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fixed missing errors on assignment pattern in object expression (#10607)

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* 🐛 fixed missing errors on assignment pattern in object expression

* ♻️ remove a non-needed comment

* 🐛 missed adding comma in the test input

* 🐛 fixed the failing valid-property-initializer test
This commit is contained in:
Vivek Nayyar 2019-10-30 03:02:02 +05:30 committed by Nicolò Ribaudo
parent 198b4a0fbd
commit 4b3a19ea9f
7 changed files with 447 additions and 1 deletions
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5
packages/babel-parser/src/parser/expression.js
View File

@ -204,7 +204,10 @@ export default class ExpressionParser extends LValParser {
node.left = this.match(tt.eq)
? this.toAssignable(left, undefined, "assignment expression")
: left;
refShorthandDefaultPos.start = 0; // reset because shorthand default was used correctly
if (refShorthandDefaultPos.start >= node.left.start) {
refShorthandDefaultPos.start = 0; // reset because shorthand default was used correctly
}
this.checkLVal(left, undefined, undefined, "assignment expression");

4
packages/babel-parser/test/fixtures/core/object/invalid-property-initializer-1/input.js vendored Normal file
View File

@ -0,0 +1,4 @@
const obj = {
bar: x = 123,
foo = 123
};

3
packages/babel-parser/test/fixtures/core/object/invalid-property-initializer-1/options.json vendored Normal file
View File

@ -0,0 +1,3 @@
{
"throws": "Unexpected token (3:6)"
}

4
packages/babel-parser/test/fixtures/core/object/invalid-property-initializer/input.js vendored Normal file
View File

@ -0,0 +1,4 @@
const obj = {
foo = 123,
bar: x = 123
};

3
packages/babel-parser/test/fixtures/core/object/invalid-property-initializer/options.json vendored Normal file
View File

@ -0,0 +1,3 @@
{
"throws": "Unexpected token (2:6)"
}

4
packages/babel-parser/test/fixtures/core/object/valid-property-initializer/input.js vendored Normal file
View File

@ -0,0 +1,4 @@
const obj = {
foo = 123,
bar: x = 123,
} = { foo: 24, bar: 45 };

425
packages/babel-parser/test/fixtures/core/object/valid-property-initializer/output.json vendored Normal file
View File

@ -0,0 +1,425 @@
{
"type": "File",
"start": 0,
"end": 68,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 4,
"column": 25
}
},
"program": {
"type": "Program",
"start": 0,
"end": 68,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 4,
"column": 25
}
},
"sourceType": "script",
"interpreter": null,
"body": [
{
"type": "VariableDeclaration",
"start": 0,
"end": 68,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 4,
"column": 25
}
},
"declarations": [
{
"type": "VariableDeclarator",
"start": 6,
"end": 67,
"loc": {
"start": {
"line": 1,
"column": 6
},
"end": {
"line": 4,
"column": 24
}
},
"id": {
"type": "Identifier",
"start": 6,
"end": 9,
"loc": {
"start": {
"line": 1,
"column": 6
},
"end": {
"line": 1,
"column": 9
},
"identifierName": "obj"
},
"name": "obj"
},
"init": {
"type": "AssignmentExpression",
"start": 12,
"end": 67,
"loc": {
"start": {
"line": 1,
"column": 12
},
"end": {
"line": 4,
"column": 24
}
},
"operator": "=",
"left": {
"type": "ObjectPattern",
"start": 12,
"end": 44,
"loc": {
"start": {
"line": 1,
"column": 12
},
"end": {
"line": 4,
"column": 1
}
},
"properties": [
{
"type": "ObjectProperty",
"start": 16,
"end": 25,
"loc": {
"start": {
"line": 2,
"column": 2
},
"end": {
"line": 2,
"column": 11
}
},
"method": false,
"key": {
"type": "Identifier",
"start": 16,
"end": 19,
"loc": {
"start": {
"line": 2,
"column": 2
},
"end": {
"line": 2,
"column": 5
},
"identifierName": "foo"
},
"name": "foo"
},
"computed": false,
"shorthand": true,
"value": {
"type": "AssignmentPattern",
"start": 16,
"end": 25,
"loc": {
"start": {
"line": 2,
"column": 2
},
"end": {
"line": 2,
"column": 11
}
},
"left": {
"type": "Identifier",
"start": 16,
"end": 19,
"loc": {
"start": {
"line": 2,
"column": 2
},
"end": {
"line": 2,
"column": 5
},
"identifierName": "foo"
},
"name": "foo"
},
"right": {
"type": "NumericLiteral",
"start": 22,
"end": 25,
"loc": {
"start": {
"line": 2,
"column": 8
},
"end": {
"line": 2,
"column": 11
}
},
"extra": {
"rawValue": 123,
"raw": "123"
},
"value": 123
}
},
"extra": {
"shorthand": true
}
},
{
"type": "ObjectProperty",
"start": 29,
"end": 41,
"loc": {
"start": {
"line": 3,
"column": 2
},
"end": {
"line": 3,
"column": 14
}
},
"method": false,
"key": {
"type": "Identifier",
"start": 29,
"end": 32,
"loc": {
"start": {
"line": 3,
"column": 2
},
"end": {
"line": 3,
"column": 5
},
"identifierName": "bar"
},
"name": "bar"
},
"computed": false,
"shorthand": false,
"value": {
"type": "AssignmentPattern",
"start": 34,
"end": 41,
"loc": {
"start": {
"line": 3,
"column": 7
},
"end": {
"line": 3,
"column": 14
}
},
"left": {
"type": "Identifier",
"start": 34,
"end": 35,
"loc": {
"start": {
"line": 3,
"column": 7
},
"end": {
"line": 3,
"column": 8
},
"identifierName": "x"
},
"name": "x"
},
"right": {
"type": "NumericLiteral",
"start": 38,
"end": 41,
"loc": {
"start": {
"line": 3,
"column": 11
},
"end": {
"line": 3,
"column": 14
}
},
"extra": {
"rawValue": 123,
"raw": "123"
},
"value": 123
}
}
}
],
"extra": {
"trailingComma": 41
}
},
"right": {
"type": "ObjectExpression",
"start": 47,
"end": 67,
"loc": {
"start": {
"line": 4,
"column": 4
},
"end": {
"line": 4,
"column": 24
}
},
"properties": [
{
"type": "ObjectProperty",
"start": 49,
"end": 56,
"loc": {
"start": {
"line": 4,
"column": 6
},
"end": {
"line": 4,
"column": 13
}
},
"method": false,
"key": {
"type": "Identifier",
"start": 49,
"end": 52,
"loc": {
"start": {
"line": 4,
"column": 6
},
"end": {
"line": 4,
"column": 9
},
"identifierName": "foo"
},
"name": "foo"
},
"computed": false,
"shorthand": false,
"value": {
"type": "NumericLiteral",
"start": 54,
"end": 56,
"loc": {
"start": {
"line": 4,
"column": 11
},
"end": {
"line": 4,
"column": 13
}
},
"extra": {
"rawValue": 24,
"raw": "24"
},
"value": 24
}
},
{
"type": "ObjectProperty",
"start": 58,
"end": 65,
"loc": {
"start": {
"line": 4,
"column": 15
},
"end": {
"line": 4,
"column": 22
}
},
"method": false,
"key": {
"type": "Identifier",
"start": 58,
"end": 61,
"loc": {
"start": {
"line": 4,
"column": 15
},
"end": {
"line": 4,
"column": 18
},
"identifierName": "bar"
},
"name": "bar"
},
"computed": false,
"shorthand": false,
"value": {
"type": "NumericLiteral",
"start": 63,
"end": 65,
"loc": {
"start": {
"line": 4,
"column": 20
},
"end": {
"line": 4,
"column": 22
}
},
"extra": {
"rawValue": 45,
"raw": "45"
},
"value": 45
}
}
]
}
}
}
],
"kind": "const"
}
],
"directives": []
}
}