Rename all proposal plugins to -proposal- from -transform- (#6570)

packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/variable-destructuring/actual.js

@@ -0,0 +1,19 @@
+var z = {};
+var { ...x } = z;
+var { ...a } = { a: 1 };
+var { ...x } = a.b;
+var { ...x } = a();
+var {x1, ...y1} = z;
+x1++;
+var { [a]: b, ...c } = z;
+var {x1, ...y1} = z;
+let {x2, y2, ...z2} = z;
+const {w3, x3, y3, ...z4} = z;
+
+let {
+  x: { a: xa, [d]: f, ...asdf },
+  y: { ...d },
+  ...g
+} = complex;
+
+let { x4: { ...y4 } } = z;

packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/variable-destructuring/expected.js

@@ -0,0 +1,42 @@
+var z = {};
+var x = babelHelpers.objectWithoutProperties(z, []);
+var a = babelHelpers.objectWithoutProperties({
+  a: 1
+}, []);
+var x = babelHelpers.objectWithoutProperties(a.b, []);
+var x = babelHelpers.objectWithoutProperties(a(), []);
+var {
+  x1
+} = z,
+    y1 = babelHelpers.objectWithoutProperties(z, ["x1"]);
+x1++;
+var {
+  [a]: b
+} = z,
+    c = babelHelpers.objectWithoutProperties(z, [a].map(babelHelpers.toPropertyKey));
+var {
+  x1
+} = z,
+    y1 = babelHelpers.objectWithoutProperties(z, ["x1"]);
+let {
+  x2,
+  y2
+} = z,
+    z2 = babelHelpers.objectWithoutProperties(z, ["x2", "y2"]);
+const {
+  w3,
+  x3,
+  y3
+} = z,
+      z4 = babelHelpers.objectWithoutProperties(z, ["w3", "x3", "y3"]);
+let {
+  x: {
+    a: xa,
+    [d]: f
+  }
+} = complex,
+    asdf = babelHelpers.objectWithoutProperties(complex.x, ["a", d].map(babelHelpers.toPropertyKey)),
+    d = babelHelpers.objectWithoutProperties(complex.y, []),
+    g = babelHelpers.objectWithoutProperties(complex, ["x"]);
+let {} = z,
+    y4 = babelHelpers.objectWithoutProperties(z.x4, []);