I'm facing an issue where I need to convert a GraphQL query into a JSON object. Essentially, I have a query structured like the example below, and I'm seeking a method to obtain a JSON representation of this query. Despite my efforts in searching for a solution, I haven't been successful thus far.
Any assistance would be greatly appreciated.
query {
Patient(id:4){
id
birthDate {
year,
day
}
name {
text
}
}
}
Every GraphQL document, whether it is a query or schema, can be transformed into an Abstract Syntax Tree (AST) object. This method is considered the standard approach to represent a GraphQL document as an object. By utilizing the core library, you can easily parse a document string into an object:
const { parse } = require('graphql')
const astObject = parse(`
query {
# ...
}
`)
The AST object can also be converted back into a string:
const { print } = require('graphql')
const stringRepresentation = print(astObject)
If you're looking to convert JSON data online, check out this convenient converter:
When using token addresses, remember to add a backslash before double quotes (as tested in postman). Here's an example of a graphql query:
{
pairs(where: {token0: "0x1381f369d9d5df87a1a04ed856c9dbc90f5db2fa", token1: "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2"}) {
token0 {
name
symbol
}
token0Price
token1 {
name
symbol
}
token1Price
}
}
After converting the above query to JSON using the provided link, here is the result:
{
"query": "{ pairs(where: {token0: "0x1381f369d9d5df87a1a04ed856c9dbc90f5db2fa", token1: "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2"}) { token0 { name symbol } token0Price token1 { name symbol } token1Price }}"
}
Remember to include backslashes before double quotes near token addresses for accuracy. Your final converted JSON should look like this:
{
"query": "{ pairs(where: {token0: \"0x1381f369d9d5df87a1a04ed856c9dbc90f5db2fa\", token1: \"0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2\"}) { token0 { name symbol } token0Price token1 { name symbol } token1Price }}"
}
GraphQL lacks a JSON standard for queries.
If you wish to represent a GraphQL query in JSON format, you have the option to create your own structure and develop custom serializers. However, this approach will not receive support from any official GraphQL service.
UPDATE: I recently came across an NPM package that caters to this need. Although it is non-standard, if you find yourself in need of such functionality, you can utilize the following package: https://www.npmjs.com/package/json-to-graphql-query
As explained in the resource, to send a graphQL query as a POST request with JSON data, it is necessary to eliminate any line breaks from the query and then structure it within a JSON object like so:
{
"query": "[insert graphQL query here]",
"variables": {}
}
In your specific scenario, the formatted JSON would be:
{
"query": "query { Patient(id:4){ id birthDate { year, day } name { text } } }",
"variables": {}
}
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