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NodeMetadata.ts
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71 lines (64 loc) · 2.21 KB
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import * as ESTree from 'estree';
export class NodeMetadata {
/**
* @param {T} node
* @param {Partial<T["metadata"]>} metadata
*/
public static set <T extends ESTree.Node = ESTree.Node> (node: T, metadata: Partial<T['metadata']>): void {
node.metadata = Object.assign(node.metadata ?? {}, metadata);
}
/**
* @param {Node} node
* @param {keyof T} metadataKey
* @returns {T[keyof T] | undefined}
*/
public static get <
T extends ESTree.BaseNodeMetadata,
TMetadataKey extends keyof T
> (node: ESTree.Node, metadataKey: TMetadataKey): T[TMetadataKey] | undefined {
return node.metadata !== undefined
? (<T>node.metadata)[metadataKey]
: undefined;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isEvalHostNode (node: ESTree.Node): boolean {
return NodeMetadata.get<ESTree.FunctionExpressionNodeMetadata, 'evalHostNode'>(node, 'evalHostNode') === true;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isForceTransformNode (node: ESTree.Node): boolean {
return NodeMetadata.get<ESTree.BaseNodeMetadata, 'forceTransformNode'>(node, 'forceTransformNode') === true;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isIgnoredNode (node: ESTree.Node): boolean {
return NodeMetadata.get<ESTree.BaseNodeMetadata, 'ignoredNode'>(node, 'ignoredNode') === true;
}
/**
* @param {Identifier | Literal} node
* @returns {boolean}
*/
public static isPropertyKeyToRenameNode (node: ESTree.Identifier | ESTree.Literal): boolean {
return NodeMetadata.get<ESTree.IdentifierNodeMetadata | ESTree.LiteralNodeMetadata, 'propertyKeyToRenameNode'>(
node,
'propertyKeyToRenameNode'
) === true;
}
/**
* @param {Node} literalNode
* @returns {boolean}
*/
public static isStringArrayCallLiteralNode (literalNode: ESTree.Literal): boolean {
return NodeMetadata.get<
ESTree.LiteralNodeMetadata,
'stringArrayCallLiteralNode'
>(literalNode, 'stringArrayCallLiteralNode') === true;
}
}