+
+const omit = (o, props) => {
+ return Object.fromEntries(Object.entries(o).filter(([k]) => !props.includes(k)));
+};
+
+
+/**
+ * @typedef {object} ConsoleLike
+ * @property {Function} debug log debug
+ */
+
+/**
+ * Log Mystery Box statistics events.
+ * @param {ConsoleLike} logger logger instance
+ * @param {string} scope scope
+ * @returns {Function} stat logger
+ */
+const mysteryBoxLogger = (logger, scope) => {
+ return (s) => {
+ logger.debug(scope, `${s.packageName}@${s.packageVersion}:${s.method}`, omit(s, [
+ 'packageName',
+ 'packageVersion',
+ 'method',
+ ]));
+ };
+};
+
+
+const nop = () => { /**/ };
+