136 lines
3.1 KiB
JavaScript
136 lines
3.1 KiB
JavaScript
import { IRuntime, ITestBase } from './types.ts';
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import { getTermios } from './termios.ts';
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import { noop } from './fns.ts';
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import { SCROLL_ERR_FILE, SCROLL_LOG_FILE } from './config.ts';
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export type { IFFI, IFileIO, IRuntime, ITerminal } from './types.ts';
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/**
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* Which Typescript runtime is currently being used
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*/
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export enum RunTimeType {
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Bun = 'bun',
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Deno = 'deno',
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Unknown = 'common',
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}
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let scrollRuntime: IRuntime | null = null;
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// ----------------------------------------------------------------------------
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// Misc runtime functions
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// ----------------------------------------------------------------------------
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/**
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* Append information to the scroll.log logfile
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*/
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export function logToFile(s: unknown): void {
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getRuntime().then(({ file }) => {
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const raw = typeof s === 'string' ? s : JSON.stringify(s, null, 2);
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const output = raw + '\n';
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file.appendFile(SCROLL_LOG_FILE, output).then(noop);
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});
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}
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/**
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* Append information to the scroll.err logfile
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*/
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export function logError(s: unknown): void {
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getRuntime().then(({ file }) => {
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const raw = typeof s === 'string' ? s : JSON.stringify(s, null, 2);
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const output = raw + '\n';
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file.appendFile(SCROLL_ERR_FILE, output).then(noop);
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});
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}
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/**
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* Kill program, displaying an error message
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* @param s
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*/
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export function die(s: string | Error): void {
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logError(s);
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getTermios().then((t) => {
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t.disableRawMode();
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t.cleanup();
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console.error(s);
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getRuntime().then((r) => r.exit());
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});
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}
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/**
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* Determine which Typescript runtime we are operating under
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*/
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export function runtimeType(): RunTimeType {
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let runtime = RunTimeType.Unknown;
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if ('Deno' in globalThis) {
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runtime = RunTimeType.Deno;
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}
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if ('Bun' in globalThis) {
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runtime = RunTimeType.Bun;
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}
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return runtime;
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}
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/**
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* Get the adapter object for the current Runtime
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*/
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export async function getRuntime(): Promise<IRuntime> {
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if (scrollRuntime === null) {
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const runtime = runtimeType();
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const path = `../${runtime}/mod.ts`;
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const pkg = await import(path);
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if ('default' in pkg) {
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scrollRuntime = pkg.default;
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}
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}
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return Promise.resolve(scrollRuntime!);
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}
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/**
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* Get the common test interface object
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*/
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export async function getTestRunner(): Promise<ITestBase> {
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const runtime = runtimeType();
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const path = `../${runtime}/test_base.ts`;
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const pkg = await import(path);
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if ('default' in pkg) {
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return pkg.default;
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}
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return pkg;
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}
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/**
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* Import a runtime-specific module
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*
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* e.g. to load "src/bun/mod.ts", if the runtime is bun,
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* you can use like so `await importForRuntime('index')`;
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*
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* @param path - the path within the runtime module
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*/
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export const importForRuntime = async (path: string) => {
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const runtime = runtimeType();
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const suffix = '.ts';
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const base = `../${runtime}/`;
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const pathParts = path
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.split('/')
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.filter((part) => part !== '' && part !== '.' && part !== suffix)
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.map((part) => part.replace(suffix, ''));
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const cleanedPath = pathParts.join('/');
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const importPath = base + cleanedPath + suffix;
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const pkg = await import(importPath);
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if ('default' in pkg) {
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return pkg.default;
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}
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return pkg;
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};
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