#
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# Directory Structure

```
├── .gitignore
├── Dockerfile
├── LICENSE
├── package-lock.json
├── package.json
├── README.md
├── smithery.yaml
├── src
│   ├── index.ts
│   └── tools
│       ├── addressSearchByPlaceName.ts
│       ├── directionSearchByAddress.ts
│       ├── directionSearchByCoordinates.ts
│       ├── futureDirectionSearchByCoordinates.ts
│       ├── geocode.ts
│       └── multiDestinationDirectionSearch.ts
└── tsconfig.json
```

# Files

--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------

```
 1 | # Dependencies
 2 | node_modules/
 3 | npm-debug.log*
 4 | yarn-debug.log*
 5 | yarn-error.log*
 6 | 
 7 | # Environment variables
 8 | .env
 9 | .env.local
10 | .env.*.local
11 | 
12 | # Build output
13 | dist/
14 | build/
15 | 
16 | # IDE
17 | .idea/
18 | .vscode/
19 | *.swp
20 | *.swo
21 | 
22 | # OS
23 | .DS_Store
24 | Thumbs.db 
```

--------------------------------------------------------------------------------
/smithery.yaml:
--------------------------------------------------------------------------------

```yaml
 1 | app:
 2 |   name: kakao-mobility-mcp-server
 3 |   version: 1.0.2
 4 | 
 5 | build:
 6 |   type: docker
 7 |   dockerfile: ./Dockerfile
 8 | 
 9 | deploy:
10 |   env:
11 |     - name: KAKAO_REST_API_KEY
12 |       required: true
13 | 
14 |   port: 3000
15 |   
16 |   health:
17 |     path: /health
18 |     port: 3000
19 | 
20 |   resources:
21 |     memory: 512
22 |     cpu: 1 
23 | 
24 | startCommand:
25 |   type: stdio
26 |   configSchema:
27 |     type: object
28 |     properties:
29 |       kakaoRestApiKey:
30 |         type: string
31 |         description: "Kakao REST API 키"
32 |     required:
33 |       - kakaoRestApiKey
34 |   commandFunction: |-
35 |     (config) => ({
36 |       "command": "node",
37 |       "args": [
38 |         "dist/index.js"
39 |       ],
40 |       "env": {
41 |         "KAKAO_REST_API_KEY": config.kakaoRestApiKey
42 |       }
43 |     }) 
44 | 
```

--------------------------------------------------------------------------------
/src/tools/geocode.ts:
--------------------------------------------------------------------------------

```typescript
 1 | import { z } from "zod";
 2 | import dotenv from "dotenv";
 3 | import { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
 4 | dotenv.config();
 5 | 
 6 | export const geocodeSchema = {
 7 |   placeName: z.string(),
 8 | };
 9 | 
10 | export const geocodeHandler = async ({ placeName }: { placeName: string }): Promise<CallToolResult> => {
11 |   const response = await fetch(
12 |     `https://dapi.kakao.com/v2/local/search/address?query=${placeName}`,
13 |     {
14 |       method: "GET",
15 |       headers: {
16 |         "Content-Type": "application/json",
17 |         Authorization: `KakaoAK ${process.env.KAKAO_REST_API_KEY}`,
18 |       },
19 |     }
20 |   );
21 |   const data = await response.json();
22 | 
23 |   return {
24 |     content: [{
25 |       type: "text",
26 |       text: JSON.stringify(data),
27 |     }],
28 |     isError: false,
29 |   };
30 | };
31 | 
```

--------------------------------------------------------------------------------
/src/tools/addressSearchByPlaceName.ts:
--------------------------------------------------------------------------------

```typescript
 1 | import { z } from "zod";
 2 | import dotenv from "dotenv";
 3 | import { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
 4 | dotenv.config();
 5 | 
 6 | export const addressSearchByPlaceNameSchema = {
 7 |   placeName: z.string(),
 8 | };
 9 | 
10 | export const addressSearchByPlaceNameHandler = async ({ placeName }: { placeName: string }): Promise<CallToolResult> => {
11 |   const response = await fetch(
12 |     `https://dapi.kakao.com/v2/local/search/keyword?query=${placeName}`,
13 |     {
14 |       method: "GET",
15 |       headers: {
16 |         "Content-Type": "application/json",
17 |         Authorization: `KakaoAK ${process.env.KAKAO_REST_API_KEY}`,
18 |       },
19 |     }
20 |   );
21 |   const data = await response.json();
22 | 
23 |   return {
24 |     content: [{
25 |       type: "text",
26 |       text: JSON.stringify(data),
27 |     }],
28 |     isError: false,
29 |   };
30 | };
31 | 
```

--------------------------------------------------------------------------------
/package.json:
--------------------------------------------------------------------------------

```json
 1 | {
 2 |   "name": "traffic-data-mcp-server",
 3 |   "version": "1.0.0",
 4 |   "main": "index.js",
 5 |   "scripts": {
 6 |     "test": "echo \"Error: no test specified\" && exit 1",
 7 |     "build": "tsc",
 8 |     "start": "node dist/index.js",
 9 |     "inspect": "npx @modelcontextprotocol/inspector node dist/index.js"
10 |   },
11 |   "repository": {
12 |     "type": "git",
13 |     "url": "git+https://github.com/CaChiJ/traffic-data-mcp-server.git"
14 |   },
15 |   "author": "",
16 |   "license": "ISC",
17 |   "bugs": {
18 |     "url": "https://github.com/CaChiJ/traffic-data-mcp-server/issues"
19 |   },
20 |   "homepage": "https://github.com/CaChiJ/traffic-data-mcp-server#readme",
21 |   "description": "",
22 |   "dependencies": {
23 |     "@modelcontextprotocol/sdk": "^1.8.0",
24 |     "dotenv": "^16.4.7"
25 |   },
26 |   "devDependencies": {
27 |     "@types/node": "^22.14.0",
28 |     "typescript": "^5.8.3"
29 |   }
30 | }
31 | 
```

--------------------------------------------------------------------------------
/src/tools/directionSearchByCoordinates.ts:
--------------------------------------------------------------------------------

```typescript
 1 | import { z } from "zod";
 2 | import dotenv from "dotenv";
 3 | import { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
 4 | dotenv.config();
 5 | 
 6 | export const directionSearchByCoordinatesSchema = {
 7 |   originLongitude: z.number(),
 8 |   originLatitude: z.number(),
 9 |   destLongitude: z.number(),
10 |   destLatitude: z.number(),
11 | };
12 | 
13 | export const directionSearchByCoordinatesHandler = async ({
14 |   originLongitude,
15 |   originLatitude,
16 |   destLongitude,
17 |   destLatitude,
18 | }: {
19 |   originLongitude: number;
20 |   originLatitude: number;
21 |   destLongitude: number;
22 |   destLatitude: number;
23 | }): Promise<CallToolResult> => {
24 |   const response = await fetch(
25 |     `https://apis-navi.kakaomobility.com/v1/directions?origin=${originLongitude},${originLatitude}&destination=${destLongitude},${destLatitude}`,
26 |     {
27 |       method: "GET",
28 |       headers: {
29 |         "Content-Type": "application/json",
30 |         Authorization: `KakaoAK ${process.env.KAKAO_REST_API_KEY}`,
31 |       },
32 |     }
33 |   );
34 | 
35 |   const data = await response.json();
36 |   
37 |   return {
38 |     content: [{
39 |       type: "text",
40 |       text: JSON.stringify(data),
41 |     }],
42 |     isError: false,
43 |   };
44 | };
45 | 
```

--------------------------------------------------------------------------------
/src/tools/futureDirectionSearchByCoordinates.ts:
--------------------------------------------------------------------------------

```typescript
 1 | import { z } from "zod";
 2 | import dotenv from "dotenv";
 3 | import { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
 4 | dotenv.config();
 5 | 
 6 | export const futureDirectionSearchByCoordinatesSchema = {
 7 |   originLatitude: z.number(),
 8 |   originLongitude: z.number(),
 9 |   destinationLatitude: z.number(),
10 |   destinationLongitude: z.number(),
11 |   departureTime: z.string(),
12 |   waypoints: z.string().optional(),
13 |   priority: z.enum(["RECOMMEND", "TIME", "DISTANCE"]).optional(),
14 |   avoid: z.string().optional(),
15 |   roadEvent: z.number().optional(),
16 |   alternatives: z.boolean().optional(),
17 |   roadDetails: z.boolean().optional(),
18 |   carType: z.number().optional(),
19 |   carFuel: z.enum(["GASOLINE", "DIESEL", "LPG"]).optional(),
20 |   carHipass: z.boolean().optional(),
21 |   summary: z.boolean().optional(),
22 | };
23 | 
24 | export const futureDirectionSearchByCoordinatesHandler = async ({
25 |   originLatitude,
26 |   originLongitude,
27 |   destinationLatitude,
28 |   destinationLongitude,
29 |   departureTime,
30 |   waypoints,
31 |   priority,
32 |   avoid,
33 |   roadEvent,
34 |   alternatives,
35 |   roadDetails,
36 |   carType,
37 |   carFuel,
38 |   carHipass,
39 |   summary,
40 | }: {
41 |   originLatitude: number;
42 |   originLongitude: number;
43 |   destinationLatitude: number;
44 |   destinationLongitude: number;
45 |   departureTime: string;
46 |   waypoints?: string;
47 |   priority?: string;
48 |   avoid?: string;
49 |   roadEvent?: number;
50 |   alternatives?: boolean;
51 |   roadDetails?: boolean;
52 |   carType?: number;
53 |   carFuel?: string;
54 |   carHipass?: boolean;
55 |   summary?: boolean;
56 | }): Promise<CallToolResult> => {
57 |   let url = `https://apis-navi.kakaomobility.com/v1/future/directions?origin=${originLongitude},${originLatitude}&destination=${destinationLongitude},${destinationLatitude}&departure_time=${departureTime}`;
58 | 
59 |   if (waypoints) url += `&waypoints=${waypoints}`;
60 |   if (priority) url += `&priority=${priority}`;
61 |   if (avoid) url += `&avoid=${avoid}`;
62 |   if (roadEvent !== undefined) url += `&roadevent=${roadEvent}`;
63 |   if (alternatives !== undefined) url += `&alternatives=${alternatives}`;
64 |   if (roadDetails !== undefined) url += `&road_details=${roadDetails}`;
65 |   if (carType !== undefined) url += `&car_type=${carType}`;
66 |   if (carFuel) url += `&car_fuel=${carFuel}`;
67 |   if (carHipass !== undefined) url += `&car_hipass=${carHipass}`;
68 |   if (summary !== undefined) url += `&summary=${summary}`;
69 | 
70 |   const response = await fetch(url, {
71 |     method: "GET",
72 |     headers: {
73 |       "Content-Type": "application/json",
74 |       Authorization: `KakaoAK ${process.env.KAKAO_REST_API_KEY}`,
75 |     },
76 |   });
77 | 
78 |   const data = await response.json();
79 |   
80 |   return {
81 |     content: [{
82 |       type: "text",
83 |       text: JSON.stringify(data),
84 |     }],
85 |     isError: false,
86 |   };
87 | };
88 | 
```

--------------------------------------------------------------------------------
/src/tools/directionSearchByAddress.ts:
--------------------------------------------------------------------------------

```typescript
  1 | import { z } from "zod";
  2 | import dotenv from "dotenv";
  3 | import { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
  4 | dotenv.config();
  5 | 
  6 | export const directionSearchByAddressSchema = {
  7 |   originAddress: z.string(),
  8 |   destAddress: z.string(),
  9 | };
 10 | 
 11 | export const directionSearchByAddressHandler = async ({
 12 |   originAddress,
 13 |   destAddress,
 14 | }: {
 15 |   originAddress: string;
 16 |   destAddress: string;
 17 | }): Promise<CallToolResult> => {
 18 |   const [originResult, destResult]: [any, any] = await Promise.all([
 19 |     (async () => {
 20 |       const response = await fetch(
 21 |         `https://dapi.kakao.com/v2/local/search/address?query=${originAddress}`,
 22 |         {
 23 |           method: "GET",
 24 |           headers: {
 25 |             "Content-Type": "application/json",
 26 |             Authorization: `KakaoAK ${process.env.KAKAO_REST_API_KEY}`,
 27 |           },
 28 |         }
 29 |       );
 30 |       if (!response.ok) {
 31 |         throw new Error(
 32 |           `Kakao geocode API request failed for origin: ${response.statusText}`
 33 |         );
 34 |       }
 35 |       const data = await response.json();
 36 |       return data;
 37 |     })(),
 38 |     (async () => {
 39 |       const response = await fetch(
 40 |         `https://dapi.kakao.com/v2/local/search/address?query=${destAddress}`,
 41 |         {
 42 |           method: "GET",
 43 |           headers: {
 44 |             "Content-Type": "application/json",
 45 |             Authorization: `KakaoAK ${process.env.KAKAO_REST_API_KEY}`,
 46 |           },
 47 |         }
 48 |       );
 49 |       if (!response.ok) {
 50 |         throw new Error(
 51 |           `Kakao geocode API request failed for destination: ${response.statusText}`
 52 |         );
 53 |       }
 54 |       const data = await response.json();
 55 |       return data;
 56 |     })(),
 57 |   ]);
 58 | 
 59 |   // Add basic error handling for geocoding results
 60 |   if (
 61 |     !originResult?.documents?.[0]?.x ||
 62 |     !originResult?.documents?.[0]?.y ||
 63 |     !destResult?.documents?.[0]?.x ||
 64 |     !destResult?.documents?.[0]?.y
 65 |   ) {
 66 |     // Consider returning a more informative error structure for MCP
 67 |     return {
 68 |       content: [{
 69 |         type: "text",
 70 |         text: "Geocoding failed or returned incomplete data for one or both locations.",
 71 |       }],
 72 |       isError: true,
 73 |     };
 74 |   }
 75 | 
 76 |   const originLongitude = originResult.documents[0].x;
 77 |   const originLatitude = originResult.documents[0].y;
 78 |   const destLongitude = destResult.documents[0].x;
 79 |   const destLatitude = destResult.documents[0].y;
 80 | 
 81 |   const response = await fetch(
 82 |     `https://apis-navi.kakaomobility.com/v1/directions?origin=${originLongitude},${originLatitude}&destination=${destLongitude},${destLatitude}`,
 83 |     {
 84 |       method: "GET",
 85 |       headers: {
 86 |         "Content-Type": "application/json",
 87 |         Authorization: `KakaoAK ${process.env.KAKAO_REST_API_KEY}`,
 88 |       },
 89 |     }
 90 |   );
 91 | 
 92 |   const data = await response.json();
 93 |   
 94 |   return {
 95 |     content: [{
 96 |       type: "text",
 97 |       text: JSON.stringify(data),
 98 |     }],
 99 |     isError: false,
100 |   };
101 | };
102 | 
```

--------------------------------------------------------------------------------
/src/index.ts:
--------------------------------------------------------------------------------

```typescript
 1 | import {
 2 |   McpServer,
 3 |   ResourceTemplate,
 4 | } from "@modelcontextprotocol/sdk/server/mcp.js";
 5 | import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
 6 | import dotenv from "dotenv";
 7 | dotenv.config();
 8 | 
 9 | import { directionSearchByCoordinatesSchema, directionSearchByCoordinatesHandler } from "./tools/directionSearchByCoordinates.js";
10 | import { directionSearchByAddressSchema, directionSearchByAddressHandler } from "./tools/directionSearchByAddress.js";
11 | import { addressSearchByPlaceNameSchema, addressSearchByPlaceNameHandler } from "./tools/addressSearchByPlaceName.js";
12 | import { geocodeSchema, geocodeHandler } from "./tools/geocode.js";
13 | import { futureDirectionSearchByCoordinatesSchema, futureDirectionSearchByCoordinatesHandler } from "./tools/futureDirectionSearchByCoordinates.js";
14 | import { multiDestinationDirectionSearchSchema, multiDestinationDirectionSearchHandler } from "./tools/multiDestinationDirectionSearch.js";
15 | 
16 | // Create an MCP server
17 | const server = new McpServer({
18 |   name: "Traffic Data MCP Server",
19 |   version: "1.0.2",
20 | });
21 | 
22 | // Register tools
23 | server.tool(
24 |   "direction_search_by_coords",
25 |   "Search for directions between two points using their coordinates (longitude and latitude). This tool provides navigation information including distance, duration, and route details.",
26 |   directionSearchByCoordinatesSchema,
27 |   directionSearchByCoordinatesHandler
28 | );
29 | 
30 | server.tool(
31 |   "direction_search_by_address",
32 |   "Search for directions between two locations using their addresses. The tool first geocodes the addresses to coordinates, then finds the optimal route between them.",
33 |   directionSearchByAddressSchema,
34 |   directionSearchByAddressHandler
35 | );
36 | 
37 | server.tool(
38 |   "address_search_by_place_name",
39 |   "Search for addresses using a place name or keyword. Returns detailed location information including coordinates and address details.",
40 |   addressSearchByPlaceNameSchema,
41 |   addressSearchByPlaceNameHandler
42 | );
43 | 
44 | server.tool(
45 |   "geocode",
46 |   "Convert an address into geographic coordinates (geocoding). Returns the exact location coordinates and address details for the given place name.",
47 |   geocodeSchema,
48 |   geocodeHandler
49 | );
50 | 
51 | server.tool(
52 |   "future_direction_search_by_coords",
53 |   "Search for directions with future departure time. Provides navigation information considering traffic predictions for a specific future time. Supports various options like waypoints, route preferences, and vehicle details.",
54 |   futureDirectionSearchByCoordinatesSchema,
55 |   futureDirectionSearchByCoordinatesHandler
56 | );
57 | 
58 | server.tool(
59 |   "multi_destination_direction_search",
60 |   "Search for directions between a starting point and multiple destinations with coordinates. Returns a summary of the route including distance, duration, and route details. For detailed route information, additional calls to the car navigation API are required.",
61 |   multiDestinationDirectionSearchSchema,
62 |   multiDestinationDirectionSearchHandler
63 | );
64 | 
65 | 
66 | (async () => {
67 |   const transport = new StdioServerTransport();
68 |   await server.connect(transport);
69 | })();
70 | 
```

--------------------------------------------------------------------------------
/tsconfig.json:
--------------------------------------------------------------------------------

```json
  1 | {
  2 |   "compilerOptions": {
  3 |     /* Visit https://aka.ms/tsconfig to read more about this file */
  4 | 
  5 |     /* Projects */
  6 |     // "incremental": true,                              /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
  7 |     // "composite": true,                                /* Enable constraints that allow a TypeScript project to be used with project references. */
  8 |     // "tsBuildInfoFile": "./.tsbuildinfo",              /* Specify the path to .tsbuildinfo incremental compilation file. */
  9 |     // "disableSourceOfProjectReferenceRedirect": true,  /* Disable preferring source files instead of declaration files when referencing composite projects. */
 10 |     // "disableSolutionSearching": true,                 /* Opt a project out of multi-project reference checking when editing. */
 11 |     // "disableReferencedProjectLoad": true,             /* Reduce the number of projects loaded automatically by TypeScript. */
 12 | 
 13 |     /* Language and Environment */
 14 |     "target": "es2017",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
 15 |     // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
 16 |     // "jsx": "preserve",                                /* Specify what JSX code is generated. */
 17 |     // "libReplacement": true,                           /* Enable lib replacement. */
 18 |     // "experimentalDecorators": true,                   /* Enable experimental support for legacy experimental decorators. */
 19 |     // "emitDecoratorMetadata": true,                    /* Emit design-type metadata for decorated declarations in source files. */
 20 |     // "jsxFactory": "",                                 /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */
 21 |     // "jsxFragmentFactory": "",                         /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
 22 |     // "jsxImportSource": "",                            /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */
 23 |     // "reactNamespace": "",                             /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */
 24 |     // "noLib": true,                                    /* Disable including any library files, including the default lib.d.ts. */
 25 |     // "useDefineForClassFields": true,                  /* Emit ECMAScript-standard-compliant class fields. */
 26 |     // "moduleDetection": "auto",                        /* Control what method is used to detect module-format JS files. */
 27 | 
 28 |     /* Modules */
 29 |     "module": "nodenext",                                /* Specify what module code is generated. */
 30 |     // "rootDir": "./",                                  /* Specify the root folder within your source files. */
 31 |     "moduleResolution": "nodenext",                     /* Specify how TypeScript looks up a file from a given module specifier. */
 32 |     // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
 33 |     // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
 34 |     // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
 35 |     // "typeRoots": [],                                  /* Specify multiple folders that act like './node_modules/@types'. */
 36 |     // "types": [],                                      /* Specify type package names to be included without being referenced in a source file. */
 37 |     // "allowUmdGlobalAccess": true,                     /* Allow accessing UMD globals from modules. */
 38 |     // "moduleSuffixes": [],                             /* List of file name suffixes to search when resolving a module. */
 39 |     // "allowImportingTsExtensions": true,               /* Allow imports to include TypeScript file extensions. Requires '--moduleResolution bundler' and either '--noEmit' or '--emitDeclarationOnly' to be set. */
 40 |     // "rewriteRelativeImportExtensions": true,          /* Rewrite '.ts', '.tsx', '.mts', and '.cts' file extensions in relative import paths to their JavaScript equivalent in output files. */
 41 |     // "resolvePackageJsonExports": true,                /* Use the package.json 'exports' field when resolving package imports. */
 42 |     // "resolvePackageJsonImports": true,                /* Use the package.json 'imports' field when resolving imports. */
 43 |     // "customConditions": [],                           /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */
 44 |     // "noUncheckedSideEffectImports": true,             /* Check side effect imports. */
 45 |     // "resolveJsonModule": true,                        /* Enable importing .json files. */
 46 |     // "allowArbitraryExtensions": true,                 /* Enable importing files with any extension, provided a declaration file is present. */
 47 |     // "noResolve": true,                                /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
 48 | 
 49 |     /* JavaScript Support */
 50 |     // "allowJs": true,                                  /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
 51 |     // "checkJs": true,                                  /* Enable error reporting in type-checked JavaScript files. */
 52 |     // "maxNodeModuleJsDepth": 1,                        /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
 53 | 
 54 |     /* Emit */
 55 |     // "declaration": true,                              /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
 56 |     // "declarationMap": true,                           /* Create sourcemaps for d.ts files. */
 57 |     // "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
 58 |     // "sourceMap": true,                                /* Create source map files for emitted JavaScript files. */
 59 |     // "inlineSourceMap": true,                          /* Include sourcemap files inside the emitted JavaScript. */
 60 |     // "noEmit": true,                                   /* Disable emitting files from a compilation. */
 61 |     // "outFile": "./",                                  /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
 62 |     "outDir": "./dist",                                   /* Specify an output folder for all emitted files. */
 63 |     // "removeComments": true,                           /* Disable emitting comments. */
 64 |     // "importHelpers": true,                            /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
 65 |     // "downlevelIteration": true,                       /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
 66 |     // "sourceRoot": "",                                 /* Specify the root path for debuggers to find the reference source code. */
 67 |     // "mapRoot": "",                                    /* Specify the location where debugger should locate map files instead of generated locations. */
 68 |     // "inlineSources": true,                            /* Include source code in the sourcemaps inside the emitted JavaScript. */
 69 |     // "emitBOM": true,                                  /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
 70 |     // "newLine": "crlf",                                /* Set the newline character for emitting files. */
 71 |     // "stripInternal": true,                            /* Disable emitting declarations that have '@internal' in their JSDoc comments. */
 72 |     // "noEmitHelpers": true,                            /* Disable generating custom helper functions like '__extends' in compiled output. */
 73 |     // "noEmitOnError": true,                            /* Disable emitting files if any type checking errors are reported. */
 74 |     // "preserveConstEnums": true,                       /* Disable erasing 'const enum' declarations in generated code. */
 75 |     // "declarationDir": "./",                           /* Specify the output directory for generated declaration files. */
 76 | 
 77 |     /* Interop Constraints */
 78 |     // "isolatedModules": true,                          /* Ensure that each file can be safely transpiled without relying on other imports. */
 79 |     // "verbatimModuleSyntax": true,                     /* Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting. */
 80 |     // "isolatedDeclarations": true,                     /* Require sufficient annotation on exports so other tools can trivially generate declaration files. */
 81 |     // "erasableSyntaxOnly": true,                       /* Do not allow runtime constructs that are not part of ECMAScript. */
 82 |     // "allowSyntheticDefaultImports": true,             /* Allow 'import x from y' when a module doesn't have a default export. */
 83 |     "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
 84 |     // "preserveSymlinks": true,                         /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
 85 |     "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
 86 | 
 87 |     /* Type Checking */
 88 |     "strict": true,                                      /* Enable all strict type-checking options. */
 89 |     // "noImplicitAny": true,                            /* Enable error reporting for expressions and declarations with an implied 'any' type. */
 90 |     // "strictNullChecks": true,                         /* When type checking, take into account 'null' and 'undefined'. */
 91 |     // "strictFunctionTypes": true,                      /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
 92 |     // "strictBindCallApply": true,                      /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
 93 |     // "strictPropertyInitialization": true,             /* Check for class properties that are declared but not set in the constructor. */
 94 |     // "strictBuiltinIteratorReturn": true,              /* Built-in iterators are instantiated with a 'TReturn' type of 'undefined' instead of 'any'. */
 95 |     // "noImplicitThis": true,                           /* Enable error reporting when 'this' is given the type 'any'. */
 96 |     // "useUnknownInCatchVariables": true,               /* Default catch clause variables as 'unknown' instead of 'any'. */
 97 |     // "alwaysStrict": true,                             /* Ensure 'use strict' is always emitted. */
 98 |     // "noUnusedLocals": true,                           /* Enable error reporting when local variables aren't read. */
 99 |     // "noUnusedParameters": true,                       /* Raise an error when a function parameter isn't read. */
100 |     // "exactOptionalPropertyTypes": true,               /* Interpret optional property types as written, rather than adding 'undefined'. */
101 |     // "noImplicitReturns": true,                        /* Enable error reporting for codepaths that do not explicitly return in a function. */
102 |     // "noFallthroughCasesInSwitch": true,               /* Enable error reporting for fallthrough cases in switch statements. */
103 |     // "noUncheckedIndexedAccess": true,                 /* Add 'undefined' to a type when accessed using an index. */
104 |     // "noImplicitOverride": true,                       /* Ensure overriding members in derived classes are marked with an override modifier. */
105 |     // "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type. */
106 |     // "allowUnusedLabels": true,                        /* Disable error reporting for unused labels. */
107 |     // "allowUnreachableCode": true,                     /* Disable error reporting for unreachable code. */
108 | 
109 |     /* Completeness */
110 |     // "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
111 |     "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
112 |   }
113 | }
114 | 
```