Added v1 of the extension.

main.js

@@ -0,0 +1,55 @@
+/*jslint vars: true, plusplus: true, devel: true, nomen: true, indent: 4, maxerr: 50 */
+/*global define, brackets, $, window, yaml, Mustache */
+define(function (require, exports, module) {
+    'use strict';
+    var AppInit = brackets.getModule("utils/AppInit"),
+        CodeInspection = brackets.getModule("language/CodeInspection");
+    var yaml = require("js-yaml");
+
+    function buildLinterErrorObject(ex, type) {
+        var o = {
+            pos: {line: ex.mark.line, ch: ex.mark.column},
+            type: type
+        };
+        var message = ex.toString();
+        if (message.indexOf('JS-YAML: ') === 0) {
+            message = message.substring('JS-YAML: '.length);
+        }
+        o.message = message;
+
+        return o;
+    }
+
+    function yamlLinter(text, fullPath) {
+        var warnings = [];
+        var error = null;
+        var i = 0;
+
+        try {
+            yaml.safeLoad(text, {
+                'onWarning': function (w) { warnings.push(w); }
+            });
+        } catch (e) {
+            error = e;
+        }
+
+        var result = { errors: [] };
+        if (warnings) {
+            for (i = 0; i < warnings.length; i++) {
+                result.errors.push(buildLinterErrorObject(warnings[i], CodeInspection.Type.WARNING));
+            }
+        }
+        if (error) {
+            result.errors.push(buildLinterErrorObject(error, CodeInspection.Type.ERROR));
+        }
+
+        if (result.errors) {
+            return result;
+        }
+        else {
+            return null;
+        }
+    }
+
+    AppInit.appReady(function () { CodeInspection.register("yaml", { name: "YamlLint", scanFile: yamlLinter }); });
+});

package.json

@@ -0,0 +1,19 @@
+{
+  "name": "brackets-yaml-linter",
+  "title": "YAML Linter",
+  "version": "1.0.0",
+  "description": "Provides linting functionality for YAML files",
+  "homepage": "https://github.com/slai/brackets-yaml-linter",
+  "author": "Samuel Lai <sam@edgylogic.com>",
+  "license": "MIT",
+  "categories": "editing",
+  "keywords": [
+    "yaml",
+    "lint",
+    "coding",
+    "editing"
+  ],
+  "engines": {
+    "brackets": ">=0.38.0"
+  }
+}

requirejs-config.json

@@ -0,0 +1,5 @@
+{
+    "paths": {
+        "js-yaml": "./thirdparty/js-yaml"
+    }
+}