typia
Version:
Superfast runtime validators with only one line
108 lines • 4.78 kB
JavaScript
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.JsonSchemaTransformer = void 0;
const typescript_1 = __importDefault(require("typescript"));
const LiteralFactory_1 = require("../../../factories/LiteralFactory");
const MetadataCollection_1 = require("../../../factories/MetadataCollection");
const MetadataFactory_1 = require("../../../factories/MetadataFactory");
const JsonSchemaProgrammer_1 = require("../../../programmers/json/JsonSchemaProgrammer");
const JsonSchemasProgrammer_1 = require("../../../programmers/json/JsonSchemasProgrammer");
const TransformerError_1 = require("../../TransformerError");
var JsonSchemaTransformer;
(function (JsonSchemaTransformer) {
JsonSchemaTransformer.transform = (props) => {
var _a;
if (!((_a = props.expression.typeArguments) === null || _a === void 0 ? void 0 : _a.length))
throw new TransformerError_1.TransformerError({
code: "typia.json.schema",
message: "no generic argument.",
});
//----
// GET ARGUMENTS
//----
// VALIDATE TUPLE ARGUMENTS
const top = props.expression.typeArguments[0];
if (top === undefined || typescript_1.default.isTypeNode(top) === false)
return props.expression;
// GET TYPES
const type = props.context.checker.getTypeFromTypeNode(top);
if (type.isTypeParameter())
throw new TransformerError_1.TransformerError({
code: "typia.json.schema",
message: "non-specified generic argument.",
});
// ADDITIONAL PARAMETERS
const version = getParameter({
checker: props.context.checker,
name: "Version",
is: (str) => str === "3.0" || str === "3.1",
cast: (str) => str,
default: () => "3.1",
})(props.expression.typeArguments[1]);
//----
// GENERATORS
//----
// METADATA
const analyze = (validate) => {
const results = MetadataFactory_1.MetadataFactory.analyze({
checker: props.context.checker,
transformer: props.context.transformer,
options: {
absorb: validate,
constant: true,
escape: true,
validate: validate === true ? JsonSchemasProgrammer_1.JsonSchemasProgrammer.validate : undefined,
},
collection: new MetadataCollection_1.MetadataCollection({
replace: MetadataCollection_1.MetadataCollection.replace,
}),
type,
});
if (results.success === false)
throw TransformerError_1.TransformerError.from({
code: "typia.json.schema",
errors: results.errors,
});
return results.data;
};
analyze(true);
// APPLICATION
const app = JsonSchemaProgrammer_1.JsonSchemaProgrammer.write({
version,
metadata: analyze(false),
});
return typescript_1.default.factory.createAsExpression(LiteralFactory_1.LiteralFactory.write(app), props.context.importer.type({
file: "typia",
name: "IJsonSchemaUnit",
arguments: [
typescript_1.default.factory.createLiteralTypeNode(typescript_1.default.factory.createStringLiteral(version)),
],
}));
};
const getParameter = (props) => (node) => {
if (!node)
return props.default();
// CHECK LITERAL TYPE
const type = props.checker.getTypeFromTypeNode(node);
if (!type.isLiteral() &&
(type.getFlags() & typescript_1.default.TypeFlags.BooleanLiteral) === 0)
throw new TransformerError_1.TransformerError({
code: "typia.json.schema",
message: `generic argument "${props.name}" must be constant.`,
});
// GET VALUE AND VALIDATE IT
const value = type.isLiteral()
? type.value
: props.checker.typeToString(type);
if (typeof value !== "string" || props.is(value) === false)
throw new TransformerError_1.TransformerError({
code: "typia.json.schema",
message: `invalid value on generic argument "${props.name}".`,
});
return props.cast(value);
};
})(JsonSchemaTransformer || (exports.JsonSchemaTransformer = JsonSchemaTransformer = {}));
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