feat: add createLoosePattern

README.md

@@ -191,7 +191,7 @@ The only important whitespaces are ones inside quote pairs in the loose partial
 looseStringTest(' [ "a", " b ", .... ', '["a"," b ","c "]'); // true
 ```
 
-## ParsePattern Function
+## parsePattern Function
 
 Gives you information about a pattern:
 
@@ -212,3 +212,14 @@ parsePattern('["a", "b c", "d" ...');
 //   isStartPattern: true
 // }
 ```
+
+## createLoosePattern Function
+
+Creates a loose pattern from an input string that matches that input string:
+
+```js
+const input = `[1, 2, 3,
+4, 5, 6]`;
+createLoosePattern(input); //=> '[1, 2, 3, 4, 5, 6]'
+createLoosePattern(input, 5); //=> '[1, 2 ...'
+```

build/src/index.d.ts

@@ -1,4 +1,5 @@
 export declare const REST_MARK = "...";
+export declare const DEFAULT_MAX_PATTERN_BODY_LENGTH = 20;
 /**
  * Tests if a given input string can match the simple pattern string.
  * That pattern string is a very simple expression, much simpler than a RegExp (see examples).
@@ -41,4 +42,18 @@ export declare const parsePattern: (patternStr: string) => {
     isExactPattern: boolean;
     isStartPattern: boolean;
 };
+/**
+ * creates a loose pattern from an input string
+ * @param str input string
+ * @param maxPatternBodyLength a threshold for a start-pattern creation. Limits the pattern body length. Dofaults to DEFAULT_MAX_PATTERN_BODY_LENGTH
+ * @returns loose patern that can match the input string
+ *
+ * @example
+ *
+ * const input = `[1, 2, 3
+ * 4, 5, 6]`;
+ * createLoosePattern(input, 5) //=> '[1, 2 ...'
+ *
+ */
+export declare const createLoosePattern: (str: string, maxPatternBodyLength?: number) => string;
 export default looseStringTest;