feat(helpers): allow empty string in fake (#1679)

1 files changed, 2 insertions, 10 deletions

diff --git a/src/modules/helpers/index.ts b/src/modules/helpers/index.ts
index cb4f7680..2ccc311e 100644
--- a/src/modules/helpers/index.ts
+++ b/src/modules/helpers/index.ts
@@ -526,7 +526,7 @@ export class HelpersModule {
    *
    * It is also NOT possible to use any non-faker methods or plain javascript in such patterns.
    *
-   * @param pattern The pattern string that will get interpolated. Must not be empty.
+   * @param pattern The pattern string that will get interpolated.
    *
    * @see faker.helpers.mustache() to use custom functions for resolution.
    *
@@ -621,7 +621,7 @@ export class HelpersModule {
    *
    * It is also NOT possible to use any non-faker methods or plain javascript in such patterns.
    *
-   * @param pattern The pattern string that will get interpolated. Must not be empty. If an array is passed, a random element will be picked and interpolated.
+   * @param pattern The pattern string that will get interpolated. If an array is passed, a random element will be picked and interpolated.
    *
    * @see faker.helpers.mustache() to use custom functions for resolution.
    *
@@ -645,10 +645,6 @@ export class HelpersModule {
         throw new FakerError('Array of pattern strings cannot be empty.');
       }
     }
-    // if incoming str parameter is not provided, return error message
-    if (pattern.length === 0) {
-      throw new FakerError('Pattern string cannot be empty.');
-    }
 
     // find first matching {{ and }}
     const start = pattern.search(/{{[a-z]/);
@@ -721,10 +717,6 @@ export class HelpersModule {
     const res =
       pattern.substring(0, start) + result + pattern.substring(end + 2);
 
-    if (res === '') {
-      return '';
-    }
-
     // return the response recursively until we are done finding all tags
     return this.fake(res);
   }