lint: Automatic import ordering

Use eslint to automatically check and fix imports, so that we don't have to
worry about them anymore.

Author: bertschneider

.eslintrc.json

@@ -9,7 +9,9 @@
 	"extends": [
 		"eslint:recommended",
 		"plugin:@typescript-eslint/recommended",
-		"prettier"
+		"prettier",
+		"plugin:import/recommended",
+		"plugin:import/typescript"
 	],
 	"overrides": [
 		{
@@ -19,7 +21,35 @@
 				"@typescript-eslint/no-var-requires": "off",
 				"@typescript-eslint/ban-ts-comment": "off",
 				"@typescript-eslint/no-unused-vars": "off",
-				"header/header": [2, ".header.js"]
+				"header/header": [2, ".header.js"],
+				"import/first": "error",
+				"import/newline-after-import": "error",
+				"import/order": [
+					"error",
+					{
+						"alphabetize": {
+							"order": "asc",
+							"caseInsensitive": true
+						},
+						"newlines-between": "always",
+						"distinctGroup": true,
+						"pathGroupsExcludedImportTypes": ["builtin"],
+						"pathGroups": [
+							{
+								"pattern": "@jazzer.js/**",
+								"group": "external",
+								"position": "after"
+							}
+						]
+					}
+				],
+				"sort-imports": [
+					"error",
+					{
+						"ignoreCase": true,
+						"ignoreDeclarationSort": true
+					}
+				]
 			}
 		},
 		{

examples/bug-detectors/command-injection/custom-hooks.js

@@ -14,11 +14,11 @@
  * limitations under the License.
  */
 
-const { registerReplaceHook } = require("@jazzer.js/hooking");
 const {
 	guideTowardsEquality,
 	reportAndThrowFinding,
 } = require("@jazzer.js/core");
+const { registerReplaceHook } = require("@jazzer.js/hooking");
 
 /**
  * Custom bug detector for command injection. This hook does not call the original function (execSync) for two reasons:

examples/bug-detectors/command-injection/fuzz.js

@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 
-const { FuzzedDataProvider } = require("@jazzer.js/core");
 const root = require("global-modules-path");
 
+const { FuzzedDataProvider } = require("@jazzer.js/core");
+
 module.exports.fuzz = function (data) {
 	const provider = new FuzzedDataProvider(data);
 	const str1 = provider.consumeString(provider.consumeIntegralInRange(1, 20));

examples/bug-detectors/path-traversal/fuzz.js

@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 
-const JSZip = require("jszip");
 const path = require("path");
 
+const JSZip = require("jszip");
+
 /**
  * This demonstrates the path traversal bug detector on a vulnerable version of jszip.
  * @param { Buffer } data

examples/protobufjs/protobufjs.fuzz.js

@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 
+import fs from "fs";
+
 import proto from "protobufjs";
 import { temporaryWriteSync } from "tempy";
-import fs from "fs";
 
 describe("protobufjs", () => {
 	test.fuzz("loadSync", (data) => {

fuzztests/fuzzer.fuzz.js

@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-const { fuzzer } = require("@jazzer.js/fuzzer");
 const { FuzzedDataProvider } = require("@jazzer.js/core");
+const { fuzzer } = require("@jazzer.js/fuzzer");
 
 describe("fuzzer", () => {
 	it.fuzz("traceStrCmp", (data) => {

fuzztests/instrument.fuzz.js

@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-const { Instrumentor } = require("@jazzer.js/instrumentor");
 const { FuzzedDataProvider } = require("@jazzer.js/core");
+const { Instrumentor } = require("@jazzer.js/instrumentor");
 
 describe("instrument", () => {
 	it.fuzz("shouldInstrumentFn", (data) => {

fuzztests/runFuzzTests.js

@@ -18,8 +18,8 @@
 // Helper script that searches for Jest fuzz tests in the current directory and
 // executes them in new processes using the found fuzz test names.
 
-const fs = require("fs/promises");
 const { spawn } = require("child_process");
+const fs = require("fs/promises");
 
 const fuzzTestFileExtension = "fuzz.js";
 const fuzzTestNameRegex = /it.fuzz\s*\(\s*"(.*)"/g;