fix(parse): 🐛 Fix support for multiple unary operators

Author: vivaxy

.vscode/launch.json

@@ -0,0 +1,17 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Run test",
+      "program": "${workspaceFolder}/node_modules/ava/profile.js",
+      "args": ["${file}"],
+      "cwd": "${workspaceFolder}",
+      "skipFiles": ["<node_internals>/**/*.js"]
+    }
+  ]
+}

lib/__tests__/fixtures/execute/unary-expression-006/input.json

@@ -0,0 +1,32 @@
+{
+  "type": "Program",
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "expression": {
+        "type": "UnaryExpression",
+        "operator": "~",
+        "argument": {
+          "type": "UnaryExpression",
+          "operator": "~",
+          "argument": {
+            "type": "UnaryExpression",
+            "operator": "~",
+            "argument": {
+              "type": "UnaryExpression",
+              "operator": "~",
+              "argument": {
+                "type": "UnaryExpression",
+                "operator": "~",
+                "argument": {
+                  "type": "Literal",
+                  "value": 0
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  ]
+}

lib/__tests__/fixtures/execute/unary-expression-006/output.js

@@ -0,0 +1,6 @@
+/**
+ * @since 20180731 09:59
+ * @author vivaxy
+ */
+
+module.exports = -1;

lib/__tests__/fixtures/parse/unary-expression-005/input.js

@@ -0,0 +1 @@
+~~0

lib/__tests__/fixtures/parse/unary-expression-005/output.json

@@ -0,0 +1,20 @@
+{
+  "type": "Program",
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "expression": {
+        "type": "UnaryExpression",
+        "operator": "~",
+        "argument": {
+          "type": "UnaryExpression",
+          "operator": "~",
+          "argument": {
+            "type": "Literal",
+            "value": 0
+          }
+        }
+      }
+    }
+  ]
+}

lib/__tests__/fixtures/parse/unary-expression-006/input.js

@@ -0,0 +1 @@
+~~~~~0

lib/__tests__/fixtures/parse/unary-expression-006/output.json

@@ -0,0 +1,32 @@
+{
+  "type": "Program",
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "expression": {
+        "type": "UnaryExpression",
+        "operator": "~",
+        "argument": {
+          "type": "UnaryExpression",
+          "operator": "~",
+          "argument": {
+            "type": "UnaryExpression",
+            "operator": "~",
+            "argument": {
+              "type": "UnaryExpression",
+              "operator": "~",
+              "argument": {
+                "type": "UnaryExpression",
+                "operator": "~",
+                "argument": {
+                  "type": "Literal",
+                  "value": 0
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  ]
+}