Unexpected error encountered in Angular 2 beta: IE 10 displays 'Potentially unhandled rejection [3] SyntaxError: Expected'

Question regarding Angular 2 Beta: I am starting off with a general overview in the hopes that this issue is already recognized, and I simply overlooked something during my research. Initially, when Angular 2 Beta.0 was released, I managed to run a basic module in my application using IE10. It displayed "My first module" as expected.

However, upon trying the same code with Angular 2 Beta.1, I encountered the following error, which persists in Angular2 2.0.0-beta.2 & angular2 2.0.0-beta.3:

    EXCEPTION: SyntaxError: Expected ';'

STACKTRACE:

SyntaxError: Expected ';'
   at evalExpression (.../js/angular/angular2/bundles/angular2.dev.js:452:5)
   at _createViewFactoryRuntime (.../js/angular/angular2/bundles/angular2.dev.js:24190:9)
   at Anonymous function (.../js/angular/angular2/bundles/angular2.dev.js:24144:13)
   (and so on...)

(Additional stack trace details may be available)

The JavaScript files being loaded for all versions of Angular 2 Beta are:

<script src="js/angular/es6-shim/es6-shim.min.js"></script>
<script src="js/angular/systemjs/dist/system-polyfills.js"></script>
(and more...)

Update: Sample code snippets from boot.ts and counts.component.ts are provided above for reference.

Initial HTML structure includes script tags to configure SystemJS and display the application.

In conclusion, I am seeking assistance to resolve this known issue or any guidance you can provide based on your expertise. Please let me know if additional information is needed. Thank you!

javascriptangularjsinternet-explorertypescriptangular

Answer №1

Encountering a similar issue, I managed to come up with a simple solution using Plunker. To address the problem, insert the provided code snippet before the es6-shim.min.js script in your Plunker example:

<script>
    if (!Function.name) {
        Object.defineProperty(Function.prototype, "name", {
            get: function () {
              var result = this.toString();
                var results = /function (.{1,})\(/.exec(this.toString());
                return (results && results.length > 1) ? results[1] : result;
            }

        });     
    } else if (navigator.userAgent.indexOf("Trident") != -1) {
        console.warn("QUICK FIX NAME ON FUNCTION IS OBSOLETE.");
    }
</script>

Please note that while this quick fix may offer some relief, it may not completely resolve all compatibility issues between Angular 2 and Internet Explorer.

Answer №2

The problem was fixed in Angular 2.0.0-beta.8 with the addition of:

angular2/es6/dev/src/testing/shims_for_ie.js

No more temporary solutions required.

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