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Remove constant substitution from ES2017 transformer

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This commit is contained in:
Andrej Baran
2016-10-13 12:04:36 +02:00
parent 7df3fda2b3
commit c5ddf27dc6
1 changed files with 1 additions and 31 deletions
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32
src/compiler/transformers/es2017.ts
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@@ -395,7 +395,7 @@ namespace ts {
}
}
return substituteConstantValue(node);
return node;
}
function substituteElementAccessExpression(node: ElementAccessExpression) {
@@ -410,39 +410,9 @@ namespace ts {
}
}
return substituteConstantValue(node);
}
function substituteConstantValue(node: PropertyAccessExpression | ElementAccessExpression): LeftHandSideExpression {
const constantValue = tryGetConstEnumValue(node);
if (constantValue !== undefined) {
const substitute = createLiteral(constantValue);
setSourceMapRange(substitute, node);
setCommentRange(substitute, node);
if (!compilerOptions.removeComments) {
const propertyName = isPropertyAccessExpression(node)
? declarationNameToString(node.name)
: getTextOfNode(node.argumentExpression);
substitute.trailingComment = ` ${propertyName} `;
}
setConstantValue(node, constantValue);
return substitute;
}
return node;
}
function tryGetConstEnumValue(node: Node): number {
if (compilerOptions.isolatedModules) {
return undefined;
}
return isPropertyAccessExpression(node) || isElementAccessExpression(node)
? resolver.getConstantValue(<PropertyAccessExpression | ElementAccessExpression>node)
: undefined;
}
function substituteCallExpression(node: CallExpression): Expression {
const expression = node.expression;
if (isSuperProperty(expression)) {