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fix patterns with async keys - fixes #2171

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This commit is contained in:
Sebastian McKenzie 2015-08-05 23:22:31 +01:00
parent 9826be30cc
commit 5ec9f78493
4 changed files with 195 additions and 3 deletions
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7
src/parser/expression.js
View File

@ -587,10 +587,11 @@ pp.parseObj = function (isPattern, refShorthandDefaultPos) {
startPos = this.state.start;
startLoc = this.state.startLoc;
}
if (!isPattern)
if (!isPattern) {
isGenerator = this.eat(tt.star);
if (this.options.features["es7.asyncFunctions"] && this.isContextual("async")) {
if (isGenerator || isPattern) this.unexpected();
}
if (!isPattern && this.options.features["es7.asyncFunctions"] && this.isContextual("async")) {
if (isGenerator) this.unexpected();
var asyncId = this.parseIdent();
if (this.match(tt.colon) || this.match(tt.parenL)) {
prop.key = asyncId;

5
test/fixtures/experimental/async-functions/options.json vendored Normal file
View File

@ -0,0 +1,5 @@
{
"features": {
"es7.asyncFunctions": true
}
}

1
test/fixtures/experimental/async-functions/pattern/actual.js vendored Normal file
View File

@ -0,0 +1 @@
const {async} = require('../lang/task')

185
test/fixtures/experimental/async-functions/pattern/expected.json vendored Normal file
View File

@ -0,0 +1,185 @@
{
"type": "File",
"start": 0,
"end": 39,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 39
}
},
"program": {
"type": "Program",
"start": 0,
"end": 39,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 39
}
},
"sourceType": "script",
"body": [
{
"type": "VariableDeclaration",
"start": 0,
"end": 39,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 39
}
},
"declarations": [
{
"type": "VariableDeclarator",
"start": 6,
"end": 39,
"loc": {
"start": {
"line": 1,
"column": 6
},
"end": {
"line": 1,
"column": 39
}
},
"id": {
"type": "ObjectPattern",
"start": 6,
"end": 13,
"loc": {
"start": {
"line": 1,
"column": 6
},
"end": {
"line": 1,
"column": 13
}
},
"properties": [
{
"type": "Property",
"start": 7,
"end": 12,
"loc": {
"start": {
"line": 1,
"column": 7
},
"end": {
"line": 1,
"column": 12
}
},
"method": false,
"shorthand": true,
"computed": false,
"key": {
"type": "Identifier",
"start": 7,
"end": 12,
"loc": {
"start": {
"line": 1,
"column": 7
},
"end": {
"line": 1,
"column": 12
}
},
"name": "async"
},
"kind": "init",
"value": {
"type": "Identifier",
"start": 7,
"end": 12,
"loc": {
"start": {
"line": 1,
"column": 7
},
"end": {
"line": 1,
"column": 12
}
},
"name": "async"
}
}
]
},
"init": {
"type": "CallExpression",
"start": 16,
"end": 39,
"loc": {
"start": {
"line": 1,
"column": 16
},
"end": {
"line": 1,
"column": 39
}
},
"callee": {
"type": "Identifier",
"start": 16,
"end": 23,
"loc": {
"start": {
"line": 1,
"column": 16
},
"end": {
"line": 1,
"column": 23
}
},
"name": "require"
},
"arguments": [
{
"type": "Literal",
"start": 24,
"end": 38,
"loc": {
"start": {
"line": 1,
"column": 24
},
"end": {
"line": 1,
"column": 38
}
},
"value": "../lang/task",
"rawValue": "../lang/task",
"raw": "'../lang/task'"
}
]
}
}
],
"kind": "const"
}
]
}
}