jintr - npm Package Compare versions

Comparing version 0.1.8 to 0.1.9

dist/src/main.js

@@ -14,15 +14,36 @@ "use strict";
         this.scope = this.visitor.scope;
-        const console_polyfill = {
-            log: (args) => console.log(...args)
-        };
-        const string_polyfill = {
-            fromCharCode: (num) => String.fromCharCode(num)
-        };
-        const math_polyfill = {
-            pow: (args) => Math.pow(...args)
-        };
-        this.scope.set('console', console_polyfill);
-        this.scope.set('String', string_polyfill);
-        this.scope.set('Math', math_polyfill);
-        this.scope.set('Date', Date);
+        this.visitor.on('console', (node, visitor) => {
+            if (node.type === 'Identifier')
+                return console;
+            const prop = visitor.visitNode(node.callee.property);
+            const args = node.arguments.map((arg) => visitor.visitNode(arg));
+            const console_prop = console[prop];
+            if (!console_prop)
+                return 'proceed';
+            return console_prop(...args);
+        });
+        this.visitor.on('Math', (node, visitor) => {
+            if (node.type === 'Identifier')
+                return Math;
+            const prop = visitor.visitNode(node.callee.property);
+            const args = node.arguments.map((arg) => visitor.visitNode(arg));
+            const math_prop = Math[prop];
+            if (!math_prop)
+                return 'proceed';
+            return math_prop(...args);
+        });
+        this.visitor.on('String', (node, visitor) => {
+            if (node.type === 'Identifier')
+                return String;
+            const prop = visitor.visitNode(node.callee.property);
+            const args = node.arguments.map((arg) => visitor.visitNode(arg));
+            const string_prop = String[prop];
+            if (!string_prop)
+                return 'proceed';
+            return string_prop(args);
+        });
+        this.visitor.on('Date', (node) => {
+            if (node.type === 'Identifier')
+                return Date;
+        });
     }
@@ -29,0 +50,0 @@ interpret() {

dist/src/nodes/BlockStatement.js

@@ -13,3 +13,4 @@ "use strict";
                 stmt.type === 'IfStatement' ||
-                stmt.type === 'ForStatement') &&
+                stmt.type === 'ForStatement' ||
+                stmt.type === 'TryStatement') &&
                 !!result) {
@@ -16,0 +17,0 @@ return result;

dist/src/nodes/CallExpression.js

@@ -5,4 +5,13 @@ "use strict";
     static visit(node, visitor) {
-        var _a;
-        const fn_name = node.callee.name || ((_a = node.callee.property) === null || _a === void 0 ? void 0 : _a.name);
+        var _a, _b;
+        const obj_name = (_a = node.callee.object) === null || _a === void 0 ? void 0 : _a.name;
+        const fn_name = node.callee.name || ((_b = node.callee.property) === null || _b === void 0 ? void 0 : _b.name);
+        // Obj.fn(...);
+        if (visitor.listeners[obj_name]) {
+            const cb = visitor.listeners[obj_name](node, visitor);
+            if (cb !== 'proceed') {
+                return cb;
+            }
+        }
+        // ?.fn(...);
         if (visitor.listeners[fn_name]) {
@@ -65,3 +74,3 @@ const cb = visitor.listeners[fn_name](node, visitor);
                 const arr = visitor.visitNode(node.callee.object);
-                // Set forEach's visitorArg
+                // Set forEach's “this” arg
                 if (args.length > 1) {
@@ -88,2 +97,6 @@ visitor.scope.set('_this', args.slice(-1)[0]);
             const args = node.arguments.map((arg) => visitor.visitNode(arg));
+            if (callee.toString().includes('[native code]')) {
+                const obj = visitor.visitNode(node.callee.object);
+                return obj[node.callee.property.name]();
+            }
             return callee(args);
@@ -90,0 +103,0 @@ }

dist/src/nodes/Identifier.js

@@ -6,3 +6,6 @@ "use strict";
         if (visitor.listeners[node.name]) {
-            return visitor.listeners[node.name](node, visitor);
+            const cb = visitor.listeners[node.name](node, visitor);
+            if (cb !== 'proceed') {
+                return cb;
+            }
         }
@@ -9,0 +12,0 @@ if (visitor.scope.has(node.name))

package.json

 {
   "name": "jintr",
-  "version": "0.1.8",
+  "version": "0.1.9",
   "description": "A tiny JavaScript interpreter written in TypeScript.",
@@ -5,0 +5,0 @@ "main": "./dist/index.js",

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Improved metrics

Total package byte prevSize

37473

increased by4.56%

Lines of code

967

increased by4.09%

No dependency changes