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const errorProps = ['description', 'fileName', 'lineNumber', 'message', 'name', 'number', 'stack'];
function Exception(message, node) {
let loc = node && node.loc,
line,
column;
if (loc) {
line = loc.start.line;
column = loc.start.column;
message += ' - ' + line + ':' + column;
}
let tmp = Error.prototype.constructor.call(this, message);
// Unfortunately errors are not enumerable in Chrome (at least), so `for prop in tmp` doesn't work.
for (let idx = 0; idx < errorProps.length; idx++) {
this[errorProps[idx]] = tmp[errorProps[idx]];
}
/* istanbul ignore else */
if (Error.captureStackTrace) {
Error.captureStackTrace(this, Exception);
}
try {
if (loc) {
this.lineNumber = line;
// Work around issue under safari where we can't directly set the column value
/* istanbul ignore next */
if (Object.defineProperty) {
Object.defineProperty(this, 'column', {value: column});
} else {
this.column = column;
}
}
} catch (nop) {
/* Ignore if the browser is very particular */
}
}
Exception.prototype = new Error();
export default Exception;
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