Use ESM

Author: wooorm

.github/workflows/main.yml

@@ -17,5 +17,5 @@ jobs:
     strategy:
       matrix:
         node:
-          - lts/dubnium
+          - lts/erbium
           - node

.gitignore

@@ -1,8 +1,5 @@
 .DS_Store
 *.log
-.nyc_output/
 coverage/
 node_modules/
-plain-text-data-to-json.js
-plain-text-data-to-json.min.js
 yarn.lock

.prettierignore

@@ -1,5 +1,2 @@
 coverage/
-plain-text-data-to-json.js
-plain-text-data-to-json.min.js
-*.json
 *.md

index.js

@@ -1,13 +1,7 @@
-'use strict'
-
-var trim = require('trim')
-
-module.exports = toJson
-
 var own = {}.hasOwnProperty
 
 // Transform a string into an array or object of values.
-function toJson(value, options) {
+export function toJson(value, options) {
   var propertyOrValues = {}
   var lines
   var isPropertyValuePair
@@ -39,7 +33,7 @@ function toJson(value, options) {
     lines = lines.map(stripComments(comment))
   })
 
-  lines = lines.map(trim).filter(Boolean)
+  lines = lines.map((d) => d.trim()).filter(Boolean)
 
   pairs = lines.map(toPropertyValuePairs(options.delimiter || ':'))
 
@@ -134,10 +128,10 @@ function toPropertyValuePairs(token) {
   // Transform `value` to a property--value tuple.
   function toPropValuePairs(value) {
     var values = value.split(token)
-    var result = [trim(values.shift())]
+    var result = [values.shift().trim()]
 
     if (values.length > 0) {
-      result.push(trim(values.join(token)))
+      result.push(values.join(token).trim())
     }
 
     return result

package.json

@@ -18,31 +18,26 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
-  "dependencies": {
-    "trim": "^1.0.0"
-  },
   "devDependencies": {
-    "browserify": "^17.0.0",
-    "cept": "^1.0.0",
-    "nyc": "^15.0.0",
+    "c8": "^7.0.0",
+    "cept": "^2.0.0",
     "prettier": "^2.0.0",
     "remark-cli": "^9.0.0",
     "remark-preset-wooorm": "^8.0.0",
     "tape": "^5.0.0",
-    "tinyify": "^3.0.0",
     "xo": "^0.38.0"
   },
   "scripts": {
     "format": "remark . -qfo && prettier . -w --loglevel warn && xo --fix",
-    "build-bundle": "browserify . -s plain-text-data-to-json -o plain-text-data-to-json.js",
-    "build-mangle": "browserify . -s plain-text-data-to-json -p tinyify -o plain-text-data-to-json.min.js",
-    "build": "npm run build-bundle && npm run build-mangle",
-    "test-api": "node test",
-    "test-coverage": "nyc --reporter lcov tape test.js",
-    "test": "npm run format && npm run build && npm run test-coverage"
+    "test-api": "node test.js",
+    "test-coverage": "c8 --check-coverage --branches 100 --functions 100 --lines 100 --statements 100 --reporter lcov node test.js",
+    "test": "npm run format && npm run test-coverage"
   },
   "prettier": {
     "tabWidth": 2,
@@ -54,15 +49,13 @@
   },
   "xo": {
     "prettier": true,
-    "esnext": false,
     "rules": {
+      "no-var": "off",
+      "prefer-arrow-callback": "off",
       "complexity": "off",
       "unicorn/no-array-callback-reference": "off",
       "unicorn/no-array-for-each": "off"
-    },
-    "ignores": [
-      "plain-text-data-to-json.js"
-    ]
+    }
   },
   "remarkConfig": {
     "plugins": [

readme.md

@@ -9,6 +9,9 @@ Transform a “database” / basic (word, phrase) list from plain text to JSON.
 
 ## Install
 
+This package is ESM only: Node 12+ is needed to use it and it must be `import`ed
+instead of `require`d.
+
 [npm][]:
 
 ```sh
@@ -30,7 +33,10 @@ fs.writeFileSync('output.json', JSON.stringify(data, null, 2) + '\n')
 
 ## API
 
-### `toJSON(value[, options])`
+This package exports the following identifiers: `toJson`.
+There is no default export.
+
+### `toJson(value[, options])`
 
 Transforms the given value (string) to JSON.
 Don’t like the default comment and property-value pair delimiters?

test.js

@@ -1,8 +1,6 @@
-'use strict'
-
-var test = require('tape')
-var cept = require('cept')
-var toJson = require('.')
+import test from 'tape'
+import {cept} from 'cept'
+import {toJson} from './index.js'
 
 test('toJson', function (t) {
   t.equal(typeof toJson, 'function', 'should be a `function`')