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Cache manifest json files (#104)

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* Add cache code

* Fix typo and add cache option to documentation

* Match logging style

* Add return

* Follow ESLint style guide

* Support older Node Versions
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TehMartinXz 2023-03-10 18:36:33 -03:00 • committed by GitHub
parent 0e4218b36a
commit 1fa4668de9
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3 changed files with 36 additions and 5 deletions
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3
README.md
View file

@ -59,10 +59,11 @@ launcher.on('data', (e) => console.log(e));
| Parameter | Type | Description | Required |
|--------------------------|----------|-------------------------------------------------------------------------------------------|----------|
| `options.clientPackage` | String | Path or URL to a zip file, which will be extracted to the root directory. (Not recommended for produnction use)| False |
| `options.clientPackage` | String | Path or URL to a zip file, which will be extracted to the root directory. (Not recommended for production use)| False |
| `options.removePackage` | Boolean | Option to remove the client package zip file after its finished extracting. | False |
| `options.installer` | String | Path to installer being executed. | False |
| `options.root` | String | Path where you want the launcher to work in. like `C:/Users/user/AppData/Roaming/.mc`, | True |
| `options.cache` | String | Path where launcher files will be cached in. like `C:/Users/user/AppData/Roaming/.mc/cache`, | False |
| `options.os` | String | windows, osx or linux. MCLC will auto determine the OS if this field isn't provided. | False |
| `options.customLaunchArgs`| Array | Array of custom Minecraft arguments you want to add. | False |
| `options.customArgs` | Array | Array of custom Java arguments you want to add. | False |

34
components/handler.js
View file

@ -112,18 +112,44 @@ class Handler {
}
const manifest = `${this.options.overrides.url.meta}/mc/game/version_manifest.json`
const cache = this.options.cache ? `${this.options.cache}/json` : `${this.options.root}/cache/json`
request.get(manifest, (error, response, body) => {
if (error) return resolve(error)
if (error && error.code !== 'ENOTFOUND') return resolve(error)
if (!error) {
if (!fs.existsSync(cache)) {
fs.mkdirSync(cache, { recursive: true })
this.client.emit('debug', '[MCLC]: Cache directory created.')
}
fs.writeFile(path.join(`${cache}/version_manifest.json`), body, (err) => {
if (err) return resolve(err)
this.client.emit('debug', '[MCLC]: Cached version_manifest.json')
})
}
const parsed = JSON.parse(body)
let parsed
if (error && (error.code === 'ENOTFOUND')) {
parsed = JSON.parse(fs.readFileSync(`${cache}/version_manifest.json`))
} else {
parsed = JSON.parse(body)
}
for (const desiredVersion in parsed.versions) {
if (parsed.versions[desiredVersion].id === this.options.version.number) {
request.get(parsed.versions[desiredVersion].url, (error, response, body) => {
if (error) return resolve(error)
if (error && error.code !== 'ENOTFOUND') return resolve(error)
if (!error) {
fs.writeFile(path.join(`${cache}/${this.options.version.number}.json`), body, (err) => {
if (err) return resolve(err)
this.client.emit('debug', `[MCLC]: Cached ${this.options.version.number}.json`)
})
}
this.client.emit('debug', '[MCLC]: Parsed version from version manifest')
this.version = JSON.parse(body)
if (error && (error.code === 'ENOTFOUND')) {
this.version = JSON.parse(fs.readFileSync(`${cache}/${this.options.version.number}.json`))
} else {
this.version = JSON.parse(body)
}
return resolve(this.version)
})
}

4
index.d.ts vendored
View file

@ -152,6 +152,10 @@ declare module "minecraft-launcher-core" {
};
overrides?: IOverrides;
authorization: Promise<IUser>;
/**
* Path of json cache.
*/
cache?: string;
}