fix(cli): Bookmark list output is not a valid JSON. Fixes #150 (#181)

* bookmark list output is not a valid JSON #150
Reworked the cli to switch over to json output

* changed the logging to log created bookmarks as an array
switch all log output that is just a status to stderr

---------

Co-authored-by: kamtschatka <simon.schatka@gmx.at>

2 files changed, 62 insertions, 0 deletions

diff --git a/apps/cli/src/lib/globals.ts b/apps/cli/src/lib/globals.ts
index 771136da..8a301cfe 100644
--- a/apps/cli/src/lib/globals.ts
+++ b/apps/cli/src/lib/globals.ts
@@ -1,6 +1,7 @@
 export interface GlobalOptions {
   apiKey: string;
   serverAddr: string;
+  json?: true;
 }
 
 export let globalOpts: GlobalOptions | undefined = undefined;
diff --git a/apps/cli/src/lib/output.ts b/apps/cli/src/lib/output.ts
new file mode 100644
index 00000000..34d86461
--- /dev/null
+++ b/apps/cli/src/lib/output.ts
@@ -0,0 +1,61 @@
+import { InspectOptions } from "util";
+import chalk from "chalk";
+
+import { getGlobalOptions } from "./globals";
+
+/**
+ * Prints an object either in a nicely formatted way or as JSON (depending on the command flag --json)
+ *
+ * @param output
+ */
+export function printObject(
+  output: object,
+  extraOptions?: InspectOptions,
+): void {
+  if (getGlobalOptions().json) {
+    console.log(JSON.stringify(output, undefined, 4));
+  } else {
+    console.dir(output, extraOptions);
+  }
+}
+
+/**
+ * Used to output a status (success/error) and a message either as string or as JSON (depending on the command flag --json)
+ *
+ * @param success if the message is a successful message or an error
+ * @param output the message to output
+ */
+export function printStatusMessage(success: boolean, message: unknown): void {
+  const status = success ? "Success" : "Error";
+  const colorFunction = success ? chalk.green : chalk.red;
+  console.error(colorFunction(`${status}: ${message}`));
+}
+
+/**
+ * @param message The message that will be printed as a successful message
+ * @returns a function that can be used in a Promise on success
+ */
+export function printSuccess(message: string) {
+  return () => {
+    printStatusMessage(true, message);
+  };
+}
+
+/**
+ * @param message The message that will be printed as an error message
+ * @returns a function that can be used in a Promise on rejection
+ */
+export function printError(message: string) {
+  return (error: object) => {
+    printErrorMessageWithReason(message, error);
+  };
+}
+
+/**
+ * @param message The message that will be printed as an error message
+ * @param error an error object with the reason for the error
+ */
+export function printErrorMessageWithReason(message: string, error: object) {
+  const errorMessage = "message" in error ? error.message : error;
+  printStatusMessage(false, `${message}. Reason: ${errorMessage}`);
+}