typescript-to-lua
Version:
A generic TypeScript to Lua transpiler. Write your code in TypeScript and publish Lua!
151 lines • 6.9 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.getProgramTranspileResult = getProgramTranspileResult;
const path = __importStar(require("path"));
const ts = __importStar(require("typescript"));
const CompilerOptions_1 = require("../CompilerOptions");
const LuaPrinter_1 = require("../LuaPrinter");
const transformation_1 = require("../transformation");
const utils_1 = require("../utils");
const transformers_1 = require("./transformers");
const performance = __importStar(require("../measure-performance"));
function getProgramTranspileResult(emitHost, writeFileResult, { program, sourceFiles: targetSourceFiles, customTransformers = {}, plugins = [] }) {
var _a, _b;
performance.startSection("beforeTransform");
const options = program.getCompilerOptions();
if (options.tstlVerbose) {
console.log("Parsing project settings");
}
const diagnostics = (0, CompilerOptions_1.validateOptions)(options);
let transpiledFiles = [];
if (options.noEmitOnError) {
const preEmitDiagnostics = [
...diagnostics,
...program.getOptionsDiagnostics(),
...program.getGlobalDiagnostics(),
];
if (targetSourceFiles) {
for (const sourceFile of targetSourceFiles) {
preEmitDiagnostics.push(...program.getSyntacticDiagnostics(sourceFile));
preEmitDiagnostics.push(...program.getSemanticDiagnostics(sourceFile));
}
}
else {
preEmitDiagnostics.push(...program.getSyntacticDiagnostics());
preEmitDiagnostics.push(...program.getSemanticDiagnostics());
}
if (preEmitDiagnostics.length === 0 && (options.declaration || options.composite)) {
preEmitDiagnostics.push(...program.getDeclarationDiagnostics());
}
if (preEmitDiagnostics.length > 0) {
performance.endSection("beforeTransform");
return { diagnostics: preEmitDiagnostics, transpiledFiles };
}
}
for (const plugin of plugins) {
if (plugin.beforeTransform) {
const pluginDiagnostics = (_a = plugin.beforeTransform(program, options, emitHost)) !== null && _a !== void 0 ? _a : [];
diagnostics.push(...pluginDiagnostics);
}
}
const visitorMap = (0, transformation_1.createVisitorMap)(plugins.map(p => p.visitors).filter(utils_1.isNonNull));
const printer = (0, LuaPrinter_1.createPrinter)(plugins.map(p => p.printer).filter(utils_1.isNonNull));
const processSourceFile = (sourceFile) => {
if (options.tstlVerbose) {
console.log(`Transforming ${sourceFile.fileName}`);
}
performance.startSection("transpile");
const { file, diagnostics: transformDiagnostics } = (0, transformation_1.transformSourceFile)(program, sourceFile, visitorMap);
diagnostics.push(...transformDiagnostics);
performance.endSection("transpile");
if (!options.noEmit && !options.emitDeclarationOnly) {
performance.startSection("print");
if (options.tstlVerbose) {
console.log(`Printing ${sourceFile.fileName}`);
}
const printResult = printer(program, emitHost, sourceFile.fileName, file);
transpiledFiles.push({
sourceFiles: [sourceFile],
fileName: path.normalize(sourceFile.fileName),
luaAst: file,
...printResult,
});
performance.endSection("print");
}
};
const transformers = (0, transformers_1.getTransformers)(program, diagnostics, customTransformers, processSourceFile);
const isEmittableJsonFile = (sourceFile) => sourceFile.flags & ts.NodeFlags.JsonFile &&
!options.emitDeclarationOnly &&
!program.isSourceFileFromExternalLibrary(sourceFile);
// We always have to run transformers to get diagnostics
const oldNoEmit = options.noEmit;
options.noEmit = false;
const writeFile = (fileName, ...rest) => {
if (!fileName.endsWith(".js") && !fileName.endsWith(".js.map") && !fileName.endsWith(".json")) {
writeFileResult(fileName, ...rest);
}
};
performance.endSection("beforeTransform");
if (targetSourceFiles) {
for (const file of targetSourceFiles) {
if (isEmittableJsonFile(file)) {
processSourceFile(file);
}
else {
diagnostics.push(...program.emit(file, writeFile, undefined, false, transformers).diagnostics);
}
}
}
else {
diagnostics.push(...program.emit(undefined, writeFile, undefined, false, transformers).diagnostics);
// JSON files don't get through transformers and aren't written when outDir is the same as rootDir
program.getSourceFiles().filter(isEmittableJsonFile).forEach(processSourceFile);
}
performance.startSection("afterPrint");
options.noEmit = oldNoEmit;
if (options.noEmit || (options.noEmitOnError && diagnostics.length > 0)) {
transpiledFiles = [];
}
for (const plugin of plugins) {
if (plugin.afterPrint) {
const pluginDiagnostics = (_b = plugin.afterPrint(program, options, emitHost, transpiledFiles)) !== null && _b !== void 0 ? _b : [];
diagnostics.push(...pluginDiagnostics);
}
}
performance.endSection("afterPrint");
return { diagnostics, transpiledFiles };
}
//# sourceMappingURL=transpile.js.map