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/**
* @fileoverview "table reporter.
* @author Gajus Kuizinas <gajus@gajus.com>
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const chalk = require("chalk"),
table = require("table").table;
//------------------------------------------------------------------------------
// Helpers
//------------------------------------------------------------------------------
/**
* Given a word and a count, append an "s" if count is not one.
* @param {string} word A word.
* @param {number} count Quantity.
* @returns {string} The original word with an s on the end if count is not one.
*/
function pluralize(word, count) {
return (count === 1 ? word : `${word}s`);
}
/**
* Draws text table.
* @param {Array<Object>} messages Error messages relating to a specific file.
* @returns {string} A text table.
*/
function drawTable(messages) {
const rows = [];
if (messages.length === 0) {
return "";
}
rows.push([
chalk.bold("Line"),
chalk.bold("Column"),
chalk.bold("Type"),
chalk.bold("Message"),
chalk.bold("Rule ID")
]);
messages.forEach(message => {
let messageType;
if (message.fatal || message.severity === 2) {
messageType = chalk.red("error");
} else {
messageType = chalk.yellow("warning");
}
rows.push([
message.line || 0,
message.column || 0,
messageType,
message.message,
message.ruleId || ""
]);
});
return table(rows, {
columns: {
0: {
width: 8,
wrapWord: true
},
1: {
width: 8,
wrapWord: true
},
2: {
width: 8,
wrapWord: true
},
3: {
paddingRight: 5,
width: 50,
wrapWord: true
},
4: {
width: 20,
wrapWord: true
}
},
drawHorizontalLine(index) {
return index === 1;
}
});
}
/**
* Draws a report (multiple tables).
* @param {Array} results Report results for every file.
* @returns {string} A column of text tables.
*/
function drawReport(results) {
let files;
files = results.map(result => {
if (!result.messages.length) {
return "";
}
return `\n${result.filePath}\n\n${drawTable(result.messages)}`;
});
files = files.filter(content => content.trim());
return files.join("");
}
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
module.exports = function(report) {
let result,
errorCount,
warningCount;
result = "";
errorCount = 0;
warningCount = 0;
report.forEach(fileReport => {
errorCount += fileReport.errorCount;
warningCount += fileReport.warningCount;
});
if (errorCount || warningCount) {
result = drawReport(report);
}
result += `\n${table([
[
chalk.red(pluralize(`${errorCount} Error`, errorCount))
],
[
chalk.yellow(pluralize(`${warningCount} Warning`, warningCount))
]
], {
columns: {
0: {
width: 110,
wrapWord: true
}
},
drawHorizontalLine() {
return true;
}
})}`;
return result;
};