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