From f7cc2219ffc3cda3e4e6ba51af977614832f1fc7 Mon Sep 17 00:00:00 2001
From: Alex Sanders <alex@sndrs.dev>
Date: Wed, 24 Aug 2022 13:05:06 +0100
Subject: [PATCH] perf!: import helpers from `tslib`

---
 package.json  | 131 +++++++++++++++++++++++++-------------------------
 tsconfig.json |  24 ++++-----
 2 files changed, 79 insertions(+), 76 deletions(-)

diff --git a/package.json b/package.json
index 85a3aee..cca9c7e 100644
--- a/package.json
+++ b/package.json
@@ -1,67 +1,68 @@
 {
-	"name": "@guardian/libs",
-	"version": "0.0.0-this-never-updates-in-source-code-refer-to-git-tags",
-	"private": false,
-	"description": "A collection of JavaScript libraries and TypeScript types for Guardian projects",
-	"homepage": "https://github.com/guardian/libs#readme",
-	"bugs": {
-		"url": "https://github.com/guardian/libs/issues"
-	},
-	"repository": "https://github.com/guardian/libs.git",
-	"license": "Apache-2.0",
-	"author": "Guardian developers",
-	"sideEffects": false,
-	"main": "dist/cjs/index.js",
-	"module": "dist/esm/index.js",
-	"types": "dist/types/index.d.ts",
-	"files": [
-		"dist",
-		"src"
-	],
-	"scripts": {
-		"prebuild": "yarn clean",
-		"build": "pkgu build",
-		"clean": "rm -rf dist",
-		"lint": "eslint . --ext .js,.ts",
-		"precommit:logger-preview": "ts-node scripts/generateSvg.logger.teams.ts",
-		"precommit:update-readme": "ts-node scripts/update-readme.ts",
-		"prepare": "husky install",
-		"prepush:test": "jest --runInBand --onlyChanged --coverage=false",
-		"test": "jest",
-		"test:watch": "yarn test --watch",
-		"tsc": "tsc --noEmit --project tsconfig.dev.json",
-		"validate": "npm-run-all tsc lint test build"
-	},
-	"devDependencies": {
-		"@guardian/eslint-config": "1.0.1",
-		"@guardian/eslint-config-typescript": "1.0.2",
-		"@guardian/pkgu": "0.6.2",
-		"@guardian/prettier": "2.0.0",
-		"@guardian/tsconfig": "0.1.4",
-		"@semantic-release/github": "8.0.5",
-		"@types/jest": "27.4.1",
-		"@types/node": "16.11.47",
-		"@types/wcag-contrast": "3.0.0",
-		"conventional-changelog-conventionalcommits": "5.0.0",
-		"eslint": "8.21.0",
-		"husky": "8.0.1",
-		"jest": "27.5.1",
-		"jest-fetch-mock": "3.0.3",
-		"mockdate": "3.0.5",
-		"npm-run-all": "4.1.5",
-		"prettier": "2.7.1",
-		"semantic-release": "19.0.3",
-		"ts-jest": "27.1.4",
-		"ts-node": "10.8.1",
-		"tslib": "2.4.0",
-		"typescript": "4.2.2",
-		"wcag-contrast": "3.0.0",
-		"web-vitals": "2.0.0"
-	},
-	"peerDependencies": {
-		"web-vitals": "^2.0.0"
-	},
-	"publishConfig": {
-		"access": "public"
-	}
+  "name": "@guardian/libs",
+  "version": "0.0.0-this-never-updates-in-source-code-refer-to-git-tags",
+  "private": false,
+  "description": "A collection of JavaScript libraries and TypeScript types for Guardian projects",
+  "homepage": "https://github.com/guardian/libs#readme",
+  "bugs": {
+    "url": "https://github.com/guardian/libs/issues"
+  },
+  "repository": "https://github.com/guardian/libs.git",
+  "license": "Apache-2.0",
+  "author": "Guardian developers",
+  "sideEffects": false,
+  "main": "dist/cjs/index.js",
+  "module": "dist/esm/index.js",
+  "types": "dist/types/index.d.ts",
+  "files": [
+    "dist",
+    "src"
+  ],
+  "scripts": {
+    "prebuild": "yarn clean",
+    "build": "pkgu build",
+    "clean": "rm -rf dist",
+    "lint": "eslint . --ext .js,.ts",
+    "precommit:logger-preview": "ts-node scripts/generateSvg.logger.teams.ts",
+    "precommit:update-readme": "ts-node scripts/update-readme.ts",
+    "prepare": "husky install",
+    "prepush:test": "jest --runInBand --onlyChanged --coverage=false",
+    "test": "jest",
+    "test:watch": "yarn test --watch",
+    "tsc": "tsc --noEmit --project tsconfig.dev.json",
+    "validate": "npm-run-all tsc lint test build"
+  },
+  "devDependencies": {
+    "@guardian/eslint-config": "1.0.1",
+    "@guardian/eslint-config-typescript": "1.0.2",
+    "@guardian/pkgu": "0.6.2",
+    "@guardian/prettier": "2.0.0",
+    "@guardian/tsconfig": "0.1.4",
+    "@semantic-release/github": "8.0.5",
+    "@types/jest": "27.4.1",
+    "@types/node": "16.11.47",
+    "@types/wcag-contrast": "3.0.0",
+    "conventional-changelog-conventionalcommits": "5.0.0",
+    "eslint": "8.21.0",
+    "husky": "8.0.1",
+    "jest": "27.5.1",
+    "jest-fetch-mock": "3.0.3",
+    "mockdate": "3.0.5",
+    "npm-run-all": "4.1.5",
+    "prettier": "2.7.1",
+    "semantic-release": "19.0.3",
+    "ts-jest": "27.1.4",
+    "ts-node": "10.8.1",
+    "tslib": "2.4.0",
+    "typescript": "4.2.2",
+    "wcag-contrast": "3.0.0",
+    "web-vitals": "2.0.0"
+  },
+  "peerDependencies": {
+    "tslib": "^2.4.0",
+    "web-vitals": "^2.0.0"
+  },
+  "publishConfig": {
+    "access": "public"
+  }
 }
diff --git a/tsconfig.json b/tsconfig.json
index 6463350..3e9b76a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,13 +1,15 @@
 {
-	"extends": "@guardian/tsconfig",
-	"compilerOptions": {
-		"allowJs": true,
-		"forceConsistentCasingInFileNames": true,
-		"isolatedModules": true,
-		"noEmit": true,
-		"target": "ES2020"
-	},
-	"include": ["src"],
-	"exclude": ["node_modules", "dist", "coverage"],
-	"ts-node": { "compilerOptions": { "module": "commonjs" } }
+  "extends": "@guardian/tsconfig",
+  "compilerOptions": {
+    "allowJs": true,
+    "forceConsistentCasingInFileNames": true,
+    "importHelpers": true,
+    "isolatedModules": true,
+    "module": "ESNext",
+    "noEmit": true,
+    "target": "ES2020"
+  },
+  "include": ["src"],
+  "exclude": ["node_modules", "dist", "coverage"],
+  "ts-node": { "compilerOptions": { "module": "commonjs" } }
 }