Accept empty output directories, see #118

Author: sebastian-lenz

bin/typedoc.js

@@ -7201,6 +7201,13 @@ var td;
              */
             Renderer.prototype.prepareOutputDirectory = function (directory) {
                 if (td.FS.existsSync(directory)) {
+                    if (!td.FS.statSync(directory).isDirectory()) {
+                        this.application.logger.error('The output target "%s" exists but it is not a directory.', directory);
+                        return false;
+                    }
+                    if (td.FS.readdirSync(directory).length == 0) {
+                        return true;
+                    }
                     if (!this.theme.isOutputDirectory(directory)) {
                         this.application.logger.error('The output directory "%s" exists but does not seem to be a documentation generated by TypeDoc.\n' +
                             'Make sure this is the right target directory, delete the folder and rerun TypeDoc.', directory);

src/td/output/Renderer.ts

@@ -258,6 +258,17 @@ module td.output
          */
         private prepareOutputDirectory(directory:string):boolean {
             if (FS.existsSync(directory)) {
+                if (!FS.statSync(directory).isDirectory()) {
+                    this.application.logger.error(
+                        'The output target "%s" exists but it is not a directory.',
+                        directory);
+                    return false;
+                }
+
+                if (FS.readdirSync(directory).length == 0) {
+                    return true;
+                }
+
                 if (!this.theme.isOutputDirectory(directory)) {
                     this.application.logger.error(
                         'The output directory "%s" exists but does not seem to be a documentation generated by TypeDoc.\n' +