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Avoid repeating impure (template) literals when desugaring **= (#4403) (#4672)

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This commit is contained in:
Moti Zilberman 2016-10-05 12:10:12 +03:00 committed by Daniel Tschinder
parent 9e17aaf043
commit f5b5d8f337
4 changed files with 9 additions and 1 deletions
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2
packages/babel-helper-explode-assignable-expression/src/index.js
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@ -41,7 +41,7 @@ function getObjRef(node, nodes, file, scope) {
function getPropRef(node, nodes, file, scope) { function getPropRef(node, nodes, file, scope) {
let prop = node.property; let prop = node.property;
let key = t.toComputedKey(node, prop); let key = t.toComputedKey(node, prop);
if (t.isLiteral(key)) return key; if (t.isLiteral(key) && t.isPureish(key)) return key;
let temp = scope.generateUidIdentifierBasedOnNode(prop); let temp = scope.generateUidIdentifierBasedOnNode(prop);
nodes.push(t.variableDeclaration("var", [ nodes.push(t.variableDeclaration("var", [

2
packages/babel-plugin-transform-exponentiation-operator/test/fixtures/regression/4403/actual.js vendored Normal file
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@ -0,0 +1,2 @@
var a, b;
a[`${b++}`] **= 1;

3
packages/babel-plugin-transform-exponentiation-operator/test/fixtures/regression/4403/expected.js vendored Normal file
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@ -0,0 +1,3 @@
var a, b;
var _ref = `${ b++ }`;
a[_ref] = Math.pow(a[_ref], 1)

3
packages/babel-plugin-transform-exponentiation-operator/test/fixtures/regression/4403/options.json vendored Normal file
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@ -0,0 +1,3 @@
{
"plugins": ["transform-exponentiation-operator"]
}