458136d877* vanilla server launcher * update package.json * re-add babel to fix standard * fix ci * add buffer-equal * simple fixes * add offline client support * fix closing bugs, proper wait for server start * add test to mocha * change test timeout to 2 min * increase timeouts Co-authored-by: Romain Beaumont <romain.rom1@gmail.com>
44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
const { Versions } = require('../src/options')
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const { getFiles } = require('../src/datatypes/util')
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const { join } = require('path')
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const fileMap = {}
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// Walks all the directories for each of the supported versions in options.js
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// then builds a file map for each version
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// { 'protocol.json': { '1.16.200': '1.16.200/protocol.json', '1.16.210': '1.16.210/...' } }
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function loadVersions () {
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for (const version in Versions) {
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let files = []
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try {
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files = getFiles(join(__dirname, '/', version))
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} catch {}
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for (const file of files) {
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const rfile = file.replace(join(__dirname, '/', version) + '/', '')
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fileMap[rfile] = fileMap[rfile] ?? []
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fileMap[rfile].push([Versions[version], file])
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fileMap[rfile].sort().reverse()
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}
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}
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}
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module.exports = (protocolVersion) => {
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return {
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// Returns the most recent file based on the specified protocolVersion
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// e.g. if `version` is 1.16 and a file for 1.16 doesn't exist, load from 1.15 file
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getPath (file) {
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if (!fileMap[file]) {
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throw Error('Unknown file ' + file)
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}
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for (const [pver, path] of fileMap[file]) {
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if (pver <= protocolVersion) {
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// console.debug('for', file, 'returining', path)
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return path
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}
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}
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throw Error('unknown file ' + file)
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}
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}
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}
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loadVersions()
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