feat(execute): ✨Support MemberExpression

Author: vivaxy

README.md

@@ -23,10 +23,10 @@ JavaScript parser, executor and serializer.
 
 ## Benchmark
 
-@vivaxy/javascript#parse x 6,112 ops/sec ±2.48% (91 runs sampled)
+@vivaxy/javascript#parse x 5,761 ops/sec ±0.28% (91 runs sampled)
 
-@babel/parser#parse x 4,067 ops/sec ±2.24% (86 runs sampled)
+@babel/parser#parse x 3,674 ops/sec ±2.27% (88 runs sampled)
 
-acorn#parse x 2,119 ops/sec ±3.92% (83 runs sampled)
+acorn#parse x 2,224 ops/sec ±1.06% (92 runs sampled)
 
 Fastest is @vivaxy/javascript#parse

lib/__tests__/fixtures/execute/member-expression-000/input.json

@@ -0,0 +1,20 @@
+{
+  "type": "Program",
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "expression": {
+        "type": "MemberExpression",
+        "object": {
+          "type": "Identifier",
+          "name": "item"
+        },
+        "property": {
+          "type": "Identifier",
+          "name": "value"
+        },
+        "computed": false
+      }
+    }
+  ]
+}

lib/__tests__/fixtures/execute/member-expression-000/output.js

@@ -0,0 +1,6 @@
+/**
+ * @since 20180929 16:19
+ * @author vivaxy
+ */
+
+module.exports = 1;

lib/__tests__/fixtures/execute/member-expression-000/scope.js

@@ -0,0 +1,10 @@
+/**
+ * @since 20180929 16:18
+ * @author vivaxy
+ */
+
+module.exports = {
+  item: {
+    value: 1
+  }
+};

lib/__tests__/fixtures/execute/member-expression-001/input.json

@@ -0,0 +1,20 @@
+{
+  "type": "Program",
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "expression": {
+        "type": "MemberExpression",
+        "object": {
+          "type": "Identifier",
+          "name": "item"
+        },
+        "property": {
+          "type": "Literal",
+          "value": "value"
+        },
+        "computed": true
+      }
+    }
+  ]
+}

lib/__tests__/fixtures/execute/member-expression-001/output.js

@@ -0,0 +1,6 @@
+/**
+ * @since 20180929 16:19
+ * @author vivaxy
+ */
+
+module.exports = 1;

lib/__tests__/fixtures/execute/member-expression-001/scope.js

@@ -0,0 +1,10 @@
+/**
+ * @since 20180929 16:18
+ * @author vivaxy
+ */
+
+module.exports = {
+  item: {
+    value: 1
+  }
+};

lib/execute.js

@@ -124,7 +124,15 @@ module.exports = function execute(ast, scope) {
     throw new Error('Unexpected identifier name: ' + ast.name);
   }
   if (ast.type === astTypes.CONDITIONAL_EXPRESSION) {
-    return execute(ast.test) ? execute(ast.consequent) : execute(ast.alternate);
+    return execute(ast.test, scope)
+      ? execute(ast.consequent, scope)
+      : execute(ast.alternate, scope);
+  }
+  if (ast.type === astTypes.MEMBER_EXPRESSION) {
+    if (ast.computed) {
+      return execute(ast.object, scope)[execute(ast.property, scope)];
+    }
+    return execute(ast.object, scope)[ast.property.name];
   }
   throw new Error('Unexpected ast type: ' + ast.type);
 };

package.json

@@ -26,6 +26,7 @@
     "acorn": "^5.7.2",
     "ava": "^0.25.0",
     "benchmark": "^2.1.4",
+    "fast-glob": "^2.2.2",
     "fs-extra": "^7.0.0",
     "husky": "^0.14.3",
     "lint-staged": "^7.2.0",

yarn.lock

@@ -137,6 +137,17 @@
     pretty-ms "^0.2.1"
     text-table "^0.2.0"
 
+"@mrmlnc/readdir-enhanced@^2.2.1":
+  version "2.2.1"
+  resolved "https://registry.npmjs.org/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz#524af240d1a360527b730475ecfa1344aa540dde"
+  dependencies:
+    call-me-maybe "^1.0.1"
+    glob-to-regexp "^0.3.0"
+
+"@nodelib/fs.stat@^1.0.1":
+  version "1.1.2"
+  resolved "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-1.1.2.tgz#54c5a964462be3d4d78af631363c18d6fa91ac26"
+
 "@samverschueren/stream-to-observable@^0.3.0":
   version "0.3.0"
   resolved "https://registry.npmjs.org/@samverschueren/stream-to-observable/-/stream-to-observable-0.3.0.tgz#ecdf48d532c58ea477acfcab80348424f8d0662f"
@@ -832,6 +843,10 @@ call-matcher@^1.0.0:
     espurify "^1.6.0"
     estraverse "^4.0.0"
 
+call-me-maybe@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.npmjs.org/call-me-maybe/-/call-me-maybe-1.0.1.tgz#26d208ea89e37b5cbde60250a15f031c16a4d66b"
+
 call-signature@0.0.2:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/call-signature/-/call-signature-0.0.2.tgz#a84abc825a55ef4cb2b028bd74e205a65b9a4996"
@@ -1585,6 +1600,17 @@ fast-diff@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/fast-diff/-/fast-diff-1.1.2.tgz#4b62c42b8e03de3f848460b639079920695d0154"
 
+fast-glob@^2.2.2:
+  version "2.2.2"
+  resolved "https://registry.npmjs.org/fast-glob/-/fast-glob-2.2.2.tgz#71723338ac9b4e0e2fff1d6748a2a13d5ed352bf"
+  dependencies:
+    "@mrmlnc/readdir-enhanced" "^2.2.1"
+    "@nodelib/fs.stat" "^1.0.1"
+    glob-parent "^3.1.0"
+    is-glob "^4.0.0"
+    merge2 "^1.2.1"
+    micromatch "^3.1.10"
+
 figures@^1.5.0, figures@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/figures/-/figures-1.7.0.tgz#cbe1e3affcf1cd44b80cadfed28dc793a9701d2e"
@@ -1806,6 +1832,17 @@ glob-parent@^2.0.0:
   dependencies:
     is-glob "^2.0.0"
 
+glob-parent@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.npmjs.org/glob-parent/-/glob-parent-3.1.0.tgz#9e6af6299d8d3bd2bd40430832bd113df906c5ae"
+  dependencies:
+    is-glob "^3.1.0"
+    path-dirname "^1.0.0"
+
+glob-to-regexp@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.npmjs.org/glob-to-regexp/-/glob-to-regexp-0.3.0.tgz#8c5a1494d2066c570cc3bfe4496175acc4d502ab"
+
 glob@^7.0.3, glob@^7.0.5, glob@^7.0.6:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
@@ -2134,7 +2171,7 @@ is-extglob@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-1.0.0.tgz#ac468177c4943405a092fc8f29760c6ffc6206c0"
 
-is-extglob@^2.1.1:
+is-extglob@^2.1.0, is-extglob@^2.1.1:
   version "2.1.1"
   resolved "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
 
@@ -2164,6 +2201,12 @@ is-glob@^2.0.0, is-glob@^2.0.1:
   dependencies:
     is-extglob "^1.0.0"
 
+is-glob@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.npmjs.org/is-glob/-/is-glob-3.1.0.tgz#7ba5ae24217804ac70707b96922567486cc3e84a"
+  dependencies:
+    is-extglob "^2.1.0"
+
 is-glob@^4.0.0:
   version "4.0.0"
   resolved "https://registry.npmjs.org/is-glob/-/is-glob-4.0.0.tgz#9521c76845cc2610a85203ddf080a958c2ffabc0"
@@ -2761,6 +2804,10 @@ merge-source-map@^1.1.0:
   dependencies:
     source-map "^0.6.1"
 
+merge2@^1.2.1:
+  version "1.2.2"
+  resolved "https://registry.npmjs.org/merge2/-/merge2-1.2.2.tgz#03212e3da8d86c4d8523cebd6318193414f94e34"
+
 micromatch@^2.1.5:
   version "2.3.11"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
@@ -3205,6 +3252,10 @@ pascalcase@^0.1.1:
   version "0.1.1"
   resolved "https://registry.npmjs.org/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
 
+path-dirname@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.npmjs.org/path-dirname/-/path-dirname-1.0.2.tgz#cc33d24d525e099a5388c0336c6e32b9160609e0"
+
 path-exists@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"