sofa-api/esm/parse.js

Create REST APIs with GraphQL

import { isScalarType, isEqualType, GraphQLBoolean, isInputObjectType, Kind, } from 'graphql';
import { isNil } from './common.js';
export function parseVariable({ value, variable, schema, }) {
    if (isNil(value)) {
        return;
    }
    return resolveVariable({
        value,
        type: variable.type,
        schema,
    });
}
function resolveVariable({ value, type, schema, }) {
    if (type.kind === Kind.NAMED_TYPE) {
        const namedType = schema.getType(type.name.value);
        if (isScalarType(namedType)) {
            // GraphQLBoolean.serialize expects a boolean or a number only
            if (isEqualType(GraphQLBoolean, namedType)) {
                value = value === 'true' || value === true;
            }
            return namedType.serialize(value);
        }
        if (isInputObjectType(namedType)) {
            return value && typeof value === 'object' ? value : JSON.parse(value);
        }
        return value;
    }
    if (type.kind === Kind.LIST_TYPE) {
        return (Array.isArray(value) ? value : [value]).map((val) => resolveVariable({
            value: val,
            type: type.type,
            schema,
        }));
    }
    if (type.kind === Kind.NON_NULL_TYPE) {
        return resolveVariable({
            value: value,
            type: type.type,
            schema,
        });
    }
}