dd5a4e1d75We have been stalled on ESLint 3.8.0 for some time. Current ESLint is 3.13.0. We have been unable to upgrade because of more aggressive reporting on some rules, including indentation. ESLint configuration options and bugfixes are now such that we can reasonably upgrade. PR-URL: https://github.com/nodejs/node/pull/10561 Reviewed-By: Teddy Katz <teddy.katz@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
141 lines
3.3 KiB
JavaScript
141 lines
3.3 KiB
JavaScript
/**
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* @fileoverview Tracks performance of individual rules.
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* @author Brandon Mills
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Helpers
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//------------------------------------------------------------------------------
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/* istanbul ignore next */
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/**
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* Align the string to left
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* @param {string} str string to evaluate
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* @param {int} len length of the string
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* @param {string} ch delimiter character
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* @returns {string} modified string
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* @private
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*/
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function alignLeft(str, len, ch) {
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return str + new Array(len - str.length + 1).join(ch || " ");
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}
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/* istanbul ignore next */
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/**
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* Align the string to right
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* @param {string} str string to evaluate
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* @param {int} len length of the string
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* @param {string} ch delimiter character
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* @returns {string} modified string
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* @private
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*/
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function alignRight(str, len, ch) {
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return new Array(len - str.length + 1).join(ch || " ") + str;
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}
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//------------------------------------------------------------------------------
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// Module definition
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//------------------------------------------------------------------------------
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const enabled = !!process.env.TIMING;
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const HEADERS = ["Rule", "Time (ms)", "Relative"];
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const ALIGN = [alignLeft, alignRight, alignRight];
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/* istanbul ignore next */
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/**
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* display the data
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* @param {Object} data Data object to be displayed
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* @returns {string} modified string
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* @private
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*/
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function display(data) {
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let total = 0;
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const rows = Object.keys(data)
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.map(key => {
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const time = data[key];
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total += time;
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return [key, time];
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})
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.sort((a, b) => b[1] - a[1])
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.slice(0, 10);
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rows.forEach(row => {
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row.push(`${(row[1] * 100 / total).toFixed(1)}%`);
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row[1] = row[1].toFixed(3);
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});
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rows.unshift(HEADERS);
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const widths = [];
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rows.forEach(row => {
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const len = row.length;
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for (let i = 0; i < len; i++) {
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const n = row[i].length;
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if (!widths[i] || n > widths[i]) {
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widths[i] = n;
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}
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}
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});
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const table = rows.map(row =>
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row
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.map((cell, index) => ALIGN[index](cell, widths[index]))
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.join(" | ")
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);
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table.splice(1, 0, widths.map((w, index) => {
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if (index !== 0 && index !== widths.length - 1) {
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w++;
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}
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return ALIGN[index](":", w + 1, "-");
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}).join("|"));
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console.log(table.join("\n")); // eslint-disable-line no-console
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}
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/* istanbul ignore next */
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module.exports = (function() {
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const data = Object.create(null);
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/**
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* Time the run
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* @param {*} key key from the data object
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* @param {Function} fn function to be called
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* @returns {Function} function to be executed
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* @private
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*/
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function time(key, fn) {
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if (typeof data[key] === "undefined") {
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data[key] = 0;
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}
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return function() {
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let t = process.hrtime();
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fn.apply(null, Array.prototype.slice.call(arguments));
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t = process.hrtime(t);
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data[key] += t[0] * 1e3 + t[1] / 1e6;
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};
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}
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if (enabled) {
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process.on("exit", () => {
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display(data);
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});
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}
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return {
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time,
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enabled
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};
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}());
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