npm run-script scriptName
This actually looks for "scriptName" in package.json in "scripts" part of package.json
npm run-script build_dev
"name": "metronic-angular",
"version": "6.1.8",
"description": "Packages used by Angular",
"scripts": {
"ng": "ng",
"start": "node --max_old_space_size=8192 node_modules/@angular/cli/bin/ng serve",
"build": "ng build",
"build_dev": "node --max_old_space_size=8192 node_modules/@angular/cli/bin/ng build --sourceMap=false --base-href=\"/\" --aot --output-hashing none",
"build_qa": "node --max_old_space_size=8192 node_modules/@angular/cli/bin/ng build --configuration=qa --base-href=\"/\" --output-hashing none",
"build_dev2": "node --max_old_space_size=8192 node_modules/@angular/cli/bin/ng build --configuration=dev2 --base-href=\"/\" --output-hashing none",
"build_qa2": "node --max_old_space_size=8192 node_modules/@angular/cli/bin/ng build --configuration=qa2 --base-href=\"/\" --output-hashing none",
"build_stage": "node --max_old_space_size=8192 node_modules/@angular/cli/bin/ng build --configuration=staging --base-href=\"/\" --output-hashing none",
"build_prod": "node --max_old_space_size=8192 node_modules/@angular/cli/bin/ng build --prod --base-href=\"/\" --output-hashing none",
"test": "ng test",
"lint": "ng lint",
"e2e": "ng e2e",
"bundle-report": "webpack-bundle-analyzer dist/stats.json",
"rtl": "webpack"
},
