feat: support ecmascript syntax

Author: stuft2

.gitignore

@@ -48,6 +48,7 @@ web_modules/
 
 # TypeScript cache
 *.tsbuildinfo
+.tsimp/
 
 # Optional npm cache directory
 .npm

README.md

@@ -9,7 +9,7 @@ It will pretty-print logs when run locally, but it will write logs in JSON when
 ## Install
 
 ```
-npm i @byu-oit/logger 
+npm i @byu-oit/logger
 ```
 
 ## Usage

package.json

@@ -2,6 +2,9 @@
   "name": "@byu-oit/logger",
   "version": "0.4.2",
   "description": "Default configuration for pino logger",
+  "engines": {
+    "node": ">=18"
+  },
   "contributors": [
     {
       "name": "Scott Hutching",
@@ -12,56 +15,79 @@
       "email": "stuft2@byu.edu"
     }
   ],
-  "main": "dist/logger.js",
-  "types": "dist/logger.d.ts",
+  "type": "module",
+  "main": "./dist/cjs/index.js",
+  "types": "./dist/cjs/index.d.ts",
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "import": {
+        "types": "./dist/esm/index.d.ts",
+        "default": "./dist/esm/index.js"
+      },
+      "require": {
+        "types": "./dist/cjs/index.d.ts",
+        "default": "./dist/cjs/index.js"
+      }
+    }
+  },
   "files": [
     "dist"
   ],
   "scripts": {
-    "build": "npx rimraf dist && tsc",
-    "coverage": "npm run test -- --coverage || exit 0",
+    "build": "rimraf dist && concurrently \"npm:build:*\" -c cyanBright",
+    "build:cjs": "tsc -p tsconfig.cjs.json && echo-cli \"{\\\"type\\\": \\\"commonjs\\\"}\" > dist/cjs/package.json",
+    "build:esm": "tsc -p tsconfig.json && echo-cli \"{\\\"type\\\": \\\"module\\\"}\" > dist/esm/package.json",
+    "clean": "rimraf dist",
+    "coverage": "c8 ava",
     "lint": "npx ts-standard | snazzy",
     "lint:fix": "npx ts-standard --fix | snazzy",
-    "test": "jest",
+    "test": "ava",
     "prepublishOnly": "npm run build"
   },
   "author": "Brigham Young University - Office of Information Technology",
   "license": "Apache-2.0",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/byu-oit/logger.git"
+  },
+  "bugs": {
+    "url": "https://github.com/byu-oit/logger/issues"
+  },
   "dependencies": {
     "deepmerge": "^4.2.2",
     "pino": "^8.11.0",
     "pino-http": "^6.6.0"
   },
   "devDependencies": {
-    "@tsconfig/node12": "^1.0.11",
+    "@tsconfig/node18": "^18.2.4",
     "@types/jest": "^29.5.0",
-    "@types/node": "^16.9.1",
-    "jest": "^29.5.0",
+    "@types/node": "^18.19.42",
+    "@types/sinon": "^17.0.3",
+    "ava": "^6.1.3",
+    "c8": "^10.1.2",
+    "concurrently": "^8.2.2",
+    "echo-cli": "^2.0.0",
     "lint-staged": "^12.0.2",
     "pino-pretty": "^10.0.0",
+    "rimraf": "^6.0.1",
+    "sinon": "^18.0.0",
     "snazzy": "^9.0.0",
-    "ts-jest": "^29.1.0",
+    "tsimp": "^2.0.11",
     "typescript": "^5.0.3"
   },
   "optionalDependencies": {
     "pino-pretty": ">=7"
   },
-  "engines": {
-    "node": ">=12"
-  },
-  "jest": {
-    "transform": {
-      "^.+\\.(ts|tsx)$": "ts-jest"
-    }
-  },
   "lint-staged": {
     "*.ts": "npm run lint:fix"
   },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/byu-oit/logger.git"
-  },
-  "bugs": {
-    "url": "https://github.com/byu-oit/logger/issues"
+  "ava": {
+    "extensions": {
+      "ts": "module"
+    },
+    "nodeArguments": [
+      "--import=tsimp"
+    ]
   }
 }

src/logger.ts

@@ -1,6 +1,6 @@
-import { Logger, LoggerOptions, pino } from 'pino'
-import { getLevel, isInstalled, isProduction } from './util'
 import deepmerge from 'deepmerge'
+import { Logger, LoggerOptions, pino } from 'pino'
+import { getLevel, isInstalled, isProduction } from './util.js'
 
 export function ByuLogger (options?: LoggerOptions): Logger {
   const defaultOptions: LoggerOptions = {

test/logger.spec.ts

@@ -0,0 +1,80 @@
+import ava, { TestFn } from 'ava'
+import sinon, { SinonFakeTimers } from 'sinon'
+import { Logger } from 'pino'
+import { ByuLogger } from '../src/logger.js'
+
+type Context = {
+  logged: string
+  logger: Logger
+  clock: SinonFakeTimers
+  now: Date
+}
+
+const test = ava as TestFn<Context>
+
+test.beforeEach((t) => {
+  /* Capture the stdout pipe */
+  process.stdout.write = (buffer: string) => {
+    t.context.logged += buffer
+    return true
+  }
+
+  /* Stub the date time */
+  const jan1st = new Date(2021, 0, 1)
+  t.context.now = jan1st
+  t.context.clock = sinon.useFakeTimers(jan1st.getTime())
+
+  process.env.NODE_ENV = 'production'
+  t.context.logged = ''
+  t.context.logger = ByuLogger()
+})
+
+test.afterEach((t) => {
+  t.context.clock.restore()
+})
+
+test.serial('default logger should default to info level', (t) => {
+  t.context.logger.debug('debug does not work')
+
+  t.is(t.context.logger.level, 'info')
+  t.is(t.context.logged, '') // no logs should have happened
+})
+
+test.serial('default logger displays logs in JSON format', (t) => {
+  t.context.logger.info('json works')
+
+  try {
+    const parsedLog = JSON.parse(t.context.logged)
+    t.truthy(parsedLog.message)
+    t.truthy(parsedLog.level)
+    t.truthy(parsedLog.time)
+  } catch (e) {
+    t.log(e)
+    t.fail(`The log format should be stringified JSON but parsing failed. See the logged error for details.`)
+  }
+})
+
+test.serial('default logger should display info logs', (t) => {
+  t.context.logger.info('info works')
+
+  try {
+    const parsedLog = JSON.parse(t.context.logged)
+    t.is(parsedLog.message, 'info works')
+    t.is(parsedLog.level, 'info')
+  } catch (e) {
+    t.log(e)
+    t.fail(`The log format should be stringified JSON but parsing failed. See the logged error for details.`)
+  }
+})
+
+test.serial('default logger displays logs with epoch datetime format', (t) => {
+  t.context.logger.info('iso date works')
+
+  try {
+    const parsedLog = JSON.parse(t.context.logged)
+    t.is(parsedLog.time, t.context.now.getTime())
+  } catch (e) {
+    t.log(e)
+    t.fail(`The log format should be stringified JSON but parsing failed. See the logged error for details.`)
+  }
+})

test/production.spec.ts

@@ -0,0 +1,47 @@
+import ava, { TestFn } from 'ava'
+import sinon, { SinonFakeTimers } from 'sinon'
+import { Logger } from 'pino'
+import { ByuLogger } from '../src/logger.js'
+
+type Context = {
+  logged: string
+  logger: Logger
+  clock: SinonFakeTimers
+  now: Date
+}
+
+const test = ava as TestFn<Context>
+
+test.beforeEach((t) => {
+  /* Capture the stdout pipe */
+  process.stdout.write = (buffer: string) => {
+    t.context.logged += buffer
+    return true
+  }
+
+  /* Stub the date time */
+  const jan1st = new Date(2021, 0, 1)
+  t.context.now = jan1st
+  t.context.clock = sinon.useFakeTimers(jan1st.getTime())
+
+  process.env.NODE_ENV = 'test'
+  t.context.logged = ''
+  t.context.logger = ByuLogger()
+})
+
+test.afterEach((t) => {
+  t.context.clock.restore()
+})
+
+test.serial('default logger should default to silent level', (t) => {
+  t.context.logger.debug('debug does not work')
+
+  t.is(t.context.logger.level, 'silent')
+  t.is(t.context.logged, '') // no logs should have happened
+})
+
+test.serial('default logger should not display logs', (t) => {
+  t.context.logger.info('info works')
+
+  t.is(t.context.logged, '')
+})