@cran/gql.core/mjs/utilities/parse.js

Cran/GraphQL Core Utilities

import { Kind } from "graphql/language/kinds";
import { isNode } from "graphql/language/ast";
import { print } from "graphql/language/printer";
export function parseError(type, ast, reason = "input syntax") {
    throw new TypeError(`invalid ${reason} for type ${type}: ${isNode(ast) ? print(ast) : ast}`);
}
export function parseObject(type, ast, variables) {
    const value = Object.create(null);
    for (const field of ast.fields) {
        value[field.name.value] = parseLiteral(type, field.value, variables);
    }
    return value;
}
export function parseLiteral(type, ast, variables) {
    switch (ast.kind) {
        case Kind.STRING:
        case Kind.BOOLEAN:
        case Kind.INT:
        case Kind.FLOAT:
            return ast.value;
        case Kind.OBJECT:
            return parseObject(type, ast, variables);
        case Kind.LIST:
            return ast.values.map(function mapValue(value) {
                return parseLiteral(type, value, variables);
            });
        case Kind.NULL:
            return null;
        case Kind.VARIABLE:
            return variables?.[ast.name.value];
        default:
            parseError(type, ast);
    }
}