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trouble_shooting_dev.md

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Troubleshooting During Development

Here are a few issues that may present themselves to developers.

Issues running ng serve

  1. Delete node_modules
  2. clear cache npm cache clear --force
  3. reinstall packages npm install
  4. rerun server ng serve

Package issues when running ng serve

Example: When attempting to run the server, there is a issue that presents such as:

SyntaxError: Unexpected token 'if'

or when inspected via a log file:

[error] /Users/bob/projects/cset/CSETWebNg/node_modules/lodash/lodash.js:3980
        if ((key === '__proto__' || key === 'constructor' || key === 'prototype')) {
        ^^
SyntaxError: Unexpected token 'if'
    at wrapSafe (internal/modules/cjs/loader.js:1053:16)
    at Module._compile (internal/modules/cjs/loader.js:1101:27)
    ...

Here the issue is with the package seen: lodash

To fix this simply run: npm install --save lodash

After installing, rerun server: ng serve

To run production locally:

Copy values from

../cset/CSETWebNg/src/environments/environment.ts

into

../cset/CSETWebNg/src/environments/environment.prod.ts

with production: true

then run ng serve --prod

Error within compiling server

Mousetrap Error:

When compiling, an error shows:

ERROR in node_modules/angular2-hotkeys/lib/hotkeys.service.d.ts:10:16 - error TS2304: Cannot find name 'MousetrapInstance'.
10     mousetrap: MousetrapInstance;
                  ~~~~~~~~~~~~~~~~~
** Angular Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **
70% building 504/504 modules 0 active    
    ERROR in node_modules/angular2-hotkeys/lib/hotkeys.service.d.ts:10:16 - error TS2304: Cannot find name 'MousetrapInstance'.
    10     mousetrap: MousetrapInstance;

Fix: open file location at node_modules/angular2-hotkeys/lib/hotkeys.service.d.ts and fix the line where

mousetrap: MousetrapInstance;

to

mousetrap: Mousetrap.MousetrapInstance;

Issues Running CSETWebApi

CSETWebApi not building.

In the Visual Studio Solution Explorer, check under References for missing and out-of-date packages.









Reimport and update packages as needed. Recompile as needed.

CSETWebApi runs but cannot connect to DB

Within ConnectionStrings in appsettings.json check if credentials are set correctly. For local db, the connection string would look as follows.

  "ConnectionStrings": {
    "CSET_DB": "data source=localhost;user id=user;password=password;initial catalog=CSETWeb;persist security info=True;MultipleActiveResultSets=True;"
  }

These settings will connect to a SQL DB running on localhost with created user: user with password: password.

Double check CSET Configuration for configuration.