@nestia/core/lib/transformers/ParameterDecoratorTransformer.js

Super-fast validation decorators of NestJS

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ParameterDecoratorTransformer = void 0;
const path_1 = __importDefault(require("path"));
const typescript_1 = __importDefault(require("typescript"));
const PlainBodyProgrammer_1 = require("../programmers/PlainBodyProgrammer");
const TypedBodyProgrammer_1 = require("../programmers/TypedBodyProgrammer");
const TypedFormDataBodyProgrammer_1 = require("../programmers/TypedFormDataBodyProgrammer");
const TypedHeadersProgrammer_1 = require("../programmers/TypedHeadersProgrammer");
const TypedParamProgrammer_1 = require("../programmers/TypedParamProgrammer");
const TypedQueryBodyProgrammer_1 = require("../programmers/TypedQueryBodyProgrammer");
const TypedQueryProgrammer_1 = require("../programmers/TypedQueryProgrammer");
var ParameterDecoratorTransformer;
(function (ParameterDecoratorTransformer) {
    ParameterDecoratorTransformer.transform = (props) => {
        var _a;
        //----
        // VALIDATIONS
        //----
        // CHECK DECORATOR
        if (!typescript_1.default.isCallExpression(props.decorator.expression))
            return props.decorator;
        // SIGNATURE DECLARATION
        const declaration = (_a = props.context.checker.getResolvedSignature(props.decorator.expression)) === null || _a === void 0 ? void 0 : _a.declaration;
        if (declaration === undefined)
            return props.decorator;
        // FILE PATH
        const file = path_1.default.resolve(declaration.getSourceFile().fileName);
        if (file.indexOf(LIB_PATH) === -1 && file.indexOf(MONO_PATH) === -1)
            return props.decorator;
        //----
        // TRANSFORMATION
        //----
        // FIND PROGRAMMER
        const programmer = FUNCTORS[getName(props.context.checker.getTypeAtLocation(declaration).symbol)];
        if (programmer === undefined)
            return props.decorator;
        // GET TYPE INFO
        const typeNode = props.context.checker.typeToTypeNode(props.type, undefined, undefined);
        if (typeNode === undefined)
            return props.decorator;
        // DO TRANSFORM
        return typescript_1.default.factory.createDecorator(typescript_1.default.factory.updateCallExpression(props.decorator.expression, props.decorator.expression.expression, props.decorator.expression.typeArguments, programmer({
            context: props.context,
            modulo: props.decorator.expression.expression,
            arguments: props.decorator.expression.arguments,
            type: props.type,
        })));
    };
})(ParameterDecoratorTransformer || (exports.ParameterDecoratorTransformer = ParameterDecoratorTransformer = {}));
const FUNCTORS = {
    EncryptedBody: (props) => props.arguments.length
        ? props.arguments
        : [TypedBodyProgrammer_1.TypedBodyProgrammer.generate(props)],
    TypedBody: (props) => props.arguments.length
        ? props.arguments
        : [TypedBodyProgrammer_1.TypedBodyProgrammer.generate(props)],
    TypedHeaders: (props) => props.arguments.length
        ? props.arguments
        : [TypedHeadersProgrammer_1.TypedHeadersProgrammer.generate(props)],
    TypedParam: (props) => props.arguments.length !== 1
        ? props.arguments
        : TypedParamProgrammer_1.TypedParamProgrammer.generate(props),
    TypedQuery: (props) => props.arguments.length
        ? props.arguments
        : [TypedQueryProgrammer_1.TypedQueryProgrammer.generate(props)],
    "TypedQuery.Body": (props) => props.arguments.length
        ? props.arguments
        : [TypedQueryBodyProgrammer_1.TypedQueryBodyProgrammer.generate(props)],
    "TypedFormData.Body": (props) => props.arguments.length === 0
        ? [
            typescript_1.default.factory.createIdentifier("undefined"),
            TypedFormDataBodyProgrammer_1.TypedFormDataBodyProgrammer.generate(props),
        ]
        : props.arguments.length === 1
            ? [props.arguments[0], TypedFormDataBodyProgrammer_1.TypedFormDataBodyProgrammer.generate(props)]
            : props.arguments,
    PlainBody: (props) => props.arguments.length
        ? props.arguments
        : [PlainBodyProgrammer_1.PlainBodyProgrammer.generate(props)],
    "WebSocketRoute.Header": (props) => props.arguments.length
        ? props.arguments
        : [TypedBodyProgrammer_1.TypedBodyProgrammer.generate(props)],
    "WebSocketRoute.Param": (props) => props.arguments.length !== 1
        ? props.arguments
        : TypedParamProgrammer_1.TypedParamProgrammer.generate(props),
    "WebSocketRoute.Query": (props) => props.arguments.length
        ? props.arguments
        : [TypedQueryProgrammer_1.TypedQueryProgrammer.generate(props)],
};
const LIB_PATH = path_1.default.join("@nestia", "core", "lib", "decorators");
const MONO_PATH = path_1.default.join("packages", "core", "lib", "decorators");
const getName = (symbol) => {
    var _a, _b;
    const parent = (_b = (_a = symbol.getDeclarations()) === null || _a === void 0 ? void 0 : _a[0]) === null || _b === void 0 ? void 0 : _b.parent;
    return parent ? exploreName(parent)(symbol.escapedName.toString()) : "__type";
};
const exploreName = (decl) => (name) => typescript_1.default.isModuleBlock(decl)
    ? exploreName(decl.parent.parent)(`${decl.parent.name.getFullText().trim()}.${name}`)
    : name;
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