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Port babel-parser changes from 2020-04-12 to 2020-07-22 #556

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merged 8 commits into from
Oct 13, 2020
Merged

Port babel-parser changes from 2020-04-12 to 2020-07-22 #556

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cae92df
Add support for bigint in TS type literals, ported from babel parser …
Rugvip Sep 23, 2020
4c53842
Add support 'in' operator combined with private properties
Rugvip Oct 4, 2020
a72e684
Handle private access chained on an optional chain
Rugvip Oct 4, 2020
95c2c41
parser: ported over changes from "export default from" change in babe…
Rugvip Oct 4, 2020
91376a9
parser: add support for parsing decimal number literals (babel 059e91OC)
Rugvip Oct 5, 2020
6393927
Added test for typescript rest elements in the middle of tuple types
Rugvip Oct 5, 2020
6ba5cba
Allow type params in catch clauses (babel 8a1d7e4)
Rugvip Oct 5, 2020
3cad809
Add TypeScript support for labeled tuple elements (babel eba4c)
Rugvip Oct 5, 2020
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1 change: 1 addition & 0 deletions src/parser/plugins/typescript.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -412,6 +412,7 @@ function tsParseNonArrayType(): void {
return;
case tt.string:
case tt.num:
case tt.bigint:
case tt._true:
case tt._false:
parseLiteral();
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15 changes: 15 additions & 0 deletions test/typescript-test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1818,6 +1818,21 @@ describe("typescript transform", () => {
);
});

it("allows bigint literal syntax for type literals", () => {
assertTypeScriptResult(
`
let x: 10n;
type T = { n: 20n, m: -30n };
function f(arg: [40n]): 50n[] {};
`,
`"use strict";
let x;

function f(arg) {};
`,
);
});

it("allows private field syntax", () => {
assertTypeScriptResult(
`
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