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/*Copyright 2021 Eric Selin
This file is part of `bob`.
`bob` is free software: you can redistribute it and/or modifyit under the terms of the GNU Lesser General Public License as published bythe Free Software Foundation, either version 3 of the License, or(at your option) any later version.
`bob` is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See theGNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public Licensealong with `bob`. If not, see <https://www.gnu.org/licenses/>.
Please contact the developers via GitHub <https://www.github.com/ericselin>or email eric.selin@gmail.com <mailto:eric.selin@gmail.com>*/
type MaybeString = string | undefined;
export function readContents(filepath: MaybeString): Promise<MaybeString>;export function readContents(filepaths: (MaybeString)[]): Promise<MaybeString>;
export async function readContents(filepath: MaybeString | MaybeString[]) {  if (!filepath) return;  if (typeof filepath === "string") {    return Deno.readTextFile(filepath);  } else {    return (await Promise.all(      filepath.map((path) => path && Deno.readTextFile(path)),    ))      .filter(Boolean)      .join("\n");  }}