angular2/src/core/linker/exceptions.js

Angular 2 - a web framework for modern web apps

'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 exceptions_1 = require("angular2/src/facade/exceptions");
/**
 * An error thrown if application changes model breaking the top-down data flow.
 *
 * This exception is only thrown in dev mode.
 *
 * <!-- TODO: Add a link once the dev mode option is configurable -->
 *
 * ### Example
 *
 * ```typescript
 * @Component({
 *   selector: 'parent',
 *   template: `
 *     <child [prop]="parentProp"></child>
 *   `,
 *   directives: [forwardRef(() => Child)]
 * })
 * class Parent {
 *   parentProp = "init";
 * }
 *
 * @Directive({selector: 'child', inputs: ['prop']})
 * class Child {
 *   constructor(public parent: Parent) {}
 *
 *   set prop(v) {
 *     // this updates the parent property, which is disallowed during change detection
 *     // this will result in ExpressionChangedAfterItHasBeenCheckedException
 *     this.parent.parentProp = "updated";
 *   }
 * }
 * ```
 */
var ExpressionChangedAfterItHasBeenCheckedException = (function (_super) {
    __extends(ExpressionChangedAfterItHasBeenCheckedException, _super);
    function ExpressionChangedAfterItHasBeenCheckedException(oldValue, currValue, context) {
        _super.call(this, "Expression has changed after it was checked. " +
            ("Previous value: '" + oldValue + "'. Current value: '" + currValue + "'"));
    }
    return ExpressionChangedAfterItHasBeenCheckedException;
}(exceptions_1.BaseException));
exports.ExpressionChangedAfterItHasBeenCheckedException = ExpressionChangedAfterItHasBeenCheckedException;
/**
 * Thrown when an exception was raised during view creation, change detection or destruction.
 *
 * This error wraps the original exception to attach additional contextual information that can
 * be useful for debugging.
 */
var ViewWrappedException = (function (_super) {
    __extends(ViewWrappedException, _super);
    function ViewWrappedException(originalException, originalStack, context) {
        _super.call(this, "Error in " + context.source, originalException, originalStack, context);
    }
    return ViewWrappedException;
}(exceptions_1.WrappedException));
exports.ViewWrappedException = ViewWrappedException;
/**
 * Thrown when a destroyed view is used.
 *
 * This error indicates a bug in the framework.
 *
 * This is an internal Angular error.
 */
var ViewDestroyedException = (function (_super) {
    __extends(ViewDestroyedException, _super);
    function ViewDestroyedException(details) {
        _super.call(this, "Attempt to use a destroyed view: " + details);
    }
    return ViewDestroyedException;
}(exceptions_1.BaseException));
exports.ViewDestroyedException = ViewDestroyedException;
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