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refactor: add isLiteralPropertyName to parser utils #11547

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merged 5 commits into from
May 14, 2020
Merged

refactor: add isLiteralPropertyName to parser utils #11547

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2a9b5d2
refactor: add isLiteralPropertyName to parser utils
JLHwung May 10, 2020
371f4d6
address review comments [skip-ci]
JLHwung May 12, 2020
6686faa
refactor: keyword is valid identifierName
JLHwung May 12, 2020
98df348
fix: allow bigint in TSLiteralType
JLHwung May 13, 2020
f36586e
update typescript test whitelist
JLHwung May 13, 2020
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fix: allow bigint in TSLiteralType
  • Loading branch information
@JLHwung
JLHwung committed May 13, 2020
commit 98df3481bbdd15ea47c807cc4c4411c1d7c8ff14
5 changes: 4 additions & 1 deletion packages/babel-parser/src/plugins/typescript/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -691,6 +691,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
node.literal = (() => {
switch (this.state.type) {
case tt.num:
case tt.bigint:
case tt.string:
case tt._true:
case tt._false:
Expand Down Expand Up @@ -747,13 +748,15 @@ export default (superClass: Class<Parser>): Class<Parser> =>
}
case tt.string:
case tt.num:
case tt.bigint:
case tt._true:
case tt._false:
return this.tsParseLiteralTypeNode();
case tt.plusMin:
if (this.state.value === "-") {
const node: N.TsLiteralType = this.startNode();
if (this.lookahead().type !== tt.num) {
const nextToken = this.lookahead();
if (nextToken.type !== tt.num && nextToken.type !== tt.bigint) {
throw this.unexpected();
}
node.literal = this.parseMaybeUnary();
Expand Down
1 change: 1 addition & 0 deletions packages/babel-parser/test/fixtures/typescript/types/literal-bigint-negative/input.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
let x: -1n;
53 changes: 53 additions & 0 deletions packages/babel-parser/test/fixtures/typescript/types/literal-bigint-negative/output.json
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@@ -0,0 +1,53 @@
{
"type": "File",
"start":0,"end":11,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":11}},
"program": {
"type": "Program",
"start":0,"end":11,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":11}},
"sourceType": "module",
"interpreter": null,
"body": [
{
"type": "VariableDeclaration",
"start":0,"end":11,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":11}},
"declarations": [
{
"type": "VariableDeclarator",
"start":4,"end":10,"loc":{"start":{"line":1,"column":4},"end":{"line":1,"column":10}},
"id": {
"type": "Identifier",
"start":4,"end":10,"loc":{"start":{"line":1,"column":4},"end":{"line":1,"column":10},"identifierName":"x"},
"name": "x",
"typeAnnotation": {
"type": "TSTypeAnnotation",
"start":5,"end":10,"loc":{"start":{"line":1,"column":5},"end":{"line":1,"column":10}},
"typeAnnotation": {
"type": "TSLiteralType",
"start":7,"end":10,"loc":{"start":{"line":1,"column":7},"end":{"line":1,"column":10}},
"literal": {
"type": "UnaryExpression",
"start":7,"end":10,"loc":{"start":{"line":1,"column":7},"end":{"line":1,"column":10}},
"operator": "-",
"prefix": true,
"argument": {
"type": "BigIntLiteral",
"start":8,"end":10,"loc":{"start":{"line":1,"column":8},"end":{"line":1,"column":10}},
"extra": {
"rawValue": "1",
"raw": "1n"
},
"value": "1"
}
}
}
}
},
"init": null
}
],
"kind": "let"
}
],
"directives": []
}
}
1 change: 1 addition & 0 deletions packages/babel-parser/test/fixtures/typescript/types/literal-bigint/input.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
let x: 0n;
47 changes: 47 additions & 0 deletions packages/babel-parser/test/fixtures/typescript/types/literal-bigint/output.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,47 @@
{
"type": "File",
"start":0,"end":10,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":10}},
"program": {
"type": "Program",
"start":0,"end":10,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":10}},
"sourceType": "module",
"interpreter": null,
"body": [
{
"type": "VariableDeclaration",
"start":0,"end":10,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":10}},
"declarations": [
{
"type": "VariableDeclarator",
"start":4,"end":9,"loc":{"start":{"line":1,"column":4},"end":{"line":1,"column":9}},
"id": {
"type": "Identifier",
"start":4,"end":9,"loc":{"start":{"line":1,"column":4},"end":{"line":1,"column":9},"identifierName":"x"},
"name": "x",
"typeAnnotation": {
"type": "TSTypeAnnotation",
"start":5,"end":9,"loc":{"start":{"line":1,"column":5},"end":{"line":1,"column":9}},
"typeAnnotation": {
"type": "TSLiteralType",
"start":7,"end":9,"loc":{"start":{"line":1,"column":7},"end":{"line":1,"column":9}},
"literal": {
"type": "BigIntLiteral",
"start":7,"end":9,"loc":{"start":{"line":1,"column":7},"end":{"line":1,"column":9}},
"extra": {
"rawValue": "0",
"raw": "0n"
},
"value": "0"
}
}
}
},
"init": null
}
],
"kind": "let"
}
],
"directives": []
}
}
1 change: 1 addition & 0 deletions packages/babel-types/src/definitions/typescript.js
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Original file line number Diff line number Diff line change
Expand Up @@ -307,6 +307,7 @@ defineType("TSLiteralType", {
"NumericLiteral",
"StringLiteral",
"BooleanLiteral",
"BigIntLiteral",
]),
},
});
Expand Down