eslint-etc/source/get-loc.ts

Utils for ESLint TypeScript rules

/**
 * @license Use of this source code is governed by an MIT-style license that
 * can be found in the LICENSE file at https://github.com/cartant/eslint-etc
 */
/* eslint sort-keys: "off" */

import { TSESTree as es } from "@typescript-eslint/experimental-utils";
import * as ts from "typescript";

export function getLoc(node: ts.Node): es.SourceLocation {
  const sourceFile = node.getSourceFile();
  const start = ts.getLineAndCharacterOfPosition(sourceFile, node.getStart());
  const end = ts.getLineAndCharacterOfPosition(sourceFile, node.getEnd());
  return {
    start: {
      line: start.line + 1,
      column: start.character,
    },
    end: {
      line: end.line + 1,
      column: end.character,
    },
  };
}