eslint-formatter-summary/dist/format-results.js

ESLint summary formatter aggregating results by rule

"use strict";
import chalk from "chalk-template";
import { aggregate } from "./aggregator.js";
import { lengthOfLongest, padNumber, sortBy, sum } from "./utils.js";
const maxErrorLen = (rules) => lengthOfLongest("errors", rules);
const maxWarningLen = (rules) => lengthOfLongest("warnings", rules);
const maxRuleLen = (rules) => lengthOfLongest("ruleId", rules);
const totalErrors = (rules) => sum("errors", rules);
const totalWarnings = (rules) => sum("warnings", rules);
const totalProblems = (rules) => totalErrors(rules) + totalWarnings(rules);
const sparkles = String.fromCodePoint(10024);
const flames = String.fromCodePoint(128293);
const constructHeader = (rules) => {
  const errors = "0".repeat(maxErrorLen(rules));
  const warnings = "0".repeat(maxWarningLen(rules));
  const longestRule = "0".repeat(maxRuleLen(rules));
  const len = `errors ${errors} warnings ${warnings} rule: ${longestRule}`.length;
  const header = ` ${sparkles}  Summary of failing ESLint rules `.padEnd(len);
  return chalk`{bgBlue ${header}}`;
};
const constructSummary = (rules) => rules.map((rule, i) => {
  const errors = padNumber(rule.errors, maxErrorLen(rules));
  const warnings = padNumber(rule.warnings, maxWarningLen(rules));
  const { ruleId } = rule;
  const line = chalk`errors {red ${errors}} warnings {yellow ${warnings}} rule: {gray ${ruleId}}`;
  return i < rules.length - 1 ? `${line}
` : line;
}).join("");
const constructTotal = (rules) => chalk`${flames}  {red ${totalProblems(
  rules
)} problems in total} (${totalErrors(rules)} {red errors}, ${totalWarnings(
  rules
)} {yellow warnings})`;
export const format = (results, { SORT_BY = "rule", DESC }) => {
  const rules = aggregate(results);
  if (["rule", "errors", "warnings"].includes(SORT_BY)) {
    const prop = SORT_BY === "rule" ? "ruleId" : SORT_BY;
    const direction = DESC === "true" ? "desc" : "asc";
    sortBy(prop, rules, direction);
  } else {
    sortBy("ruleId", rules, "asc");
  }
  const header = constructHeader(rules);
  const summary = constructSummary(rules);
  const total = constructTotal(rules);
  return `${header}
${summary}
${total}`;
};
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