ts-json-schema-generator
Version:
Generate JSON schema from your Typescript sources
52 lines • 2.79 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.IndexedAccessTypeNodeParser = void 0;
const typescript_1 = __importDefault(require("typescript"));
const LogicError_1 = require("../Error/LogicError");
const LiteralType_1 = require("../Type/LiteralType");
const NumberType_1 = require("../Type/NumberType");
const StringType_1 = require("../Type/StringType");
const TupleType_1 = require("../Type/TupleType");
const UnionType_1 = require("../Type/UnionType");
const derefType_1 = require("../Utils/derefType");
const typeKeys_1 = require("../Utils/typeKeys");
class IndexedAccessTypeNodeParser {
constructor(childNodeParser) {
this.childNodeParser = childNodeParser;
}
supportsNode(node) {
return node.kind === typescript_1.default.SyntaxKind.IndexedAccessType;
}
createType(node, context) {
const objectType = (0, derefType_1.derefType)(this.childNodeParser.createType(node.objectType, context));
const indexType = (0, derefType_1.derefType)(this.childNodeParser.createType(node.indexType, context));
if (objectType === undefined || indexType === undefined) {
return undefined;
}
const indexTypes = indexType instanceof UnionType_1.UnionType ? indexType.getTypes() : [indexType];
const propertyTypes = indexTypes.map((type) => {
if (!(type instanceof LiteralType_1.LiteralType || type instanceof StringType_1.StringType || type instanceof NumberType_1.NumberType)) {
throw new LogicError_1.LogicError(`Unexpected type "${type.getId()}" (expected "LiteralType" or "StringType" or "NumberType")`);
}
const propertyType = (0, typeKeys_1.getTypeByKey)(objectType, type);
if (!propertyType) {
if (type instanceof NumberType_1.NumberType && objectType instanceof TupleType_1.TupleType) {
return new UnionType_1.UnionType(objectType.getTypes());
}
else if (type instanceof LiteralType_1.LiteralType) {
throw new LogicError_1.LogicError(`Invalid index "${type.getValue()}" in type "${objectType.getId()}"`);
}
else {
throw new LogicError_1.LogicError(`No additional properties in type "${objectType.getId()}"`);
}
}
return propertyType;
});
return propertyTypes.length === 1 ? propertyTypes[0] : new UnionType_1.UnionType(propertyTypes);
}
}
exports.IndexedAccessTypeNodeParser = IndexedAccessTypeNodeParser;
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