Fix linters

src/lint.ts

@@ -2,7 +2,7 @@ import { TypeScriptVersion } from "@definitelytyped/typescript-versions";
 import { typeScriptPath } from "@definitelytyped/utils";
 import assert = require("assert");
 import { pathExists } from "fs-extra";
-import { join as joinPaths, normalize, basename, dirname } from "path";
+import { basename, dirname, join as joinPaths, normalize } from "path";
 import { Configuration, ILinterOptions, Linter } from "tslint";
 import * as TsType from "typescript";
 type Configuration = typeof Configuration;
@@ -77,17 +77,18 @@ function testDependencies(
         getNewLine: () => "\n",
     });
 
-    const message = `Errors in typescript@${version} for external dependencies:\n${showDiags}`
+    const message = `Errors in typescript@${version} for external dependencies:\n${showDiags}`;
 
     // Add an edge-case for someone needing to `npm install` in react when they first edit a DT module which depends on it - #226
-    const cannotFindDepsDiags = diagnostics.find(d => d.code === 2307 && d.messageText.toString().includes("Cannot find module"))
+    const cannotFindDepsDiags = diagnostics.find(d => d.code === 2307 && d.messageText.toString().includes("Cannot find module"));
     if (cannotFindDepsDiags && cannotFindDepsDiags.file) {
-        const path = cannotFindDepsDiags.file.fileName
-        const typesFolder = basename(dirname(path))
+        const path = cannotFindDepsDiags.file.fileName;
+        const typesFolder = basename(dirname(path));
 
-        return `A module look-up failed, the most common case for this error are dependencies which needs to be \`npm installed\` before you can lint.
-        
-Before you debug, first try running: 
+        return `
+A module look-up failed, this often occurs when you need to run \`npm install\` on a dependent module before you can lint.
+
+Before you debug, first try running:
    npm install --prefix types/${typesFolder}
 
 Then re-run. Full error logs are below.