Update dependencies

package.json

@@ -66,7 +66,7 @@
   "devDependencies": {
     "@rollup/plugin-alias": "^3.1.1",
     "@rollup/plugin-buble": "^0.21.3",
-    "@rollup/plugin-commonjs": "^15.0.0",
+    "@rollup/plugin-commonjs": "^15.1.0",
     "@rollup/plugin-json": "^4.1.0",
     "@rollup/plugin-node-resolve": "^9.0.0",
     "@rollup/plugin-replace": "^2.3.3",
@@ -75,7 +75,7 @@
     "@types/require-relative": "^0.8.0",
     "@types/signal-exit": "^3.0.0",
     "@types/yargs-parser": "^15.0.0",
-    "acorn": "^8.0.1",
+    "acorn": "^8.0.3",
     "acorn-class-fields": "^0.3.7",
     "acorn-jsx": "^5.3.1",
     "acorn-numeric-separator": "^0.3.6",
@@ -90,27 +90,27 @@
     "date-time": "^3.1.0",
     "es5-shim": "^4.5.14",
     "es6-shim": "^0.35.5",
-    "eslint": "^7.9.0",
-    "eslint-plugin-import": "^2.22.0",
+    "eslint": "^7.10.0",
+    "eslint-plugin-import": "^2.22.1",
     "execa": "^4.0.3",
     "fixturify": "^2.1.0",
     "hash.js": "^1.1.7",
     "husky": "^4.3.0",
     "is-reference": "^1.2.1",
-    "lint-staged": "^10.3.0",
+    "lint-staged": "^10.4.0",
     "locate-character": "^2.0.5",
     "magic-string": "^0.25.7",
-    "markdownlint-cli": "^0.23.2",
+    "markdownlint-cli": "^0.24.0",
     "micromatch": "^4.0.2",
     "mocha": "^8.1.3",
     "node-fetch": "^2.6.1",
     "nyc": "^15.1.0",
     "prettier": "^2.1.2",
     "pretty-bytes": "^5.4.1",
-    "pretty-ms": "^7.0.0",
+    "pretty-ms": "^7.0.1",
     "require-relative": "^0.8.7",
     "requirejs": "^2.3.6",
-    "rollup": "^2.26.11",
+    "rollup": "^2.28.2",
     "rollup-plugin-license": "^2.2.0",
     "rollup-plugin-string": "^3.0.0",
     "rollup-plugin-terser": "^7.0.2",
@@ -124,12 +124,12 @@
     "source-map-support": "^0.5.19",
     "sourcemap-codec": "^1.4.8",
     "systemjs": "^6.6.1",
-    "terser": "^5.3.1",
+    "terser": "^5.3.4",
     "tslib": "^2.0.1",
     "tslint": "^6.1.3",
-    "typescript": "^4.0.2",
+    "typescript": "^4.0.3",
     "url-parse": "^1.4.7",
-    "yargs-parser": "^20.0.0"
+    "yargs-parser": "^20.2.1"
   },
   "files": [
     "dist/**/*.js",

src/Graph.ts

@@ -77,9 +77,9 @@ export default class Graph {
 				for (const key of Object.keys(cache)) cache[key][0]++;
 			}
 		}
-		this.contextParse = (code: string, options: acorn.Options = {}) =>
+		this.contextParse = (code: string, options: Partial<acorn.Options> = {}) =>
 			this.acornParser.parse(code, {
-				...this.options.acorn,
+				...(this.options.acorn as acorn.Options),
 				...options
 			});
 

src/Module.ts

@@ -642,7 +642,7 @@ export default class Module {
 		if (ast) {
 			this.esTreeAst = ast;
 		} else {
-			this.esTreeAst = tryParse(this, this.graph.acornParser, this.options.acorn);
+			this.esTreeAst = tryParse(this, this.graph.acornParser, this.options.acorn as acorn.Options);
 			for (const comment of this.comments) {
 				if (!comment.block && SOURCEMAPPING_URL_RE.test(comment.text)) {
 					this.alwaysRemovedCode.push([comment.start, comment.end]);

src/utils/options/normalizeInputOptions.ts

@@ -92,7 +92,7 @@ const getOnwarn = (config: GenericConfigObject): WarningHandler => {
 
 const getAcorn = (config: GenericConfigObject): acorn.Options => ({
 	allowAwaitOutsideFunction: true,
-	ecmaVersion: 2020,
+	ecmaVersion: 'latest',
 	preserveParens: false,
 	sourceType: 'module',
 	...(config.acorn as Object)