esast/src/nodes/expression-function-arrow.mts at main · flex-development/esast · GitHub

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/**
 * @file Nodes - ArrowFunctionExpression
 * @module esast/nodes/ArrowFunctionExpression
 */

import type InternalComments from '#internal/internal-comments'
import type {
  BlockStatement,
  Comments,
  Data,
  Expression,
  ParameterList,
  Parent,
  TypeAnnotation,
  TypeParameterList
} from '@flex-development/esast'

/**
 * Info associated with arrow function expressions.
 *
 * @see {@linkcode Data}
 *
 * @extends {Data}
 */
interface ArrowFunctionExpressionData extends Data {}

/**
 * An arrow function expression.
 *
 * @see {@linkcode Parent}
 *
 * @extends {Parent}
 */
interface ArrowFunctionExpression extends Parent {
  /**
   * Asynchronous arrow function?
   *
   * @see https://developer.mozilla.org/docs/Web/JavaScript/Reference/Operators/async_function
   */
  async: boolean

  /**
   * List of children.
   *
   * @see {@linkcode BlockStatement}
   * @see {@linkcode Comments}
   * @see {@linkcode Expression}
   * @see {@linkcode ParameterList}
   * @see {@linkcode TypeAnnotation}
   * @see {@linkcode TypeParameterList}
   */
  children:
    | [
      ...comments: Comments,
      params: ParameterList,
      ...comments: InternalComments,
      body: BlockStatement | Expression
    ]
    | [
      ...comments: Comments,
      params: ParameterList,
      ...comments: InternalComments,
      returnType: TypeAnnotation,
      ...comments: InternalComments,
      body: BlockStatement | Expression
    ]
    | [
      ...comments: Comments,
      typeParams: TypeParameterList,
      ...comments: InternalComments,
      params: ParameterList,
      ...comments: InternalComments,
      body: BlockStatement | Expression
    ]
    | [
      ...comments: Comments,
      typeParams: TypeParameterList,
      ...comments: InternalComments,
      params: ParameterList,
      ...comments: InternalComments,
      returnType: TypeAnnotation,
      ...comments: InternalComments,
      body: BlockStatement | Expression
    ]

  /**
   * Info from the ecosystem.
   *
   * @see {@linkcode ArrowFunctionExpressionData}
   */
  data?: ArrowFunctionExpressionData | undefined

  /**
   * Node type.
   */
  type: 'arrowFunctionExpression'
}

export type { ArrowFunctionExpressionData, ArrowFunctionExpression as default }