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Remove duplicate implementations

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This commit is contained in:
Ron Buckton
2018-01-16 17:11:32 -08:00
parent 136c4d0dda
commit c4fddba0a9
1 changed files with 5 additions and 72 deletions
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77
src/compiler/transformers/es2017.ts
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@@ -322,7 +322,7 @@ namespace ts {
const variables = getInitializedVariables(node);
if (variables.length === 0) {
if (hasReceiver) {
return convertBindingNameToAssignmentTarget(node.declarations[0].name);
return visitNode(convertToAssignmentElementTarget(node.declarations[0].name), visitor, isExpression);
}
return undefined;
}
@@ -348,81 +348,14 @@ namespace ts {
}
function transformInitializedVariable(node: VariableDeclaration) {
return setSourceMapRange(
const converted = setSourceMapRange(
createAssignment(
convertBindingNameToAssignmentTarget(node.name),
visitNode(node.initializer, visitor, isExpression)
convertToAssignmentElementTarget(node.name),
node.initializer
),
node
);
}
function convertBindingNameToAssignmentTarget(node: BindingName): Identifier | AssignmentPattern {
return isObjectBindingPattern(node) ? convertObjectBindingPatternToObjectAssignmentPattern(node) :
isArrayBindingPattern(node) ? convertArrayBindingPatternToArrayAssignmentPattern(node) :
setSourceMapRange(<Identifier>getSynthesizedClone(node), node);
}
function convertObjectBindingPatternToObjectAssignmentPattern(node: ObjectBindingPattern): ObjectLiteralExpression {
return createObjectLiteral(
map(node.elements, convertObjectBindingElementToObjectAssignmentElement)
);
}
function convertObjectBindingElementToObjectAssignmentElement(node: BindingElement): ObjectLiteralElementLike {
if (node.propertyName) {
let expression: Expression = convertBindingNameToAssignmentTarget(node.name);
if (node.initializer) {
expression = createAssignment(expression, visitNode(node.initializer, visitor, isExpression));
}
return setSourceMapRange(
createPropertyAssignment(
visitNode(node.propertyName, visitor, isPropertyName),
expression
),
node
);
}
else if (node.dotDotDotToken) {
return setSourceMapRange(
createSpreadAssignment(
visitNode(cast(node.name, isIdentifier), visitor, isIdentifier)
),
node
);
}
else {
return setSourceMapRange(
createShorthandPropertyAssignment(
visitNode(cast(node.name, isIdentifier), visitor, isIdentifier),
visitNode(node.initializer, visitor, isExpression)
),
node
);
}
}
function convertArrayBindingPatternToArrayAssignmentPattern(node: ArrayBindingPattern): ArrayLiteralExpression {
return setSourceMapRange(
createArrayLiteral(
map(node.elements, convertArrayBindingElementToArrayAssignmentElement)
),
node
);
}
function convertArrayBindingElementToArrayAssignmentElement(node: ArrayBindingElement): Expression {
if (isOmittedExpression(node)) return node;
let expression: Expression = convertBindingNameToAssignmentTarget(node.name);
if (node.initializer) {
expression = createAssignment(expression, visitNode(node.initializer, visitor, isExpression));
setSourceMapRange(expression, node);
}
else if (node.dotDotDotToken) {
expression = createSpread(expression);
setSourceMapRange(expression, node);
}
return expression;
return visitNode(converted, visitor, isExpression);
}
function collidesWithParameterName({ name }: VariableDeclaration | BindingElement): boolean {