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added isExpressionES6 & isStatementES6 #21

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added isExpressionES6 & isStatementES6 #21

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e744dc7
added isExpressionES6 & isStatementES6
drom Aug 22, 2015
de114fb
added isPatternES6 API
drom Aug 22, 2015
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29 changes: 29 additions & 0 deletions lib/ast.js
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,23 @@
return false;
}

function isExpressionES6(node) {
if (node == null) { return false; }
if (isExpression(node)) { return true; }
switch (node.type) {
case 'ArrowFunctionExpression':
case 'ClassExpression':
case 'TaggedTemplateExpression':
case 'YieldExpression':
// patterns may not belong here?
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@michaelficarra michaelficarra Aug 22, 2015

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Yeah, patterns are not expressions.

case 'AssignmentPattern':
case 'ArrayPattern':
case 'ObjectPattern':
return true;
}
return false;
}

function isIterationStatement(node) {
if (node == null) { return false; }
switch (node.type) {
Expand Down Expand Up @@ -87,6 +104,16 @@
return false;
}

function isStatementES6(node) {
if (node == null) { return false; }
if (isStatement(node)) { return true; }
switch (node.type) {
case 'ForOfStatement':
return true;
}
return false;
}

function isSourceElement(node) {
return isStatement(node) || node != null && node.type === 'FunctionDeclaration';
}
Expand Down Expand Up @@ -133,7 +160,9 @@

module.exports = {
isExpression: isExpression,
isExpressionES6: isExpressionES6,
isStatement: isStatement,
isStatementES6: isStatementES6,
isIterationStatement: isIterationStatement,
isSourceElement: isSourceElement,
isProblematicIfStatement: isProblematicIfStatement,
Expand Down