I've been attempting to incorporate the lodash dependency into my project, but I keep encountering issues during the VS2015 build process. The error message in the build output states "Build: Cannot find module 'lodash'", causing the build to fail due to TypeScript compiler's inability to resolve lodash. Below are the dependencies listed in my package.json:
"dependencies": {
"@angular/common": "2.0.0-rc.3",
"@angular/compiler": "2.0.0-rc.3",
"@angular/core": "2.0.0-rc.3",
"@angular/forms": "0.1.1",
"@angular/http": "2.0.0-rc.3",
"@angular/platform-browser": "2.0.0-rc.3",
"@angular/platform-browser-dynamic": "2.0.0-rc.3",
"@angular/router": "3.0.0-alpha.7",
"@angular/router-deprecated": "2.0.0-rc.2",
"@angular/upgrade": "2.0.0-rc.3",
"systemjs": "0.19.27",
"core-js": "^2.4.0",
"reflect-metadata": "^0.1.3",
"rxjs": "5.0.0-beta.6",
"zone.js": "^0.6.12",
"lodash": "4.13.1",
"angular2-in-memory-web-api": "0.0.12",
"bootstrap": "^3.3.6"
},
"devDependencies": {
"concurrently": "^2.0.0",
"lite-server": "^2.2.0",
"typescript": "^1.8.10",
"typings":"^1.0.4"
}
Furthermore, here is an excerpt from my system.config.js file:
/**
* System configuration for Angular 2 samples
* Adjust as necessary for your application needs.
*/
(function (global) {
// map tells the System loader where to look for things
var map = {
'app': 'app', // 'dist',
'@angular': 'Scripts/npmlibs/@angular',
'angular2-in-memory-web-api': 'Scripts/npmlibs/angular2-in-memory-web-api',
'rxjs': 'Scripts/npmlibs/rxjs',
'lodash': 'Scripts/npmlibs/lodash/lodash.js'
};
// packages tells the System loader how to load when no filename and/or no extension
var packages = {
'app': { main: 'main.js', defaultExtension: 'js' },
'rxjs': { defaultExtension: 'js' },
'angular2-in-memory-web-api': { defaultExtension: 'js' },
'lodash': { defaultExtension: 'js' }
};
// Remaining content of system.config.js has been omitted for brevity
})(this);
Despite troubleshooting by deleting and re-installing the node_modules folder multiple times, restarting VS2015 and the VM, along with ensuring correct paths in system.config.js, the issue persists. I have also copied all necessary dependencies from /node_modules to /Scripts/npmlibs to avoid deploying the excessive amount of files downloaded by npm on our web servers. Unfortunately, the cause of this build failure remains unclear.
If anyone can provide insight or assistance regarding the problem between VS/npm and the failing build, it would be greatly appreciated!