chore: cleanup

packages/webpack5/src/helpers/platform.ts

@@ -0,0 +1,97 @@
+import { dirname, resolve } from 'path';
+
+import { getPackageJson, getProjectRootPath } from './project';
+import { error } from './log';
+import { env } from '../';
+
+import AndroidPlatform from '../platforms/android';
+import iOSPlatform from '../platforms/ios';
+
+export interface INativeScriptPlatform {
+	getEntryPath?(): string;
+
+	getDistPath?(): string;
+}
+
+export type Platform = Extract<keyof typeof platforms, string>;
+
+const platforms: {
+	[name: string]: INativeScriptPlatform;
+} = {
+	android: AndroidPlatform,
+	ios: iOSPlatform,
+};
+
+export function addPlatform(name: string, platform: INativeScriptPlatform) {
+	console.log('adding platform', name, platform);
+	platforms[name] = platform;
+}
+
+export function getPlatform(): INativeScriptPlatform {
+	return platforms[getPlatformName()];
+}
+
+export function getPlatformName(): Platform {
+	if (env?.android) {
+		return 'android';
+	}
+
+	if (env?.ios) {
+		return 'ios';
+	}
+
+	// support custom platforms
+	if (env?.platform) {
+		if (platforms[env.platform]) {
+			return env.platform;
+		}
+
+		throw error(`
+			Invalid platform: ${env.platform}
+
+			Valid platforms: ${Object.keys(platforms).join(', ')}
+		`);
+	}
+
+	throw error(`
+		You need to provide a target platform!
+
+		Available platforms: ${Object.keys(platforms).join(', ')}
+
+		Use --env=platform=<platform> or --env=android, --env=ios to specify the target platform.
+	`);
+}
+
+export function getEntryPath() {
+	const platform = getPlatform();
+
+	// use platform specific entry path
+	if (platform.getEntryPath) {
+		return platform.getEntryPath();
+	}
+
+	// fallback to main field in package.json
+	const packageJson = getPackageJson();
+
+	return resolve(getProjectRootPath(), packageJson.main);
+}
+
+export function getEntryDirPath() {
+	return dirname(getEntryPath());
+}
+
+export function getDistPath() {
+	const platform = getPlatform();
+
+	// use platform specific entry path
+	if (platform.getDistPath) {
+		return platform.getDistPath();
+	}
+
+	// fallback to a generic platforms/<platform>/dist folder
+	return `platforms/${getPlatformName()}/dist`;
+}
+
+export function getAbsoluteDistPath() {
+	return resolve(getProjectRootPath(), getDistPath());
+}