Issues arise with file compilation in Angular 5

I want to apologize in advance for my English. I am encountering a problem when running `ng build --prod` on my Angular project. The following errors are being returned: ERROR in Error: Error: Internal error: unknown identifier undefined at Object.importExpr$$1 [as importExpr] (..\node_modules\@angular\compiler\bundles\compiler.umd.js) at tokenExpr (node_modules\@angular\compiler\bundles\compiler.umd.js) at providerDef (node_modules\@angular\compiler\bundles\compiler.umd.js) at node_modules\@angular\compiler\bundles\compiler.umd.js at Array.map (native) at NgModuleCompiler.compile (node_modules\@angular\compiler\bundles\compiler.umd.js) at AotCompiler._compileModule (node_modules\@angular\compiler\bundles\compiler.umd.js) at node_modules\@angular\compiler\bundles\compiler.umd.js at Array.forEach (native) at AotCompiler._compileImplFile (node_modules\@angular\compiler\bundles\compiler.umd.js) at node_modules\@angular\compiler\bundles\compiler.umd.js at Array.map (native) at AotCompiler.emitAllImpls (node_modules\@angular\compiler\bundles\compiler.umd.js) at AngularCompilerProgram.generateFilesForEmit (node_modules\@angular\compiler-cli\src\transformers\program.js) at AngularCompilerProgram.emit (node_modules\@angular\compiler-cli\src\transformers\program.js) at AngularCompilerPlugin._emit (node_modules\@ngtools\webpack\src\angular_compiler_plugin.js)

Below is my package.json:

{
    ...
    "private": true,
    "dependencies": {
        "@angular/animations": "^5.0.0",
        "@angular/cdk": "^5.2.4",
        "@angular/common": "^5.0.0",
        "@angular/compiler": "^5.0.0",
        "@angular/core": "^5.0.0",
        "@angular/forms": "^5.0.0",
        "@angular/http": "^5.0.0",
        "@angular/material": "^5.2.4",
        "@angular/platform-browser": "^5.0.0",
        "@angular/platform-browser-dynamic": "^5.0.0",
        "@angular/platform-server": "^5.0.0",
        "@angular/router": "^5.0.0",
        "core-js": "^2.4.1",
        "rxjs": "^5.5.2",
        "zone.js": "^0.8.14"
    },
    "devDependencies": {
        "@angular/cli": "^1.7.3",
        "@angular/compiler-cli": "^5.0.0",
        "@angular/language-service": "^4.2.4",
        "@types/hammerjs": "^2.0.34",
        "@types/jasmine": "~2.5.53",
        "@types/jasminewd2": "~2.0.2",
        "@types/node": "~6.0.60",
        "ng2-translate": "^5.0.0",
        "protractor": "~5.1.2",
        "ts-node": "~3.2.0",
        "tslint": "~5.7.0",
        "typescript": "2.4.2"
        ...
    }
}

When I use ng serve or ng build, no errors occur. If anyone has faced this issue before, please share how it can be resolved.

angulartypescript

Answer №1

When utilizing ng-package for releasing a repository, it is important to ensure that the root directory of the repo does not contain a dist/ directory. This means that all the final .js & .es5.js files should be located in the root directory of the published repository.

For example, if you have a repository named myRepo, the final structure should look like this:

---myRepo
---------myRepo.js
---------myRepo.es5.js
---------bundles/
---------src/ (contains definition files for components, services, etc)

When incorporating myRepo into another project, as is the scenario here, the import statements should resemble the following:

import {myService} from 'myRepo'
import {myModule} from 'myRepo'

If you execute ng build --prod, there should be no issues encountered.

For more information, please refer to the source

Answer №2

When troubleshooting a project, consider running the command "npm install" in the console. This will update all packages to their latest versions, potentially resolving any issues that may be present.

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