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const path = require('path');
// Automatically transpile .ts imports
require('ts-node').register({
// Specify the project file so ts-node doesn't try to find it itself based on the CWD.
project: path.resolve(__dirname, '../../../tsconfig.json'),
compilerOptions: {
module: 'commonjs',
},
transpileOnly: true,
});
const Module = require('module');
// Redirect imports of .js files to .ts files
const resolveFilename = Module._resolveFilename;
Module._resolveFilename = (request, parentModule, isMain) => {
do {
if (request.startsWith('.') && parentModule.filename.endsWith('.ts')) {
// Required for browser (because it needs the actual correct file path and
// can't do any kind of file resolution).
if (request.endsWith('/index.js')) {
throw new Error(
"Avoid the name `index.js`; we don't have Node-style path resolution: " + request
);
}
// Import of Node addon modules are valid and should pass through.
if (request.endsWith('.node')) {
break;
}
if (!request.endsWith('.js')) {
throw new Error('All relative imports must end in .js: ' + request);
}
try {
const tsRequest = request.substring(0, request.length - '.js'.length) + '.ts';
return resolveFilename.call(this, tsRequest, parentModule, isMain);
} catch (ex) {
// If the .ts file doesn't exist, try .js instead.
break;
}
}
} while (0);
return resolveFilename.call(this, request, parentModule, isMain);
};
process.on('unhandledRejection', ex => {
throw ex;
});
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