tsconfig-build.json

{
    "compilerOptions": {
        "rootDir": ".",
        "baseUrl": ".",
        "paths": {
            "@angular/*": [
                "node_modules/@angular/*"
            ],
            "leaflet/*": [
                "node_modules/leaflet/*"
            ],
            "rxjs/*": [
                "node_modules/rxjs/*"
            ]
        },
        "outDir": "dist",
        "declaration": true,
        "strict": true,
        "strictNullChecks": false,
        "noImplicitAny": false,
        "moduleResolution": "node",
        "module": "es2015",
        "target": "es2015",
        "typeRoots": [
            "node_modules/@types"
        ],
        "lib": [
            "es2015",
            "dom"
        ],
        "types": [
            "node",
            "jasmine",
            "leaflet",
            "geojson"
        ],
        "skipLibCheck": true,
        "experimentalDecorators": true,
        "emitDecoratorMetadata": true,
        "sourceMap": true,
        "inlineSources": true
    },
    "files": [
        "public_api.ts",
        "node_modules/zone.js/dist/zone.js.d.ts"
    ],
    "angularCompilerOptions": {
        "skipTemplateCodegen": false,
        "annotateForClosureCompiler": true,
        "strictMetadataEmit": true,
        "skipMetadataEmit": true,
        "flatModuleOutFile": "ngx.leaflet.components.js",
        "flatModuleId": "ngx.leaflet.components"
    }
}