32 lines
1.2 KiB
TypeScript
32 lines
1.2 KiB
TypeScript
import { expect, test } from "bun:test"
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import { readdirSync, readFileSync, statSync } from "node:fs"
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import { join } from "node:path"
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// The engine is the reusable, content-agnostic layer: it must import nothing from
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// game (content) or app (browser glue). game -> engine and app -> game -> engine are
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// fine; the reverse is the violation. This freezes the Stage-3 seam so a stray import
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// can't quietly re-couple the layers.
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function tsFiles(dir: string): string[] {
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const out: string[] = []
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for (const name of readdirSync(dir)) {
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const p = join(dir, name)
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if (statSync(p).isDirectory()) {
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out.push(...tsFiles(p))
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} else if (p.endsWith(".ts")) {
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out.push(p)
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}
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}
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return out
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}
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test("engine imports nothing from game or app", () => {
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const engineDir = new URL("../engine", import.meta.url).pathname
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const offenders = tsFiles(engineDir).filter((f) => /from\s+["'][^"']*\/(?:game|app)\//.test(readFileSync(f, "utf8")))
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expect(offenders).toEqual([])
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})
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test("game imports nothing from app", () => {
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const gameDir = new URL("../game", import.meta.url).pathname
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const offenders = tsFiles(gameDir).filter((f) => /from\s+["'][^"']*\/app\//.test(readFileSync(f, "utf8")))
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expect(offenders).toEqual([])
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})
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