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'use strict';
var stringify = require('unist-util-stringify-position');
module.exports = VMessage;
/* Inherit from `Error#`. */
function VMessagePrototype() {}
VMessagePrototype.prototype = Error.prototype;
VMessage.prototype = new VMessagePrototype();
/* Message properties. */
var proto = VMessage.prototype;
proto.file = '';
proto.name = '';
proto.reason = '';
proto.message = '';
proto.stack = '';
proto.fatal = null;
proto.column = null;
proto.line = null;
/* Construct a new VMessage.
*
* Note: We cannot invoke `Error` on the created context,
* as that adds readonly `line` and `column` attributes on
* Safari 9, thus throwing and failing the data. */
function VMessage(reason, position, origin) {
var parts;
var range;
var location;
if (typeof position === 'string') {
origin = position;
position = null;
}
parts = parseOrigin(origin);
range = stringify(position) || '1:1';
location = {
start: {line: null, column: null},
end: {line: null, column: null}
};
/* Node. */
if (position && position.position) {
position = position.position;
}
if (position) {
/* Position. */
if (position.start) {
location = position;
position = position.start;
} else {
/* Point. */
location.start = position;
}
}
if (reason.stack) {
this.stack = reason.stack;
reason = reason.message;
}
this.message = reason;
this.name = range;
this.reason = reason;
this.line = position ? position.line : null;
this.column = position ? position.column : null;
this.location = location;
this.source = parts[0];
this.ruleId = parts[1];
}
function parseOrigin(origin) {
var result = [null, null];
var index;
if (typeof origin === 'string') {
index = origin.indexOf(':');
if (index === -1) {
result[1] = origin;
} else {
result[0] = origin.slice(0, index);
result[1] = origin.slice(index + 1);
}
}
return result;
}
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