/usr/lib/nodejs/component-consoler/index.js is in node-component-consoler 2.0.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | var debug = require('debug')('component-consoler');
var slice = Array.prototype.slice;
/**
* Error types where we show the stack trace.
* These are generally user errors, not "our" errors.
**/
var showstack = [
'ParseError',
'SyntaxError',
'URIError'
];
/**
* Log message with `type` and `message` interpolated by `substitutes`.
*
* @param {String} type
* @param {String} message
* @param {...String} [substitutes]
* @api public
**/
exports.log = function (type, message /*, substitutes */) {
log('log', 36, type, message, slice.call(arguments, 2));
};
/**
* Log warning message with `type` and `message` interpolated by `substitutes`.
*
* @param {String} type
* @param {String} message
* @param {...String} [substitutes]
* @api public
**/
exports.warn = function (type, message /*, substitutes */) {
log('warn', 33, type, message, slice.call(arguments, 2));
};
/**
* Log error message with "error" type and `message` interpolated by `substitutes`.
*
* @param {String} message
* @param {...String} [substitutes]
* @api public
**/
exports.error = function (message /*, substitutes */) {
log('error', 31, 'error', message, slice.call(arguments, 1));
};
/**
* Log error message and exit with "fatal" type and `error` interpolated by `substitutes`.
* Depending on the error type, show the stack trace.
*
* @param {String|Error} error
* @param {...String} [substitutes]
* @api public
**/
exports.fatal = function (error /*, substitutes */) {
var message = error;
if (error instanceof Error) {
debug(error.stack);
if (error.stack && ~showstack.indexOf(error.name)) {
message = error.stack;
} else {
message = error.message;
}
}
console.error();
log('error', 31, 'fatal', message, slice.call(arguments, 1));
console.error();
process.exit(1);
};
/**
* Log message in console `method` with `color`, `type`, `message`, `substitutes`.
*
* @param {String} method
* @param {Number} color
* @param {String} type
* @param {String} message
* @param {String[]} substitues
* @api private
**/
function log (method, color, type, message, substitutes) {
console[method].apply(console, [stylize(type, message, color)].concat(substitutes));
}
/**
* Stylize message, use `color` for `type` before `message`.
*
* @param {String} type
* @param {String} message
* @param {Number} color
* @return {String}
* @api private
**/
function stylize (type, message, color) {
return ' \033[' + color + 'm' + pad(type) + '\033[m : \033[90m' + message + '\033[m';
}
/**
* Add whitespace indentation before text.
*
* @param {String} text
* @return {String}
* @api private
**/
function pad (text) {
var width = 10;
var length = Math.max(0, width - text.length);
var space = Array(length + 1).join(' ');
return space + text;
}
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