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Make getOriginalNode/getParseTreeNode public

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This commit is contained in:
Ron Buckton 2017-02-01 19:41:28 -08:00
parent ff4c72de00
commit a72abc8ebc
1 changed files with 51 additions and 51 deletions
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102
src/compiler/utilities.ts
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@ -2042,57 +2042,6 @@ namespace ts {
|| positionIsSynthesized(node.end);
}
export function getOriginalNode(node: Node): Node;
export function getOriginalNode<T extends Node>(node: Node, nodeTest: (node: Node) => node is T): T;
export function getOriginalNode(node: Node, nodeTest?: (node: Node) => boolean): Node {
if (node) {
while (node.original !== undefined) {
node = node.original;
}
}
return !nodeTest || nodeTest(node) ? node : undefined;
}
/**
* Gets a value indicating whether a node originated in the parse tree.
*
* @param node The node to test.
*/
export function isParseTreeNode(node: Node): boolean {
return (node.flags & NodeFlags.Synthesized) === 0;
}
/**
* Gets the original parse tree node for a node.
*
* @param node The original node.
* @returns The original parse tree node if found; otherwise, undefined.
*/
export function getParseTreeNode(node: Node): Node;
/**
* Gets the original parse tree node for a node.
*
* @param node The original node.
* @param nodeTest A callback used to ensure the correct type of parse tree node is returned.
* @returns The original parse tree node if found; otherwise, undefined.
*/
export function getParseTreeNode<T extends Node>(node: Node, nodeTest?: (node: Node) => node is T): T;
export function getParseTreeNode(node: Node, nodeTest?: (node: Node) => boolean): Node {
if (isParseTreeNode(node)) {
return node;
}
node = getOriginalNode(node);
if (isParseTreeNode(node) && (!nodeTest || nodeTest(node))) {
return node;
}
return undefined;
}
export function getOriginalSourceFileOrBundle(sourceFileOrBundle: SourceFile | Bundle) {
if (sourceFileOrBundle.kind === SyntaxKind.Bundle) {
return updateBundle(sourceFileOrBundle, sameMap(sourceFileOrBundle.sourceFiles, getOriginalSourceFile));
@ -4530,4 +4479,55 @@ namespace ts {
return true;
}
}
export function getOriginalNode(node: Node): Node;
export function getOriginalNode<T extends Node>(node: Node, nodeTest: (node: Node) => node is T): T;
export function getOriginalNode(node: Node, nodeTest?: (node: Node) => boolean): Node {
if (node) {
while (node.original !== undefined) {
node = node.original;
}
}
return !nodeTest || nodeTest(node) ? node : undefined;
}
/**
* Gets a value indicating whether a node originated in the parse tree.
*
* @param node The node to test.
*/
export function isParseTreeNode(node: Node): boolean {
return (node.flags & NodeFlags.Synthesized) === 0;
}
/**
* Gets the original parse tree node for a node.
*
* @param node The original node.
* @returns The original parse tree node if found; otherwise, undefined.
*/
export function getParseTreeNode(node: Node): Node;
/**
* Gets the original parse tree node for a node.
*
* @param node The original node.
* @param nodeTest A callback used to ensure the correct type of parse tree node is returned.
* @returns The original parse tree node if found; otherwise, undefined.
*/
export function getParseTreeNode<T extends Node>(node: Node, nodeTest?: (node: Node) => node is T): T;
export function getParseTreeNode(node: Node, nodeTest?: (node: Node) => boolean): Node {
if (isParseTreeNode(node)) {
return node;
}
node = getOriginalNode(node);
if (isParseTreeNode(node) && (!nodeTest || nodeTest(node))) {
return node;
}
return undefined;
}
}