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Simplify visitNode's 'lift' argument (#42000)

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This commit is contained in:
Ron Buckton
2020-12-17 12:43:59 -08:00
committed by GitHub
parent 3722584029
commit 2a736a88e3
4 changed files with 13 additions and 13 deletions
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src/compiler/types.ts
+2 -2
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@@ -7595,8 +7595,8 @@ namespace ts {
export type Visitor = (node: Node) => VisitResult<Node>;
export interface NodeVisitor {
<T extends Node>(nodes: T, visitor: Visitor | undefined, test?: (node: Node) => boolean, lift?: (node: NodeArray<Node>) => T): T;
<T extends Node>(nodes: T | undefined, visitor: Visitor | undefined, test?: (node: Node) => boolean, lift?: (node: NodeArray<Node>) => T): T | undefined;
<T extends Node>(nodes: T, visitor: Visitor | undefined, test?: (node: Node) => boolean, lift?: (node: readonly Node[]) => T): T;
<T extends Node>(nodes: T | undefined, visitor: Visitor | undefined, test?: (node: Node) => boolean, lift?: (node: readonly Node[]) => T): T | undefined;
}
export interface NodesVisitor {
src/compiler/visitorPublic.ts
+3 -3
View File
@@ -9,7 +9,7 @@ namespace ts {
* @param test A callback to execute to verify the Node is valid.
* @param lift An optional callback to execute to lift a NodeArray into a valid Node.
*/
export function visitNode<T extends Node>(node: T, visitor: Visitor | undefined, test?: (node: Node) => boolean, lift?: (node: NodeArray<Node>) => T): T;
export function visitNode<T extends Node>(node: T, visitor: Visitor | undefined, test?: (node: Node) => boolean, lift?: (node: readonly Node[]) => T): T;
/**
* Visits a Node using the supplied visitor, possibly returning a new Node in its place.
@@ -19,9 +19,9 @@ namespace ts {
* @param test A callback to execute to verify the Node is valid.
* @param lift An optional callback to execute to lift a NodeArray into a valid Node.
*/
export function visitNode<T extends Node>(node: T | undefined, visitor: Visitor | undefined, test?: (node: Node) => boolean, lift?: (node: NodeArray<Node>) => T): T | undefined;
export function visitNode<T extends Node>(node: T | undefined, visitor: Visitor | undefined, test?: (node: Node) => boolean, lift?: (node: readonly Node[]) => T): T | undefined;
export function visitNode<T extends Node>(node: T | undefined, visitor: Visitor | undefined, test?: (node: Node) => boolean, lift?: (node: NodeArray<Node>) => T): T | undefined {
export function visitNode<T extends Node>(node: T | undefined, visitor: Visitor | undefined, test?: (node: Node) => boolean, lift?: (node: readonly Node[]) => T): T | undefined {
if (node === undefined || visitor === undefined) {
return node;
}