[Preview] destructured variables (#5853)

Author: marcogallo566

src/workers/parser/getSymbols.js

@@ -256,16 +256,29 @@ function extractSymbol(path: SimplePath, symbols) {
   }
 
   if (t.isVariableDeclarator(path)) {
-    const node = path.node.id;
-    const { start, end } = path.node.loc;
-    if (t.isArrayPattern(node)) {
+    const nodeId = path.node.id;
+
+    if (t.isArrayPattern(nodeId)) {
       return;
     }
 
-    symbols.identifiers.push({
-      name: node.name,
-      expression: node.name,
-      location: { start, end }
+    const properties =
+      nodeId.properties && t.objectPattern(nodeId.properties)
+        ? nodeId.properties
+        : [
+            {
+              value: { name: nodeId.name },
+              loc: path.node.loc
+            }
+          ];
+
+    properties.forEach(function(property) {
+      const { start, end } = property.loc;
+      symbols.identifiers.push({
+        name: property.value.name,
+        expression: property.value.name,
+        location: { start, end }
+      });
     });
   }
 }

src/workers/parser/tests/__snapshots__/getSymbols.spec.js.snap

@@ -483,14 +483,16 @@ comments:
 
 
 identifiers:
-[(1, 6), (1, 35)]
+[(1, 8), (1, 9)] b b
+[(1, 11), (1, 16)] resty resty
 [(1, 8), (1, 9)] b b
 [(1, 8), (1, 9)] b b
 [(1, 11), (1, 16)] resty resty
 [(1, 11), (1, 16)] resty resty
 [(1, 21), (1, 28)] compute compute
 [(1, 29), (1, 34)] stuff stuff
-[(2, 6), (2, 33)]
+[(2, 8), (2, 16)] f f
+[(2, 18), (2, 25)] l l
 [(2, 8), (2, 13)] f first
 [(2, 15), (2, 16)] f f
 [(2, 18), (2, 22)] l last
@@ -509,20 +511,21 @@ identifiers:
 [(8, 10), (8, 13)] log log
 [(8, 14), (8, 19)] index index
 [(8, 21), (8, 28)] element element
-[(11, 6), (11, 42)]
+[(11, 8), (11, 18)]
+[(11, 20), (11, 29)]
 [(11, 8), (11, 9)] aa = 10 a
 [(11, 11), (11, 13)] aa aa
 [(11, 20), (11, 21)] bb = 5 b
 [(11, 23), (11, 25)] bb bb
 [(11, 36), (11, 37)] 3 a
-[(12, 6), (12, 38)]
+[(12, 8), (12, 30)]
 [(12, 8), (12, 12)] [{
   foo: foooo
 }] temp
 [(12, 17), (12, 20)] foooo foo
 [(12, 22), (12, 27)] foooo foooo
 [(12, 35), (12, 38)] obj obj
-[(14, 4), (14, 33)]
+[(14, 6), (14, 16)] foo foo
 [(14, 7), (14, 10)] foo key
 [(14, 13), (14, 16)] foo foo
 [(14, 23), (14, 24)] \\"bar\\" z
@@ -1108,7 +1111,7 @@ identifiers:
 [(16, 4), (16, 22)] foo foo
 [(16, 4), (16, 7)] foo foo
 [(17, 5), (17, 8)] foo foo
-[(18, 4), (18, 29)]
+[(18, 5), (18, 23)]
 [(18, 5), (18, 8)] foo = function () {} foo
 [(18, 5), (18, 8)] foo foo
 [(20, 1), (20, 4)] foo foo