Merge pull request #152 from geographika/raw-output

Allow raw GeoStyler output option

src/index.ts

@@ -136,7 +136,7 @@ async function collectPaths(basePath: string, isFile: boolean): Promise<string[]
 
 async function writeFile(
   sourceFile: string, sourceParser: StyleParser,
-  targetFile: string, targetParser: StyleParser,
+  targetFile: string, targetParser: StyleParser | undefined,
   oraIndicator: Ora
 ) {
   const inputFileData = await promises.readFile(sourceFile, 'utf-8');
@@ -146,7 +146,7 @@ async function writeFile(
     indicator.text = `Reading from ${sourceFile}`;
     const geostylerStyle = await sourceParser.readStyle(inputFileData);
     indicator.text = `Writing to ${targetFile}`;
-    const targetStyle = await targetParser.writeStyle(geostylerStyle);
+    const targetStyle = targetParser ? await targetParser.writeStyle(geostylerStyle) : JSON.stringify(geostylerStyle);
     if (targetFile) {
       await promises.writeFile(targetFile, targetStyle, 'utf-8');
       indicator.succeed(`File "${sourceFile}" translated successfully. Output written to ${targetFile}`);
@@ -229,8 +229,7 @@ async function main() {
     return;
   }
   if (!targetParser) {
-    indicator.fail('No targetparser was specified.');
-    return;
+    indicator.info('No targetparser was specified. Output will be a GeoStyler object.');
   }
 
   // Get source(s) path(s).

src/logHelper.ts

@@ -25,15 +25,18 @@ export const logHelp = () :void => {
 
   Options:
     -h / --help   : Display this help.
-    -o / --output : Output filename or directory. Required. [string]
+    -o / --output : Output filename or directory. Mandatory if the target
+                    is a directory. If not provided for a single file then output
+                    will be written to stdout. [string]
     -s / --source : SourceParser, either "mapbox", "mapfile" or "map", "sld",
                     "qgis" or "qml". If not given, it will be guessed from the
                     extension of the output file. Mandatory if the the target
                     is a directory.
-    -t / --target : Target parser, either "mapbox", "mapfile" or "map", "sld",
-                    "qgis" or "qml". If not given, it will be guessed from the
-                    extension of the output file. Mandatory if the the target
-                    is a directory. Mapfiles are currently not supported as target.
+    -t / --target : Target parser, either "mapbox", "sld", "qgis" or "qml".
+                    Mapfiles are currently not supported as target.
+                    Mandatory if the the target is a directory. If not given and cannot
+                    be guessed from the extension of the output file, the output will
+                    default to GeoStyler objects represented as JSON.
     -v / --version: Display the version of the program.
   `);
 };