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tsbuild/ts/mod_compiler/classes.tscompiler.ts

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import type { CompilerOptions, Diagnostic, Program } from 'typescript';
import typescript from 'typescript';
import * as smartdelay from '@push.rocks/smartdelay';
import * as smartpromise from '@push.rocks/smartpromise';
import * as smartpath from '@push.rocks/smartpath';
import { TsConfig } from '../mod_config/index.js';
import { FsHelpers } from '../mod_fs/index.js';
import { performUnpack } from '../mod_unpack/index.js';
/**
* Interface for error summary data
*/
export interface IErrorSummary {
errorsByFile: Record<string, Diagnostic[]>;
generalErrors: Diagnostic[];
totalErrors: number;
totalFiles: number;
}
/**
* Interface for task information
*/
export interface ITaskInfo {
taskNumber: number;
totalTasks: number;
sourcePattern: string;
destDir: string;
fileCount: number;
}
/**
* Interface for compilation result
*/
export interface ICompileResult {
emittedFiles: string[];
errorSummary: IErrorSummary;
}
/**
* TsCompiler handles TypeScript compilation with error tracking,
* configuration management, and output unpacking.
*/
export class TsCompiler {
private config: TsConfig;
private cwd: string;
private argvArg?: any;
constructor(cwd: string = process.cwd(), argvArg?: any) {
this.cwd = cwd;
this.config = new TsConfig(cwd);
this.argvArg = argvArg;
}
/**
* Get the current working directory
*/
public getCwd(): string {
return this.cwd;
}
/**
* Get the TsConfig instance
*/
public getConfig(): TsConfig {
return this.config;
}
/**
* Create compiler options by merging defaults, tsconfig.json, and custom options
*/
public createOptions(customOptions: CompilerOptions = {}): CompilerOptions {
return this.config.merge(customOptions, this.argvArg);
}
/**
* Create a TypeScript program from file names and options
*/
private createProgram(fileNames: string[], options: CompilerOptions): Program {
return typescript.createProgram(fileNames, options);
}
/**
* Process TypeScript diagnostics and return error summary
*/
private processDiagnostics(diagnostics: readonly Diagnostic[]): IErrorSummary {
const errorsByFile: Record<string, Diagnostic[]> = {};
const generalErrors: Diagnostic[] = [];
diagnostics.forEach((diagnostic) => {
if (diagnostic.file) {
const fileName = diagnostic.file.fileName;
if (!errorsByFile[fileName]) {
errorsByFile[fileName] = [];
}
errorsByFile[fileName].push(diagnostic);
} else {
generalErrors.push(diagnostic);
}
});
return {
errorsByFile,
generalErrors,
totalErrors: diagnostics.length,
totalFiles: Object.keys(errorsByFile).length,
};
}
/**
* Display error summary to console
*/
private displayErrorSummary(errorSummary: IErrorSummary): void {
if (errorSummary.totalErrors === 0) {
return;
}
const { errorsByFile, generalErrors, totalErrors, totalFiles } = errorSummary;
// Print error summary header
console.log('\n' + '='.repeat(80));
console.log(
`❌ Found ${totalErrors} error${totalErrors !== 1 ? 's' : ''} in ${totalFiles} file${totalFiles !== 1 ? 's' : ''}:`
);
console.log('='.repeat(80));
// Color codes for error formatting
const colors = {
reset: '\x1b[0m',
red: '\x1b[31m',
yellow: '\x1b[33m',
cyan: '\x1b[36m',
white: '\x1b[37m',
brightRed: '\x1b[91m',
};
// Print file-specific errors
Object.entries(errorsByFile).forEach(([fileName, fileErrors]) => {
// Show relative path if possible for cleaner output
const displayPath = fileName.replace(process.cwd(), '').replace(/^\//, '');
console.log(
`\n${colors.cyan}File: ${displayPath} ${colors.yellow}(${fileErrors.length} error${fileErrors.length !== 1 ? 's' : ''})${colors.reset}`
);
console.log('-'.repeat(80));
fileErrors.forEach((diagnostic) => {
if (diagnostic.file && diagnostic.start !== undefined) {
const { line, character } = diagnostic.file.getLineAndCharacterOfPosition(diagnostic.start);
const message = typescript.flattenDiagnosticMessageText(diagnostic.messageText, '\n');
const errorCode = diagnostic.code ? `TS${diagnostic.code}` : 'Error';
console.log(
`${colors.white}Line ${line + 1}, Col ${character + 1}${colors.reset}: ${colors.brightRed}${errorCode}${colors.reset} - ${message}`
);
// Try to show the code snippet if possible
try {
const lineContent = diagnostic.file.text.split('\n')[line];
if (lineContent) {
console.log(` ${lineContent.trimEnd()}`);
const indicator = ' '.repeat(character) + `${colors.red}^${colors.reset}`;
console.log(` ${indicator}`);
}
} catch {
// Failed to get source text, skip showing the code snippet
}
}
});
});
// Print general errors
if (generalErrors.length > 0) {
console.log(`\n${colors.yellow}General Errors:${colors.reset}`);
console.log('-'.repeat(80));
generalErrors.forEach((diagnostic) => {
const message = typescript.flattenDiagnosticMessageText(diagnostic.messageText, '\n');
const errorCode = diagnostic.code ? `TS${diagnostic.code}` : 'Error';
console.log(`${colors.brightRed}${errorCode}${colors.reset}: ${message}`);
});
}
console.log('\n' + '='.repeat(80) + '\n');
}
/**
* Handle skipLibCheck warning display
*/
private async handleSkipLibCheckWarning(): Promise<void> {
if (this.argvArg?.confirmskiplibcheck) {
console.log('\n⚠ WARNING ⚠️');
console.log('You are skipping libcheck... Is that really wanted?');
console.log('Continuing in 5 seconds...\n');
await smartdelay.delayFor(5000);
} else if (!this.argvArg?.quiet && !this.argvArg?.json) {
console.log('⚠️ skipLibCheck enabled; use --confirmskiplibcheck to pause with warning.');
}
}
/**
* Compile files with error tracking (returns result instead of throwing)
*/
public async compileFiles(
fileNames: string[],
customOptions: CompilerOptions = {},
taskInfo?: ITaskInfo
): Promise<ICompileResult> {
const options = this.createOptions(customOptions);
if (options.skipLibCheck) {
await this.handleSkipLibCheckWarning();
}
// Enhanced logging with task info
const startTime = Date.now();
if (taskInfo) {
const { taskNumber, totalTasks, sourcePattern, fileCount } = taskInfo;
const relativeDestDir = taskInfo.destDir.replace(process.cwd(), '').replace(/^\//, '');
console.log(
`\n🔨 [${taskNumber}/${totalTasks}] Compiling ${fileCount} file${fileCount !== 1 ? 's' : ''} from ${sourcePattern}`
);
console.log(` 📁 Output: ${relativeDestDir}`);
} else {
console.log(`🔨 Compiling ${fileNames.length} files...`);
}
const done = smartpromise.defer<ICompileResult>();
const program = this.createProgram(fileNames, options);
// Check for pre-emit diagnostics first
const preEmitDiagnostics = typescript.getPreEmitDiagnostics(program);
const preEmitErrorSummary = this.processDiagnostics(preEmitDiagnostics);
// Only continue to emit phase if no pre-emit errors
if (preEmitErrorSummary.totalErrors > 0) {
this.displayErrorSummary(preEmitErrorSummary);
console.error('\n❌ TypeScript pre-emit checks failed. Please fix the issues listed above before proceeding.');
console.error(' Type errors must be resolved before the compiler can emit output files.\n');
done.resolve({ emittedFiles: [], errorSummary: preEmitErrorSummary });
return done.promise;
}
// If no pre-emit errors, proceed with emit
const emitResult = program.emit();
const emitErrorSummary = this.processDiagnostics(emitResult.diagnostics);
// Combine error summaries
const combinedErrorSummary: IErrorSummary = {
errorsByFile: { ...preEmitErrorSummary.errorsByFile, ...emitErrorSummary.errorsByFile },
generalErrors: [...preEmitErrorSummary.generalErrors, ...emitErrorSummary.generalErrors],
totalErrors: preEmitErrorSummary.totalErrors + emitErrorSummary.totalErrors,
totalFiles: Object.keys({ ...preEmitErrorSummary.errorsByFile, ...emitErrorSummary.errorsByFile }).length,
};
const exitCode = emitResult.emitSkipped ? 1 : 0;
if (exitCode === 0) {
const endTime = Date.now();
const duration = endTime - startTime;
if (taskInfo) {
const { taskNumber, totalTasks } = taskInfo;
console.log(`✅ [${taskNumber}/${totalTasks}] Task completed in ${duration}ms`);
} else {
console.log(`✅ TypeScript emit succeeded! (${duration}ms)`);
}
// Get count of emitted files by type
const jsFiles = emitResult.emittedFiles?.filter((f) => f.endsWith('.js')).length || 0;
const dtsFiles = emitResult.emittedFiles?.filter((f) => f.endsWith('.d.ts')).length || 0;
const mapFiles = emitResult.emittedFiles?.filter((f) => f.endsWith('.map')).length || 0;
if (emitResult.emittedFiles && emitResult.emittedFiles.length > 0) {
console.log(
` 📄 Generated ${emitResult.emittedFiles.length} files: ${jsFiles} .js, ${dtsFiles} .d.ts, ${mapFiles} source maps`
);
}
done.resolve({ emittedFiles: emitResult.emittedFiles || [], errorSummary: combinedErrorSummary });
} else {
this.displayErrorSummary(combinedErrorSummary);
console.error('\n❌ TypeScript emit failed. Please investigate the errors listed above!');
console.error(' No output files have been generated.\n');
done.resolve({ emittedFiles: [], errorSummary: combinedErrorSummary });
}
return done.promise;
}
/**
* Compile files (throws on error)
*/
public async compileFilesOrThrow(fileNames: string[], customOptions: CompilerOptions = {}): Promise<string[]> {
const result = await this.compileFiles(fileNames, customOptions);
if (result.errorSummary.totalErrors > 0) {
throw new Error('TypeScript compilation failed.');
}
return result.emittedFiles;
}
/**
* Compile glob patterns with automatic unpacking
*/
public async compileGlob(
globPatterns: Record<string, string>,
customOptions: CompilerOptions = {}
): Promise<ICompileResult> {
const emittedFiles: string[] = [];
const errorSummaries: IErrorSummary[] = [];
const totalTasks = Object.keys(globPatterns).length;
let currentTask = 0;
const isQuiet = this.argvArg?.quiet === true;
const isJson = this.argvArg?.json === true;
if (!isQuiet && !isJson) {
console.log(`\n👷 TypeScript Compilation Tasks (${totalTasks} task${totalTasks !== 1 ? 's' : ''}):`);
Object.entries(globPatterns).forEach(([source, dest]) => {
console.log(` 📂 ${source}${dest}`);
});
console.log('');
}
for (const pattern of Object.keys(globPatterns)) {
const destPath = globPatterns[pattern];
if (!pattern || !destPath) continue;
// Get files matching the glob pattern
const files = await FsHelpers.listFilesWithGlob(this.cwd, pattern);
// Transform to absolute paths
const absoluteFiles = smartpath.transform.toAbsolute(files, this.cwd) as string[];
// Get destination directory as absolute path
const destDir = smartpath.transform.toAbsolute(destPath, this.cwd) as string;
// Clear the destination directory before compilation if it exists
if (await FsHelpers.directoryExists(destDir)) {
if (!isQuiet && !isJson) {
console.log(`🧹 Clearing output directory: ${destPath}`);
}
await FsHelpers.removeDirectory(destDir);
}
// Update compiler options with the output directory
const options: CompilerOptions = {
...customOptions,
outDir: destDir,
};
currentTask++;
const taskInfo: ITaskInfo = {
taskNumber: currentTask,
totalTasks,
sourcePattern: pattern,
destDir: destPath,
fileCount: absoluteFiles.length,
};
const result = await this.compileFiles(absoluteFiles, options, taskInfo);
emittedFiles.push(...result.emittedFiles);
errorSummaries.push(result.errorSummary);
// Perform unpack if compilation succeeded
if (result.errorSummary.totalErrors === 0) {
await performUnpack(pattern, destDir, this.cwd);
}
}
// Merge all error summaries
const finalErrorSummary = this.mergeErrorSummaries(errorSummaries);
// Output summary based on mode
if (isJson) {
const result = {
success: finalErrorSummary.totalErrors === 0,
totals: {
errors: finalErrorSummary.totalErrors,
filesWithErrors: finalErrorSummary.totalFiles,
tasks: totalTasks,
},
errorsByFile: Object.fromEntries(
Object.entries(finalErrorSummary.errorsByFile).map(([file, diags]) => [
file,
diags.map((d) => ({
code: d.code,
message: typescript.flattenDiagnosticMessageText(d.messageText as any, '\n'),
})),
])
),
};
console.log(JSON.stringify(result));
} else if (!isQuiet) {
this.displayFinalSummary(finalErrorSummary);
}
// Attach summary to argvArg for CLI exit behavior
if (this.argvArg && typeof this.argvArg === 'object') {
(this.argvArg as any).__tsbuildFinalErrorSummary = finalErrorSummary;
}
return {
emittedFiles,
errorSummary: finalErrorSummary,
};
}
/**
* Check if files can be emitted without actually emitting
*/
public async checkEmit(fileNames: string[], customOptions: CompilerOptions = {}): Promise<boolean> {
const options = { ...this.createOptions(customOptions), noEmit: true };
const fileCount = fileNames.length;
console.log(`\n🔍 Checking if ${fileCount} file${fileCount !== 1 ? 's' : ''} can be emitted...`);
const program = this.createProgram(fileNames, options);
const preEmitDiagnostics = typescript.getPreEmitDiagnostics(program);
const preEmitErrorSummary = this.processDiagnostics(preEmitDiagnostics);
const emitResult = program.emit(undefined, undefined, undefined, true);
const emitErrorSummary = this.processDiagnostics(emitResult.diagnostics);
const combinedErrorSummary: IErrorSummary = {
errorsByFile: { ...preEmitErrorSummary.errorsByFile, ...emitErrorSummary.errorsByFile },
generalErrors: [...preEmitErrorSummary.generalErrors, ...emitErrorSummary.generalErrors],
totalErrors: preEmitErrorSummary.totalErrors + emitErrorSummary.totalErrors,
totalFiles: Object.keys({ ...preEmitErrorSummary.errorsByFile, ...emitErrorSummary.errorsByFile }).length,
};
const success = combinedErrorSummary.totalErrors === 0 && !emitResult.emitSkipped;
if (success) {
console.log('\n✅ TypeScript emit check passed! All files can be emitted successfully.');
console.log(` ${fileCount} file${fileCount !== 1 ? 's' : ''} ${fileCount !== 1 ? 'are' : 'is'} ready to be compiled.\n`);
} else {
this.displayErrorSummary(combinedErrorSummary);
console.error('\n❌ TypeScript emit check failed. Please fix the issues listed above.');
console.error(' The compilation cannot proceed until these errors are resolved.\n');
}
return success;
}
/**
* Check TypeScript files for type errors without emission
*/
public async checkTypes(fileNames: string[], customOptions: CompilerOptions = {}): Promise<boolean> {
const options = { ...this.createOptions(customOptions), noEmit: true };
const fileCount = fileNames.length;
console.log(`\n🔍 Type checking ${fileCount} TypeScript file${fileCount !== 1 ? 's' : ''}...`);
const program = this.createProgram(fileNames, options);
const diagnostics = typescript.getPreEmitDiagnostics(program);
const errorSummary = this.processDiagnostics(diagnostics);
const success = errorSummary.totalErrors === 0;
if (success) {
console.log('\n✅ TypeScript type check passed! No type errors found.');
console.log(` All ${fileCount} file${fileCount !== 1 ? 's' : ''} passed type checking successfully.\n`);
} else {
this.displayErrorSummary(errorSummary);
console.error('\n❌ TypeScript type check failed. Please fix the type errors listed above.');
console.error(' The type checker found issues that need to be resolved.\n');
}
return success;
}
/**
* Merge multiple error summaries into one
*/
private mergeErrorSummaries(summaries: IErrorSummary[]): IErrorSummary {
const mergedErrorsByFile: Record<string, Diagnostic[]> = {};
const mergedGeneralErrors: Diagnostic[] = [];
let totalErrors = 0;
summaries.forEach((summary) => {
Object.entries(summary.errorsByFile).forEach(([fileName, errors]) => {
if (!mergedErrorsByFile[fileName]) {
mergedErrorsByFile[fileName] = [];
}
mergedErrorsByFile[fileName] = mergedErrorsByFile[fileName].concat(errors);
});
mergedGeneralErrors.push(...summary.generalErrors);
totalErrors += summary.totalErrors;
});
return {
errorsByFile: mergedErrorsByFile,
generalErrors: mergedGeneralErrors,
totalErrors,
totalFiles: Object.keys(mergedErrorsByFile).length,
};
}
/**
* Display final compilation summary
*/
private displayFinalSummary(errorSummary: IErrorSummary): void {
if (errorSummary.totalErrors === 0) {
console.log('\n📊 \x1b[32mCompilation Summary: All tasks completed successfully! ✅\x1b[0m\n');
return;
}
const colors = {
reset: '\x1b[0m',
red: '\x1b[31m',
yellow: '\x1b[33m',
cyan: '\x1b[36m',
brightRed: '\x1b[91m',
brightYellow: '\x1b[93m',
};
console.log('\n' + '='.repeat(80));
console.log(`📊 ${colors.brightYellow}Final Compilation Summary${colors.reset}`);
console.log('='.repeat(80));
if (errorSummary.totalFiles > 0) {
console.log(`${colors.brightRed}❌ Files with errors (${errorSummary.totalFiles}):${colors.reset}`);
Object.entries(errorSummary.errorsByFile).forEach(([fileName, errors]) => {
const displayPath = fileName.replace(process.cwd(), '').replace(/^\//, '');
console.log(
` ${colors.red}${colors.reset} ${colors.cyan}${displayPath}${colors.reset} ${colors.yellow}(${errors.length} error${errors.length !== 1 ? 's' : ''})${colors.reset}`
);
});
}
if (errorSummary.generalErrors.length > 0) {
console.log(`${colors.brightRed}❌ General errors: ${errorSummary.generalErrors.length}${colors.reset}`);
}
console.log(
`\n${colors.brightRed}Total: ${errorSummary.totalErrors} error${errorSummary.totalErrors !== 1 ? 's' : ''} across ${errorSummary.totalFiles} file${errorSummary.totalFiles !== 1 ? 's' : ''}${colors.reset}`
);
console.log('='.repeat(80) + '\n');
}
}