js: Add .eslintrc.

.eslintrc

@@ -0,0 +1,47 @@
+# vim: ft=yaml
+
+env:
+   browser: true
+
+rules:
+    block-scoped-var: 2
+    complexity: [2, 5]
+    dot-location: 2
+    default-case: 2
+    guard-for-in: 2
+    no-div-regex: 2
+    no-param-reassign: 2
+    no-eq-null: 2
+    no-floating-decimal: 2
+    no-self-compare: 2
+    no-throw-literal: 2
+    no-void: 2
+    radix: 2
+    wrap-iife: 2
+    brace-style: [2, "1tbs", {"allowSingleLine": true}]
+    comma-style: [2, "last"]
+    consistent-this: [2, "self"]
+    func-names: 2
+    func-style: [2, "declaration"]
+    indent: [2, 4, {"indentSwitchCase": true}]
+    linebreak-style: [2, "unix"]
+    max-nested-callbacks: [2, 3]
+    no-lonely-if: 2
+    no-multiple-empty-lines: [2, {"max": 2}]
+    no-nested-ternary: 2
+    no-unneeded-ternary: 2
+    operator-assignment: [2, "always"]
+    operator-linebreak: [2, "after"]
+    space-after-keywords: [2, "always"]
+    space-before-blocks: [2, "always"]
+    space-before-function-paren: [2, {"anonymous": "always", "named": "never"}]
+    space-in-brackets: [2, "never"]
+    space-in-parens: [2, "never"]
+    space-unary-ops: [2, {"words": true, "nonwords": false}]
+    spaced-line-comment: [2, "always"]
+    max-depth: [2, 5]
+    max-len: [2, 79, 4]
+    max-params: [2, 5]
+    max-statements: [2, 20]
+    no-bitwise: 2
+    no-reserved-keys: 2