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TypeScript 4.0: Support labeled tuple elements (#11754)

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* TypeScript 4.0: Support labeled tuple elements

* More tests

* Disallow mixing labeled and unlabeled elements

* Update AST shape

* Enable test after rebase

* Allow labeled spread types

* Fix flow

* Add types and generator suport

* Update packages/babel-parser/src/plugins/typescript/index.js

* Prettier
This commit is contained in:
Nicolò Ribaudo
2020-07-15 00:23:09 +02:00
committed by Huáng Jùnliàng
parent 9e6663f125
commit eba4c3b6ed
31 changed files with 736 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
packages/babel-parser/test/fixtures/typescript/types/tuple-invalid-label-1/input.ts vendored Normal file
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type T = [x.y: A];

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packages/babel-parser/test/fixtures/typescript/types/tuple-invalid-label-1/options.json vendored Normal file
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@@ -0,0 +1,6 @@
{
"sourceType": "module",
"plugins": [
"typescript"
]
}

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packages/babel-parser/test/fixtures/typescript/types/tuple-invalid-label-1/output.json vendored Normal file
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@@ -0,0 +1,63 @@
{
"type": "File",
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1
packages/babel-parser/test/fixtures/typescript/types/tuple-invalid-label-2/input.ts vendored Normal file
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type T = [x<y>: A];

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packages/babel-parser/test/fixtures/typescript/types/tuple-invalid-label-2/options.json vendored Normal file
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@@ -0,0 +1,6 @@
{
"sourceType": "module",
"plugins": [
"typescript"
]
}

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packages/babel-parser/test/fixtures/typescript/types/tuple-invalid-label-2/output.json vendored Normal file
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@@ -0,0 +1,69 @@
{
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1
packages/babel-parser/test/fixtures/typescript/types/tuple-labeled-after-unlabeled/input.ts vendored Normal file
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type T = [A, y: B];

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packages/babel-parser/test/fixtures/typescript/types/tuple-labeled-after-unlabeled/output.json vendored Normal file
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@@ -0,0 +1,59 @@
{
"type": "File",
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1
packages/babel-parser/test/fixtures/typescript/types/tuple-labeled-before-unlabeled/input.ts vendored Normal file
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type T = [x: A, B];

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packages/babel-parser/test/fixtures/typescript/types/tuple-labeled-before-unlabeled/output.json vendored Normal file
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@@ -0,0 +1,59 @@
{
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1
packages/babel-parser/test/fixtures/typescript/types/tuple-labeled-invalid-optional/input.ts vendored Normal file
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type T = [x: A?];

7
packages/babel-parser/test/fixtures/typescript/types/tuple-labeled-invalid-optional/options.json vendored Normal file
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@@ -0,0 +1,7 @@
{
"sourceType": "module",
"plugins": [
"typescript"
],
"throws": "Unexpected token, expected \",\" (1:14)"
}

1
packages/babel-parser/test/fixtures/typescript/types/tuple-labeled-spread/input.ts vendored Normal file
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@@ -0,0 +1 @@
let x: [A: string, ...B: number[]]

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packages/babel-parser/test/fixtures/typescript/types/tuple-labeled-spread/output.json vendored Normal file
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@@ -0,0 +1,76 @@
{
"type": "File",
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1
packages/babel-parser/test/fixtures/typescript/types/tuple-labeled/input.ts vendored Normal file
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type T = [foo: string, bar?: number];

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packages/babel-parser/test/fixtures/typescript/types/tuple-labeled/output.json vendored Normal file
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@@ -0,0 +1,56 @@
{
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1
packages/babel-parser/test/fixtures/typescript/types/tuple-required-after-labeled-optional/input.ts vendored Normal file
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type T = [x?: A, y: B];

69
packages/babel-parser/test/fixtures/typescript/types/tuple-required-after-labeled-optional/output.json vendored Normal file
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@@ -0,0 +1,69 @@
{
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1
packages/babel-parser/test/fixtures/typescript/types/tuple-unlabeled-spread-after-labeled/input.ts vendored Normal file
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type T = [x: A, ...B];

63
packages/babel-parser/test/fixtures/typescript/types/tuple-unlabeled-spread-after-labeled/output.json vendored Normal file
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@@ -0,0 +1,63 @@
{
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}

1
packages/babel-parser/test/fixtures/typescript/types/tuple-unlabeled-spread-before-labeled/input.ts vendored Normal file
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type T = [...B, x: A];

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packages/babel-parser/test/fixtures/typescript/types/tuple-unlabeled-spread-before-labeled/output.json vendored Normal file
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@@ -0,0 +1,63 @@
{
"type": "File",
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