@kentico/kontent-schema-generator-graphql
Version:
GraphQL schema generator used to generate schema based on specified project.
122 lines • 6.59 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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var graphql_schema_model_1 = require("./graphql-schema-model");
var SchemaGenerator = /** @class */ (function () {
function SchemaGenerator(deliveryClient) {
this.encapsulateToModule = false;
if (!deliveryClient) {
throw Error('Provide DeliveryClient');
}
this.deliveryClient = deliveryClient;
}
SchemaGenerator.prototype.getSchema = function () {
return __awaiter(this, void 0, void 0, function () {
var schemaModel, fieldSchemas, contentTypes, contentTypesSchemas, result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
schemaModel = new graphql_schema_model_1.GraphQLSchemaModel();
fieldSchemas = schemaModel.getFieldDefinitions();
return [4 /*yield*/, this.loadContentTypes()];
case 1:
contentTypes = _a.sent();
contentTypesSchemas = this.transformToSchemas(contentTypes);
result = fieldSchemas.concat(contentTypesSchemas).join('\n');
if (this.encapsulateToModule) {
result = this.wrapByModule(result);
}
return [2 /*return*/, result];
}
});
});
};
SchemaGenerator.prototype.createModule = function (value) {
this.encapsulateToModule = value;
return this;
};
SchemaGenerator.prototype.wrapByModule = function (input) {
return "const TYPE_DEFINITION = `" + input + "`;\n\nmodule.exports = {\n TYPE_DEFINITION\n}";
};
SchemaGenerator.prototype.transformToSchemas = function (contentTypes) {
var _this = this;
return contentTypes.map(function (contentType) {
var elements = contentType.elements.map(function (contentElement) {
if (!graphql_schema_model_1.GraphQLSchemaModel.elementTypeMapping.get(contentElement.type)) {
throw Error("Unknown content type element " + contentElement.type);
}
var fieldType = graphql_schema_model_1.GraphQLSchemaModel.elementTypeMapping.get(contentElement.type);
return contentElement.codename + ": " + fieldType;
});
var typename = _this.snakeToPascal(contentType.system.codename) + 'ContentType';
return "\ntype " + typename + " implements " + graphql_schema_model_1.GraphQLSchemaModel.contentItemInterfaceName + " {\n system: " + graphql_schema_model_1.GraphQLSchemaModel.systemTypeName + "!\n " + elements.join('\n' + ' ') + "\n}";
});
};
SchemaGenerator.prototype.loadContentTypes = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.deliveryClient
.types()
.toPromise()
.then(function (_a) {
var types = _a.types;
return types;
})
.catch(function (error) {
console.error('Loading failed with error:');
console.error(error);
throw Error(error);
})];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
SchemaGenerator.prototype.snakeToPascal = function (input) {
var _this = this;
return input.split('_')
.map(function (str) { return _this.upperFirst(str); })
.join('');
};
SchemaGenerator.prototype.upperFirst = function (input) {
return input.slice(0, 1).toUpperCase() + input.slice(1, input.length);
};
return SchemaGenerator;
}());
exports.SchemaGenerator = SchemaGenerator;
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