typescript-to-lua
Version:
A generic TypeScript to Lua transpiler. Write your code in TypeScript and publish Lua!
80 lines • 3.77 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.transformSourceFileNode = void 0;
const ts = __importStar(require("typescript"));
const lua = __importStar(require("../../LuaAST"));
const utils_1 = require("../../utils");
const lua_ast_1 = require("../utils/lua-ast");
const preceding_statements_1 = require("../utils/preceding-statements");
const scope_1 = require("../utils/scope");
const typescript_1 = require("../utils/typescript");
const transformSourceFileNode = (node, context) => {
var _a, _b;
let statements = [];
if (node.flags & ts.NodeFlags.JsonFile) {
const [statement] = node.statements;
if (statement) {
(0, utils_1.assert)(ts.isExpressionStatement(statement));
const { precedingStatements, result: expression } = (0, preceding_statements_1.transformInPrecedingStatementScope)(context, () => context.transformExpression(statement.expression));
statements.push(...precedingStatements);
statements.push(lua.createReturnStatement([expression]));
}
else {
const errorCall = lua.createCallExpression(lua.createIdentifier("error"), [
lua.createStringLiteral("Unexpected end of JSON input"),
]);
statements.push(lua.createExpressionStatement(errorCall));
}
}
else {
context.pushScope(scope_1.ScopeType.File, node);
statements = (0, scope_1.performHoisting)(context, context.transformStatements(node.statements));
context.popScope();
if (context.isModule) {
// If export equals was not used. Create the exports table.
// local ____exports = {}
if (!(0, typescript_1.hasExportEquals)(node)) {
statements.unshift(lua.createVariableDeclarationStatement((0, lua_ast_1.createExportsIdentifier)(), lua.createTableExpression()));
}
// return ____exports
statements.push(lua.createReturnStatement([(0, lua_ast_1.createExportsIdentifier)()]));
}
}
const trivia = (_b = (_a = node.getFullText().match(/^#!.*\r?\n/)) === null || _a === void 0 ? void 0 : _a[0]) !== null && _b !== void 0 ? _b : "";
return lua.createFile(statements, context.usedLuaLibFeatures, trivia, node);
};
exports.transformSourceFileNode = transformSourceFileNode;
//# sourceMappingURL=sourceFile.js.map