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"use strict";
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.create = void 0;
const Vinyl = require("vinyl");
const through = require("through");
const builder = require("./builder");
const ts = require("typescript");
const stream_1 = require("stream");
const path_1 = require("path");
const utils_1 = require("./utils");
const fs_1 = require("fs");
class EmptyDuplex extends stream_1.Duplex {
_write(_chunk, _encoding, callback) { callback(); }
_read() { this.push(null); }
}
function createNullCompiler() {
const result = function () { return new EmptyDuplex(); };
result.src = () => new EmptyDuplex();
return result;
}
const _defaultOnError = (err) => console.log(JSON.stringify(err, null, 4));
function create(projectPath, existingOptions, verbose = false, onError = _defaultOnError) {
function printDiagnostic(diag) {
if (!diag.file || !diag.start) {
onError(ts.flattenDiagnosticMessageText(diag.messageText, '\n'));
}
else {
const lineAndCh = diag.file.getLineAndCharacterOfPosition(diag.start);
onError(utils_1.strings.format('{0}({1},{2}): {3}', diag.file.fileName, lineAndCh.line + 1, lineAndCh.character + 1, ts.flattenDiagnosticMessageText(diag.messageText, '\n')));
}
}
const parsed = ts.readConfigFile(projectPath, ts.sys.readFile);
if (parsed.error) {
printDiagnostic(parsed.error);
return createNullCompiler();
}
const cmdLine = ts.parseJsonConfigFileContent(parsed.config, ts.sys, (0, path_1.dirname)(projectPath), existingOptions);
if (cmdLine.errors.length > 0) {
cmdLine.errors.forEach(printDiagnostic);
return createNullCompiler();
}
const _builder = builder.createTypeScriptBuilder({ verbose }, projectPath, cmdLine);
function createStream(token) {
return through(function (file) {
// give the file to the compiler
if (file.isStream()) {
this.emit('error', 'no support for streams');
return;
}
_builder.file(file);
}, function () {
// start the compilation process
_builder.build(file => this.queue(file), printDiagnostic, token).catch(e => console.error(e)).then(() => this.queue(null));
});
}
const result = (token) => createStream(token);
result.src = (opts) => {
let _pos = 0;
let _fileNames = cmdLine.fileNames.slice(0);
return new class extends stream_1.Readable {
constructor() {
super({ objectMode: true });
}
_read() {
let more = true;
let path;
for (; more && _pos < _fileNames.length; _pos++) {
path = _fileNames[_pos];
more = this.push(new Vinyl({
path,
contents: (0, fs_1.readFileSync)(path),
stat: (0, fs_1.statSync)(path),
cwd: opts && opts.cwd,
base: opts && opts.base || (0, path_1.dirname)(projectPath)
}));
}
if (_pos >= _fileNames.length) {
this.push(null);
}
}
};
};
return result;
}
exports.create = create;
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