/*
 * Copyright 2022 Palantir Technologies, Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { AST_TOKEN_TYPES, TSESLint } from "@typescript-eslint/utils";

/**
 * Gets all identifier tokens in a source file.
 */
export function getAllIdentifiersInFile(source: TSESLint.SourceCode): string[] {
    return source.ast.tokens.filter(token => token.type === AST_TOKEN_TYPES.Identifier).map(token => token.value);
}
