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139 lines (122 loc) · 3.91 KB
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// @ts-check
import * as fs from 'fs';
import { TypeProcessor } from './processor.js';
import { parseArgs } from 'util';
import ts from 'typescript';
import path from 'path';
class DiagnosticEngine {
constructor() {
/** @type {ts.FormatDiagnosticsHost} */
this.formattHost = {
getCanonicalFileName: (fileName) => fileName,
getNewLine: () => ts.sys.newLine,
getCurrentDirectory: () => ts.sys.getCurrentDirectory(),
};
}
/**
* @param {readonly ts.Diagnostic[]} diagnostics
*/
tsDiagnose(diagnostics) {
const message = ts.formatDiagnosticsWithColorAndContext(diagnostics, this.formattHost);
console.log(message);
}
/**
* @param {string} message
* @param {ts.Node | undefined} node
*/
info(message, node = undefined) {
this.printLog("info", '\x1b[32m', message, node);
}
/**
* @param {string} message
* @param {ts.Node | undefined} node
*/
warn(message, node = undefined) {
this.printLog("warning", '\x1b[33m', message, node);
}
/**
* @param {string} message
*/
error(message) {
this.printLog("error", '\x1b[31m', message);
}
/**
* @param {string} level
* @param {string} color
* @param {string} message
* @param {ts.Node | undefined} node
*/
printLog(level, color, message, node = undefined) {
if (node) {
const sourceFile = node.getSourceFile();
const { line, character } = sourceFile.getLineAndCharacterOfPosition(node.getStart());
const location = sourceFile.fileName + ":" + (line + 1) + ":" + (character);
process.stderr.write(`${location}: ${color}${level}\x1b[0m: ${message}\n`);
} else {
process.stderr.write(`${color}${level}\x1b[0m: ${message}\n`);
}
}
}
function printUsage() {
console.error('Usage: ts2skeleton <d.ts file path> -p <tsconfig.json path> [-o output.json]');
}
/**
* Main function to run the CLI
* @param {string[]} args - Command-line arguments
* @returns {void}
*/
export function main(args) {
// Parse command line arguments
const options = parseArgs({
args,
options: {
output: {
type: 'string',
short: 'o',
},
project: {
type: 'string',
short: 'p',
}
},
allowPositionals: true
})
if (options.positionals.length !== 1) {
printUsage();
process.exit(1);
}
const tsconfigPath = options.values.project;
if (!tsconfigPath) {
printUsage();
process.exit(1);
}
const filePath = options.positionals[0];
const diagnosticEngine = new DiagnosticEngine();
diagnosticEngine.info(`Processing ${filePath}...`);
// Create TypeScript program and process declarations
const configFile = ts.readConfigFile(tsconfigPath, ts.sys.readFile);
const configParseResult = ts.parseJsonConfigFileContent(
configFile.config,
ts.sys,
path.dirname(path.resolve(tsconfigPath))
);
if (configParseResult.errors.length > 0) {
diagnosticEngine.tsDiagnose(configParseResult.errors);
process.exit(1);
}
const program = TypeProcessor.createProgram(filePath, configParseResult.options);
const diagnostics = program.getSemanticDiagnostics();
if (diagnostics.length > 0) {
diagnosticEngine.tsDiagnose(diagnostics);
process.exit(1);
}
const processor = new TypeProcessor(program.getTypeChecker(), diagnosticEngine);
const results = processor.processTypeDeclarations(program, filePath);
// Write results to file or stdout
const jsonOutput = JSON.stringify(results, null, 2);
if (options.values.output) {
fs.writeFileSync(options.values.output, jsonOutput);
} else {
process.stdout.write(jsonOutput, "utf-8");
}
}