In Magento 1.9.x. steht die Prototype-Bibliothek inkl. JSON-Validator bereit.
Testet man folgenden String auf „isJSON“, erhält man eine positive Antwort:
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| [ | |
| { | |
| "datepicker": { | |
| "min":"+7", | |
| "max":[2019, 7, 18], | |
| "disable":[1,2,[2017,7,18], [2017,8,19],[2020, 12, 5]] | |
| }, | |
| "timepicker": { | |
| "interval": 15 , | |
| "min": [9, 0], | |
| "max": [16, 0], | |
| } | |
| } | |
| ] |
by Dabei ist o.g. Beispiel kein valides JSON Format: Hinter einem letzten Element einer Liste darf kein „,“ stehen.
Um sicherer zu validieren, kann man daher folgendes Snippet nutzen:
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| Validation.add('validate-json', 'Please enter valid JSON format', function(v) { | |
| try { | |
| json = JSON.parse(v); | |
| return true | |
| } catch (exception) { | |
| return false | |
| } | |
| }); |