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block hoist assignment pattern destructuring - fixes #652

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This commit is contained in:
Sebastian McKenzie
2015-02-01 18:33:36 +11:00
parent 2ff6dee0ec
commit 25566a24f6
2 changed files with 12 additions and 3 deletions
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6
lib/6to5/transformation/transformers/es6/destructuring.js
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@@ -46,9 +46,11 @@ var push = function (opts, nodes, elem, parentId) {
var pushAssignmentPattern = function (opts, nodes, pattern, parentId) {
var tempParentId = opts.scope.generateUidBasedOnNode(parentId, opts.file);
nodes.push(t.variableDeclaration("var", [
var declar = t.variableDeclaration("var", [
t.variableDeclarator(tempParentId, parentId)
]));
]);
declar._blockHoist = opts.blockHoist;
nodes.push(declar);
nodes.push(buildVariableAssign(
opts,

9
test/fixtures/transformation/regenerator/destructuring/exec.js vendored
View File

@@ -3,4 +3,11 @@ function* foo() {
return bar;
}
assert.deepEqual(foo().next().value, "bar");
assert.equal(foo().next().value, "bar");
function *foo({ bar = 0 }) {
return bar;
}
assert.equal(foo({ bar: undefined }).next(), 0);
assert.equal(foo({ bar: 3 }).next(), 3);