Fix: problems on Node 4

Author: mysticatea

.eslintrc.yml

@@ -7,6 +7,7 @@ rules:
   class-methods-use-this: off
   complexity: off
   mysticatea/arrow-parens: off
+  mysticatea/prefer-for-of: off
   prettier/prettier:
     - error
     - tabWidth: 4

package.json

@@ -22,6 +22,7 @@
     "mocha": "^5.0.1",
     "npm-run-all": "^4.1.2",
     "prettier": "^1.9.2",
+    "rimraf": "^2.6.2",
     "rollup": "^0.56.1",
     "rollup-plugin-node-resolve": "^3.0.3",
     "rollup-plugin-sourcemaps": "^0.4.2",

src/validator.ts

@@ -908,11 +908,11 @@ export class RegExpValidator {
             const c = String.fromCodePoint(cp)
             this.raise(`Unexpected character '${c}'`)
         }
-        for (const name of this._backreferenceNames) {
+        this._backreferenceNames.forEach(name => {
             if (!this._groupNames.has(name)) {
                 this.raise("Invalid named capture referenced")
             }
-        }
+        })
         this.onPatternLeave(start, this.index)
     }
 

test/parser.ts

@@ -1,9 +1,9 @@
 import assert from "assert"
-import { parseRegExpLiteral, ParserOptions } from "../src/index"
+import { parseRegExpLiteral, RegExpParser } from "../src/index"
 import { cloneWithoutCircular } from "../tools/clone-without-circular"
 import { Fixtures } from "./fixtures/parser/literal"
 
-function generateAST(source: string, options: ParserOptions): object {
+function generateAST(source: string, options: RegExpParser.Options): object {
     return JSON.parse(
         Buffer.from(
             JSON.stringify(

tsconfig.json

@@ -13,7 +13,7 @@
         "esModuleInterop": true,
         "forceConsistentCasingInFileNames": true,
         "lib": [
-            "es2017"
+            "es2015"
         ],
         "module": "commonjs",
         "moduleResolution": "node",
@@ -31,7 +31,7 @@
         "sourceMap": true,
         "sourceRoot": "src",
         "strictNullChecks": true,
-        "target": "es2015"
+        "target": "es5"
     },
     "include": [
         "src/**/*.ts"

tsconfig.prod.json

@@ -31,7 +31,7 @@
         "sourceMap": true,
         "sourceRoot": "src",
         "strictNullChecks": true,
-        "target": "es2015"
+        "target": "es5"
     },
     "include": [
         "src/**/*.ts"