\n  if (keys.length > 1) {\n    var reversed = findFirstClosedCycle(ListWrapper.reversed(keys));\n    var tokenStrs = reversed.map(k => stringify(k.token));\n    return \" (\" + tokenStrs.join(' -> ') + \")\";\n  } else {\n    return \"\";\n  }\n}\n\n\n/**\n * Base class for all errors arising from misconfigured providers.\n */\nexport class AbstractProviderError extends BaseException {\n  /** @internal */\n  message: string;\n\n  /** @internal */\n  keys: ReflectiveKey[];\n\n  /** @internal */\n  injectors: ReflectiveInjector[];\n\n  /** @internal */\n  constructResolvingMessage: Function;\n\n  constructor(injector: ReflectiveInjector, key: ReflectiveKey,\n              constructResolvingMessage: Function) {\n    super(\"DI Exception\");\n    this.keys = [key];\n    this.injectors = [injector];\n    this.constructResolvingMessage = constructResolvingMessage;\n    this.message = this.constructResolvingMessage(this.keys);\n  }\n\n  addKey(injector: ReflectiveInjector, key: ReflectiveKey): void {\n    this.injectors.push(injector);\n    this.keys.push(key);\n    this.message = this.constructResolvingMessage(this.keys);\n  }\n\n  get context() { return this.injectors[this.injectors.length - 1].debugContext(); }\n}\n\n/**\n * Thrown when trying to retrieve a dependency by `Key` from {@link Injector}, but the\n * {@link Injector} does not have a {@link Provider} for {@link Key}.\n *\n * ### Example ([live demo](http://plnkr.co/edit/vq8D3FRB9aGbnWJqtEPE?p=preview))\n *\n * ```typescript\n * class A {\n *   constructor(b:B) {}\n * }\n *\n * expect(() => Injector.resolveAndCreate([A])).toThrowError();\n * ```\n */\nexport class NoProviderError extends AbstractProviderError {\n  constructor(injector: ReflectiveInjector, key: ReflectiveKey) {\n    super(injector, key, function(keys: any[]) {\n      var first = stringify(ListWrapper.first(keys).token);\n      return `No provider for ${first}!${constructResolvingPath(keys)}`;\n    });\n  }\n}\n\n/**\n * Thrown when dependencies form a cycle.\n *\n * ### Example ([live demo](http://plnkr.co/edit/wYQdNos0Tzql3ei1EV9j?p=info))\n *\n * ```typescript\n * var injector = Injector.resolveAndCreate([\n *   provide(\"one\", {useFactory: (two) => \"two\", deps: [[new Inject(\"two\")]]}),\n *   provide(\"two\", {useFactory: (one) => \"one\", deps: [[new Inject(\"one\")]]})\n * ]);\n *\n * expect(() => injector.get(\"one\")).toThrowError();\n * ```\n *\n * Retrieving `A` or `B` throws a `CyclicDependencyError` as the graph above cannot be constructed.\n */\nexport class CyclicDependencyError extends AbstractProviderError {\n  constructor(injector: ReflectiveInjector, key: ReflectiveKey) {\n    super(injector, key, function(keys: any[]) {\n      return `Cannot instantiate cyclic dependency!${constructResolvingPath(keys)}`;\n    });\n  }\n}\n\n/**\n * Thrown when a constructing type returns with an Error.\n *\n * The `InstantiationError` class contains the original error plus the dependency graph which caused\n * this object to be instantiated.\n *\n * ### Example ([live demo](http://plnkr.co/edit/7aWYdcqTQsP0eNqEdUAf?p=preview))\n *\n * ```typescript\n * class A {\n *   constructor() {\n *     throw new Error('message');\n *   }\n * }\n *\n * var injector = Injector.resolveAndCreate([A]);\n\n * try {\n *   injector.get(A);\n * } catch (e) {\n *   expect(e instanceof InstantiationError).toBe(true);\n *   expect(e.originalException.message).toEqual(\"message\");\n *   expect(e.originalStack).toBeDefined();\n * }\n * ```\n */\nexport class InstantiationError extends WrappedException {\n  /** @internal */\n  keys: ReflectiveKey[];\n\n  /** @internal */\n  injectors: ReflectiveInjector[];\n\n  constructor(injector: ReflectiveInjector, originalException, originalStack, key: ReflectiveKey) {\n    super(\"DI Exception\", originalException, originalStack, null);\n    this.keys = [key];\n    this.injectors = [injector];\n  }\n\n  addKey(injector: ReflectiveInjector, key: ReflectiveKey): void {\n    this.injectors.push(injector);\n    this.keys.push(key);\n  }\n\n  get wrapperMessage(): string {\n    var first = stringify(ListWrapper.first(this.keys).token);\n    return `Error during instantiation of ${first}!${constructResolvingPath(this.keys)}.`;\n  }\n\n  get causeKey(): ReflectiveKey { return this.keys[0]; }\n\n  get context() { return this.injectors[this.injectors.length - 1].debugContext(); }\n}\n\n/**\n * Thrown when an object other then {@link Provider} (or `Type`) is passed to {@link Injector}\n * creation.\n *\n * ### Example ([live demo](http://plnkr.co/edit/YatCFbPAMCL0JSSQ4mvH?p=preview))\n *\n * ```typescript\n * expect(() => Injector.resolveAndCreate([\"not a type\"])).toThrowError();\n * ```\n */\nexport class InvalidProviderError extends BaseException {\n  constructor(provider) {\n    super(\"Invalid provider - only instances of Provider and Type are allowed, got: \" +\n          provider.toString());\n  }\n}\n\n/**\n * Thrown when the class has no annotation information.\n *\n * Lack of annotation information prevents the {@link Injector} from determining which dependencies\n * need to be injected into the constructor.\n *\n * ### Example ([live demo](http://plnkr.co/edit/rHnZtlNS7vJOPQ6pcVkm?p=preview))\n *\n * ```typescript\n * class A {\n *   constructor(b) {}\n * }\n *\n * expect(() => Injector.resolveAndCreate([A])).toThrowError();\n * ```\n *\n * This error is also thrown when the class not marked with {@link Injectable} has parameter types.\n *\n * ```typescript\n * class B {}\n *\n * class A {\n *   constructor(b:B) {} // no information about the parameter types of A is available at runtime.\n * }\n *\n * expect(() => Injector.resolveAndCreate([A,B])).toThrowError();\n * ```\n */\nexport class NoAnnotationError extends BaseException {\n  constructor(typeOrFunc, params: any[][]) {\n    super(NoAnnotationError._genMessage(typeOrFunc, params));\n  }\n\n  private static _genMessage(typeOrFunc, params: any[][]) {\n    var signature = [];\n    for (var i = 0, ii = params.length; i < ii; i++) {\n      var parameter = params[i];\n      if (isBlank(parameter) || parameter.length == 0) {\n        signature.push('?');\n      } else {\n        signature.push(parameter.map(stringify).join(' '));\n      }\n    }\n    return \"Cannot resolve all parameters for '\" + stringify(typeOrFunc) + \"'(\" +\n           signature.join(', ') + \"). \" +\n           \"Make sure that all the parameters are decorated with Inject or have valid type annotations and that '\" +\n           stringify(typeOrFunc) + \"' is decorated with Injectable.\";\n  }\n}\n\n/**\n * Thrown when getting an object by index.\n *\n * ### Example ([live demo](http://plnkr.co/edit/bRs0SX2OTQiJzqvjgl8P?p=preview))\n *\n * ```typescript\n * class A {}\n *\n * var injector = Injector.resolveAndCreate([A]);\n *\n * expect(() => injector.getAt(100)).toThrowError();\n * ```\n */\nexport class OutOfBoundsError extends BaseException {\n  constructor(index) { super(`Index ${index} is out-of-bounds.`); }\n}\n\n// TODO: add a working example after alpha38 is released\n/**\n * Thrown when a multi provider and a regular provider are bound to the same token.\n *\n * ### Example\n *\n * ```typescript\n * expect(() => Injector.resolveAndCreate([\n *   new Provider(\"Strings\", {useValue: \"string1\", multi: true}),\n *   new Provider(\"Strings\", {useValue: \"string2\", multi: false})\n * ])).toThrowError();\n * ```\n */\nexport class MixingMultiProvidersWithRegularProvidersError extends BaseException {\n  constructor(provider1, provider2) {\n    super(\"Cannot mix multi providers and regular providers, got: \" + provider1.toString() + \" \" +\n          provider2.toString());\n  }\n}\n"]}