Add YAML<->JSON support.

Author: mitchdenny

package-lock.json

@@ -3,7 +3,7 @@
 	"description": "An extension for Visual Studio Code that allows you to quickly convert text selections.",
 	"publisher": "mitchdenny",
 	"displayName": "Encode Decode",
-	"version": "1.6.0",
+	"version": "1.7.0",
 	"keywords": [
 		"encode",
 		"decode",
@@ -86,6 +86,7 @@
 		"ent": "^2.2.0",
 		"entities": "^2.1.0",
 		"html-entities": "2.0.2",
+		"js-yaml": "^3.13.1",
 		"unicode-escape": "^0.1.0"
 	}
 }

package.json

@@ -9,6 +9,7 @@ import * as hash from './lib/hash';
 import * as unicode from './lib/unicode';
 import * as urlEncode from './lib/urlencode';
 import * as xmlentities from './lib/xmlentities';
+import * as yaml from './lib/yaml';
 
 class Context {
 	public failedChanges: Change[] = [];
@@ -144,7 +145,9 @@ function selectAndApplyTransformation(textEditor: vscode.TextEditor, edit: vscod
         new unicode.StringToUnicodeTransformer(),
         new unicode.UnicodeToStringTransformer(),
         new urlEncode.StringToEncodedUrlTransformer(),
-        new urlEncode.EncodedUrlToStringTransformer()
+        new urlEncode.EncodedUrlToStringTransformer(),
+        new yaml.JsonToYamlTransformer(),
+        new yaml.YamlToJsonTransformer()
 	];
 
 	vscode.window.showQuickPick(transformers).then((transformer) => {

src/extension.ts

@@ -0,0 +1,44 @@
+import * as core from './core';
+var yaml = require('js-yaml');
+
+export class JsonToYamlTransformer implements core.Transformer {
+	public get label(): string {
+		return 'JSON to YAML';
+	}
+
+	public get description(): string {
+		return this.label;
+	}
+
+	public check(input: string): boolean {
+		return true;
+	}
+
+	public transform(input: string): string {
+		let parsedInput = JSON.parse(input);
+		let output = yaml.dump(parsedInput);
+
+		return output;
+	}
+}
+
+export class YamlToJsonTransformer implements core.Transformer {
+	public get label(): string {
+		return 'YAML to JSON';
+	}
+
+	public get description(): string {
+		return this.label;
+	}
+
+	public check(input: string): boolean {
+		return true;
+	}
+
+	public transform(input: string): string {
+		var parsedInput = yaml.load(input);
+		let output = JSON.stringify(parsedInput);
+
+		return output;
+	}
+}