82 lines
2.1 KiB
TypeScript
82 lines
2.1 KiB
TypeScript
import { isDesktop } from 'lib/isDesktop'
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/// FileSystemManager is a class that provides a way to read files from the local file system.
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/// It assumes that you are in a project since it is solely used by the std lib
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/// when executing code.
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class FileSystemManager {
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private _dir: string | null = null
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get dir() {
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return this._dir ?? ''
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}
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set dir(dir: string) {
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this._dir = dir
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}
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async join(dir: string, path: string): Promise<string> {
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return Promise.resolve(window.electron.path.join(dir, path))
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}
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async readFile(path: string): Promise<Uint8Array> {
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// Using local file system only works from desktop.
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if (!isDesktop()) {
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return Promise.reject(
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new Error(
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'This function can only be called from the desktop application'
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)
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)
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}
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return this.join(this.dir, path).then((filePath) => {
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return window.electron.readFile(filePath)
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})
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}
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async exists(path: string): Promise<boolean | void> {
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// Using local file system only works from desktop.
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if (!isDesktop()) {
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return Promise.reject(
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new Error(
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'This function can only be called from the desktop application'
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)
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)
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}
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return this.join(this.dir, path).then(async (file) => {
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try {
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await window.electron.stat(file)
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} catch (e) {
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if (e === 'ENOENT') {
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return false
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}
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}
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return true
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})
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}
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async getAllFiles(path: string): Promise<string[] | void> {
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// Using local file system only works from desktop.
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if (!isDesktop()) {
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return Promise.reject(
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new Error(
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'This function can only be called from the desktop application'
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)
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)
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}
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return this.join(this.dir, path).then((filepath) => {
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return window.electron
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.readdir(filepath)
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.catch((error: Error) => {
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return Promise.reject(new Error(`Error reading dir: ${error}`))
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})
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.then((files: string[]) => {
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return files.map((filePath) => filePath)
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})
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})
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}
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}
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export const fileSystemManager = new FileSystemManager()
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