graphql-compose-mongoose/lib/types/BSONDecimal.js

Plugin for `graphql-compose` which derive a graphql types from a mongoose model.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const mongoose_1 = __importDefault(require("mongoose"));
const graphql_1 = require("graphql-compose/lib/graphql");
const Decimal128 = mongoose_1.default.Types.Decimal128;
const GraphQLBSONDecimal = new graphql_1.GraphQLScalarType({
    name: 'BSONDecimal',
    description: 'The `Decimal` scalar type uses the IEEE 754 decimal128 ' +
        'decimal-based floating-point numbering format. ' +
        'Supports 34 decimal digits of precision, a max value of ' +
        'approximately 10^6145, and min value of approximately -10^6145',
    serialize: String,
    parseValue(value) {
        if (typeof value === 'string') {
            return Decimal128.fromString(value);
        }
        if (typeof value === 'number') {
            return Decimal128.fromString(value.toString());
        }
        if (value instanceof Decimal128) {
            return value;
        }
        throw new TypeError('Field error: value is an invalid Decimal');
    },
    parseLiteral(ast) {
        if (ast.kind === graphql_1.Kind.STRING || ast.kind === graphql_1.Kind.INT) {
            return Decimal128.fromString(ast.value);
        }
        return null;
    },
});
exports.default = GraphQLBSONDecimal;
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