refactor(runtime): compose consumers over fs and subprocess
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@@ -48,6 +48,11 @@ class FakeFs extends FileSystem {
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override async resolve(path: string): Promise<FsTarget> {
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return { targetKey: FsTargetKey(`key:${path}`), displayPath: `/abs/${path}` }
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}
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override processPath(target: FsTarget): string { return String(target.targetKey) }
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override fileUrl(target: FsTarget): string { return `file://${target.targetKey}` }
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override contains(parent: FsTarget, child: FsTarget): boolean {
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return child.targetKey === parent.targetKey || String(child.targetKey).startsWith(`${parent.targetKey}/`)
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}
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override async stat(target: FsTarget): Promise<FsInfo | undefined> {
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this.throwIfArmed()
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const content = this.files.get(target.targetKey)
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@@ -62,6 +67,11 @@ class FakeFs extends FileSystem {
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override async readText(target: FsTarget): Promise<string> {
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return this.files.get(target.targetKey) ?? ''
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}
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override async readTextBounded(target: FsTarget, maxBytes: number): Promise<string> {
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const content = await this.readText(target)
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if (Buffer.byteLength(content) > maxBytes) throw new Error('too large')
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return content
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}
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override async streamText(target: FsTarget): Promise<AsyncIterable<string>> {
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const content = this.files.get(target.targetKey) ?? ''
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return (async function* () { yield content })()
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