Feb 21, 2021 · Feb 21, 2021
diff --git a/packages/typescript-estree/src/convert.ts b/packages/typescript-estree/src/convert.ts
    if (!modifiers || !modifiers.length) {
      return;
    }
    const remainingModifiers: TSESTree.Modifier[] = [];
    /**
     * Some modifiers are explicitly handled by applying them as
     * boolean values on the result node. As well as adding them
     * to the result, we remove them from the array, so that they
     * are not handled twice.
     */
    const handledModifierIndices: { [key: number]: boolean } = {};
    for (let i = 0; i < modifiers.length; i++) {
      const modifier = modifiers[i];
      switch (modifier.kind) {
         */
        case SyntaxKind.ExportKeyword:
        case SyntaxKind.DefaultKeyword:
          handledModifierIndices[i] = true;
          break;
        case SyntaxKind.ConstKeyword:
          (result as any).const = true;
          handledModifierIndices[i] = true;
          break;
        case SyntaxKind.DeclareKeyword:
          result.declare = true;
          handledModifierIndices[i] = true;
          break;
        default:
          remainingModifiers.push(this.convertChild(modifier));
          break;
      }
    }
    /**
     * If there are still valid modifiers available which have
     * not been explicitly handled above, we just convert and
     * add the modifiers array to the result node.
     */
    const remainingModifiers = modifiers.filter(
      (_, i) => !handledModifierIndices[i],
    );
    if (!remainingModifiers || !remainingModifiers.length) {
      return;
    if (remainingModifiers.length) {
      result.modifiers = remainingModifiers;
    }
    result.modifiers = remainingModifiers.map(el => this.convertChild(el));
  }

  /**
Original file line number	Diff line number	Diff line change
Expand Up		@@ -580,13 +580,13 @@ export class Converter {
		if (!modifiers \|\| !modifiers.length) {
		return;
		}
		const remainingModifiers: TSESTree.Modifier[] = [];
		/**
		* Some modifiers are explicitly handled by applying them as
		* boolean values on the result node. As well as adding them
		* to the result, we remove them from the array, so that they
		* are not handled twice.
		*/
		const handledModifierIndices: { [key: number]: boolean } = {};
		for (let i = 0; i < modifiers.length; i++) {
		const modifier = modifiers[i];
		switch (modifier.kind) {
Expand All		@@ -596,31 +596,26 @@ export class Converter {
		*/
		case SyntaxKind.ExportKeyword:
		case SyntaxKind.DefaultKeyword:
		handledModifierIndices[i] = true;
		break;
		case SyntaxKind.ConstKeyword:
		(result as any).const = true;
		handledModifierIndices[i] = true;
		break;
		case SyntaxKind.DeclareKeyword:
		result.declare = true;
		handledModifierIndices[i] = true;
		break;
		default:
		remainingModifiers.push(this.convertChild(modifier));
		break;
		}
		}
		/**
		* If there are still valid modifiers available which have
		* not been explicitly handled above, we just convert and
		* add the modifiers array to the result node.
		*/
		const remainingModifiers = modifiers.filter(
		(_, i) => !handledModifierIndices[i],
		);
		if (!remainingModifiers \|\| !remainingModifiers.length) {
		return;
		if (remainingModifiers.length) {
		result.modifiers = remainingModifiers;
		}
		result.modifiers = remainingModifiers.map(el => this.convertChild(el));
		}

		/**
Expand Down