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'use strict';
const binding = process.binding('util');
const prefix = `(${process.release.name}:${process.pid}) `;
exports.getHiddenValue = binding.getHiddenValue;
exports.setHiddenValue = binding.setHiddenValue;
// All the internal deprecations have to use this function only, as this will
// prepend the prefix to the actual message.
exports.deprecate = function(fn, msg) {
return exports._deprecate(fn, msg);
};
// All the internal deprecations have to use this function only, as this will
// prepend the prefix to the actual message.
exports.printDeprecationMessage = function(msg, warned, ctor) {
if (warned || process.noDeprecation)
return true;
process.emitWarning(msg, 'DeprecationWarning',
ctor || exports.printDeprecationMessage);
return true;
};
exports.error = function(msg) {
const fmt = `${prefix}${msg}`;
if (arguments.length > 1) {
const args = new Array(arguments.length);
args[0] = fmt;
for (let i = 1; i < arguments.length; ++i)
args[i] = arguments[i];
console.error.apply(console, args);
} else {
console.error(fmt);
}
};
exports.trace = function(msg) {
console.trace(`${prefix}${msg}`);
};
// Mark that a method should not be used.
// Returns a modified function which warns once by default.
// If --no-deprecation is set, then it is a no-op.
exports._deprecate = function(fn, msg) {
// Allow for deprecating things in the process of starting up.
if (global.process === undefined) {
return function() {
return exports._deprecate(fn, msg).apply(this, arguments);
};
}
if (process.noDeprecation === true) {
return fn;
}
var warned = false;
function deprecated() {
warned = exports.printDeprecationMessage(msg, warned, deprecated);
return fn.apply(this, arguments);
}
return deprecated;
};
exports.decorateErrorStack = function decorateErrorStack(err) {
if (!(exports.isError(err) && err.stack) ||
exports.getHiddenValue(err, 'node:decorated') === true)
return;
const arrow = exports.getHiddenValue(err, 'node:arrowMessage');
if (arrow) {
err.stack = arrow + err.stack;
exports.setHiddenValue(err, 'node:decorated', true);
}
};
exports.isError = function isError(e) {
return exports.objectToString(e) === '[object Error]' || e instanceof Error;
};
exports.objectToString = function objectToString(o) {
return Object.prototype.toString.call(o);
};
const noCrypto = !process.versions.openssl;
exports.assertCrypto = function(exports) {
if (noCrypto)
throw new Error('Node.js is not compiled with openssl crypto support');
};
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