[(develop)] fixed parseString when it trimming zero in the beggining (#…

…1549)

* [(develop)] fixed parseString when it trimming zero in the beggining of value

* [(develop)] added one more test

* [(develop)] fixed leading zero removing

* [(develop)] fixed lint error

---------

Co-authored-by: Viacheslav Lopatynskyi <viacheslav.lopatynskyi@systematic.com>

src/js/util.js

@@ -1131,6 +1131,10 @@ export function parseString (str) {
     return false
   }
 
+  if (/^0\d+$/.test(str)) { // to treat '001' as a string
+    return str
+  }
+
   const num = Number(str) // will nicely fail with '123ab'
   const numFloat = parseFloat(str) // will nicely fail with '  '
   if (!isNaN(num) && !isNaN(numFloat)) {

test/util.test.js

@@ -314,6 +314,10 @@ describe('util', () => {
     assert.strictEqual(parseString('true'), true)
     assert.strictEqual(parseString('false'), false)
     assert.strictEqual(parseString('+1'), 1)
+    assert.strictEqual(parseString('01'), '01')
+    assert.strictEqual(parseString('001'), '001')
+    assert.strictEqual(parseString('0.3'), 0.3)
+    assert.strictEqual(parseString('0e3'), 0)
     assert.strictEqual(parseString(' '), ' ')
     assert.strictEqual(parseString(''), '')
     assert.strictEqual(parseString('"foo"'), '"foo"')