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Sort overlay file systems based on prefix length

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This commit is contained in:
Misode
2024-11-06 06:53:05 +01:00
parent c726689459
commit 26079d1188
2 changed files with 14 additions and 9 deletions
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17
src/app/services/FileSystem.ts
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@@ -46,19 +46,22 @@ export class MixedFileSystem implements core.ExternalFileSystem {
constructor(
public readonly base: core.ExternalFileSystem,
public readonly overlays: Map<string, core.ExternalFileSystem> = new Map(),
) {}
public readonly overlays: { prefix: string, fs: core.ExternalFileSystem }[] = [],
) {
this.overlays.sort((a, b) => b.prefix.length - a.prefix.length)
}
async setOverlay(prefix: string, fileSystem: core.ExternalFileSystem) {
this.overlays.set(prefix, fileSystem)
async setOverlay(prefix: string, fs: core.ExternalFileSystem) {
this.overlays.push({ prefix, fs })
this.overlays.sort((a, b) => b.prefix.length - a.prefix.length)
if (this.watcher) {
await this.watcher.withOverlay(prefix, fileSystem)
await this.watcher.withOverlay(prefix, fs)
}
return this
}
getFileSystem(location: core.FsLocation) {
for (const [prefix, fs] of this.overlays.entries()) {
for (const { prefix, fs } of this.overlays) {
if (location.toString().startsWith(prefix)) {
return fs
}
@@ -105,7 +108,7 @@ class MixedWatcher extends BrowserEventEmitter implements core.FsWatcher {
super()
Promise.all([
this.initWatcher(fs.base, locations, options),
...[...fs.overlays.values()].map(overlay => this.initWatcher(overlay, locations, options)),
...fs.overlays.map(overlay => this.initWatcher(overlay.fs, locations, options)),
]).then(() => {
this.emit('ready')
})