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add support for if and block statements to t.toSequenceExpression

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This commit is contained in:
Sebastian McKenzie 2015-03-10 17:20:26 +11:00
parent 5586ce280f
commit 8328f638c2
1 changed files with 9 additions and 1 deletions
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10
src/babel/types/index.js
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@ -139,7 +139,7 @@ t.toComputedKey = function (node: Object, key: Object = node.key): Object {
* Variable declarations are turned into simple assignments and their * Variable declarations are turned into simple assignments and their
* declarations hoisted to the top of the current scope. * declarations hoisted to the top of the current scope.
* *
* Expression statements are just resolved to their standard expression. * Expression statements are just resolved to their expression.
*/ */
t.toSequenceExpression = function (nodes: Array<Object>, scope: Scope): Object { t.toSequenceExpression = function (nodes: Array<Object>, scope: Scope): Object {
@ -158,6 +158,14 @@ t.toSequenceExpression = function (nodes: Array<Object>, scope: Scope): Object {
}); });
exprs.push(t.assignmentExpression("=", declar.id, declar.init)); exprs.push(t.assignmentExpression("=", declar.id, declar.init));
}); });
} else if (t.isIfStatement(node)) {
return t.conditionalExpression(
node.test,
node.consequent ? t.toSequenceExpression([node.consequent]) : t.identifier("undefined"),
node.alternate ? t.toSequenceExpression([node.alternate]) : t.identifier("undefined")
);
} else if (t.isBlockStatement(node)) {
return t.toSequenceExpression(node.body);
} }
}); });