graphile-build-pg/node8plus/plugins/PgConnectionArgOrderByDefaultValue.js

Build a GraphQL schema by reflection over a PostgreSQL schema. Easy to customize since it's built with plugins on graphile-build

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var PgConnectionArgOrderByDefaultValue = function PgConnectionArgOrderByDefaultValue(builder) {
  builder.hook("GraphQLObjectType:fields:field:args", (args, build, context) => {
    const {
      extend,
      getTypeByName,
      pgGetGqlTypeByTypeIdAndModifier,
      inflection
    } = build;
    const {
      scope: {
        fieldName,
        isPgFieldConnection,
        pgFieldIntrospection: table
      },
      Self
    } = context;
    if (!isPgFieldConnection || !table || table.kind !== "class" || !table.namespace || !table.isSelectable || !args.orderBy) {
      return args;
    }
    const TableType = pgGetGqlTypeByTypeIdAndModifier(table.type.id, null);
    const tableTypeName = TableType.name;
    const TableOrderByType = getTypeByName(inflection.orderByType(tableTypeName));
    if (!TableOrderByType) {
      return args;
    }
    const primaryKeyAsc = inflection.builtin("PRIMARY_KEY_ASC");
    const defaultValueEnum = TableOrderByType.getValues().find(v => v.name === primaryKeyAsc) || TableOrderByType.getValues()[0];
    return extend(args, {
      orderBy: extend(args.orderBy, {
        defaultValue: defaultValueEnum && [defaultValueEnum.value]
      }, `Adding defaultValue to orderBy for field '${fieldName}' of '${Self.name}'`)
    });
  }, ["PgConnectionArgOrderByDefaultValue"]);
};
exports.default = PgConnectionArgOrderByDefaultValue;
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