feat: log method support depth option

lib/handlebars/helpers/log.js

@@ -1,6 +1,6 @@
 export default function (instance) {
   instance.registerHelper('log', function (/* message, options */) {
-    let args = [undefined],
+    let args = [undefined, undefined],
       options = arguments[arguments.length - 1];
     for (let i = 0; i < arguments.length - 1; i++) {
       args.push(arguments[i]);
@@ -14,6 +14,12 @@ export default function (instance) {
     }
     args[0] = level;
 
+    if (options.hash.depth != null) {
+      args[1] = options.hash.depth;
+    } else if (options.data && options.data.depth != null) {
+      args[1] = options.data.depth;
+    }
+
     instance.log(...args);
   });
 }

lib/handlebars/logger.js

@@ -3,6 +3,7 @@ import { indexOf } from './utils';
 let logger = {
   methodMap: ['debug', 'info', 'warn', 'error'],
   level: 'info',
+  depth: 2,
 
   // Maps a given level value to the `methodMap` indexes above.
   lookupLevel: function (level) {
@@ -18,9 +19,19 @@ let logger = {
     return level;
   },
 
+  convertDepth: function (depth) {
+    depth = parseInt(depth, 10);
+    if (isNaN(depth) || depth < 0) {
+      depth = logger.depth;
+    }
+
+    return depth;
+  },
+
   // Can be overridden in the host environment
-  log: function (level, ...message) {
+  log: function (level, depth, ...message) {
     level = logger.lookupLevel(level);
+    depth = logger.convertDepth(depth);
 
     if (
       typeof console !== 'undefined' &&
@@ -31,6 +42,21 @@ let logger = {
       if (!console[method]) {
         method = 'log';
       }
+
+      const isNodeEnvironment =
+        typeof process !== 'undefined' &&
+        process.versions && // eslint-disable-line no-undef
+        process.versions.node; // eslint-disable-line no-undef
+      if (isNodeEnvironment && depth !== 2) {
+        const { inspect } = import('util');
+        message = message.map((msg) => {
+          return inspect(msg, {
+            depth: depth,
+            colors: true,
+          });
+        });
+      }
+
       console[method](...message); // eslint-disable-line no-console
     }
   },