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Use Predicate and FileSystem in final Effect cleanup

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elpresidank 2026-06-04 08:33:31 -05:00
parent c40bd406f8
commit 976e7ecfc5
6 changed files with 164 additions and 32 deletions
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45
ts/packages/flow/src/runtime/effect-files.ts
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@ -1,3 +1,10 @@
import * as BunFileSystem from "@effect/platform-bun/BunFileSystem";
import { Effect, ManagedRuntime } from "effect";
import * as FileSystem from "effect/FileSystem";
import type { PlatformError } from "effect/PlatformError";
const fileSystemRuntime = ManagedRuntime.make(BunFileSystem.layer);
export function joinPath(...segments: string[]): string {
const joined = segments
.filter((segment) => segment.length > 0)
@ -15,26 +22,52 @@ export function dirnamePath(path: string): string {
return normalized.slice(0, index);
}
export const ensureDirectoryEffect = (path: string): Effect.Effect<void, PlatformError, FileSystem.FileSystem> =>
Effect.flatMap(FileSystem.FileSystem, (fs) =>
fs.makeDirectory(path, { recursive: true })
);
export function ensureDirectory(path: string): Promise<void> {
return Bun.$`mkdir -p ${path}`.quiet().then(() => undefined);
return fileSystemRuntime.runPromise(ensureDirectoryEffect(path));
}
export const readTextFileEffect = (path: string): Effect.Effect<string, PlatformError, FileSystem.FileSystem> =>
Effect.flatMap(FileSystem.FileSystem, (fs) => fs.readFileString(path));
export function readTextFile(path: string): Promise<string> {
return Bun.file(path).text();
return fileSystemRuntime.runPromise(readTextFileEffect(path));
}
export const readBinaryFileEffect = (path: string): Effect.Effect<Uint8Array, PlatformError, FileSystem.FileSystem> =>
Effect.flatMap(FileSystem.FileSystem, (fs) => fs.readFile(path));
export function readBinaryFile(path: string): Promise<Uint8Array> {
return Bun.file(path).arrayBuffer().then((buffer) => new Uint8Array(buffer));
return fileSystemRuntime.runPromise(readBinaryFileEffect(path));
}
export const writeTextFileEffect = (
path: string,
data: string,
): Effect.Effect<void, PlatformError, FileSystem.FileSystem> =>
Effect.flatMap(FileSystem.FileSystem, (fs) => fs.writeFileString(path, data));
export function writeTextFile(path: string, data: string): Promise<void> {
return Bun.write(path, data).then(() => undefined);
return fileSystemRuntime.runPromise(writeTextFileEffect(path, data));
}
export const writeBinaryFileEffect = (
path: string,
data: Uint8Array,
): Effect.Effect<void, PlatformError, FileSystem.FileSystem> =>
Effect.flatMap(FileSystem.FileSystem, (fs) => fs.writeFile(path, data));
export function writeBinaryFile(path: string, data: Uint8Array): Promise<void> {
return Bun.write(path, data).then(() => undefined);
return fileSystemRuntime.runPromise(writeBinaryFileEffect(path, data));
}
export const removePathEffect = (path: string): Effect.Effect<void, PlatformError, FileSystem.FileSystem> =>
Effect.flatMap(FileSystem.FileSystem, (fs) => fs.remove(path));
export function removePath(path: string): Promise<void> {
return Bun.file(path).delete();
return fileSystemRuntime.runPromise(removePathEffect(path));
}