Switch to ESLint and fix all the lint errors.

Author: pdubroy

.eslintrc

@@ -0,0 +1,53 @@
+{
+  // To minimize dependencies on Node- or browser-specific features, leave the
+  // env empty, and instead define globals as needed.
+  "env": {},
+
+  // Project-wide globals. If other globals are necessary, prefer putting them
+  // in a comment at the top of the file rather than adding them here.
+  "globals": {
+    "console": true,
+    "module": true,
+    "require": true,
+  },
+  "rules": {
+    // Enforce "one true brace style", allowing start and end braces to be
+    // on the same line.
+    "brace-style": [2, "1tbs", {"allowSingleLine": true}],
+
+    // Enforce the name 'self' when assigning `this` to a local variable.
+    "consistent-this": [0, "self"],
+
+    // Enforce two-space indentation.
+    "indent": [2, 2, {indentSwitchCase: true}],
+
+    // Enforce the use of strict mode at the file level.
+    "global-strict": [2, "always"],
+
+    // Allow things like `while(true)`.
+    "no-constant-condition": 0,
+
+    // Allow variable shadowing.
+    "no-shadow": 0,
+
+    // Restrict what kind of objects can be used with 'throw'.
+    "no-throw-literal": 2,
+
+    // Allow identifiers with leading or trailing underscores.
+    "no-underscore-dangle": 0,
+
+    // Allow unused parameters, but not unused variables.
+    "no-unused-vars": [2, {"vars": "all", "args": "none"}],
+
+    // Allow functions to be used before they are defined.
+    "no-use-before-define": [2, "nofunc"],
+
+    // Use single quotes, except when escaping would be necessary.
+    "quotes": [2, "single", "avoid-escape"],
+
+    // Force IIFEs to be wrapped in parentheses.
+    "wrap-iife": [2, "inside"],
+
+    "yoda": [2, "never", {"exceptRange": true}]
+  }
+}

cli.js

@@ -1,4 +1,7 @@
 #!/usr/bin/env node
+/* eslint-env node */
+
+'use strict';
 
 var commander = require('commander'),
     fs = require('fs'),

index.js

@@ -1 +1,3 @@
+'use strict';
+
 module.exports = require('./lib/markscript');

package.json

@@ -12,7 +12,7 @@
   "devDependencies": {
     "browserify": "^5.9.1",
     "dirwatch": "^1.1.0",
-    "jshint": "^2.5.2",
+    "eslint": "^0.17.1",
     "tap-spec": "^1.0.1",
     "tape": "^2.13.4",
     "watchify": "^1.0.1"
@@ -21,7 +21,7 @@
     "test": "tape test/*.js | tap-spec",
     "test-continuous": "npm test; dirwatch *.js test/*.js -c 'which tput && tput clear; date; tape test/*.js' | tap-spec",
     "prepublish": "npm run test && npm run lint",
-    "lint": "jshint index.js lib test"
+    "lint": "eslint *.js lib test"
   },
   "main": "index.js",
   "directories": {

test/test-markscript.js

@@ -1,3 +1,7 @@
+/* eslint-env node */
+
+'use strict';
+
 var assert = require('assert'),
     fs = require('fs'),
     fork = require('child_process').fork,