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var chalk = require('chalk');
var path = require('path');
var symbols = require('log-symbols');
var _ = require('lodash');
var util = require('./util');
module.exports = function(opts) {
var options = opts || {};
var sortByPosition = (typeof options.sortByPosition !== 'undefined') ? options.sortByPosition : true;
var positionless = options.positionless || 'first';
return function(input) {
var messages = input.messages;
var source = input.source;
if (!messages.length) return '';
var orderedMessages = _.sortBy(
messages,
function(m) {
if (!m.line) return 1;
if (positionless === 'any') return 1;
if (positionless === 'first') return 2;
if (positionless === 'last') return 0;
},
function(m) {
if (!sortByPosition) return 1;
return m.line;
},
function(m) {
if (!sortByPosition) return 1;
return m.column;
}
);
var output = '\n';
if (source) {
output += chalk.bold.underline(logFrom(source)) + '\n';
}
orderedMessages.forEach(function(w) {
output += messageToString(w) + '\n';
});
return output;
function messageToString(message) {
var location = util.getLocation(message);
var str = '';
if (location.line) {
str += chalk.bold(location.line);
}
if (location.column) {
str += chalk.bold(':' + location.column)
}
if (location.line || location.column) {
str += '\t';
}
if (!options.noIcon && message.type === 'warning') {
str += chalk.yellow(symbols.warning + ' ');
}
str += message.text;
if (!options.noPlugin) {
str += chalk.yellow(' [' + message.plugin + ']');
}
return str;
}
function logFrom(fromValue) {
if (fromValue.charAt(0) === '<') return fromValue;
return path.relative(process.cwd(), fromValue).split(path.sep).join('/');
}
};
};
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