environment.ts script

scripts/set-env.ts

@@ -0,0 +1,102 @@
+import { writeFile } from 'fs';
+import { environment as commonEnv } from '../src/environments/environment.common';
+import { GlobalConfig } from '../src/config/global-config.interface';
+import { ServerConfig } from '../src/config/server-config.interface';
+import { hasValue } from '../src/app/shared/empty.util';
+
+// Configure Angular `environment.ts` file path
+const targetPath = './src/environments/environment.ts';
+// Load node modules
+const colors = require('colors');
+require('dotenv').config();
+const merge = require('deepmerge');
+
+const environment = process.argv[2];
+let environmentFilePath;
+switch (environment) {
+  case '--prod':
+  case '--production':
+    environmentFilePath = '../src/environments/environment.prod.ts';
+    break;
+  case '--test':
+    environmentFilePath = '../src/environments/environment.test.ts';
+    break;
+  default:
+    environmentFilePath = '../src/environments/environment.dev.ts';
+}
+
+const processEnv = {
+  ui: createServerConfig(
+    process.env.DSPACE_HOST,
+    process.env.DSPACE_PORT,
+    process.env.DSPACE_NAMESPACE,
+    process.env.DSPACE_SSL),
+  rest: createServerConfig(
+    process.env.DSPACE_REST_HOST,
+    process.env.DSPACE_REST_PORT,
+    process.env.DSPACE_REST_NAMESPACE,
+    process.env.DSPACE_REST_SSL)
+} as GlobalConfig;
+
+import(environmentFilePath)
+  .then((file) => generateEnvironmentFile(merge.all(commonEnv, file.environment, processEnv)))
+  .catch(() => generateEnvironmentFile(merge(commonEnv, processEnv)));
+
+function generateEnvironmentFile(file: GlobalConfig): void {
+  buildBaseUrls(file);
+  const contents = `export const environment = ` + JSON.stringify(file);
+  console.log(colors.magenta('The file `environment.ts` will be written with the following content: \n'));
+  console.log(colors.grey(contents));
+  writeFile(targetPath, contents, (err) => {
+    if (err) {
+      throw console.error(err);
+    } else {
+      console.log(colors.magenta(`Angular environment.ts file generated correctly at ${targetPath} \n`));
+    }
+  });
+  console.log(file);
+}
+
+// allow to override a few important options by environment variables
+function createServerConfig(host?: string,  port?: string, nameSpace?: string, ssl?: string): ServerConfig {
+  const result = { host, nameSpace } as any;
+
+  if (hasValue(port)) {
+    result.port = Number(port);
+  }
+
+  if (hasValue(ssl)) {
+    result.ssl = ssl.trim().match(/^(true|1|yes)$/i) ? true : false;
+  }
+
+  return result;
+}
+
+function buildBaseUrls(config: GlobalConfig): void {
+  for (const key in config) {
+    if (config.hasOwnProperty(key) && config[key].host) {
+      config[key].baseUrl = [
+        getProtocol(config[key].ssl),
+        getHost(config[key].host),
+        getPort(config[key].port),
+        getNameSpace(config[key].nameSpace)
+      ].join('');
+    }
+  }
+}
+
+function getProtocol(ssl: boolean): string {
+  return ssl ? 'https://' : 'http://';
+}
+
+function getHost(host: string): string {
+  return host;
+}
+
+function getPort(port: number): string {
+  return port ? (port !== 80 && port !== 443) ? ':' + port : '' : '';
+}
+
+function getNameSpace(nameSpace: string): string {
+  return nameSpace ? nameSpace.charAt(0) === '/' ? nameSpace : '/' + nameSpace : '';
+}