graphile-build/node8plus/plugins/AddQueriesToSubscriptionsPlugin.js

Build a GraphQL schema from plugins

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
const AddQueriesToSubscriptionsPlugin = function (builder, {
  subscriptions,
  live
}) {
  if (!subscriptions || !live) {
    return;
  }
  builder.hook("GraphQLObjectType:fields", (fields, build, context) => {
    const {
      extend,
      getTypeByName,
      inflection
    } = build;
    const {
      scope: {
        isRootSubscription
      },
      fieldWithHooks
    } = context;
    if (!isRootSubscription) {
      return fields;
    }
    const Query = getTypeByName(inflection.builtin("Query"));
    const queryFields = Query.getFields();
    const subscriptionFields = Object.keys(queryFields).reduce((memo, queryFieldName) => {
      const queryField = queryFields[queryFieldName];
      const oldResolve = queryField.resolve;
      memo[queryFieldName] = fieldWithHooks(inflection.live(queryFieldName), {
        description: (queryField.description || "") + " (live)",
        type: queryField.type,
        args: (queryField.args || []).reduce((newArgs, arg) => {
          const {
            name,
            description,
            type,
            defaultValue
          } = arg;
          newArgs[name] = {
            description,
            type,
            defaultValue
          };
          return newArgs;
        }, {}),
        ...(oldResolve ? {
          resolve: async (...args) => {
            try {
              return await oldResolve(...args);
            } catch (e) {
              const info = args[3];
              if (info.rootValue && typeof info.rootValue.liveAbort === "function") {
                info.rootValue.liveAbort(e);
              }
              throw e;
            }
          }
        } : null),
        subscribe: build.liveCoordinator.subscribe,
        deprecationReason: queryField.isDeprecated ? queryField.deprecationReason : undefined
      }, {
        isLiveField: true,
        originalField: queryField
      });
      return memo;
    }, {});
    return extend(fields, subscriptionFields);
  }, ["AddQueriesToSubscriptions"]);
};
var _default = AddQueriesToSubscriptionsPlugin;
exports.default = _default;
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