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Fix handling newline with TypeScript declare and abstract classes (#9328)

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This commit is contained in:
Brian Ng 2019-01-15 06:56:52 -06:00 committed by GitHub
parent 34c9890f41
commit aaec2cd51d
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GPG Key ID: 4AEE18F83AFDEB23
29 changed files with 1829 additions and 5 deletions
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18
packages/babel-parser/src/plugins/typescript.js
View File

@ -1187,6 +1187,10 @@ export default (superClass: Class<Parser>): Class<Parser> =>
} }
tsTryParseDeclare(nany: any): ?N.Declaration { tsTryParseDeclare(nany: any): ?N.Declaration {
if (this.isLineTerminator()) {
return;
}
switch (this.state.type) { switch (this.state.type) {
case tt._function: case tt._function:
this.next(); this.next();
@ -1263,7 +1267,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
): ?N.Declaration { ): ?N.Declaration {
switch (value) { switch (value) {
case "abstract": case "abstract":
if (next || this.match(tt._class)) { if (this.tsCheckLineTerminatorAndMatch(tt._class, next)) {
const cls: N.ClassDeclaration = node; const cls: N.ClassDeclaration = node;
cls.abstract = true; cls.abstract = true;
if (next) this.next(); if (next) this.next();
@ -1283,7 +1287,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
break; break;
case "interface": case "interface":
if (next || this.match(tt.name)) { if (this.tsCheckLineTerminatorAndMatch(tt.name, next)) {
if (next) this.next(); if (next) this.next();
return this.tsParseInterfaceDeclaration(node); return this.tsParseInterfaceDeclaration(node);
} }
@ -1293,20 +1297,20 @@ export default (superClass: Class<Parser>): Class<Parser> =>
if (next) this.next(); if (next) this.next();
if (this.match(tt.string)) { if (this.match(tt.string)) {
return this.tsParseAmbientExternalModuleDeclaration(node); return this.tsParseAmbientExternalModuleDeclaration(node);
} else if (next || this.match(tt.name)) { } else if (this.tsCheckLineTerminatorAndMatch(tt.name, next)) {
return this.tsParseModuleOrNamespaceDeclaration(node); return this.tsParseModuleOrNamespaceDeclaration(node);
} }
break; break;
case "namespace": case "namespace":
if (next || this.match(tt.name)) { if (this.tsCheckLineTerminatorAndMatch(tt.name, next)) {
if (next) this.next(); if (next) this.next();
return this.tsParseModuleOrNamespaceDeclaration(node); return this.tsParseModuleOrNamespaceDeclaration(node);
} }
break; break;
case "type": case "type":
if (next || this.match(tt.name)) { if (this.tsCheckLineTerminatorAndMatch(tt.name, next)) {
if (next) this.next(); if (next) this.next();
return this.tsParseTypeAliasDeclaration(node); return this.tsParseTypeAliasDeclaration(node);
} }
@ -1314,6 +1318,10 @@ export default (superClass: Class<Parser>): Class<Parser> =>
} }
} }
tsCheckLineTerminatorAndMatch(tokenType: TokenType, next: boolean) {
return !this.isLineTerminator() && (next || this.match(tokenType));
}
tsTryParseGenericAsyncArrowFunction( tsTryParseGenericAsyncArrowFunction(
startPos: number, startPos: number,
startLoc: Position, startLoc: Position,

2
packages/babel-parser/test/fixtures/typescript/class/abstract-new-line/input.js vendored Normal file
View File

@ -0,0 +1,2 @@
abstract
class B {}

116
packages/babel-parser/test/fixtures/typescript/class/abstract-new-line/output.json vendored Normal file
View File

@ -0,0 +1,116 @@
{
"type": "File",
"start": 0,
"end": 19,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 2,
"column": 10
}
},
"program": {
"type": "Program",
"start": 0,
"end": 19,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 2,
"column": 10
}
},
"sourceType": "module",
"interpreter": null,
"body": [
{
"type": "ExpressionStatement",
"start": 0,
"end": 8,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 8
}
},
"expression": {
"type": "Identifier",
"start": 0,
"end": 8,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 8
},
"identifierName": "abstract"
},
"name": "abstract"
}
},
{
"type": "ClassDeclaration",
"start": 9,
"end": 19,
"loc": {
"start": {
"line": 2,
"column": 0
},
"end": {
"line": 2,
"column": 10
}
},
"id": {
"type": "Identifier",
"start": 15,
"end": 16,
"loc": {
"start": {
"line": 2,
"column": 6
},
"end": {
"line": 2,
"column": 7
},
"identifierName": "B"
},
"name": "B"
},
"superClass": null,
"body": {
"type": "ClassBody",
"start": 17,
"end": 19,
"loc": {
"start": {
"line": 2,
"column": 8
},
"end": {
"line": 2,
"column": 10
}
},
"body": []
}
}
],
"directives": []
}
}

2
packages/babel-parser/test/fixtures/typescript/class/declare-new-line/input.js vendored Normal file
View File

@ -0,0 +1,2 @@
declare
class B {}

116
packages/babel-parser/test/fixtures/typescript/class/declare-new-line/output.json vendored Normal file
View File

@ -0,0 +1,116 @@
{
"type": "File",
"start": 0,
"end": 18,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 2,
"column": 10
}
},
"program": {
"type": "Program",
"start": 0,
"end": 18,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 2,
"column": 10
}
},
"sourceType": "module",
"interpreter": null,
"body": [
{
"type": "ExpressionStatement",
"start": 0,
"end": 7,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 7
}
},
"expression": {
"type": "Identifier",
"start": 0,
"end": 7,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 7
},
"identifierName": "declare"
},
"name": "declare"
}
},
{
"type": "ClassDeclaration",
"start": 8,
"end": 18,
"loc": {
"start": {
"line": 2,
"column": 0
},
"end": {
"line": 2,
"column": 10
}
},
"id": {
"type": "Identifier",
"start": 14,
"end": 15,
"loc": {
"start": {
"line": 2,
"column": 6
},
"end": {
"line": 2,
"column": 7
},
"identifierName": "B"
},
"name": "B"
},
"superClass": null,
"body": {
"type": "ClassBody",
"start": 16,
"end": 18,
"loc": {
"start": {
"line": 2,
"column": 8
},
"end": {
"line": 2,
"column": 10
}
},
"body": []
}
}
],
"directives": []
}
}

2
packages/babel-parser/test/fixtures/typescript/declare/const-new-line/input.js vendored Normal file
View File

@ -0,0 +1,2 @@
declare
const x: number, y: string;

211
packages/babel-parser/test/fixtures/typescript/declare/const-new-line/output.json vendored Normal file
View File

@ -0,0 +1,211 @@
{
"type": "File",
"start": 0,
"end": 35,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 2,
"column": 27
}
},
"program": {
"type": "Program",
"start": 0,
"end": 35,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 2,
"column": 27
}
},
"sourceType": "module",
"interpreter": null,
"body": [
{
"type": "ExpressionStatement",
"start": 0,
"end": 7,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 7
}
},
"expression": {
"type": "Identifier",
"start": 0,
"end": 7,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 7
},
"identifierName": "declare"
},
"name": "declare"
}
},
{
"type": "VariableDeclaration",
"start": 8,
"end": 35,
"loc": {
"start": {
"line": 2,
"column": 0
},
"end": {
"line": 2,
"column": 27
}
},
"declarations": [
{
"type": "VariableDeclarator",
"start": 14,
"end": 23,
"loc": {
"start": {
"line": 2,
"column": 6
},
"end": {
"line": 2,
"column": 15
}
},
"id": {
"type": "Identifier",
"start": 14,
"end": 23,
"loc": {
"start": {
"line": 2,
"column": 6
},
"end": {
"line": 2,
"column": 15
},
"identifierName": "x"
},
"name": "x",
"typeAnnotation": {
"type": "TSTypeAnnotation",
"start": 15,
"end": 23,
"loc": {
"start": {
"line": 2,
"column": 7
},
"end": {
"line": 2,
"column": 15
}
},
"typeAnnotation": {
"type": "TSNumberKeyword",
"start": 17,
"end": 23,
"loc": {
"start": {
"line": 2,
"column": 9
},
"end": {
"line": 2,
"column": 15
}
}
}
}
},
"init": null
},
{
"type": "VariableDeclarator",
"start": 25,
"end": 34,
"loc": {
"start": {
"line": 2,
"column": 17
},
"end": {
"line": 2,
"column": 26
}
},
"id": {
"type": "Identifier",
"start": 25,
"end": 34,
"loc": {
"start": {
"line": 2,
"column": 17
},
"end": {
"line": 2,
"column": 26
},
"identifierName": "y"
},
"name": "y",
"typeAnnotation": {
"type": "TSTypeAnnotation",
"start": 26,
"end": 34,
"loc": {
"start": {
"line": 2,
"column": 18
},
"end": {
"line": 2,
"column": 26
}
},
"typeAnnotation": {
"type": "TSStringKeyword",
"start": 28,
"end": 34,
"loc": {
"start": {
"line": 2,
"column": 20
},
"end": {
"line": 2,
"column": 26
}
}
}
}
},
"init": null
}
],
"kind": "const"
}
],
"directives": []
}
}

2
packages/babel-parser/test/fixtures/typescript/declare/destructure-new-line/input.js vendored Normal file
View File

@ -0,0 +1,2 @@
declare
const { x, y }: { x: number, y: number };

386
packages/babel-parser/test/fixtures/typescript/declare/destructure-new-line/output.json vendored Normal file
View File

@ -0,0 +1,386 @@
{
"type": "File",
"start": 0,
"end": 49,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 2,
"column": 41
}
},
"program": {
"type": "Program",
"start": 0,
"end": 49,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 2,
"column": 41
}
},
"sourceType": "module",
"interpreter": null,
"body": [
{
"type": "ExpressionStatement",
"start": 0,
"end": 7,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 7
}
},
"expression": {
"type": "Identifier",
"start": 0,
"end": 7,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 7
},
"identifierName": "declare"
},
"name": "declare"
}
},
{
"type": "VariableDeclaration",
"start": 8,
"end": 49,
"loc": {
"start": {
"line": 2,
"column": 0
},
"end": {
"line": 2,
"column": 41
}
},
"declarations": [
{
"type": "VariableDeclarator",
"start": 14,
"end": 48,
"loc": {
"start": {
"line": 2,
"column": 6
},
"end": {
"line": 2,
"column": 40
}
},
"id": {
"type": "ObjectPattern",
"start": 14,
"end": 48,
"loc": {
"start": {
"line": 2,
"column": 6
},
"end": {
"line": 2,
"column": 40
}
},
"properties": [
{
"type": "ObjectProperty",
"start": 16,
"end": 17,
"loc": {
"start": {
"line": 2,
"column": 8
},
"end": {
"line": 2,
"column": 9
}
},
"method": false,
"key": {
"type": "Identifier",
"start": 16,
"end": 17,
"loc": {
"start": {
"line": 2,
"column": 8
},
"end": {
"line": 2,
"column": 9
},
"identifierName": "x"
},
"name": "x"
},
"computed": false,
"shorthand": true,
"value": {
"type": "Identifier",
"start": 16,
"end": 17,
"loc": {
"start": {
"line": 2,
"column": 8
},
"end": {
"line": 2,
"column": 9
},
"identifierName": "x"
},
"name": "x"
},
"extra": {
"shorthand": true
}
},
{
"type": "ObjectProperty",
"start": 19,
"end": 20,
"loc": {
"start": {
"line": 2,
"column": 11
},
"end": {
"line": 2,
"column": 12
}
},
"method": false,
"key": {
"type": "Identifier",
"start": 19,
"end": 20,
"loc": {
"start": {
"line": 2,
"column": 11
},
"end": {
"line": 2,
"column": 12
},
"identifierName": "y"
},
"name": "y"
},
"computed": false,
"shorthand": true,
"value": {
"type": "Identifier",
"start": 19,
"end": 20,
"loc": {
"start": {
"line": 2,
"column": 11
},
"end": {
"line": 2,
"column": 12
},
"identifierName": "y"
},
"name": "y"
},
"extra": {
"shorthand": true
}
}
],
"typeAnnotation": {
"type": "TSTypeAnnotation",
"start": 22,
"end": 48,
"loc": {
"start": {
"line": 2,
"column": 14
},
"end": {
"line": 2,
"column": 40
}
},
"typeAnnotation": {
"type": "TSTypeLiteral",
"start": 24,
"end": 48,
"loc": {
"start": {
"line": 2,
"column": 16
},
"end": {
"line": 2,
"column": 40
}
},
"members": [
{
"type": "TSPropertySignature",
"start": 26,
"end": 36,
"loc": {
"start": {
"line": 2,
"column": 18
},
"end": {
"line": 2,
"column": 28
}
},
"key": {
"type": "Identifier",
"start": 26,
"end": 27,
"loc": {
"start": {
"line": 2,
"column": 18
},
"end": {
"line": 2,
"column": 19
},
"identifierName": "x"
},
"name": "x"
},
"computed": false,
"typeAnnotation": {
"type": "TSTypeAnnotation",
"start": 27,
"end": 35,
"loc": {
"start": {
"line": 2,
"column": 19
},
"end": {
"line": 2,
"column": 27
}
},
"typeAnnotation": {
"type": "TSNumberKeyword",
"start": 29,
"end": 35,
"loc": {
"start": {
"line": 2,
"column": 21
},
"end": {
"line": 2,
"column": 27
}
}
}
}
},
{
"type": "TSPropertySignature",
"start": 37,
"end": 46,
"loc": {
"start": {
"line": 2,
"column": 29
},
"end": {
"line": 2,
"column": 38
}
},
"key": {
"type": "Identifier",
"start": 37,
"end": 38,
"loc": {
"start": {
"line": 2,
"column": 29
},
"end": {
"line": 2,
"column": 30
},
"identifierName": "y"
},
"name": "y"
},
"computed": false,
"typeAnnotation": {
"type": "TSTypeAnnotation",
"start": 38,
"end": 46,
"loc": {
"start": {
"line": 2,
"column": 30
},
"end": {
"line": 2,
"column": 38
}
},
"typeAnnotation": {
"type": "TSNumberKeyword",
"start": 40,
"end": 46,
"loc": {
"start": {
"line": 2,
"column": 32
},
"end": {
"line": 2,
"column": 38
}
}
}
}
}
]
}
}
},
"init": null
}
],
"kind": "const"
}
],
"directives": []
}
}

2
packages/babel-parser/test/fixtures/typescript/declare/interface-new-line/input.js vendored Normal file
View File

@ -0,0 +1,2 @@
declare
interface I {}

115
packages/babel-parser/test/fixtures/typescript/declare/interface-new-line/output.json vendored Normal file
View File

@ -0,0 +1,115 @@
{
"type": "File",
"start": 0,
"end": 22,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 2,
"column": 14
}
},
"program": {
"type": "Program",
"start": 0,
"end": 22,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 2,
"column": 14
}
},
"sourceType": "module",
"interpreter": null,
"body": [
{
"type": "ExpressionStatement",
"start": 0,
"end": 7,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 7
}
},
"expression": {
"type": "Identifier",
"start": 0,
"end": 7,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 7
},
"identifierName": "declare"
},
"name": "declare"
}
},
{
"type": "TSInterfaceDeclaration",
"start": 8,
"end": 22,
"loc": {
"start": {
"line": 2,
"column": 0
},
"end": {
"line": 2,
"column": 14
}
},
"id": {
"type": "Identifier",
"start": 18,
"end": 19,
"loc": {
"start": {
"line": 2,
"column": 10
},
"end": {
"line": 2,
"column": 11
},
"identifierName": "I"
},
"name": "I"
},
"body": {
"type": "TSInterfaceBody",
"start": 20,
"end": 22,
"loc": {
"start": {
"line": 2,
"column": 12
},
"end": {
"line": 2,
"column": 14
}
},
"body": []
}
}
],
"directives": []
}
}

2
packages/babel-parser/test/fixtures/typescript/declare/let-new-line/input.js vendored Normal file
View File

@ -0,0 +1,2 @@
declare
let x;

118
packages/babel-parser/test/fixtures/typescript/declare/let-new-line/output.json vendored Normal file
View File

@ -0,0 +1,118 @@
{
"type": "File",
"start": 0,
"end": 14,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 2,
"column": 6
}
},
"program": {
"type": "Program",
"start": 0,
"end": 14,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 2,
"column": 6
}
},
"sourceType": "module",
"interpreter": null,
"body": [
{
"type": "ExpressionStatement",
"start": 0,
"end": 7,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 7
}
},
"expression": {
"type": "Identifier",
"start": 0,
"end": 7,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 7
},
"identifierName": "declare"
},
"name": "declare"
}
},
{
"type": "VariableDeclaration",
"start": 8,
"end": 14,
"loc": {
"start": {
"line": 2,
"column": 0
},
"end": {
"line": 2,
"column": 6
}
},
"declarations": [
{
"type": "VariableDeclarator",
"start": 12,
"end": 13,
"loc": {
"start": {
"line": 2,
"column": 4
},
"end": {
"line": 2,
"column": 5
}
},
"id": {
"type": "Identifier",
"start": 12,
"end": 13,
"loc": {
"start": {
"line": 2,
"column": 4
},
"end": {
"line": 2,
"column": 5
},
"identifierName": "x"
},
"name": "x"
},
"init": null
}
],
"kind": "let"
}
],
"directives": []
}
}

5
packages/babel-parser/test/fixtures/typescript/declare/var-new-line/input.js vendored Normal file
View File

@ -0,0 +1,5 @@
declare
var x;
declare
var x: any;

231
packages/babel-parser/test/fixtures/typescript/declare/var-new-line/output.json vendored Normal file
View File

@ -0,0 +1,231 @@
{
"type": "File",
"start": 0,
"end": 35,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 5,
"column": 11
}
},
"program": {
"type": "Program",
"start": 0,
"end": 35,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 5,
"column": 11
}
},
"sourceType": "module",
"interpreter": null,
"body": [
{
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