tools: replace closure-linter with eslint

PR-URL: https://github.com/iojs/io.js/pull/1539
Fixes: https://github.com/iojs/io.js/issues/1253
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>

1 files changed, 90 insertions, 0 deletions

diff --git a/tools/eslint/lib/formatters/stylish.js b/tools/eslint/lib/formatters/stylish.js
new file mode 100644
index 0000000000..59e01d0b3e
--- /dev/null
+++ b/tools/eslint/lib/formatters/stylish.js
@@ -0,0 +1,90 @@
+/**
+ * @fileoverview Stylish reporter
+ * @author Sindre Sorhus
+ */
+"use strict";
+
+var chalk = require("chalk"),
+    table = require("text-table");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Given a word and a count, append an s if count is not one.
+ * @param {string} word A word in its singular form.
+ * @param {int} count A number controlling whether word should be pluralized.
+ * @returns {string} The original word with an s on the end if count is not one.
+ */
+function pluralize(word, count) {
+    return (count === 1 ? word : word + "s");
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    var output = "\n",
+        total = 0,
+        errors = 0,
+        warnings = 0,
+        summaryColor = "yellow";
+
+    results.forEach(function(result) {
+        var messages = result.messages;
+
+        if (messages.length === 0) {
+            return;
+        }
+
+        total += messages.length;
+        output += chalk.underline(result.filePath) + "\n";
+
+        output += table(
+            messages.map(function(message) {
+                var messageType;
+
+                if (message.fatal || message.severity === 2) {
+                    messageType = chalk.red("error");
+                    summaryColor = "red";
+                    errors++;
+                } else {
+                    messageType = chalk.yellow("warning");
+                    warnings++;
+                }
+
+                return [
+                    "",
+                    message.line || 0,
+                    message.column || 0,
+                    messageType,
+                    message.message.replace(/\.$/, ""),
+                    chalk.gray(message.ruleId || "")
+                ];
+            }),
+            {
+                align: ["", "r", "l"],
+                stringLength: function(str) {
+                    return chalk.stripColor(str).length;
+                }
+            }
+        ).split("\n").map(function(el) {
+            return el.replace(/(\d+)\s+(\d+)/, function(m, p1, p2) {
+                return chalk.gray(p1 + ":" + p2);
+            });
+        }).join("\n") + "\n\n";
+    });
+
+    if (total > 0) {
+        output += chalk[summaryColor].bold([
+            "\u2716 ", total, pluralize(" problem", total),
+            " (", errors, pluralize(" error", errors), ", ",
+            warnings, pluralize(" warning", warnings), ")\n"
+        ].join(""));
+    }
+
+    return total > 0 ? output : "";
+};