feat(parser): add support of dynamic variables (#7)

closes #6

src/helpers/directories.ts

@@ -0,0 +1,62 @@
+export default [
+  '/Applications',
+  '/bin',
+  '/boot',
+  '/boot/defaults',
+  '/dev',
+  '/etc',
+  '/etc/defaults',
+  '/etc/mail',
+  '/etc/namedb',
+  '/etc/periodic',
+  '/etc/ppp',
+  '/home',
+  '/home/user',
+  '/home/user/dir',
+  '/lib',
+  '/Library',
+  '/lost+found',
+  '/media',
+  '/mnt',
+  '/net',
+  '/Network',
+  '/opt',
+  '/opt/bin',
+  '/opt/include',
+  '/opt/lib',
+  '/opt/sbin',
+  '/opt/share',
+  '/private',
+  '/private/tmp',
+  '/private/var',
+  '/proc',
+  '/rescue',
+  '/root',
+  '/sbin',
+  '/selinux',
+  '/srv',
+  '/sys',
+  '/System',
+  '/tmp',
+  '/Users',
+  '/usr',
+  '/usr/X11R6',
+  '/usr/bin',
+  '/usr/include',
+  '/usr/lib',
+  '/usr/libdata',
+  '/usr/libexec',
+  '/usr/local/bin',
+  '/usr/local/src',
+  '/usr/obj',
+  '/usr/ports',
+  '/usr/sbin',
+  '/usr/share',
+  '/usr/src',
+  '/var',
+  '/var/log',
+  '/var/mail',
+  '/var/spool',
+  '/var/tmp',
+  '/var/yp'
+];

src/helpers/index.ts

@@ -0,0 +1,2 @@
+export { default as directories } from './directories';
+export { default as locales } from './locales';

src/helpers/locales.ts

@@ -0,0 +1,130 @@
+export default [
+  'af',
+  'am',
+  'an',
+  'ar',
+  'ast',
+  'az',
+  'be',
+  'bg',
+  'bh',
+  'bn',
+  'br',
+  'bs',
+  'ca',
+  'ceb',
+  'ckb',
+  'co',
+  'cs',
+  'cy',
+  'da',
+  'de',
+  'el',
+  'en',
+  'eo',
+  'es',
+  'et',
+  'eu',
+  'fa',
+  'fi',
+  'fil',
+  'fo',
+  'fr',
+  'fy',
+  'ga',
+  'gd',
+  'gl',
+  'gn',
+  'gu',
+  'ha',
+  'haw',
+  'he',
+  'hi',
+  'hmn',
+  'hr',
+  'ht',
+  'hu',
+  'hy',
+  'ia',
+  'id',
+  'ig',
+  'is',
+  'it',
+  'ja',
+  'jv',
+  'ka',
+  'kk',
+  'km',
+  'kn',
+  'ko',
+  'ku',
+  'ky',
+  'la',
+  'lb',
+  'ln',
+  'lo',
+  'lt',
+  'lv',
+  'mg',
+  'mi',
+  'mk',
+  'ml',
+  'mn',
+  'mo',
+  'mr',
+  'ms',
+  'mt',
+  'my',
+  'nb',
+  'ne',
+  'nl',
+  'nn',
+  'no',
+  'ny',
+  'oc',
+  'om',
+  'or',
+  'pa',
+  'pl',
+  'ps',
+  'pt',
+  'qu',
+  'rm',
+  'ro',
+  'ru',
+  'sd',
+  'sh',
+  'si',
+  'sk',
+  'sl',
+  'sm',
+  'sn',
+  'so',
+  'sq',
+  'sr',
+  'st',
+  'su',
+  'sv',
+  'sw',
+  'ta',
+  'te',
+  'tg',
+  'th',
+  'ti',
+  'tk',
+  'to',
+  'tr',
+  'tt',
+  'tw',
+  'ug',
+  'uk',
+  'ur',
+  'uz',
+  'vi',
+  'wa',
+  'xh',
+  'yi',
+  'yo',
+  'zh',
+  'zu'
+];

src/index.ts

@@ -1,6 +1,6 @@
 import { DefaultValidator } from './validator';
 import { DefaultConverter } from './converter';
-import { DefaultVariableParserFactory } from './parser';
+import { DefaultGenerators, DefaultVariableParserFactory } from './parser';
 import Har from 'har-format';
 import { ok } from 'assert';
 
@@ -13,7 +13,10 @@ export const postman2har = async (
   ok(collection, `Please provide a valid Postman Collection.`);
 
   const validator: DefaultValidator = new DefaultValidator();
-  const parserFactory: DefaultVariableParserFactory = new DefaultVariableParserFactory();
+  const generators: DefaultGenerators = new DefaultGenerators();
+  const parserFactory: DefaultVariableParserFactory = new DefaultVariableParserFactory(
+    generators
+  );
   const converter: DefaultConverter = new DefaultConverter(
     validator,
     parserFactory,

src/parser/BaseVariableParser.ts

@@ -1,29 +1,36 @@
 import { VariableParser } from './VariableParser';
-import faker from 'faker';
+import { Generators } from './Generators';
 
 export abstract class BaseVariableParser implements VariableParser {
-  protected constructor(private readonly variables: Postman.Variable[]) {}
+  protected constructor(
+    private readonly variables: Postman.Variable[],
+    private readonly generators: Generators
+  ) {}
 
   public abstract parse(value: string): string;
 
-  public find(key: string): Postman.Variable | undefined {
-    return this.variables.find((x: Postman.Variable) => x.key === key);
+  public find(key: string): Postman.Variable | (() => any) | undefined {
+    const variable: Postman.Variable | undefined = this.variables.find(
+      (x: Postman.Variable) => x.key === key
+    );
+
+    if (!variable && key.startsWith('$')) {
+      return this.generators[key.replace(/^\$/, '')];
+    }
+
+    return variable;
   }
 
   protected sample(variable?: Postman.Variable): string {
     switch (variable?.type?.toLowerCase()) {
       case 'string':
       case 'text':
-        return faker.random.word();
+        return this.generators.randomWord();
       case 'number':
-        return String(faker.random.number({ min: 1, max: 99 }));
+        return String(this.generators.randomInt());
       case 'any':
       default:
-        return faker.random.arrayElement([
-          faker.random.alphaNumeric(10),
-          String(faker.random.number({ min: 1, max: 99 })),
-          faker.random.uuid()
-        ]);
+        return this.generators.randomAlphaNumeric();
     }
   }
 }