Function plannedContentForInstruction

packages/shell/src/helpers.ts:426–452

(
  instruction: StateEditInstruction,
  previous: string | null
)

}

async function plannedContentForInstruction(
  instruction: StateEditInstruction,
  previous: string | null
): Promise<string> {
  if (instruction.kind === "write") {
    return instruction.content;
  }

  if (instruction.kind === "writeJson") {
    return stringifyJsonFileContent(
      instruction.value,
      instruction.path,
      instruction.options?.spaces
    );
  }

  if (previous === null) {
    throw new Error(`ENOENT: no such file: ${instruction.path}`);
  }

  return replaceTextContent(
    previous,
    instruction.search,
    instruction.replacement,
    instruction.options
  ).content;
}

function createTextMatcher(query: string, options: StateSearchOptions): RegExp {
  if (query.length === 0) {