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Make Spyglass a singleton object

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This commit is contained in:
Misode
2024-10-20 20:23:17 +02:00
parent d248732469
commit 9cb7f7297c
5 changed files with 40 additions and 52 deletions
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src/app/services/Spyglass.ts
+21 -27
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@@ -16,50 +16,38 @@ import { fetchBlockStates, fetchRegistries, fetchVanillaMcdoc, getVersionChecksu
import type { VersionId } from './Versions.js'
export class Spyglass {
private static readonly INSTANCES = new Map<VersionId, Promise<Spyglass>>()
private readonly instances = new Map<VersionId, Promise<core.Service>>()
private readonly watchers = new Map<string, ((docAndNode: core.DocAndNode) => void)[]>()
private constructor(
private readonly service: core.Service,
private readonly version: ConfigVersion,
) {
this.service.project.on('documentUpdated', (e) => {
const uriWatchers = this.watchers.get(e.doc.uri) ?? []
for (const handler of uriWatchers) {
handler(e)
}
})
}
public async setFileContents(uri: string, contents?: string) {
public async setFileContents(versionId: VersionId, uri: string, contents?: string) {
const service = await this.getService(versionId)
if (contents !== undefined) {
await this.service.project.externals.fs.writeFile(uri, contents)
await service.project.externals.fs.writeFile(uri, contents)
} else {
try {
const buffer = await this.service.project.externals.fs.readFile(uri)
const buffer = await service.project.externals.fs.readFile(uri)
contents = new TextDecoder().decode(buffer)
} catch (e) {
contents = '{}'
}
}
await this.service.project.onDidOpen(uri, 'json', 1, contents)
const docAndNode = await this.service.project.ensureClientManagedChecked(uri)
await service.project.onDidOpen(uri, 'json', 1, contents)
const docAndNode = await service.project.ensureClientManagedChecked(uri)
if (!docAndNode) {
throw new Error('[Spyglass setFileContents] Cannot get doc and node')
}
return docAndNode
}
public getFile(uri: string): Partial<core.DocAndNode> {
return this.service.project.getClientManaged(uri) ?? {}
public getFileContents(_uri: string): string | undefined {
return undefined // TODO
}
public getUnsavedFileUri(gen: ConfigGenerator) {
public getUnsavedFileUri(versionId: VersionId, gen: ConfigGenerator) {
if (gen.id === 'pack_mcmeta') {
return 'file:///project/pack.mcmeta'
}
return `file:///project/data/draft/${genPath(gen, this.version.id)}/unsaved.json`
return `file:///project/data/draft/${genPath(gen, versionId)}/unsaved.json`
}
public watchFile(uri: string, handler: (docAndNode: core.DocAndNode) => void) {
@@ -73,8 +61,8 @@ export class Spyglass {
uriWatchers.splice(index, 1)
}
public static async initialize(versionId: VersionId) {
const instance = this.INSTANCES.get(versionId)
private async getService(versionId: VersionId) {
const instance = this.instances.get(versionId)
if (instance) {
return instance
}
@@ -107,9 +95,15 @@ export class Spyglass {
})
await service.project.ready()
await service.project.cacheService.save()
return new Spyglass(service, version)
service.project.on('documentUpdated', (e) => {
const uriWatchers = this.watchers.get(e.doc.uri) ?? []
for (const handler of uriWatchers) {
handler(e)
}
})
return service
})()
this.INSTANCES.set(versionId, promise)
this.instances.set(versionId, promise)
return promise
}
}