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/**
* @fileoverview HTML reporter
* @author Julian Laval
*/
"use strict";
const lodash = require("lodash");
const fs = require("fs");
const path = require("path");
//------------------------------------------------------------------------------
// Helpers
//------------------------------------------------------------------------------
const pageTemplate = lodash.template(fs.readFileSync(path.join(__dirname, "html-template-page.html"), "utf-8"));
const messageTemplate = lodash.template(fs.readFileSync(path.join(__dirname, "html-template-message.html"), "utf-8"));
const resultTemplate = lodash.template(fs.readFileSync(path.join(__dirname, "html-template-result.html"), "utf-8"));
/**
* Given a word and a count, append an s if count is not one.
* @param {string} word A word in its singular form.
* @param {int} count A number controlling whether word should be pluralized.
* @returns {string} The original word with an s on the end if count is not one.
*/
function pluralize(word, count) {
return (count === 1 ? word : `${word}s`);
}
/**
* Renders text along the template of x problems (x errors, x warnings)
* @param {string} totalErrors Total errors
* @param {string} totalWarnings Total warnings
* @returns {string} The formatted string, pluralized where necessary
*/
function renderSummary(totalErrors, totalWarnings) {
const totalProblems = totalErrors + totalWarnings;
let renderedText = `${totalProblems} ${pluralize("problem", totalProblems)}`;
if (totalProblems !== 0) {
renderedText += ` (${totalErrors} ${pluralize("error", totalErrors)}, ${totalWarnings} ${pluralize("warning", totalWarnings)})`;
}
return renderedText;
}
/**
* Get the color based on whether there are errors/warnings...
* @param {string} totalErrors Total errors
* @param {string} totalWarnings Total warnings
* @returns {int} The color code (0 = green, 1 = yellow, 2 = red)
*/
function renderColor(totalErrors, totalWarnings) {
if (totalErrors !== 0) {
return 2;
}
if (totalWarnings !== 0) {
return 1;
}
return 0;
}
/**
* Get HTML (table rows) describing the messages.
* @param {Array} messages Messages.
* @param {int} parentIndex Index of the parent HTML row.
* @param {Object} rulesMeta Dictionary containing metadata for each rule executed by the analysis.
* @returns {string} HTML (table rows) describing the messages.
*/
function renderMessages(messages, parentIndex, rulesMeta) {
/**
* Get HTML (table row) describing a message.
* @param {Object} message Message.
* @returns {string} HTML (table row) describing a message.
*/
return lodash.map(messages, message => {
const lineNumber = message.line || 0;
const columnNumber = message.column || 0;
let ruleUrl;
if (rulesMeta) {
const meta = rulesMeta[message.ruleId];
ruleUrl = lodash.get(meta, "docs.url", null);
}
return messageTemplate({
parentIndex,
lineNumber,
columnNumber,
severityNumber: message.severity,
severityName: message.severity === 1 ? "Warning" : "Error",
message: message.message,
ruleId: message.ruleId,
ruleUrl
});
}).join("\n");
}
// eslint-disable-next-line jsdoc/require-description
/**
* @param {Array} results Test results.
* @param {Object} rulesMeta Dictionary containing metadata for each rule executed by the analysis.
* @returns {string} HTML string describing the results.
*/
function renderResults(results, rulesMeta) {
return lodash.map(results, (result, index) => resultTemplate({
index,
color: renderColor(result.errorCount, result.warningCount),
filePath: result.filePath,
summary: renderSummary(result.errorCount, result.warningCount)
}) + renderMessages(result.messages, index, rulesMeta)).join("\n");
}
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
module.exports = function(results, data) {
let totalErrors,
totalWarnings;
const metaData = data ? data.rulesMeta : {};
totalErrors = 0;
totalWarnings = 0;
// Iterate over results to get totals
results.forEach(result => {
totalErrors += result.errorCount;
totalWarnings += result.warningCount;
});
return pageTemplate({
date: new Date(),
reportColor: renderColor(totalErrors, totalWarnings),
reportSummary: renderSummary(totalErrors, totalWarnings),
results: renderResults(results, metaData)
});
};
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