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convertFunctionToEs6Class: Combine deletes and deletedNodes (#22742)

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Andy 2018-03-22 08:22:00 -07:00 committed by GitHub
parent f2f2393f4b
commit b6b51a4d38
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1 changed files with 11 additions and 14 deletions
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25
src/services/codefixes/convertFunctionToEs6Class.ts
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@ -13,8 +13,7 @@ namespace ts.codefix {
});
function doChange(changes: textChanges.ChangeTracker, sourceFile: SourceFile, position: number, checker: TypeChecker): void {
const deletedNodes: Node[] = [];
const deletes: (() => void)[] = [];
const deletedNodes: { node: Node, inList: boolean }[] = [];
const ctorSymbol = checker.getSymbolAtLocation(getTokenAtPosition(sourceFile, position, /*includeJsDocComment*/ false));
if (!ctorSymbol || !(ctorSymbol.flags & (SymbolFlags.Function | SymbolFlags.Variable))) {
@ -53,21 +52,19 @@ namespace ts.codefix {
// Because the preceding node could be touched, we need to insert nodes before delete nodes.
changes.insertNodeAfter(sourceFile, precedingNode, newClassDeclaration);
for (const deleteCallback of deletes) {
deleteCallback();
for (const { node, inList } of deletedNodes) {
if (inList) {
changes.deleteNodeInList(sourceFile, node);
}
else {
changes.deleteNode(sourceFile, node);
}
}
function deleteNode(node: Node, inList = false) {
if (deletedNodes.some(n => isNodeDescendantOf(node, n))) {
// Parent node has already been deleted; do nothing
return;
}
deletedNodes.push(node);
if (inList) {
deletes.push(() => changes.deleteNodeInList(sourceFile, node));
}
else {
deletes.push(() => changes.deleteNode(sourceFile, node));
// If parent node has already been deleted, do nothing
if (!deletedNodes.some(n => isNodeDescendantOf(node, n.node))) {
deletedNodes.push({ node, inList });
}
}