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Add support for null literal type

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This commit is contained in:
Amjad Masad 2015-12-03 23:58:25 -08:00
parent 5a15231cfe
commit e3da84bcc3
3 changed files with 120 additions and 0 deletions
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5
src/plugins/flow.js
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@ -514,6 +514,11 @@ pp.flowParsePrimaryType = function () {
this.next();
return this.finishNode(node, "NumericLiteralTypeAnnotation");
case tt._null:
node.value = this.match(tt._null);
this.next();
return this.finishNode(node, "NullLiteralTypeAnnotation");
default:
if (this.state.type.keyword === "typeof") {
return this.flowParseTypeofType();

1
test/fixtures/flow/literal-types/null/actual.js vendored Normal file
View File

@ -0,0 +1 @@
var foo: null

114
test/fixtures/flow/literal-types/null/expected.js vendored Normal file
View File

@ -0,0 +1,114 @@
{
"type": "File",
"start": 0,
"end": 13,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 13
}
},
"program": {
"type": "Program",
"start": 0,
"end": 13,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 13
}
},
"sourceType": "module",
"body": [
{
"type": "VariableDeclaration",
"start": 0,
"end": 13,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 13
}
},
"declarations": [
{
"type": "VariableDeclarator",
"start": 4,
"end": 13,
"loc": {
"start": {
"line": 1,
"column": 4
},
"end": {
"line": 1,
"column": 13
}
},
"id": {
"type": "Identifier",
"start": 4,
"end": 13,
"loc": {
"start": {
"line": 1,
"column": 4
},
"end": {
"line": 1,
"column": 13
}
},
"name": "foo",
"typeAnnotation": {
"type": "TypeAnnotation",
"start": 7,
"end": 13,
"loc": {
"start": {
"line": 1,
"column": 7
},
"end": {
"line": 1,
"column": 13
}
},
"typeAnnotation": {
"type": "NullLiteralTypeAnnotation",
"start": 9,
"end": 13,
"loc": {
"start": {
"line": 1,
"column": 9
},
"end": {
"line": 1,
"column": 13
}
},
"value": true
}
}
},
"init": null
}
],
"kind": "var"
}
]
}
}