70 lines
1.6 KiB
JavaScript
70 lines
1.6 KiB
JavaScript
const fs = require('fs')
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const path = require('path')
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function readFile(filePath, parseJson = true) {
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try {
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const content = fs.readFileSync(filePath)
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if (!parseJson) return content
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const json = JSON.parse(content)
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const timeDiff = Math.floor(Date.now() / 1000) - json.lastChecked
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return Object.assign({}, json, { timeDiff })
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} catch (_) {
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console.error(`File ${filePath} does not exist`)
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return {
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error: 'the bridge statistics are not available'
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}
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}
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}
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function writeFile(filePath, object, paramOptions = {}) {
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const defaultOptions = {
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useCwd: true,
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stringify: true
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}
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const { useCwd, stringify } = Object.assign({}, defaultOptions, paramOptions)
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const fullPath = useCwd ? path.join(process.cwd(), filePath) : filePath
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fs.writeFileSync(fullPath, stringify ? JSON.stringify(object, null, 4) : object)
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}
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function createDir(dirPath) {
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try {
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fs.mkdirSync(path.join(process.cwd(), dirPath), { recursive: true })
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} catch (e) {
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if (!e.message.includes('exists')) {
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throw e
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}
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}
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}
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function readCacheFile(filePath) {
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try {
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return JSON.parse(fs.readFileSync(filePath))
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} catch (_) {
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return false
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}
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}
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function writeCacheFile(filePath, object) {
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fs.mkdirSync(path.dirname(filePath), { recursive: true })
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fs.writeFileSync(filePath, JSON.stringify(object))
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}
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function readAccessListFile(filePath) {
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const data = fs.readFileSync(filePath)
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return data
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.toString()
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.split('\n')
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.map(addr => addr.trim().toLowerCase())
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.filter(addr => addr.length === 42)
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}
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module.exports = {
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readFile,
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writeFile,
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createDir,
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readCacheFile,
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writeCacheFile,
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readAccessListFile
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}
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