@nestjs/graphql/dist/scalars/timestamp.scalar.js

Nest - modern, fast, powerful node.js web framework (@graphql)

import { GraphQLScalarType, Kind } from 'graphql';
export const GraphQLTimestamp = new GraphQLScalarType({
    name: 'Timestamp',
    description: '`Date` type as integer. Type represents date and time as number of milliseconds from start of UNIX epoch.',
    serialize(value) {
        return value instanceof Date ? value.getTime() : null;
    },
    parseValue(value) {
        try {
            return value !== null ? new Date(value) : null;
        }
        catch {
            return null;
        }
    },
    parseLiteral(ast) {
        if (ast.kind === Kind.INT) {
            const num = parseInt(ast.value, 10);
            return new Date(num);
        }
        else if (ast.kind === Kind.STRING) {
            return this.parseValue(ast.value);
        }
        return null;
    },
});