Function getIndentationLength

packages/jest-snapshot/src/dedentLines.ts:8–11

(line: string)

 */

const getIndentationLength = (line: string): number => {
  const result = /^( {2})+/.exec(line);
  return result === null ? 0 : result[0].length;
};

const dedentLine = (line: string): string =>
  line.slice(getIndentationLength(line));