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fix: Don't transpile ES2018 symbol properties (#9650)

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This is a repeat of #5195 to work around the same upstream issue.
This commit is contained in:
Jimmy Jia 2019-03-10 18:22:59 -04:00 committed by Nicolò Ribaudo
parent b2b96e0b15
commit dd2ffda387
2 changed files with 11 additions and 2 deletions
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10
packages/babel-plugin-transform-runtime/scripts/build-dist.js
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@ -19,7 +19,15 @@ writeHelpers("@babel/runtime-corejs2", { corejs: 2 });
function writeCoreJS2(runtimeName) { function writeCoreJS2(runtimeName) {
const pkgDirname = getRuntimeRoot(runtimeName); const pkgDirname = getRuntimeRoot(runtimeName);
const paths = ["is-iterable", "get-iterator"]; const paths = [
"is-iterable",
"get-iterator",
// This was previously in definitions, but was removed to work around
// zloirock/core-js#262. We need to keep it in @babel/runtime-corejs2 to
// avoid a breaking change there.
"symbol/async-iterator",
];
Object.keys(corejs2Definitions.builtins).forEach(key => { Object.keys(corejs2Definitions.builtins).forEach(key => {
const path = corejs2Definitions.builtins[key]; const path = corejs2Definitions.builtins[key];

3
packages/babel-plugin-transform-runtime/src/definitions.js
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@ -109,7 +109,8 @@ export default runtimeVersion => {
: {}), : {}),
Symbol: { Symbol: {
asyncIterator: "symbol/async-iterator", // FIXME: Disabled to work around zloirock/core-js#262.
// asyncIterator: "symbol/async-iterator",
for: "symbol/for", for: "symbol/for",
hasInstance: "symbol/has-instance", hasInstance: "symbol/has-instance",
isConcatSpreadable: "symbol/is-concat-spreadable", isConcatSpreadable: "symbol/is-concat-spreadable",