Add support for resolving a pkg from an alias in browser REPL

kgryte · kgryte · commit 55f998a7b1c3 · 2017-07-18T13:27:45.000-07:00
diff --git a/lib/node_modules/@stdlib/repl/scripts/browser.js b/lib/node_modules/@stdlib/repl/scripts/browser.js
@@ -14,6 +14,7 @@ var docs = require( '@stdlib/repl/help' );
 // VARIABLES //
 
 var NO_HELP_TEXT = 'No help information available.';
+var NO_PKG_TEXT = 'Unrecognized alias.';
 var NAMESPACE = namespace();
 var DOCS = docs();
 
@@ -63,6 +64,32 @@ function ns() {
 	}
 } // end FUNCTION ns()
 
+/**
+* Prints the package name corresponding to a provided alias.
+*
+* @private
+* @param {*} alias - variable alias or value
+*/
+function alias2pkg( alias ) {
+	var txt;
+	var i;
+
+	// Check if provided an alias or a known value reference...
+	for ( i = 0; i < NAMESPACE.length; i++ ) {
+		if (
+			alias === NAMESPACE[ i ].alias ||
+			alias === NAMESPACE[ i ].value
+		) {
+			txt = NAMESPACE[ i ].path;
+			break;
+		}
+	}
+	if ( txt === void 0 ) {
+		txt = NO_PKG_TEXT;
+	}
+	console.log( txt ); // eslint-disable-line no-console
+} // end FUNCTION alias2pkg()
+
 
 // MAIN //
 
@@ -87,7 +114,8 @@ function main() {
 		'help': help,
 		'_help': help, // Firefox devtools already aliases `help` (and `?`) to a read-only value :(
 		'require': require,
-		'namespace': ns
+		'namespace': ns,
+		'alias2pkg': alias2pkg
 	};
 	paths = [];
 	for ( i = 0; i < NAMESPACE.length; i++ ) {
