ethers.js/admin/utils.js
2020-01-11 04:17:08 -05:00

65 lines
1.2 KiB
JavaScript

"use strict";
const fs = require("fs");
const _resolve = require("path").resolve;
function repeat(chr, length) {
let result = chr;
while (result.length < length) { result += chr; }
return result;
}
function zpad(value) {
value = String(value);
while (value.length < 2) { value = "0" + value; }
return value;
}
function getDate(date) {
return [
date.getFullYear(),
zpad(date.getMonth() + 1),
zpad(date.getDate())
].join("-");
}
function getDateTime(date) {
return getDate(date) + " " + [
zpad(date.getHours()) ,
zpad(date.getMinutes() + 1)
].join(":");
}
function today() {
return getDate(new Date());
}
function loadJson(filename) {
return JSON.parse(fs.readFileSync(filename).toString());
}
// @TODO: atomic write
function saveJson(filename, json) {
fs.writeFileSync(filename, JSON.stringify(json, null, 2) + "\n");
}
function resolve(...args) {
args = args.slice();
args.unshift("..");
args.unshift(__dirname);
return _resolve.apply(null, args);
}
module.exports = {
resolve: resolve,
loadJson: loadJson,
saveJson: saveJson,
repeat: repeat,
today: today,
getDate: getDate,
getDateTime: getDateTime
}