Add exports field to package.json in order to support moduleResolutio…

…n node12/nodenext, closes #1726

package.json

@@ -2,9 +2,32 @@
  "name": "fp-ts",
  "version": "2.12.3",
  "description": "Functional programming in TypeScript",
- "main": "lib/index.js",
- "module": "es6/index.js",
- "typings": "lib/index.d.ts",
+ "main": "./lib/index.js",
+ "module": "./es6/index.js",
+ "exports": {
+ ".": {
+ "require": "./lib/index.js",
+ "import": "./es6/index.js"
+ },
+ "./*": {
+ "require": "./lib/*.js",
+ "import": "./es6/*.js"
+ },
+ "./es6/*": {
+ "import": "./es6/*.js"
+ },
+ "./lib/*": {
+ "require": "./lib/*.js"
+ }
+ },
+ "types": "index.d.ts",
+ "typesVersions": {
+ "*": {
+ "*": [
+ "./types/*"
+ ]
+ }
+ },
  "sideEffects": false,
  "scripts": {
  "lint": "eslint \"src/**/*.ts\" \"test/**/*.ts\" \"scripts/**/*.ts\"",
@@ -15,7 +38,7 @@
  "test": "npm run lint && npm run prettier && npm run dtslint && npm run jest-clear-cache && npm run jest && npm run docs",
  "clean": "rimraf ./dist",
  "prebuild": "npm run clean",
- "build": "tsc -p ./tsconfig.build.json && tsc -p ./tsconfig.build-es6.json && ts-node scripts/build",
+ "build": "tsc -p ./tsconfig.build-lib.json && tsc -p ./tsconfig.build-es6.json && tsc -p ./tsconfig.build-types.json && ts-node scripts/build",
  "postbuild": "prettier --loglevel=silent --write \"./dist/**/*.ts\"",
  "prepublishOnly": "ts-node scripts/pre-publish",
  "mocha": "mocha -r ts-node/register test/*.ts",

scripts/build.ts

@@ -65,7 +65,7 @@ function makePkgJson(module: string): TE.TaskEither<Error, string> {
  {
  main: `../lib/${module}.js`,
  module: `../es6/${module}.js`,
- typings: module === 'HKT' ? `../HKT.d.ts` : `../lib/${module}.d.ts`,
+ types: `../types/${module}.d.ts`,
  sideEffects: false
  },
  null,
@@ -75,35 +75,10 @@ function makePkgJson(module: string): TE.TaskEither<Error, string> {
  )
 }
 
-const fixHKT = (folder: string): Build<void> =>
- pipe(
- (C: FileSystem) => C.mkdir(path.join(OUTPUT_FOLDER, folder, 'HKT')),
- RTE.chain(() => (C) =>
- C.writeFile(
- path.join(OUTPUT_FOLDER, folder, 'HKT', 'package.json'),
- JSON.stringify(
- {
- typings: '../../HKT.d.ts'
- },
- null,
- 2
- )
- )
- ),
- RTE.chain(() => (C) =>
- C.moveFile(path.join(OUTPUT_FOLDER, folder, 'HKT.js'), path.join(OUTPUT_FOLDER, folder, 'HKT', 'index.js'))
- ),
- RTE.chain(() => (C) =>
- C.moveFile(path.join(OUTPUT_FOLDER, folder, 'HKT.d.ts'), path.join(OUTPUT_FOLDER, 'HKT.d.ts'))
- )
- )
-
 const main: Build<void> = pipe(
  copyPackageJson,
  RTE.chain(() => copyFiles),
- RTE.chain(() => makeModules),
- RTE.chain(() => fixHKT('es6')),
- RTE.chain(() => fixHKT('lib'))
+ RTE.chain(() => makeModules)
 )
 
 run(

tsconfig.build-es6.json

@@ -1,7 +1,10 @@
 {
- "extends": "./tsconfig.build.json",
+ "extends": "./tsconfig.json",
  "compilerOptions": {
+ "noEmit": false,
  "outDir": "./dist/es6",
+ "target": "es5",
  "module": "es6"
- }
+ },
+ "include": ["./src"]
 }

tsconfig.build-lib.json

@@ -0,0 +1,10 @@
+{
+ "extends": "./tsconfig.json",
+ "compilerOptions": {
+ "noEmit": false,
+ "outDir": "./dist/lib",
+ "target": "es5",
+ "module": "commonjs"
+ },
+ "include": ["./src"]
+}

tsconfig.build-types.json

@@ -0,0 +1,9 @@
+{
+ "extends": "./tsconfig.build-es6.json",
+ "compilerOptions": {
+ "declaration": true,
+ "declarationDir": "./dist/types",
+ "emitDeclarationOnly": true
+ },
+ "include": ["./src"]
+}

tsconfig.json

@@ -1,21 +1,18 @@
 {
  "compilerOptions": {
  "noEmit": true,
- "outDir": "./dist/lib",
- "target": "es5",
- "module": "commonjs",
  "moduleResolution": "node",
  "esModuleInterop": true,
- "lib": [],
  "sourceMap": false,
- "declaration": true,
+ "declaration": false,
  "strict": true,
  "noImplicitReturns": true,
  "noUnusedLocals": true,
  "noUnusedParameters": true,
  "noFallthroughCasesInSwitch": true,
  "forceConsistentCasingInFileNames": true,
- "stripInternal": true
+ "stripInternal": true,
+ "noUncheckedIndexedAccess": false
  },
  "include": ["./src", "./test", "./scripts", "./perf"]
 }