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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> (node: ESTree.Node, metadataKey: keyof T): T[keyof T] | undefined {
return node.metadata !== undefined
? (<T>node.metadata)[metadataKey]
: undefined;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isForceTransformNode (node: ESTree.Node): boolean {
return NodeMetadata.get(node, 'forceTransformNode') === true;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isIgnoredNode (node: ESTree.Node): boolean {
return NodeMetadata.get(node, 'ignoredNode') === true;
}
/**
* @param {Node} literalNode
* @returns {boolean}
*/
public static isReplacedLiteral (literalNode: ESTree.Literal): boolean {
return NodeMetadata.get<ESTree.LiteralNodeMetadata>(literalNode, 'replacedLiteral') === true;
}
}
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