chore: revert the tilde resolution as it was removed by mistake

Author: DimitarTachev

tsconfig-upgrader.js

@@ -5,6 +5,7 @@ var __migrations = [
 	inlineSourceMapMigration,
 	addDomLibs,
 	addIterableToAngularProjects,
+	addTnsCoreModulesPathMappings,
 ];
 
 function migrateProject(tsConfig, tsconfigPath, projectDir) {
@@ -80,6 +81,19 @@ function addTsLib(existingConfig, libName) {
 	}
 }
 
+function addTnsCoreModulesPathMappings(existingConfig, displayableTsconfigPath, projectDir) {
+	console.log("Adding tns-core-modules path mappings lib to tsconfig.json...");
+	existingConfig["compilerOptions"] = existingConfig["compilerOptions"] || {};
+	var compilerOptions = existingConfig["compilerOptions"];
+	compilerOptions["baseUrl"] = ".";
+	compilerOptions["paths"] = compilerOptions["paths"] || {};
+
+	const appPath = getAppPath(projectDir);
+	compilerOptions["paths"]["~/*"] = compilerOptions["paths"]["~/*"] || [
+		`${appPath}/*`
+	];
+}
+
 function getAppPath(projectDir) {
 	const DEFAULT_PATH = "app";
 	const nsConfigPath = path.join(projectDir, "nsconfig.json");