fix #3: error out only when stdout is empty

When executing tesseract, sometimes we get the correct output on stdout
and an error on stderr, in that case we simply use the stdout and
discard the error. Bump to version 0.3.8.

manifest.json

@@ -1,7 +1,7 @@
 {
 	"id": "image-ocr",
 	"name": "Image OCR",
-	"version": "0.3.7",
+	"version": "0.3.8",
 	"minAppVersion": "0.15.0",
 	"description": "Runs OCR on images and copies content in image caption.",
 	"author": "kaffarell",

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "image-ocr",
-	"version": "0.3.7",
+	"version": "0.3.8",
 	"description": "Runs ocr on pasted images and posts result in details box. This allows to search in images.",
 	"main": "dist/main.js",
 	"scripts": {

src/main.ts

@@ -174,7 +174,8 @@ export default class TesseractOcrPlugin extends Plugin {
 			execution.on('close', () => {
                 if (this.settings.debug == true) console.log('tesseract output: ' + stdout.join(''));
                 if (this.settings.debug == true) console.log('tesseract output: ' + error.join(''));
-				if (error.length) reject(error.join(''));
+				// if we don't get any output, reject
+				if (stdout.join('').length == 0) reject(error.join(''));
 				else resolve(stdout.join(''));
 			});
 

versions.json

@@ -8,5 +8,6 @@
 	"0.3.4": "0.15.0",
 	"0.3.5": "0.15.0",
 	"0.3.6": "0.15.0",
-	"0.3.7": "0.15.0"
+	"0.3.7": "0.15.0",
+	"0.3.8": "0.15.0"
 }