cerxes/babel
3
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Fix break/continue when switch is nested inside loop (#11802)

Browse Source 
* Fix break/continue when switch is nested inside loop

* merge retCheck
This commit is contained in:
Brian Ng
2020-07-07 17:38:11 -05:00
committed by GitHub
parent b1a8e72e16
commit 58cfaf20ee
6 changed files with 72 additions and 60 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
packages/babel-plugin-transform-block-scoping/test/fixtures/general/for-break-continue-closure/exec.js vendored Normal file
View File

@@ -0,0 +1,15 @@
expect(() => {
for (const a of [1]) {
switch (true) {
case true: {
const b = 1;
() => b;
if (true) break;
continue;
}
case false: {
throw new Error("unreachable");
}
}
}
}).not.toThrow();

13
packages/babel-plugin-transform-block-scoping/test/fixtures/general/for-break-continue-closure/input.js vendored Normal file
View File

@@ -0,0 +1,13 @@
for (const a of [1]) {
switch (true) {
case true: {
const b = 1;
() => b;
if (true) break;
continue;
}
case false: {
throw new Error("unreachable");
}
}
}

25
packages/babel-plugin-transform-block-scoping/test/fixtures/general/for-break-continue-closure/output.js vendored Normal file
View File

@@ -0,0 +1,25 @@
for (var a of [1]) {
switch (true) {
case true:
{
var _ret = function () {
var b = 1;
(function () {
return b;
});
if (true) return "break";
return "continue";
}();
if (_ret === "break") break;
if (_ret === "continue") continue;
}
case false:
{
throw new Error("unreachable");
}
}
}

19
packages/babel-plugin-transform-block-scoping/test/fixtures/general/for-break-continue-return/output.js vendored
View File

@@ -1,5 +1,5 @@
(function () {
var _loop2 = function (i) {
var _loop = function (i) {
fns.push(function () {
return i;
});
@@ -15,18 +15,11 @@
}
};
_loop: for (var i in nums) {
var _ret = _loop2(i);
for (var i in nums) {
var _ret = _loop(i);
switch (_ret) {
case "continue":
continue;
case "break":
break _loop;
default:
if (typeof _ret === "object") return _ret.v;
}
if (_ret === "continue") continue;
if (_ret === "break") break;
if (typeof _ret === "object") return _ret.v;
}
})();

9
packages/babel-plugin-transform-block-scoping/test/fixtures/general/superswitch/output.js vendored
View File

@@ -18,13 +18,8 @@ function foo() {
return "break";
}();
switch (_ret) {
case "break":
break;
default:
if (typeof _ret === "object") return _ret.v;
}
if (_ret === "break") break;
if (typeof _ret === "object") return _ret.v;
}
}
}