93 lines
1.7 KiB
JavaScript
93 lines
1.7 KiB
JavaScript
import fs from "node:fs/promises";
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import sdbm from "sdbm";
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import { __internal as sharedWithCli } from "../index.js";
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const { arrayify, isNonEmptyArray, partition } = sharedWithCli.utils;
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// eslint-disable-next-line no-console
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const printToScreen = console.log.bind(console);
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/**
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* @template Obj
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* @template Key
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* @param {Array<Obj>} array
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* @param {(value: Obj) => Key} iteratee
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* @returns {{[p in Key]: T}}
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*/
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function groupBy(array, iteratee) {
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const result = Object.create(null);
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for (const value of array) {
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const key = iteratee(value);
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if (Array.isArray(result[key])) {
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result[key].push(value);
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} else {
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result[key] = [value];
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}
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}
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return result;
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}
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/**
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* @template Obj
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* @template {keyof Obj} Keys
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* @param {Obj} object
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* @param {Array<Keys>} keys
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* @returns {{[key in Keys]: Obj[key]}}
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*/
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function pick(object, keys) {
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const entries = keys.map((key) => [key, object[key]]);
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return Object.fromEntries(entries);
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}
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/**
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* @param {string} source
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* @returns {string}
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*/
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function createHash(source) {
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return String(sdbm(source));
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}
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/**
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* Get stats of a given path.
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* @param {string} filePath The path to target file.
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* @returns {Promise<import('fs').Stats | undefined>} The stats.
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*/
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async function statSafe(filePath) {
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try {
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return await fs.stat(filePath);
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} catch (error) {
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/* c8 ignore next 3 */
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if (error.code !== "ENOENT") {
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throw error;
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}
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}
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}
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/**
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* @param {string} value
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* @returns {boolean}
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*/
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function isJson(value) {
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try {
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JSON.parse(value);
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return true;
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} catch {
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return false;
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}
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}
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export {
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arrayify,
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isNonEmptyArray,
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partition,
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printToScreen,
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groupBy,
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pick,
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createHash,
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statSafe,
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isJson,
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};
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