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Superfast runtime validators with only one line

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"use strict"; var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod }; }; Object.defineProperty(exports, "__esModule", { value: true }); exports.HttpParameterProgrammer = void 0; const typescript_1 = __importDefault(require("typescript")); const IdentifierFactory_1 = require("../../factories/IdentifierFactory"); const MetadataCollection_1 = require("../../factories/MetadataCollection"); const MetadataFactory_1 = require("../../factories/MetadataFactory"); const StatementFactory_1 = require("../../factories/StatementFactory"); const TypeFactory_1 = require("../../factories/TypeFactory"); const TransformerError_1 = require("../../transformers/TransformerError"); const StringUtil_1 = require("../../utils/StringUtil"); const AssertProgrammer_1 = require("../AssertProgrammer"); const HttpMetadataUtil_1 = require("../helpers/HttpMetadataUtil"); var HttpParameterProgrammer; (function (HttpParameterProgrammer) { HttpParameterProgrammer.write = (props) => { var _a; const result = MetadataFactory_1.MetadataFactory.analyze({ checker: props.context.checker, transformer: props.context.transformer, options: { escape: false, constant: true, absorb: true, validate: HttpParameterProgrammer.validate, }, collection: new MetadataCollection_1.MetadataCollection(), type: props.type, }); if (result.success === false) throw TransformerError_1.TransformerError.from({ code: props.modulo.getText(), errors: result.errors, }); const atomic = [...HttpMetadataUtil_1.HttpMetadataUtil.atomics(result.data)][0]; const block = [ StatementFactory_1.StatementFactory.constant({ name: "assert", value: AssertProgrammer_1.AssertProgrammer.write(Object.assign(Object.assign({}, props), { context: Object.assign(Object.assign({}, props.context), { options: { numeric: true, } }), config: { equals: false, guard: false, } })), }), StatementFactory_1.StatementFactory.constant({ name: "value", value: typescript_1.default.factory.createCallExpression(props.context.importer.internal(`httpParameterRead${StringUtil_1.StringUtil.capitalize(atomic)}`), undefined, [typescript_1.default.factory.createIdentifier("input")]), }), typescript_1.default.factory.createReturnStatement(typescript_1.default.factory.createCallExpression(typescript_1.default.factory.createIdentifier("assert"), undefined, [typescript_1.default.factory.createIdentifier("value")])), ]; return typescript_1.default.factory.createArrowFunction(undefined, undefined, [ IdentifierFactory_1.IdentifierFactory.parameter("input", typescript_1.default.factory.createTypeReferenceNode("string")), ], typescript_1.default.factory.createTypeReferenceNode((_a = props.name) !== null && _a !== void 0 ? _a : TypeFactory_1.TypeFactory.getFullName({ checker: props.context.checker, type: props.type, })), undefined, typescript_1.default.factory.createBlock(block, true)); }; HttpParameterProgrammer.validate = (meta) => { const errors = []; const insert = (msg) => errors.push(msg); if (meta.any) insert("do not allow any type"); if (meta.isRequired() === false) insert("do not allow undefindable type"); const atomics = HttpMetadataUtil_1.HttpMetadataUtil.atomics(meta); const expected = meta.atomics.length + meta.templates.length + meta.constants.map((c) => c.values.length).reduce((a, b) => a + b, 0); if (meta.size() !== expected || atomics.size === 0) insert("only atomic or constant types are allowed"); if (atomics.size > 1) insert("do not allow union type"); return errors; }; })(HttpParameterProgrammer || (exports.HttpParameterProgrammer = HttpParameterProgrammer = {})); //# sourceMappingURL=HttpParameterProgrammer.js.map