Issue with Typescript Application not navigating into the node_modules directory

After attempting to load the app from the root directory of our server, it became clear that this was not a practical solution due to the way our application uses pretty URLs. For instance, trying to access a page with a URL like 

http://www.website.com/modules/worker/person/1/1/1
caused system.js to search in the folder /modules/worker/person/1/1 instead of the root directory.

To address this issue, the decision was made to set baseURL:"/" so that the modules would be loaded correctly based on the root directory.

However, a new problem arose with this solution - node modules were not being loaded properly. Instead of looking in the node_modules directory, system.js was searching in the root directory, resulting in paths like /angular2/http.js instead of /node_modules/angular2/http.js.

Even after switching from "node" module compilation to "classic", the issue persisted. Any ideas on how we should proceed?

javascripttypescriptangular

Answer №1

Below is how I approached solving this issue by utilizing the paths property within the System.config object:

    System.config({
        defaultJSExtensions: true,
        baseURL: "/",
        paths: {
            'modules/worker/*': '/modules/worker/*',
            'angular2/*': '/node_modules/angular2/*',
            'rxjs/*': '/node_modules/rxjs/*',
        },
        packages: {
            modules : {
                worker: {
                    format: 'register',
                    defaultExtension: 'js'
                }
            }
        }
    });
    System.import('modules/worker/main')
            .then(null, console.error.bind(console));

I had to specify direct paths for each external asset that was being loaded outside of main.js in order for them to be correctly accessed. This list may need to be adjusted based on the dependencies of your compiled Typescript classes.

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