graphql-binding
Version:
[](https://circleci.com/gh/graphql-binding/graphql-binding) [](https://badge.fury.io/js/graphql-binding)
169 lines • 8.88 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
var iterall_1 = require("iterall");
var info_1 = require("./info");
var graphql_1 = require("graphql");
var graphql_tools_1 = require("graphql-tools");
var graphql_import_1 = require("graphql-import");
var fs = __importStar(require("fs"));
var path = __importStar(require("path"));
var Delegate = /** @class */ (function () {
function Delegate(_a) {
var schema = _a.schema, fragmentReplacements = _a.fragmentReplacements, before = _a.before, disableCache = _a.disableCache;
this.fragmentReplacements = fragmentReplacements || [];
this.schema = schema;
this.disableCache = disableCache || false;
this.before = before || (function () { return undefined; });
}
Delegate.prototype.request = function (query, variables) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
this.before();
return [2 /*return*/, graphql_1.graphql(this.schema, query, null, null, variables).then(function (r) { return r; })];
});
});
};
Delegate.prototype.delegate = function (operation, fieldName, args, infoOrQuery, options) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
this.before();
return [2 /*return*/, this.delegateToSchema(operation, fieldName, args, infoOrQuery, options).result];
});
});
};
Delegate.prototype.delegateSubscription = function (fieldName, args, infoOrQuery, options) {
return __awaiter(this, void 0, void 0, function () {
var _a, result, info, iterator;
var _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
this.before();
_a = this.delegateToSchema('subscription', fieldName, args, infoOrQuery, options), result = _a.result, info = _a.info;
return [4 /*yield*/, result];
case 1:
iterator = _c.sent();
return [2 /*return*/, (_b = {
next: function () {
return __awaiter(this, void 0, void 0, function () {
var value, data;
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, iterator.next()];
case 1:
value = (_b.sent()).value;
data = (_a = {}, _a[info.fieldName] = value[fieldName], _a);
return [2 /*return*/, { value: data, done: false }];
}
});
});
},
return: function () {
iterator.return();
return Promise.resolve({ value: undefined, done: true });
},
throw: function (error) {
return Promise.reject(error);
}
},
_b[iterall_1.$$asyncIterator] = function () {
return this;
},
_b)];
}
});
});
};
Delegate.prototype.getAbstractResolvers = function (filterSchema) {
var typeMap = this.schema.getTypeMap();
if (filterSchema && typeof filterSchema === 'string') {
if (filterSchema.endsWith('graphql')) {
var schemaPath = path.resolve(filterSchema);
if (!fs.existsSync(schemaPath)) {
throw new Error("No schema found for path: " + schemaPath);
}
filterSchema = graphql_import_1.importSchema(schemaPath);
}
filterSchema = graphql_1.buildSchema(filterSchema);
}
var filterTypeMap = filterSchema instanceof graphql_1.GraphQLSchema
? filterSchema.getTypeMap()
: typeMap;
var filterType = function (typeName) { return typeName in filterTypeMap; };
var resolvers = {};
Object.keys(typeMap)
.filter(filterType)
.forEach(function (typeName) {
var type = typeMap[typeName];
if (type instanceof graphql_1.GraphQLUnionType ||
type instanceof graphql_1.GraphQLInterfaceType) {
resolvers[typeName] = {
__resolveType: type.resolveType,
};
}
});
return resolvers;
};
Delegate.prototype.delegateToSchema = function (operation, fieldName, args, infoOrQuery, options) {
var info = info_1.buildInfo(fieldName, operation, this.schema, infoOrQuery);
var transforms = options && options.transforms ? options.transforms : [];
var result = graphql_tools_1.delegateToSchema({
schema: this.schema,
operation: operation,
fieldName: fieldName,
args: args || {},
context: options && options.context ? options.context : {},
info: info,
transforms: transforms.concat([
new graphql_tools_1.ReplaceFieldWithFragment(this.schema, this.fragmentReplacements),
]),
});
return { info: info, result: result };
};
return Delegate;
}());
exports.Delegate = Delegate;
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