Refactor to move implementation to lib/

Author: wooorm

build.js

@@ -20,7 +20,7 @@ const startRe = regenerate().add(start).toRegExp()
 const contRe = regenerate().add(cont).remove(start).toRegExp()
 
 fs.writeFileSync(
-  path.join('regex.js'),
+  path.join('lib', 'regex.js'),
   [
     '// This module is generated by `build.js`.',
     'export const start = ' + startRe,

index.js

@@ -1,38 +1 @@
-import {start as startRe, cont as contRe} from './regex.js'
-
-/**
- * Checks if the given character code can start an identifier.
- *
- * @param {number} code
- */
-// To do: support astrals.
-export function start(code) {
-  return startRe.test(String.fromCharCode(code))
-}
-
-/**
- * Checks if the given character code can continue an identifier.
- *
- * @param {number} code
- */
-// To do: support astrals.
-export function cont(code) {
-  const character = String.fromCharCode(code)
-  return startRe.test(character) || contRe.test(character)
-}
-
-/**
- * Checks if the given string is a valid identifier name.
- *
- * @param {string} name
- */
-export function name(name) {
-  let index = -1
-
-  while (++index < name.length) {
-    if (!(index ? cont : start)(name.charCodeAt(index))) return false
-  }
-
-  // `false` if `name` is empty.
-  return index > 0
-}
+export {cont, name, start} from './lib/index.js'

lib/index.js

@@ -0,0 +1,38 @@
+import {start as startRe, cont as contRe} from './regex.js'
+
+/**
+ * Checks if the given character code can start an identifier.
+ *
+ * @param {number} code
+ */
+// To do: support astrals.
+export function start(code) {
+  return startRe.test(String.fromCharCode(code))
+}
+
+/**
+ * Checks if the given character code can continue an identifier.
+ *
+ * @param {number} code
+ */
+// To do: support astrals.
+export function cont(code) {
+  const character = String.fromCharCode(code)
+  return startRe.test(character) || contRe.test(character)
+}
+
+/**
+ * Checks if the given string is a valid identifier name.
+ *
+ * @param {string} name
+ */
+export function name(name) {
+  let index = -1
+
+  while (++index < name.length) {
+    if (!(index ? cont : start)(name.charCodeAt(index))) return false
+  }
+
+  // `false` if `name` is empty.
+  return index > 0
+}

regex.js renamed to lib/regex.js

@@ -27,10 +27,9 @@
   "main": "index.js",
   "types": "index.d.ts",
   "files": [
+    "lib/",
     "index.d.ts",
-    "index.js",
-    "regex.d.ts",
-    "regex.js"
+    "index.js"
   ],
   "devDependencies": {
     "@types/regenerate": "^1.0.0",