[runmode addon] Fix lint issues

Author: marijnh

rollup.config.js

@@ -5,14 +5,14 @@ export default [
     input: "src/codemirror.js",
     output: {
       banner: `// CodeMirror, copyright (c) by Marijn Haverbeke and others
-  // Distributed under an MIT license: https://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
-  // This is CodeMirror (https://codemirror.net), a code editor
-  // implemented in JavaScript on top of the browser's DOM.
-  //
-  // You can find some technical background for some of the code below
-  // at http://marijnhaverbeke.nl/blog/#cm-internals .
-  `,
+// This is CodeMirror (https://codemirror.net), a code editor
+// implemented in JavaScript on top of the browser's DOM.
+//
+// You can find some technical background for some of the code below
+// at http://marijnhaverbeke.nl/blog/#cm-internals .
+`,
       format: "umd",
       file: "lib/codemirror.js",
       name: "CodeMirror"

src/addon/runmode/codemirror-standalone.js

@@ -1,6 +1,8 @@
 import StringStream from "../../util/StringStream.js"
 import * as modeMethods from "../../modes.js"
 
+// declare global: globalThis, CodeMirror
+
 // Create a minimal CodeMirror needed to use runMode, and assign to root.
 var root = typeof globalThis !== 'undefined' ? globalThis : window
 root.CodeMirror = {}
@@ -14,7 +16,7 @@ CodeMirror.defineMode("null", () => ({token: stream => stream.skipToEnd()}))
 CodeMirror.defineMIME("text/plain", "null")
 
 CodeMirror.registerHelper = CodeMirror.registerGlobalHelper = Math.min
-CodeMirror.splitLines = function(string) { return string.split(/\r?\n|\r/); }
+CodeMirror.splitLines = function(string) { return string.split(/\r?\n|\r/) }
 
 CodeMirror.defaults = { indentUnit: 2 }
-export default CodeMirror;
+export default CodeMirror

src/addon/runmode/codemirror.node.js

@@ -7,7 +7,7 @@ exports.StringStream = StringStream
 exports.countColumn = countColumn
 for (var exported in modeMethods) exports[exported] = modeMethods[exported]
 
-// Shim library CodeMirror with the minimal CodeMirror defined above. 
+// Shim library CodeMirror with the minimal CodeMirror defined above.
 require.cache[require.resolve("../../lib/codemirror")] = require.cache[require.resolve("./runmode.node")]
 require.cache[require.resolve("../../addon/runmode/runmode")] = require.cache[require.resolve("./runmode.node")]
 
@@ -16,6 +16,6 @@ exports.defineMode("null", () => ({token: stream => stream.skipToEnd()}))
 exports.defineMIME("text/plain", "null")
 
 exports.registerHelper = exports.registerGlobalHelper = Math.min
-exports.splitLines = function(string) { return string.split(/\r?\n|\r/); }
+exports.splitLines = function(string) { return string.split(/\r?\n|\r/) }
 
 exports.defaults = { indentUnit: 2 }