@aws-amplify/graphql-schema-generator/lib/generate.js

Amplify GraphQL schema generator

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.graphqlSchemaFromSQLSchema = exports.renderSchema = void 0;
const os = __importStar(require("os"));
const graphql_transformer_core_1 = require("@aws-amplify/graphql-transformer-core");
const schema_representation_1 = require("./schema-representation");
const schema_generator_1 = require("./schema-generator");
const input_1 = require("./input");
const datasource_adapter_1 = require("./datasource-adapter");
const buildSchemaFromString = (stringSchema, engineType) => {
    let schema;
    let adapter;
    switch (engineType) {
        case graphql_transformer_core_1.ImportedRDSType.MYSQL:
            adapter = new datasource_adapter_1.MySQLStringDataSourceAdapter(stringSchema);
            schema = new schema_representation_1.Schema(new schema_representation_1.Engine('MySQL'));
            break;
        case graphql_transformer_core_1.ImportedRDSType.POSTGRESQL:
            adapter = new datasource_adapter_1.PostgresStringDataSourceAdapter(stringSchema);
            schema = new schema_representation_1.Schema(new schema_representation_1.Engine('Postgres'));
            break;
        default:
            throw new Error('Only MySQL and Postgres Data Sources are supported');
    }
    const models = adapter.getModels();
    models.forEach((m) => schema.addModel(m));
    return schema;
};
const renderSchema = (schema, databaseConfig, includeAuthRule = false, existingSchema = undefined) => {
    return (0, input_1.constructRDSGlobalAmplifyInput)(databaseConfig, existingSchema) + os.EOL + os.EOL + (0, schema_generator_1.generateGraphQLSchema)(schema, existingSchema);
};
exports.renderSchema = renderSchema;
const graphqlSchemaFromSQLSchema = (sqlSchema, engineType) => {
    const schema = buildSchemaFromString(sqlSchema, engineType);
    const databaseConfig = {
        engine: engineType,
    };
    const includeAuthRule = false;
    return (0, exports.renderSchema)(schema, databaseConfig, includeAuthRule);
};
exports.graphqlSchemaFromSQLSchema = graphqlSchemaFromSQLSchema;
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