chore: use esbuild to build package

build.ts

@@ -0,0 +1,22 @@
+import { build, BuildOptions } from "esbuild";
+
+const opts: BuildOptions = {
+  bundle: true,
+  entryPoints: ["src/compare/index.ts"],
+  outdir: "dist",
+  packages: "external",
+  platform: "node",
+  sourcemap: true,
+};
+
+await Promise.all([
+  build({
+    ...opts,
+    format: "cjs",
+  }),
+  build({
+    ...opts,
+    format: "esm",
+    outExtension: { ".js": ".mjs" },
+  }),
+]);

package.json

@@ -2,15 +2,20 @@
   "name": "openapi-pact-comparator",
   "version": "1.0.0",
   "description": "",
-  "exports": {
-    ".": "./dist/compare/index.js"
-  },
-  "main": "dist/compare/index.js",
+  "main": "dist/index.js",
+  "module": "dist/index.mjs",
+  "types": "dist/compare/index.d.ts",
   "files": [
     "dist"
   ],
+  "exports": {
+    ".": {
+      "import": "./dist/index.mjs",
+      "default": "./dist/index.js"
+    }
+  },
   "scripts": {
-    "dev": "tsx src/cli.ts",
+    "build": "tsc --emitDeclarationOnly && tsx build.ts",
     "lint": "eslint --max-warnings=0",
     "postinstall": "patch-package",
     "prepare": "tsc --project tsconfig.json",
@@ -44,6 +49,7 @@
     "@types/lodash-es": "^4.17.12",
     "@types/node": "^22.12.0",
     "@types/qs": "^6.9.18",
+    "esbuild": "^0.24.2",
     "eslint": "^9.19.0",
     "eslint-config-prettier": "^10.0.1",
     "prettier": "^3.4.2",

src/compare/index.ts

@@ -2,18 +2,18 @@ import type { OpenAPIV2, OpenAPIV3 } from "openapi-types";
 import Ajv from "ajv/dist/2019";
 import Router, { HTTPMethod } from "find-my-way";
 
-import type { Pact } from "../documents/pact.js";
-import type { Result } from "../results/index.js";
-import { setupAjv, setupRouter } from "./setup.js";
-import { parse as parseOas } from "../documents/oas.js";
-import { parse as parsePact } from "../documents/pact.js";
-import { compareReqPath } from "./requestPath.js";
-import { compareReqQuery } from "./requestQuery.js";
-import { compareReqBody } from "./requestBody.js";
-import { compareReqHeader } from "./requestHeader.js";
-import { compareResBody } from "./responseBody.js";
-import { compareResHeader } from "./responseHeader.js";
-import { baseMockDetails } from "../results/index.js";
+import type { Pact } from "../documents/pact";
+import type { Result } from "../results/index";
+import { setupAjv, setupRouter } from "./setup";
+import { parse as parseOas } from "../documents/oas";
+import { parse as parsePact } from "../documents/pact";
+import { compareReqPath } from "./requestPath";
+import { compareReqQuery } from "./requestQuery";
+import { compareReqBody } from "./requestBody";
+import { compareReqHeader } from "./requestHeader";
+import { compareResBody } from "./responseBody";
+import { compareResHeader } from "./responseHeader";
+import { baseMockDetails } from "../results/index";
 
 export class Comparator {
   #ajvCoerce: Ajv;

src/compare/requestBody.ts

@@ -5,17 +5,17 @@ import type Router from "find-my-way";
 import { get } from "lodash-es";
 import qs from "qs";
 
-import type { Interaction } from "../documents/pact.js";
-import type { Result } from "../results/index.js";
+import type { Interaction } from "../documents/pact";
+import type { Result } from "../results/index";
 import {
   baseMockDetails,
   formatErrorMessage,
   formatInstancePath,
   formatSchemaPath,
-} from "../results/index.js";
-import { minimumSchema, transformRequestSchema } from "../transform/index.js";
-import { findMatchingType } from "./utils/content.js";
-import { dereferenceOas } from "./utils/schema.js";
+} from "../results/index";
+import { minimumSchema, transformRequestSchema } from "../transform/index";
+import { findMatchingType } from "./utils/content";
+import { dereferenceOas } from "./utils/schema";
 
 const parseBody = (body: unknown, contentType: string) => {
   if (

src/compare/requestHeader.ts

@@ -4,21 +4,18 @@ import type Ajv from "ajv/dist/2019";
 import type Router from "find-my-way";
 import { get } from "lodash-es";
 
-import type { Interaction } from "../documents/pact.js";
-import type { Result } from "../results/index.js";
+import type { Interaction } from "../documents/pact";
+import type { Result } from "../results/index";
 import {
   baseMockDetails,
   formatErrorMessage,
   formatInstancePath,
   formatSchemaPath,
-} from "../results/index.js";
-import { minimumSchema } from "../transform/index.js";
-import {
-  findMatchingType,
-  standardHttpRequestHeaders,
-} from "./utils/content.js";
-import { parseValue } from "./utils/parse.js";
-import { dereferenceOas } from "./utils/schema.js";
+} from "../results/index";
+import { minimumSchema } from "../transform/index";
+import { findMatchingType, standardHttpRequestHeaders } from "./utils/content";
+import { parseValue } from "./utils/parse";
+import { dereferenceOas } from "./utils/schema";
 
 export function* compareReqHeader(
   ajv: Ajv,

src/compare/requestPath.ts

@@ -2,13 +2,13 @@ import type { SchemaObject } from "ajv";
 import type Ajv from "ajv/dist/2019";
 import type Router from "find-my-way";
 
-import type { Interaction } from "../documents/pact.js";
-import type { Result } from "../results/index.js";
-import { baseMockDetails } from "../results/index.js";
-import { minimumSchema } from "../transform/index.js";
-import { cleanPathParameter } from "./utils/parameters.js";
-import { parseValue } from "./utils/parse.js";
-import { dereferenceOas } from "./utils/schema.js";
+import type { Interaction } from "../documents/pact";
+import type { Result } from "../results/index";
+import { baseMockDetails } from "../results/index";
+import { minimumSchema } from "../transform/index";
+import { cleanPathParameter } from "./utils/parameters";
+import { parseValue } from "./utils/parse";
+import { dereferenceOas } from "./utils/schema";
 
 export function* compareReqPath(
   ajv: Ajv,

src/compare/requestQuery.ts

@@ -4,16 +4,16 @@ import type Router from "find-my-way";
 import { get } from "lodash-es";
 import qs from "qs";
 
-import type { Result } from "../results/index.js";
-import type { Interaction } from "../documents/pact.js";
+import type { Result } from "../results/index";
+import type { Interaction } from "../documents/pact";
 import {
   baseMockDetails,
   formatErrorMessage,
   formatInstancePath,
   formatSchemaPath,
-} from "../results/index.js";
-import { minimumSchema } from "../transform/index.js";
-import { dereferenceOas } from "./utils/schema.js";
+} from "../results/index";
+import { minimumSchema } from "../transform/index";
+import { dereferenceOas } from "./utils/schema";
 
 export function* compareReqQuery(
   ajv: Ajv,

src/compare/responseBody.ts

@@ -4,17 +4,17 @@ import type Router from "find-my-way";
 import type { OpenAPIV2, OpenAPIV3 } from "openapi-types";
 import { get } from "lodash-es";
 
-import type { Interaction } from "../documents/pact.js";
-import type { Result } from "../results/index.js";
+import type { Interaction } from "../documents/pact";
+import type { Result } from "../results/index";
 import {
   baseMockDetails,
   formatErrorMessage,
   formatInstancePath,
   formatSchemaPath,
-} from "../results/index.js";
-import { minimumSchema, transformResponseSchema } from "../transform/index.js";
-import { findMatchingType } from "./utils/content.js";
-import { dereferenceOas } from "./utils/schema.js";
+} from "../results/index";
+import { minimumSchema, transformResponseSchema } from "../transform/index";
+import { findMatchingType } from "./utils/content";
+import { dereferenceOas } from "./utils/schema";
 
 const DEFAULT_CONTENT_TYPE = "application/json";
 

src/compare/responseHeader.ts

@@ -3,20 +3,17 @@ import type Ajv from "ajv/dist/2019";
 import type Router from "find-my-way";
 import { get } from "lodash-es";
 
-import type { Interaction } from "../documents/pact.js";
-import type { Result } from "../results/index.js";
+import type { Interaction } from "../documents/pact";
+import type { Result } from "../results/index";
 import {
   baseMockDetails,
   formatErrorMessage,
   formatInstancePath,
   formatSchemaPath,
-} from "../results/index.js";
-import { minimumSchema } from "../transform/index.js";
-import {
-  findMatchingType,
-  standardHttpResponseHeaders,
-} from "./utils/content.js";
-import { dereferenceOas } from "./utils/schema.js";
+} from "../results/index";
+import { minimumSchema } from "../transform/index";
+import { findMatchingType, standardHttpResponseHeaders } from "./utils/content";
+import { dereferenceOas } from "./utils/schema";
 
 export function* compareResHeader(
   ajv: Ajv,

src/compare/setup.ts

@@ -2,7 +2,7 @@ import type { OpenAPIV2, OpenAPIV3 } from "openapi-types";
 import Ajv, { Options } from "ajv/dist/2019.js";
 import addFormats from "ajv-formats";
 import Router, { HTTPMethod } from "find-my-way";
-import { cleanPathParameter } from "./utils/parameters.js";
+import { cleanPathParameter } from "./utils/parameters";
 
 export function setupAjv(options: Options): Ajv {
   const ajv = new Ajv(options);

src/transform/index.ts

@@ -1,3 +1,3 @@
-export { transformRequestSchema } from "./requestSchema.js";
-export { transformResponseSchema } from "./responseSchema.js";
-export { minimumSchema } from "./minimumSchema.js";
+export { transformRequestSchema } from "./requestSchema";
+export { transformResponseSchema } from "./responseSchema";
+export { minimumSchema } from "./minimumSchema";

src/transform/minimumSchema.ts

@@ -1,7 +1,7 @@
 import type { OpenAPIV3 } from "openapi-types";
 import { SchemaObject } from "ajv";
 import { cloneDeep, get, set } from "lodash-es";
-import { traverse } from "./utils.js";
+import { traverse } from "./utils";
 
 export const minimumSchema = (
   originalSchema: SchemaObject,

src/transform/requestSchema.ts

@@ -1,6 +1,6 @@
 import { SchemaObject } from "ajv";
 import { each } from "lodash-es";
-import { traverse } from "./utils.js";
+import { traverse } from "./utils";
 
 export const transformRequestSchema = (schema: SchemaObject): SchemaObject => {
   // OpenAPI defines allOf to mean the union of all sub-schemas. JSON-Schema

src/transform/responseSchema.ts

@@ -1,6 +1,6 @@
 import { SchemaObject } from "ajv";
 import { each, get } from "lodash-es";
-import { traverse } from "./utils.js";
+import { traverse } from "./utils";
 
 export const transformResponseSchema = (schema: SchemaObject): SchemaObject => {
   // a provider must provide a superset of what the consumer asks for