project bootstrap

node_modules/tsutils/util/convert-ast.d.ts

@@ -0,0 +1,33 @@
+import * as ts from 'typescript';
+/** Wraps an AST node. Can be used as a tree using `children` or a linked list using `next` and `skip`. */
+export interface NodeWrap {
+    /** The real AST node. */
+    node: ts.Node;
+    /** The SyntaxKind of `node`. */
+    kind: ts.SyntaxKind;
+    /** All immediate children of `node` that would be visited by `ts.forEachChild(node, cb)`. */
+    children: NodeWrap[];
+    /** Link to the next NodeWrap, depth-first. */
+    next?: NodeWrap;
+    /** Link to the next NodeWrap skipping all children of the current node. */
+    skip?: NodeWrap;
+    /** Link to the parent NodeWrap */
+    parent?: NodeWrap;
+}
+export interface WrappedAst extends NodeWrap {
+    node: ts.SourceFile;
+    next: NodeWrap;
+    skip: undefined;
+    parent: undefined;
+}
+export interface ConvertedAst {
+    /** nodes wrapped in a data structure with useful links */
+    wrapped: WrappedAst;
+    /** depth-first array of all nodes excluding SourceFile */
+    flat: ReadonlyArray<ts.Node>;
+}
+/**
+ * Takes a `ts.SourceFile` and creates data structures that are easier (or more performant) to traverse.
+ * Note that there is only a performance gain if you can reuse these structures. It's not recommended for one-time AST walks.
+ */
+export declare function convertAst(sourceFile: ts.SourceFile): ConvertedAst;