357 lines
9.3 KiB
JavaScript
357 lines
9.3 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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, Couleurs = require("couleurs")()
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, Gry = require("gry")
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, IsThere = require("is-there")
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, CliPie = require("cli-pie")
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, CliGhCal = require("cli-gh-cal")
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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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, 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 {GitStats} The `GitStats` object.
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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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callback(new Error("The date field should be a string or a date object."));
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return GitStats;
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}
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if (typeof data.hash !== "string" || !data.hash) {
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callback(new Error("Invalid hash."));
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return GitStats;
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}
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if (typeof data.url !== "string" || !data.url) {
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callback(new Error("Invalid url field. This commit is not recorded into the git-stats history since you haven't added the remote url. You can import the previous commits using the git-stats-importer tool."));
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return GitStats;
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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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return GitStats;
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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 {GitStats} The `GitStats` object.
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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 && err.code === "ENOENT") {
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return GitStats.save({}, function (err) {
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callback(err, {});
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});
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}
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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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return GitStats;
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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 {GitStats} The `GitStats` object.
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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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return GitStats;
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};
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/**
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* iterateDays
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* Iterate through the days, calling the callback function on 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 {GitStats} The `GitStats` object.
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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.end = data.end || Moment();
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data.start = data.start || Moment().subtract(1, "years");
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data.format = data.format || DATE_FORMAT;
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var start = new Moment(data.start.format(DATE_FORMAT), DATE_FORMAT)
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, end = new Moment(data.end.format(DATE_FORMAT), DATE_FORMAT)
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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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return GitStats;
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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 {GitStats} The `GitStats` object.
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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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return GitStats;
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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 {GitStats} The `GitStats` object.
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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 = cal.max / (LEVELS.length * 2);
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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.round(cDay.c / levels)) >= 4
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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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return GitStats;
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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 {GitStats} The `GitStats` object.
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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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GitStats.graph(data, function (err, graph) {
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var cal = [];
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GitStats.iterateDays(data, function (cDay) {
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cDayObj = graph[cDay];
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if (!cDayObj) { return; }
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cal.push([cDay, cDayObj.c]);
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});
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callback(null, CliGhCal(cal, {
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theme: data.theme
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, start: data.start
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, end: data.end
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}));
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});
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return GitStats;
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};
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GitStats.authors = function (options, callback) {
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var repo = new Gry(options.repo);
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repo.exec("shortlog -s -n --all", function (err, stdout) {
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if (err) { return callback(err); }
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lines = stdout.split("\n");
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pieData = stdout.split("\n").map(function (c) {
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var splits = c.split("\t").map(function (cc) {
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return cc.trim();
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});
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return {
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value: parseInt(splits[0])
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, label: splits[1]
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};
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});
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callback(null, pieData);
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});
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};
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GitStats.authorsPie = function (options, callback) {
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if (typeof options === "string") {
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options = {
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repo: options
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};
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}
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options = Ul.merge(options, {
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radius: process.stdout.rows / 2 || 20
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});
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if (!IsThere.sync(options.repo)) {
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return callback(new Error("Repository is missing."));
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}
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var repo = new Gry(options.repo)
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, pie = null
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, pieData = []
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;
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GitStats.authors(options, function (err, authors) {
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if (err) { return callback(err); }
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if (authors.length > 50) {
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var others = {
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value: authors.slice(50).reduce(function (a, b) {
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debugger
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return a + b.value;
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}, 0)
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, label: "Others"
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};
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debugger
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authors = authors.slice(0, 50);
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authors.push(others);
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}
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pie = new CliPie(options.radius, authors, {
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legend: true
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, flat: true
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, no_ansi: options.no_ansi
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});
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callback(null, pie.toString());
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});
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};
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