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Throw a TypeError when reassigning a const (#12252)

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This commit is contained in:
Nicolò Ribaudo
2020-10-25 22:30:28 +01:00
committed by GitHub
parent b4ae7b7893
commit a967910b8b
10 changed files with 11 additions and 9 deletions
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2
packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/deadcode-violation/output.js vendored
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@@ -1,4 +1,4 @@
function _readOnlyError(name) { throw new Error("\"" + name + "\" is read-only"); }
function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
(function () {
var a = "foo";

2
packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/destructuring-assignment/output.js vendored
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@@ -1,4 +1,4 @@
function _readOnlyError(name) { throw new Error("\"" + name + "\" is read-only"); }
function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
var a = 1,
b = 2;

2
packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/loop/output.js vendored
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@@ -1,4 +1,4 @@
function _readOnlyError(name) { throw new Error("\"" + name + "\" is read-only"); }
function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
for (var i = 0; i < 3; i = (_readOnlyError("i"), i + 1)) {
console.log(i);

2
packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/nested-update-expressions/output.js vendored
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@@ -1,4 +1,4 @@
function _readOnlyError(name) { throw new Error("\"" + name + "\" is read-only"); }
function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
var c = 17;
var a = 0;

2
packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/no-assignment/output.js vendored
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@@ -1,4 +1,4 @@
function _readOnlyError(name) { throw new Error("\"" + name + "\" is read-only"); }
function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
var MULTIPLIER = 5;
MULTIPLIER = (_readOnlyError("MULTIPLIER"), "overwrite");

2
packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/no-for-in/output.js vendored
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@@ -1,4 +1,4 @@
function _readOnlyError(name) { throw new Error("\"" + name + "\" is read-only"); }
function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
var MULTIPLIER = 5;

2
packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/update-expression-prefix/output.js vendored
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@@ -1,4 +1,4 @@
function _readOnlyError(name) { throw new Error("\"" + name + "\" is read-only"); }
function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
var a = "str";
_readOnlyError("a"), --a;

2
packages/babel-plugin-transform-block-scoping/test/fixtures/const-violations/update-expression/output.js vendored
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@@ -1,4 +1,4 @@
function _readOnlyError(name) { throw new Error("\"" + name + "\" is read-only"); }
function _readOnlyError(name) { throw new TypeError("\"" + name + "\" is read-only"); }
var foo = 1;
_readOnlyError("foo"), foo++;

2
packages/babel-plugin-transform-block-scoping/test/fixtures/exec/constant-violation.js vendored Normal file
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@@ -0,0 +1,2 @@
const a = 1;
expect(() => { a = 2 }).toThrow(TypeError);