Files
NativeScript/build/tsc-dev.ts
2016-05-30 16:10:57 +03:00

151 lines
4.8 KiB
TypeScript

import * as ts from "typescript";
declare var process, require;
var fs = require("fs");
var path = require("path");
var arg1 = process.argv.length > 2 ? process.argv[2] : "";
var isTranspile = arg1.indexOf("t") >= 0;
var isIncremental = arg1.indexOf("i") >= 0;
var isWatching = arg1.indexOf("w") >= 0;
var opts = [];
if (isTranspile) {
opts.push("transpile");
}
if (isIncremental) {
opts.push("incremental");
}
if (isWatching) {
opts.push("watch");
}
if (opts.length > 0) {
console.log("Options: " + opts.join(", "));
}
function isTS(file: string): boolean {
return file.lastIndexOf(".ts") === file.length - 3;
}
function isDTS(file: string): boolean {
return file.lastIndexOf(".d.ts") === file.length - 5;
}
function getJsPath(tsPath: string): string {
return path.join(path.dirname(tsPath), path.basename(tsPath, ".ts")) + ".js";
}
function hasChanged(tsName: string): boolean {
try {
var jsName = getJsPath(tsName);
var tsTime = fs.statSync(tsName).mtime.getTime();
var jsTime = fs.statSync(jsName).mtime.getTime();
return jsTime < tsTime;
} catch(e) {
return true;
}
}
function transpile(fileNames: string[], options: ts.CompilerOptions) {
console.time("transpile");
var files = fileNames.filter(f => !isDTS(f));
if (isIncremental) {
files = files.filter(hasChanged);
}
files.forEach(tsPath => {
var tsSource = fs.readFileSync(tsPath, { encoding: "utf8" });
var jsSource = ts.transpile(tsSource, options);
var jsPath = getJsPath(tsPath);
fs.writeFileSync(jsPath, jsSource, { flag: "w" }, function(err) { console.log(err); });
if (isIncremental) {
console.log(" - " + tsPath);
}
});
console.timeEnd("transpile");
if (isWatching) {
console.log("Watching for changes...");
fs.watch(".", { persistent: true, recursive: true, encoding: "utf8" }, (event, file) => {
try {
if (isTS(file) && !isDTS(file) && file.indexOf("platforms/android/") < 0 && file.indexOf("platforms/ios/") < 0) {
var tsPath = file;
var label = " - " + tsPath;
console.time(label);
var tsSource = fs.readFileSync(tsPath, { encoding: "utf8" });
var jsSource = ts.transpile(tsSource, options);
var jsPath = getJsPath(tsPath);
fs.writeFileSync(jsPath, jsSource, { flag: "w" }, function(err) { console.log(err); });
console.timeEnd(label);
}
} catch(e) {
// console.log(e);
}
});
}
}
function compile(fileNames: string[], options: ts.CompilerOptions) {
console.time("program");
var program = ts.createProgram(fileNames, options);
console.timeEnd("program");
var sourceFiles = program.getSourceFiles().filter(f => !isDTS(f.fileName));
var emitResults = [];
var allDiagnostics = [];
console.time("transpile");
if (isIncremental) {
sourceFiles = sourceFiles.filter(srcFile => hasChanged(srcFile.fileName));
sourceFiles.forEach(srcFile => {
console.log(" - " + srcFile.fileName);
emitResults.push(program.emit(srcFile));
});
} else {
sourceFiles.forEach(srcFile => emitResults.push(program.emit(srcFile)));
}
console.timeEnd("transpile");
console.time("diagnostics");
sourceFiles.forEach(srcFile => allDiagnostics = allDiagnostics.concat(ts.getPreEmitDiagnostics(program, srcFile)));
emitResults.forEach(er => allDiagnostics = allDiagnostics.concat(er.diagnostics));
allDiagnostics.forEach(diagnostic => {
var d = diagnostic.file.getLineAndCharacterOfPosition(diagnostic.start);
var line = d.line;
var character = d.character;
var message = ts.flattenDiagnosticMessageText(diagnostic.messageText, '\n');
var code = diagnostic.code;
console.log(diagnostic.file.fileName + "(" + (line + 1) + "," + (character + 1) + "): TS" + code + ": " + message);
});
console.timeEnd("diagnostics");
var exitCode = emitResults.some(er => er.emitSkipped) ? 1 : 0;
console.log("Process exiting with code " + exitCode + ".");
process.exit(exitCode);
}
var files = JSON.parse(fs.readFileSync("./tsconfig.json")).files;
var options: ts.CompilerOptions = {
noEmitOnError: true,
noEmitHelpers: true,
target: ts.ScriptTarget.ES5,
module: ts.ModuleKind.CommonJS,
declaration: false,
noImplicitAny: false,
noImplicitUseStrict: true,
experimentalDecorators: true
};
if (isTranspile) {
transpile(files, { module: ts.ModuleKind.CommonJS, noImplicitUseStrict: true });
} else {
compile(files, options);
}