import type { TreeNode, WorkspaceFile } from './ide-types.js';
export declare function isSourceFile(path: string): boolean;
export declare function isTextFile(path: string): boolean;
export declare function resolveWsPath(cwd: string, relOrAbs: string): string;
export declare function fileName(path: string): string;
export declare function inferLanguage(path: string): string;
export declare function buildFileTree(paths: string[]): TreeNode[];
/**
 * Returns true if any text source file in the workspace includes SDL3 headers.
 * Used to select the SDL3 compile path over the standard WASI path.
 */
export declare function detectsSDL(files: Record<string, WorkspaceFile>): boolean;
/**
 * Returns emcc args that use emscripten's built-in SDL3 port (-sUSE_SDL=3).
 *
 * Output is main.wasm (standalone/WASI mode). The linker's JS-generation step
 * (compiler.mjs) is not available in the Emception browser environment, so we
 * cannot use -o main.js. Instead, the WASI imports required by the standalone
 * binary are satisfied by makeWasiStubs() at runtime in Ide.tsx.
 */
export declare function buildSDL3ArgsPort(targetFsPath: string): string[];
/**
 * Build a wasi_snapshot_preview1 shim suitable for SDL3 canvas apps.
 *
 * Standalone WASM compiled with emcc -o main.wasm imports WASI symbols.
 * SDL3 canvas apps don't use the filesystem or args at runtime; they only need
 * basic clock/stdio stubs so the startup sequence doesn't abort.
 *
 * The `getMemory` callback lets the stubs lazily resolve the WASM linear memory
 * (available only after WebAssembly.instantiate returns).
 */
export declare function makeWasiStubs(getMemory: () => WebAssembly.Memory | null, writeLine: (s: string) => void): Record<string, CallableFunction>;
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