Converting string to object with Javascript (Error: Unexpected token t in JSON at position 1)

Question

I'm using Editor.js which outputs data as JSON and save that as String in DynamoDB. When I query that data, I want to convert that back to an Object.

Converting the string with JSON.parse() gives me Error: Unexpected token t in JSON at position 1 message.

var json = '{time=1558311121067, blocks=[{type=paragraph, data={text=writing something first}}], version=2.13.0}';
obj = JSON.parse(json);

Not sure what this error message means.

That isn't JSON. It has no quotation marks and is using = to assign values, instead of :. In the future, consider some of the many JSON validators/linters out there to verify your JSON whenever you see error messages like this. — Tyler Roper
– Tyler Roper, Commented May 20, 2019 at 1:37
@TylerRoper Thank you for the answer. Unfortunately, that how Editorjs outputs the data. Does it mean that I have to modify the format of the data to be able to convert that string to object? — Skate to Eat
– Skate to Eat, Commented May 20, 2019 at 1:40
You can either format the output to be valid JSON, or write a custom parser for the format that it's currently outputting. That said, I'd do some research to make sure that Editor.js can't output valid JSON. — Tyler Roper
– Tyler Roper, Commented May 20, 2019 at 1:43
@TylerRoper yeah, based on the editorjs website, it looks like they should be providing valid JSON. My guess would be possibly improper use of the API — Chris Deacy
– Chris Deacy, Commented May 20, 2019 at 1:44
@TylerRoper Got ya! Thank you for the help. Just noticed that Editor.js actually outputs valid JSON format. When it's being saved in DynamoDB via Appsync GraphQL it converts to that weird format lol — Skate to Eat
– Skate to Eat, Commented May 20, 2019 at 1:47

Code Maniac · Accepted Answer · 2019-05-20 01:57:55Z

3

I will suggest to correct the JSON from the origin itself if you can,

if you can't than you need to replace = with : and than stringify and parse

({[^=]+|,[^=]+)=
   |       |_________ Replaces `=` which is preceded by `,`
   |_________________ Replaces `=` which is preceded by `{`

let json = '{time=1558311121067, blocks=[{type=paragraph, data={text=writing something first}}], version=2.13.0}';
json = json.replace(/({[^=]+|,[^=]+)=/g,"$1"+':')
let obj = JSON.parse(JSON.stringify(json));

console.log(obj)

On side note:- This is code is considering above given example data, it can be updated based on the kind of values your JSON can have

answered May 20, 2019 at 1:57

Code Maniac

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