59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const fs = require("fs");
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const crypto = require("crypto");
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function readFile(url) {
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return new Promise(res => {
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fs.readFile(url, (err, data) => {
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if (err)
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res();
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else
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res(data.toString());
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});
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});
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}
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exports.readFile = readFile;
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function readFileSync(url) {
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return fs.readFileSync(url).toString();
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}
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exports.readFileSync = readFileSync;
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function fileExists(url) {
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return new Promise(res => {
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fs.exists(url, _ => {
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res(_);
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});
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});
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}
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exports.fileExists = fileExists;
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function checksum(url, plain = false, alg = 'sha1') {
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return new Promise(res => {
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const hash = crypto.createHash(alg);
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if (plain) {
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res(hash.update(url).digest('hex'));
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}
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else {
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const stream = fs.createReadStream(url);
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stream.on('data', data => hash.update(data, 'utf8'));
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stream.on('end', _ => { res(hash.digest('hex')); });
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}
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});
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}
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exports.checksum = checksum;
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function getFromObject(data, name) {
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name = name.trim();
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const valid = /^[A-z]\w*(\.[A-z]\w*|\[\d+\]|\[('|")\w+\2\]|\[[A-z]\w*\])*$/.test(name);
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if (!valid)
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return '';
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name = name.replace(/('|")/g, '');
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name = name.replace(/\[(\w+)\]/g, '.$1');
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try {
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for (const i of name.split('.'))
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data = data[i];
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}
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catch (e) {
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return '';
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}
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return data;
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}
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exports.getFromObject = getFromObject;
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