fix(build): emit TS helpers rather than import tslib

`esModuleInterop` not in tslib yet.

package.json

@@ -11,8 +11,7 @@
     "build": "rimraf lib && tsc -p tsconfig.build.json",
     "test": "jest",
     "test:watch": "jest --watchAll",
-    "lint":
-      "tslint --project tsconfig.json --fix \"src/**/*.ts\" && prettier --write \"src/**/*.ts\"",
+    "lint": "tslint --project tsconfig.json --fix \"src/**/*.ts\" && prettier --write \"src/**/*.ts\"",
     "cover": "jest --coverage",
     "coveralls": "jest --coverage && cat ./coverage/lcov.info | coveralls",
     "precommit": "lint-staged && npm run build",
@@ -22,7 +21,11 @@
     "type": "git",
     "url": "https://github.com/jeffijoe/awilix-koa.git"
   },
-  "files": ["lib", "LICENSE.md", "README.md"],
+  "files": [
+    "lib",
+    "LICENSE.md",
+    "README.md"
+  ],
   "directories": {
     "lib": "lib"
   },
@@ -36,8 +39,7 @@
   "dependencies": {
     "awilix-router-core": "^1.3.2",
     "koa-compose": "^4.0.0",
-    "koa-router": "^7.4.0",
-    "tslib": "^1.9.0"
+    "koa-router": "^7.4.0"
   },
   "devDependencies": {
     "@semantic-release/condition-codeship": "^1.1.0",
@@ -82,15 +84,25 @@
   "jest": {
     "testEnvironment": "node",
     "testRegex": "(/__tests__/.*\\.(test|spec))\\.(ts|tsx|js)$",
-    "collectCoverageFrom": ["src/**/*.ts"],
-    "coveragePathIgnorePatterns": ["/node_modules/"],
-    "modulePaths": ["src"],
+    "collectCoverageFrom": [
+      "src/**/*.ts"
+    ],
+    "coveragePathIgnorePatterns": [
+      "/node_modules/"
+    ],
+    "modulePaths": [
+      "src"
+    ],
     "coverageDirectory": "<rootDir>/coverage",
     "transform": {
       "\\.(ts|tsx)": "<rootDir>/node_modules/ts-jest/preprocessor.js",
       "\\.(js|jsx)": "babel-jest"
     },
-    "moduleFileExtensions": ["ts", "tsx", "js"],
+    "moduleFileExtensions": [
+      "ts",
+      "tsx",
+      "js"
+    ],
     "globals": {}
   },
   "prettier": {
@@ -101,7 +113,9 @@
     "generateNotes": "@semantic-release/release-notes-generator"
   },
   "babel": {
-    "presets": ["latest"],
+    "presets": [
+      "latest"
+    ],
     "plugins": "transform-decorators-legacy"
   }
 }

tsconfig.json

@@ -11,8 +11,8 @@
     "target": "es5",
     "module": "commonjs",
     "moduleResolution": "node",
-    "importHelpers": true,
-    "noEmitHelpers": true,
+    "importHelpers": false,
+    "noEmitHelpers": false,
     "sourceMap": true,
     "declaration": true,
     "skipLibCheck": true,

yarn.lock

@@ -5142,10 +5142,6 @@ tslib@^1.0.0, tslib@^1.7.1, tslib@^1.8.0, tslib@^1.8.1:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.8.1.tgz#6946af2d1d651a7b1863b531d6e5afa41aa44eac"
 
-tslib@^1.9.0:
-  version "1.9.0"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.0.tgz#e37a86fda8cbbaf23a057f473c9f4dc64e5fc2e8"
-
 tslint-config-prettier@^1.9.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/tslint-config-prettier/-/tslint-config-prettier-1.9.0.tgz#391887644b66de4623f745a6c85672405cbcdcee"