mirror of
https://github.com/IonicaBizau/git-stats.git
synced 2024-12-22 21:32:10 +01:00
355 lines
9.2 KiB
JavaScript
355 lines
9.2 KiB
JavaScript
// Dependencies
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var Ul = require("ul")
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, Fs = require("fs")
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, Moment = require("moment")
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, CliBox = require("cli-box")
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;
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// Constants
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const STORE_PATH = Ul.USER_DIR + "/.git-stats"
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, LEVELS = [
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"⬚"
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, "▢"
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, "▤"
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, "▣"
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, "■"
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]
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, DAYS = [
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"Sun"
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, "Mon"
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, "Tue"
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, "Wed"
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, "Thu"
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, "Fri"
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, "Sat"
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]
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, DATE_FORMAT = "MMM D, YYYY"
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;
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// Constructor
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var GitStats = module.exports = {};
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/**
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* record
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* Records a new commit.
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*
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* @name record
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* @function
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* @param {Object} data The commit data containing:
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*
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* - `date` (String|Date): The date object or a string in a format that can be parsed.
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* - `url` (String): The repository remote url.
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* - `hash` (String): The commit hash.
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*
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* @param {Function} callback The callback function.
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* @return {undefined}
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*/
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GitStats.record = function (data, callback) {
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// Validate data
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callback = callback || function (err) { if (err) throw err; };
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data = Object(data);
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if (typeof data.date === "string") {
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data.date = new Moment(new Date(data.date));
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}
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if (!data.date || !/^Moment|Date$/.test(data.date.constructor.name)) {
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return callback(new Error("The date field should be a string or a date object."));
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}
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if (typeof data.hash !== "string" || !data.hash) {
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return callback(new Error("Invalid hash."));
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}
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if (typeof data.url !== "string" || !data.url) {
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return callback(new Error("Invalid url field. This commit is not recorded into the git-stats history since you didn't added the remote url. You can import the previous commits using the git-stats-importer tool."));
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}
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// Get stats
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GitStats.get(function (err, stats) {
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stats = stats || {};
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var day = data.date.format(DATE_FORMAT)
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, today = stats[day] = Object(stats[day])
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, repo = today[data.url] = Object(today[data.url])
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;
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repo[data.hash] = { date: data.date };
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GitStats.save(stats, callback);
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});
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};
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/**
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* get
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* Gets the git stats.
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*
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* @name get
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* @function
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* @param {Function} callback The callback function.
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* @return {undefined}
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*/
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GitStats.get = function (callback) {
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Fs.readFile(STORE_PATH, "utf-8", function (err, data) {
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if (err) { return callback(err); }
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try {
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data = JSON.parse(data);
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} catch (e) {
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return callback(e);
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}
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callback(null, data);
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});
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};
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/**
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* save
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* Saves the provided stats.
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*
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* @name save
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* @function
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* @param {Object} stats The stats to be saved.
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* @param {Function} callback The callback function.
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* @return {undefined}
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*/
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GitStats.save = function (stats, callback) {
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Fs.writeFile(STORE_PATH, JSON.stringify(stats, null, 1), callback);
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};
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/**
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* iterateDays
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* Iterate the days, calling the callback function for each day.
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*
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* @name iterateDays
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* @function
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* @param {Object} data An object containing the following fields:
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*
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* - `start` (Moment): A `Moment` date object representing the start date (default: *an year ago*).
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* - `end` (Moment): A `Moment` date object representing the end date (default: *now*).
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* - `format` (String): The format of the date (default: `"MMM D, YYYY"`).
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*
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* @param {Function} callback The callback function called with the current day formatted (type: string) and the `Moment` date object.
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* @return {undefined}
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*/
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GitStats.iterateDays = function (data, callback) {
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if (typeof data === "function") {
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callback = data;
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data = undefined;
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}
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// Merge the defaults
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data = Ul.merge({
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end: Moment()
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, start: Moment().subtract(1, "years")
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, format: DATE_FORMAT
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}, data);
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var start = data.start
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, end = data.end
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, tomrrow = Moment(end.format(DATE_FORMAT), DATE_FORMAT).add(1, "days")
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, endStr = tomrrow.format(DATE_FORMAT)
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, cDay = null
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;
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while (start.format(DATE_FORMAT) !== endStr) {
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cDay = start.format(data.format);
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callback(cDay, start);
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start.add(1, "days");
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}
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};
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/**
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* graph
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* Creates an object with the stats on the provided period (default: *last year*).
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*
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* @name graph
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* @function
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* @param {Object} data The object passed to the `iterateDays` method.
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* @param {Function} callback The callback function.
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* @return {undefined}
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*/
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GitStats.graph = function (data, callback) {
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if (typeof data === "function") {
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callback = data;
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data = undefined;
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}
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// Get commits
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GitStats.get(function (err, stats) {
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if (err) { return callback(err); }
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var cDayObj = null
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, year = {}
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;
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// Iterate days
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GitStats.iterateDays(data, function (cDay) {
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cDayObj = year[cDay] = {
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_: stats[cDay] || {}
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, c: 0
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};
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Object.keys(cDayObj._).forEach(function (c) {
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cDayObj.c += Object.keys(cDayObj._[c]).length;
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});
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});
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callback(null, year);
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});
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};
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/**
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* calendar
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* Creates the calendar data for the provided period (default: *last year*).
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*
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* @name calendar
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* @function
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* @param {Object} data The object passed to the `graph` method.
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* @param {Function} callback The callback function.
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* @return {undefined}
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*/
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GitStats.calendar = function (data, callback) {
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GitStats.graph(data, function (err, graph) {
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if (err) { return callback(err); }
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var cal = { total: 0, days: {}, cStreak: 0, lStreak: 0, max: 0 }
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, cDay = null
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, days = Object.keys(graph)
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, levels = null
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, cLevel = 0
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;
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days.forEach(function (c) {
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cDay = graph[c];
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cal.total += cDay.c;
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if (cDay.c > cal.max) {
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cal.max = cDay.c;
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}
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if (cDay.c > 0) {
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if (++cal.cStreak > cal.lStreak) {
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cal.lStreak = cal.cStreak;
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}
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} else {
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cal.cStreak = 0;
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}
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});
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levels = Math.ceil(cal.max / (LEVELS.length * 3));
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days.forEach(function (c) {
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cDay = graph[c];
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cal.days[c] = {
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c: cDay.c
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, level: !levels
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? 0 : (cLevel = Math.floor(cDay.c / levels )) >= 5
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? 4 : !cLevel && cDay.c > 0 ? 1 : cLevel
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};
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});
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callback(null, cal);
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});
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};
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/**
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* ansiCalendar
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* Creates the ANSI contributions calendar.
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*
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* @name ansiCalendar
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* @function
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* @param {Object} data The object passed to the `calendar` method.
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* @param {Function} callback The callback function.
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* @return {undefined}
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*/
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GitStats.ansiCalendar = function (data, callback) {
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if (typeof data === "function") {
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callback = data;
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data = undefined;
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}
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var year = []
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, months = []
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, cWeek = [" ", " ", " ", " ", " ", " ", " "]
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, monthHack = "MM"
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, sDay = ""
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, cDayObj = null
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, strYear = ""
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, w = 0
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, d = 0
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, dataClone = {
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start: data.start ? Moment(data.start.format(DATE_FORMAT), DATE_FORMAT) : null
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, end: data.end ? Moment(data.end.format(DATE_FORMAT), DATE_FORMAT) : null
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}
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;
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GitStats.calendar(data, function (err, cal) {
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if (err) { return callback(err); }
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GitStats.iterateDays(dataClone, function (cDay, mDay) {
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sDay = mDay.format("ddd");
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if (mDay.format("D") === "1") {
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months.push(mDay.format("MMM"));
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}
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cDayObj = cal.days[cDay];
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if (!cDayObj) return;
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if (sDay === "Sun" && Object.keys(cWeek).length) {
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year.push(cWeek);
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cWeek = [" ", " ", " ", " ", " ", " ", " "];
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}
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cWeek[DAYS.indexOf(sDay)] = LEVELS[cDayObj.level];
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});
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if (cWeek.length) {
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year.push(cWeek);
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}
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for (d = 0; d < 7; ++d) {
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for (w = 0; w < year.length; ++w) {
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strYear += " " + year[w][d];
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}
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strYear += "\n";
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}
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// Add day names
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strYear = strYear.split("\n").map(function (c, i) {
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if (i > 6) { return; }
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return DAYS[i] + c;
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}).join("\n");
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monthHack = "MMM";
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strYear = monthHack + months.join(" ") + "\n" + strYear;
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strYear +=
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new Array(5 + 2 * Math.ceil(365 / 7)).join("-")
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+ "\n" + "Contributions in the last year: " + cal.total
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+ " | " + "Longest Streak: " + cal.lStreak + " days"
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+ " | " + "Current Streak: " + cal.cStreak + " days"
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+ " | " + "Max a day: " + cal.max
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;
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strYear = new CliBox({
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w: 10
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, h: 10
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, marks: {
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nw: "╔"
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, n: "═"
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, ne: "╗"
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, e: "║"
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, se: "╝"
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, s: "═"
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, sw: "╚"
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, w: "║"
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, b: " "
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}
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}, {
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text: strYear
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, stretch: true
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, hAlign: "left"
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}).toString();
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strYear = strYear.replace(monthHack, new Array(monthHack.length + 1).join(" "));
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callback(null, strYear);
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});
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};
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