ng-package.json

{
  "$schema": "./node_modules/ng-packagr/ng-package.schema.json",
  "lib": {
    "entryFile": "./src/lib/index.ts",
    "languageLevel": [
      "dom",
      "es2016"
    ],
    "sassIncludePaths": [
      "./src/lib/core/styles"
    ],
    "externals": {
      "lodash": "_",
      "@angular/flex-layout": "FlexLayoutModule",
      "@angular/material/icon": "MatIconModule",
      "@angular/material": "ng.material",
      "@angular/material/core": "ng.material.core",
      "@angular/material/input": "ng.material.input",
      "@angular/material/button": "ng.material.button",
      "@angular/material/sidenav": "ng.material.sidenav",
      "@angular/material/autocomplete": "ng.material.autocomplete",
      "@angular/material/toolbar": "ng.material.toolbar",
      "@angular/material/dialog": "ng.material.dialog",
      "@angular/material/icon": "ng.material.icon",
      "@angular/material/chips": "ng.material.chips",
      "@angular/material/slide-toggle": "ng.material.slideToggle",
      "@angular/material/slider": "ng.material.slider",
      "@angular/material/checkbox": "ng.material.checkbox",
      "@angular/material/progress-bar": "ng.material.progress-bar",
      "@angular/material/progress-spinner": "ng.material.progress-spinner",
      "@angular/material/tooltip": "ng.material.tooltip",
      "@angular/material/list": "ng.material.list"
    }
  }
}