Contributors graph migration to echarts

Contributors charts were migrated to echarts,
old code dependent on charts.js was removed

app/assets/javascripts/contributors/components/contributors.vue

+<script>
+import { __ } from '~/locale';
+import _ from 'underscore';
+import { mapActions, mapState, mapGetters } from 'vuex';
+import { GlLoadingIcon } from '@gitlab/ui';
+import { GlAreaChart } from '@gitlab/ui/dist/charts';
+import { getSvgIconPathContent } from '~/lib/utils/icon_utils';
+import { getDatesInRange } from '~/lib/utils/datetime_utility';
+import { xAxisLabelFormatter, dateFormatter } from '../utils';
+
+export default {
+  components: {
+    GlAreaChart,
+    GlLoadingIcon,
+  },
+  props: {
+    endpoint: {
+      type: String,
+      required: true,
+    },
+    branch: {
+      type: String,
+      required: true,
+    },
+  },
+  data() {
+    return {
+      masterChart: null,
+      individualCharts: [],
+      svgs: {},
+      masterChartHeight: 264,
+      individualChartHeight: 216,
+    };
+  },
+  computed: {
+    ...mapState(['chartData', 'loading']),
+    ...mapGetters(['showChart', 'parsedData']),
+    masterChartData() {
+      const data = {};
+      this.xAxisRange.forEach(date => {
+        data[date] = this.parsedData.total[date] || 0;
+      });
+      return [
+        {
+          name: __('Commits'),
+          data: Object.entries(data),
+        },
+      ];
+    },
+    masterChartOptions() {
+      return {
+        ...this.getCommonChartOptions(true),
+        yAxis: {
+          name: __('Number of commits'),
+        },
+        grid: {
+          bottom: 64,
+          left: 64,
+          right: 20,
+          top: 20,
+        },
+      };
+    },
+    individualChartsData() {
+      const maxNumberOfIndividualContributorsCharts = 100;
+
+      return Object.keys(this.parsedData.byAuthor)
+        .map(name => {
+          const author = this.parsedData.byAuthor[name];
+          return {
+            name,
+            email: author.email,
+            commits: author.commits,
+            dates: [
+              {
+                name: __('Commits'),
+                data: this.xAxisRange.map(date => [date, author.dates[date] || 0]),
+              },
+            ],
+          };
+        })
+        .sort((a, b) => b.commits - a.commits)
+        .slice(0, maxNumberOfIndividualContributorsCharts);
+    },
+    individualChartOptions() {
+      return {
+        ...this.getCommonChartOptions(false),
+        yAxis: {
+          name: __('Commits'),
+          max: this.individualChartYAxisMax,
+        },
+        grid: {
+          bottom: 27,
+          left: 64,
+          right: 20,
+          top: 8,
+        },
+      };
+    },
+    individualChartYAxisMax() {
+      return this.individualChartsData.reduce((acc, item) => {
+        const values = item.dates[0].data.map(value => value[1]);
+        return Math.max(acc, ...values);
+      }, 0);
+    },
+    xAxisRange() {
+      const dates = Object.keys(this.parsedData.total).sort((a, b) => new Date(a) - new Date(b));
+
+      const firstContributionDate = new Date(dates[0]);
+      const lastContributionDate = new Date(dates[dates.length - 1]);
+
+      return getDatesInRange(firstContributionDate, lastContributionDate, dateFormatter);
+    },
+    firstContributionDate() {
+      return this.xAxisRange[0];
+    },
+    lastContributionDate() {
+      return this.xAxisRange[this.xAxisRange.length - 1];
+    },
+    charts() {
+      return _.uniq(this.individualCharts);
+    },
+  },
+  mounted() {
+    this.fetchChartData(this.endpoint);
+  },
+  methods: {
+    ...mapActions(['fetchChartData']),
+    getCommonChartOptions(isMasterChart) {
+      return {
+        xAxis: {
+          type: 'time',
+          name: '',
+          data: this.xAxisRange,
+          axisLabel: {
+            formatter: xAxisLabelFormatter,
+            showMaxLabel: false,
+            showMinLabel: false,
+          },
+          boundaryGap: false,
+          splitNumber: isMasterChart ? 24 : 18,
+          // 28 days
+          minInterval: 28 * 86400 * 1000,
+          min: this.firstContributionDate,
+          max: this.lastContributionDate,
+        },
+      };
+    },
+    setSvg(name) {
+      return getSvgIconPathContent(name)
+        .then(path => {
+          if (path) {
+            this.$set(this.svgs, name, `path://${path}`);
+          }
+        })
+        .catch(() => {});
+    },
+    onMasterChartCreated(chart) {
+      this.masterChart = chart;
+      this.setSvg('scroll-handle')
+        .then(() => {
+          this.masterChart.setOption({
+            dataZoom: [
+              {
+                type: 'slider',
+                handleIcon: this.svgs['scroll-handle'],
+              },
+            ],
+          });
+        })
+        .catch(() => {});
+      this.masterChart.on('datazoom', _.debounce(this.setIndividualChartsZoom, 200));
+    },
+    onIndividualChartCreated(chart) {
+      this.individualCharts.push(chart);
+    },
+    setIndividualChartsZoom(options) {
+      this.charts.forEach(chart =>
+        chart.setOption(
+          {
+            dataZoom: {
+              start: options.start,
+              end: options.end,
+              show: false,
+            },
+          },
+          { lazyUpdate: true },
+        ),
+      );
+    },
+  },
+};
+</script>
+
+<template>
+  <div>
+    <div v-if="loading" class="contributors-loader text-center">
+      <gl-loading-icon :inline="true" :size="4" />
+    </div>
+
+    <div v-else-if="showChart" class="contributors-charts">
+      <h4>{{ __('Commits to') }} {{ branch }}</h4>
+      <span>{{ __('Excluding merge commits. Limited to 6,000 commits.') }}</span>
+      <div>
+        <gl-area-chart
+          :data="masterChartData"
+          :option="masterChartOptions"
+          :height="masterChartHeight"
+          @created="onMasterChartCreated"
+        />
+      </div>
+
+      <div class="row">
+        <div v-for="contributor in individualChartsData" :key="contributor.name" class="col-6">
+          <h4>{{ contributor.name }}</h4>
+          <p>{{ n__('%d commit', '%d commits', contributor.commits) }} ({{ contributor.email }})</p>
+          <gl-area-chart
+            :data="contributor.dates"
+            :option="individualChartOptions"
+            :height="individualChartHeight"
+            @created="onIndividualChartCreated"
+          />
+        </div>
+      </div>
+    </div>
+  </div>
+</template>

app/assets/javascripts/contributors/index.js

+import Vue from 'vue';
+import ContributorsGraphs from './components/contributors.vue';
+import store from './stores';
+
+export default () => {
+  const el = document.querySelector('.js-contributors-graph');
+
+  if (!el) return null;
+
+  return new Vue({
+    el,
+    store,
+
+    render(createElement) {
+      return createElement(ContributorsGraphs, {
+        props: {
+          endpoint: el.dataset.projectGraphPath,
+          branch: el.dataset.projectBranch,
+        },
+      });
+    },
+  });
+};

app/assets/javascripts/contributors/services/contributors_service.js

+import axios from '~/lib/utils/axios_utils';
+
+export default {
+  fetchChartData(endpoint) {
+    return axios.get(endpoint);
+  },
+};

app/assets/javascripts/contributors/stores/actions.js

+import flash from '~/flash';
+import { __ } from '~/locale';
+import service from '../services/contributors_service';
+import * as types from './mutation_types';
+
+export const fetchChartData = ({ commit }, endpoint) => {
+  commit(types.SET_LOADING_STATE, true);
+
+  return service
+    .fetchChartData(endpoint)
+    .then(res => res.data)
+    .then(data => {
+      commit(types.SET_CHART_DATA, data);
+      commit(types.SET_LOADING_STATE, false);
+    })
+    .catch(() => flash(__('An error occurred while loading chart data')));
+};
+
+// prevent babel-plugin-rewire from generating an invalid default during karma tests
+export default () => {};

app/assets/javascripts/contributors/stores/getters.js

+export const showChart = state => Boolean(!state.loading && state.chartData);
+
+export const parsedData = state => {
+  const byAuthor = {};
+  const total = {};
+
+  state.chartData.forEach(({ date, author_name, author_email }) => {
+    total[date] = total[date] ? total[date] + 1 : 1;
+
+    const authorData = byAuthor[author_name];
+
+    if (!authorData) {
+      byAuthor[author_name] = {
+        email: author_email.toLowerCase(),
+        commits: 1,
+        dates: {
+          [date]: 1,
+        },
+      };
+    } else {
+      authorData.commits += 1;
+      authorData.dates[date] = authorData.dates[date] ? authorData.dates[date] + 1 : 1;
+    }
+  });
+
+  return {
+    total,
+    byAuthor,
+  };
+};
+
+// prevent babel-plugin-rewire from generating an invalid default during karma tests
+export default () => {};

app/assets/javascripts/contributors/stores/index.js

+import Vue from 'vue';
+import Vuex from 'vuex';
+import state from './state';
+import mutations from './mutations';
+import * as getters from './getters';
+import * as actions from './actions';
+
+Vue.use(Vuex);
+
+export const createStore = () =>
+  new Vuex.Store({
+    actions,
+    mutations,
+    getters,
+    state: state(),
+  });
+
+export default createStore();

app/assets/javascripts/contributors/stores/mutation_types.js

+export const SET_CHART_DATA = 'SET_CHART_DATA';
+export const SET_LOADING_STATE = 'SET_LOADING_STATE';
+export const SET_ACTIVE_BRANCH = 'SET_ACTIVE_BRANCH';

app/assets/javascripts/contributors/stores/mutations.js

+import * as types from './mutation_types';
+
+export default {
+  [types.SET_LOADING_STATE](state, value) {
+    state.loading = value;
+  },
+  [types.SET_CHART_DATA](state, chartData) {
+    Object.assign(state, {
+      chartData,
+    });
+  },
+  [types.SET_ACTIVE_BRANCH](state, branch) {
+    Object.assign(state, {
+      branch,
+    });
+  },
+};

app/assets/javascripts/contributors/stores/state.js

+export default () => ({
+  loading: false,
+  chartData: null,
+  branch: 'master',
+});

app/assets/javascripts/contributors/utils.js

+import { getMonthNames } from '~/lib/utils/datetime_utility';
+
+/**
+ * Converts provided string to date and returns formatted value as a year for date in January and month name for the rest
+ * @param {String}
+ * @returns {String}  - formatted value
+ *
+ * xAxisLabelFormatter('01-12-2019') will return '2019'
+ * xAxisLabelFormatter('02-12-2019') will return 'Feb'
+ * xAxisLabelFormatter('07-12-2019') will return 'Jul'
+ */
+export const xAxisLabelFormatter = val => {
+  const date = new Date(val);
+  const month = date.getUTCMonth();
+  const year = date.getUTCFullYear();
+  return month === 0 ? `${year}` : getMonthNames(true)[month];
+};
+
+/**
+ * Formats provided date to YYYY-MM-DD format
+ * @param {Date}
+ * @returns {String}  - formatted value
+ */
+export const dateFormatter = date => {
+  const year = date.getUTCFullYear();
+  const month = date.getUTCMonth();
+  const day = date.getUTCDate();
+
+  return `${year}-${`0${month + 1}`.slice(-2)}-${`0${day}`.slice(-2)}`;
+};

app/assets/javascripts/lib/utils/datetime_utility.js

@@ -564,3 +564,26 @@ export const getDateInPast = (date, daysInPast) => {
 
 export const beginOfDayTime = 'T00:00:00Z';
 export const endOfDayTime = 'T23:59:59Z';
+
+/**
+ * @param {Date} d1
+ * @param {Date} d2
+ * @param {Function} formatter
+ * @return {Any[]} an array of formatted dates between 2 given dates (including start&end date)
+ */
+export const getDatesInRange = (d1, d2, formatter = x => x) => {
+  if (!(d1 instanceof Date) || !(d2 instanceof Date)) {
+    return [];
+  }
+  let startDate = d1.getTime();
+  const endDate = d2.getTime();
+  const oneDay = 24 * 3600 * 1000;
+  const range = [d1];
+
+  while (startDate < endDate) {
+    startDate += oneDay;
+    range.push(new Date(startDate));
+  }
+
+  return range.map(formatter);
+};

app/assets/javascripts/pages/projects/graphs/show/index.js

-import $ from 'jquery';
-import flash from '~/flash';
-import { __ } from '~/locale';
-import axios from '~/lib/utils/axios_utils';
-import ContributorsStatGraph from './stat_graph_contributors';
+import initContributorsGraphs from '~/contributors';
 
-document.addEventListener('DOMContentLoaded', () => {
-  const url = document.querySelector('.js-graphs-show').dataset.projectGraphPath;
-
-  axios
-    .get(url)
-    .then(({ data }) => {
-      const graph = new ContributorsStatGraph();
-      graph.init(data);
-
-      $('#brush_change').change(() => {
-        graph.change_date_header();
-        graph.redraw_authors();
-      });
-
-      $('.stat-graph').fadeIn();
-      $('.loading-graph').hide();
-    })
-    .catch(() => flash(__('Error fetching contributors data.')));
-});
+document.addEventListener('DOMContentLoaded', initContributorsGraphs);

app/assets/javascripts/pages/projects/graphs/show/stat_graph_contributors.js

-/* eslint-disable func-names, no-var, one-var, camelcase, no-param-reassign, no-return-assign */
-
-import $ from 'jquery';
-import _ from 'underscore';
-import { n__, s__, createDateTimeFormat, sprintf } from '~/locale';
-import {
-  ContributorsGraph,
-  ContributorsAuthorGraph,
-  ContributorsMasterGraph,
-} from './stat_graph_contributors_graph';
-import ContributorsStatGraphUtil from './stat_graph_contributors_util';
-
-export default (function() {
-  function ContributorsStatGraph() {
-    this.dateFormat = createDateTimeFormat({ year: 'numeric', month: 'long', day: 'numeric' });
-  }
-
-  ContributorsStatGraph.prototype.init = function(log) {
-    var author_commits, total_commits;
-    this.parsed_log = ContributorsStatGraphUtil.parse_log(log);
-    this.set_current_field('commits');
-    total_commits = ContributorsStatGraphUtil.get_total_data(this.parsed_log, this.field);
-    author_commits = ContributorsStatGraphUtil.get_author_data(this.parsed_log, this.field);
-    this.add_master_graph(total_commits);
-    this.add_authors_graph(author_commits);
-    return this.change_date_header();
-  };
-
-  ContributorsStatGraph.prototype.add_master_graph = function(total_data) {
-    this.master_graph = new ContributorsMasterGraph(total_data);
-    return this.master_graph.draw();
-  };
-
-  ContributorsStatGraph.prototype.add_authors_graph = function(author_data) {
-    var limited_author_data;
-    this.authors = [];
-    limited_author_data = author_data.slice(0, 100);
-    return _.each(
-      limited_author_data,
-      (function(_this) {
-        return function(d) {
-          var author_graph, author_header;
-          author_header = _this.create_author_header(d);
-          $('.contributors-list').append(author_header);
-
-          author_graph = new ContributorsAuthorGraph(d.dates);
-          _this.authors[d.author_name] = author_graph;
-          return author_graph.draw();
-        };
-      })(this),
-    );
-  };
-
-  ContributorsStatGraph.prototype.format_author_commit_info = function(author) {
-    var commits;
-    commits = $('<span/>', {
-      class: 'graph-author-commits-count',
-    });
-    commits.text(n__('%d commit', '%d commits', author.commits));
-    return $('<span/>').append(commits);
-  };
-
-  ContributorsStatGraph.prototype.create_author_header = function(author) {
-    var author_commit_info, author_commit_info_span, author_email, author_name, list_item;
-    list_item = $('<li/>', {
-      class: 'person',
-      style: 'display: block;',
-    });
-    author_name = $(`<h4>${author.author_name}</h4>`);
-    author_email = $(`<p class="graph-author-email">${author.author_email}</p>`);
-    author_commit_info_span = $('<span/>', {
-      class: 'commits',
-    });
-    author_commit_info = this.format_author_commit_info(author);
-    author_commit_info_span.html(author_commit_info);
-    list_item.append(author_name);
-    list_item.append(author_email);
-    list_item.append(author_commit_info_span);
-    return list_item;
-  };
-
-  ContributorsStatGraph.prototype.redraw_master = function() {
-    var total_data;
-    total_data = ContributorsStatGraphUtil.get_total_data(this.parsed_log, this.field);
-    this.master_graph.set_data(total_data);
-    return this.master_graph.redraw();
-  };
-
-  ContributorsStatGraph.prototype.redraw_authors = function() {
-    $('ol').html('');
-
-    const { x_domain } = ContributorsGraph.prototype;
-    const author_commits = ContributorsStatGraphUtil.get_author_data(
-      this.parsed_log,
-      this.field,
-      x_domain,
-    );
-
-    return _.each(
-      author_commits,
-      (function(_this) {
-        return function(d) {
-          _this.redraw_author_commit_info(d);
-          if (_this.authors[d.author_name] != null) {
-            $(_this.authors[d.author_name].list_item).appendTo('ol');
-            _this.authors[d.author_name].set_data(d.dates);
-            return _this.authors[d.author_name].redraw();
-          }
-          return '';
-        };
-      })(this),
-    );
-  };
-
-  ContributorsStatGraph.prototype.set_current_field = function(field) {
-    return (this.field = field);
-  };
-
-  ContributorsStatGraph.prototype.change_date_header = function() {
-    const { x_domain } = ContributorsGraph.prototype;
-    const formattedDateRange = sprintf(s__('ContributorsPage|%{startDate} – %{endDate}'), {
-      startDate: this.dateFormat.format(new Date(x_domain[0])),
-      endDate: this.dateFormat.format(new Date(x_domain[1])),
-    });
-    return $('#date_header').text(formattedDateRange);
-  };
-
-  ContributorsStatGraph.prototype.redraw_author_commit_info = function(author) {
-    var author_commit_info, author_list_item, $author;
-    $author = this.authors[author.author_name];
-    if ($author != null) {
-      author_list_item = $(this.authors[author.author_name].list_item);
-      author_commit_info = this.format_author_commit_info(author);
-      return author_list_item.find('span').html(author_commit_info);
-    }
-    return '';
-  };
-
-  return ContributorsStatGraph;
-})();

app/assets/javascripts/pages/projects/graphs/show/stat_graph_contributors_util.js

-/* eslint-disable func-names, no-var, one-var, camelcase, no-param-reassign, no-return-assign, consistent-return, no-cond-assign, no-else-return */
-import _ from 'underscore';
-
-export default {
-  parse_log(log) {
-    var by_author, by_email, data, entry, i, len, total, normalized_email;
-    total = {};
-    by_author = {};
-    by_email = {};
-    for (i = 0, len = log.length; i < len; i += 1) {
-      entry = log[i];
-      if (total[entry.date] == null) {
-        this.add_date(entry.date, total);
-      }
-      normalized_email = entry.author_email.toLowerCase();
-      data = by_author[entry.author_name] || by_email[normalized_email];
-      if (data == null) {
-        data = this.add_author(entry, by_author, by_email);
-      }
-      if (!data[entry.date]) {
-        this.add_date(entry.date, data);
-      }
-      this.store_data(entry, total[entry.date], data[entry.date]);
-    }
-    total = _.toArray(total);
-    by_author = _.toArray(by_author);
-    return {
-      total,
-      by_author,
-    };
-  },
-  add_date(date, collection) {
-    collection[date] = {};
-    return (collection[date].date = date);
-  },
-  add_author(author, by_author, by_email) {
-    var data, normalized_email;
-    data = {};
-    data.author_name = author.author_name;
-    data.author_email = author.author_email;
-    normalized_email = author.author_email.toLowerCase();
-    by_author[author.author_name] = data;
-    by_email[normalized_email] = data;
-    return data;
-  },
-  store_data(entry, total, by_author) {
-    this.store_commits(total, by_author);
-    this.store_additions(entry, total, by_author);
-    return this.store_deletions(entry, total, by_author);
-  },
-  store_commits(total, by_author) {
-    this.add(total, 'commits', 1);
-    return this.add(by_author, 'commits', 1);
-  },
-  add(collection, field, value) {
-    if (collection[field] == null) {
-      collection[field] = 0;
-    }
-    return (collection[field] += value);
-  },
-  store_additions(entry, total, by_author) {
-    if (entry.additions == null) {
-      entry.additions = 0;
-    }
-    this.add(total, 'additions', entry.additions);
-    return this.add(by_author, 'additions', entry.additions);
-  },
-  store_deletions(entry, total, by_author) {
-    if (entry.deletions == null) {
-      entry.deletions = 0;
-    }
-    this.add(total, 'deletions', entry.deletions);
-    return this.add(by_author, 'deletions', entry.deletions);
-  },
-  get_total_data(parsed_log, field) {
-    var log, total_data;
-    log = parsed_log.total;
-    total_data = this.pick_field(log, field);
-    return _.sortBy(total_data, d => d.date);
-  },
-  pick_field(log, field) {
-    var total_data;
-    total_data = [];
-    _.each(log, d => total_data.push(_.pick(d, [field, 'date'])));
-    return total_data;
-  },
-  get_author_data(parsed_log, field, date_range) {
-    var author_data, log;
-    if (date_range == null) {
-      date_range = null;
-    }
-    log = parsed_log.by_author;
-    author_data = [];
-    _.each(
-      log,
-      (function(_this) {
-        return function(log_entry) {
-          var parsed_log_entry;
-          parsed_log_entry = _this.parse_log_entry(log_entry, field, date_range);
-          if (!_.isEmpty(parsed_log_entry.dates)) {
-            return author_data.push(parsed_log_entry);
-          }
-        };
-      })(this),
-    );
-    return _.sortBy(author_data, d => d[field]).reverse();
-  },
-  parse_log_entry(log_entry, field, date_range) {
-    var parsed_entry;
-    parsed_entry = {};
-
-    parsed_entry.author_name = log_entry.author_name;
-    parsed_entry.author_email = log_entry.author_email;
-    parsed_entry.dates = {};
-
-    parsed_entry.commits = 0;
-    parsed_entry.additions = 0;
-    parsed_entry.deletions = 0;
-
-    _.each(
-      _.omit(log_entry, 'author_name', 'author_email'),
-      (function(_this) {
-        return function(value) {
-          if (_this.in_range(value.date, date_range)) {
-            parsed_entry.dates[value.date] = value[field];
-            parsed_entry.commits += value.commits;
-            parsed_entry.additions += value.additions;
-            return (parsed_entry.deletions += value.deletions);
-          }
-        };
-      })(this),
-    );
-    return parsed_entry;
-  },
-  in_range(date, date_range) {
-    var ref;
-    if (date_range === null || (date_range[0] <= (ref = new Date(date)) && ref <= date_range[1])) {
-      return true;
-    } else {
-      return false;
-    }
-  },
-};

app/assets/stylesheets/pages/graph.scss

@@ -17,21 +17,6 @@
   }
 }
 
-.graphs {
-  .graph-author-email {
-    float: right;
-    color: $gl-gray-500;
-  }
-
-  .graph-additions {
-    color: $green-600;
-  }
-
-  .graph-deletions {
-    color: $red-500;
-  }
-}
-
 .svg-graph-container {
   width: 100%;
 

app/assets/stylesheets/pages/stat_graph.scss

-.tint-box {
-  background: $stat-graph-common-bg;
-  position: relative;
-  margin-bottom: 10px;
-}
-
-.area {
-  fill: $green-500;
-  fill-opacity: 0.5;
-}
-
-.axis {
-  font-size: 10px;
-}
-
-#contributors-master {
-  @include media-breakpoint-up(md) {
-    @include make-col-ready();
-    @include make-col(12);
-  }
-}
-
-#contributors {
-  flex: 1;
-
-  .contributors-list {
-    margin: 0 0 10px;
-    list-style: none;
-    padding: 0;
-  }
-
-  .person {
-    @include media-breakpoint-up(md) {
-      @include make-col-ready();
-      @include make-col(6);
-    }
-
-    margin-top: 10px;
-
-    @include media-breakpoint-down(xs) {
-      width: 100%;
-    }
-
-    .spark {
-      display: block;
-      background: $stat-graph-common-bg;
-      width: 100%;
-    }
-
-    .area-contributor {
-      fill: $orange-500;
-    }
-  }
-}
-
-.selection rect {
-  fill-opacity: 0.1;
-  stroke-width: 1px;
-  stroke-opacity: 0.4;
-  shape-rendering: crispedges;
-  stroke-dasharray: 3 3;
-}

app/views/projects/graphs/show.html.haml

 - page_title _('Contributors')
 
-.js-graphs-show{ 'data-project-graph-path': project_graph_path(@project, current_ref, format: :json) }
-  .sub-header-block
+.sub-header-block.bg-gray-light.gl-p-3
   .tree-ref-holder.inline.vertical-align-middle
     = render 'shared/ref_switcher', destination: 'graphs'
   = link_to s_('Commits|History'), project_commits_path(@project, current_ref), class: 'btn'
 
-  .loading-graph
-    .center
-      %h3.page-title
-        %i.fa.fa-spinner.fa-spin
-        = s_('ContributorsPage|Building repository graph.')
-      %p.slead
-        = s_('ContributorsPage|Please wait a moment, this page will automatically refresh when ready.')
-
-  .stat-graph.hide
-    .header.clearfix
-      %h3#date_header.page-title
-      %p.light
-        = s_('ContributorsPage|Commits to %{branch_name}, excluding merge commits. Limited to 6,000 commits.') % { branch_name: @ref }
-      %input#brush_change{ :type => "hidden" }
-    .graphs.row
-      #contributors-master.svg-w-100
-      #contributors.clearfix
-        %ol.contributors-list.svg-w-100.row
+.js-contributors-graph{ class: container_class, 'data-project-graph-path': project_graph_path(@project, current_ref, format: :json),'data-project-branch': current_ref }

ee/app/assets/stylesheets/pages/contributors.scss

+.contributors {
+  &-loader {
+    padding-top: $header-height * 2;
+  }
+}

ee/changelogs/unreleased/63988-convert-contributors-graph-to-echarts.yml

+---
+title: Migrated contributors charts to echarts
+merge_request: 16677
+author:
+type: other

locale/gitlab.pot

@@ -4226,6 +4226,9 @@ msgstr ""
 msgid "Commits per weekday"
 msgstr ""
 
+msgid "Commits to"
+msgstr ""
+
 msgid "Commits|An error occurred while fetching merge requests data."
 msgstr ""
 
@@ -4510,18 +4513,6 @@ msgstr ""
 msgid "Contributors"
 msgstr ""
 
-msgid "ContributorsPage|%{startDate} – %{endDate}"
-msgstr ""
-
-msgid "ContributorsPage|Building repository graph."
-msgstr ""
-
-msgid "ContributorsPage|Commits to %{branch_name}, excluding merge commits. Limited to 6,000 commits."
-msgstr ""
-
-msgid "ContributorsPage|Please wait a moment, this page will automatically refresh when ready."
-msgstr ""
-
 msgid "Control emails linked to your account"
 msgstr ""
 
@@ -6465,9 +6456,6 @@ msgstr ""
 msgid "Error deleting  %{issuableType}"
 msgstr ""
 
-msgid "Error fetching contributors data."
-msgstr ""
-
 msgid "Error fetching diverging counts for branches. Please try again."
 msgstr ""
 
@@ -6705,6 +6693,9 @@ msgstr ""
 msgid "Except policy:"
 msgstr ""
 
+msgid "Excluding merge commits. Limited to 6,000 commits."
+msgstr ""
+
 msgid "Existing"
 msgstr ""
 
@@ -11322,6 +11313,9 @@ msgstr ""
 msgid "Number of changes (branches or tags) in a single push to determine whether webhooks and services will be fired or not. Webhooks and services won't be submitted if it surpasses that value."
 msgstr ""
 
+msgid "Number of commits"
+msgstr ""
+
 msgid "Number of commits per MR"
 msgstr ""
 

spec/features/projects/graph_spec.rb

@@ -29,12 +29,6 @@ describe 'Project Graph', :js do
     end
   end
 
-  it 'renders graphs' do
-    visit project_graph_path(project, 'master')
-
-    expect(page).to have_selector('.stat-graph', visible: false)
-  end
-
   context 'commits graph' do
     before do
       visit commits_project_graph_path(project, 'master')

spec/frontend/contributors/component/__snapshots__/contributors_spec.js.snap

+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Contributors charts should render charts when loading completed and there is chart data 1`] = `
+<div>
+  <div
+    class="contributors-charts"
+  >
+    <h4>
+      Commits to master
+    </h4>
+     
+    <span>
+      Excluding merge commits. Limited to 6,000 commits.
+    </span>
+     
+    <div>
+      <glareachart-stub
+        data="[object Object]"
+        height="264"
+        option="[object Object]"
+      />
+    </div>
+     
+    <div
+      class="row"
+    >
+      <div
+        class="col-6"
+      >
+        <h4>
+          John
+        </h4>
+         
+        <p>
+          2 commits (jawnnypoo@gmail.com)
+        </p>
+         
+        <glareachart-stub
+          data="[object Object]"
+          height="216"
+          option="[object Object]"
+        />
+      </div>
+    </div>
+  </div>
+</div>
+`;

spec/frontend/contributors/component/contributors_spec.js

+import Vue from 'vue';
+import { shallowMount, createLocalVue } from '@vue/test-utils';
+import { createStore } from '~/contributors/stores';
+import axios from '~/lib/utils/axios_utils';
+import MockAdapter from 'axios-mock-adapter';
+import ContributorsCharts from '~/contributors/components/contributors.vue';
+
+const localVue = createLocalVue();
+let wrapper;
+let mock;
+let store;
+const Component = Vue.extend(ContributorsCharts);
+const endpoint = 'contributors';
+const branch = 'master';
+const chartData = [
+  { author_name: 'John', author_email: 'jawnnypoo@gmail.com', date: '2019-05-05' },
+  { author_name: 'John', author_email: 'jawnnypoo@gmail.com', date: '2019-03-03' },
+];
+
+function factory() {
+  mock = new MockAdapter(axios);
+  jest.spyOn(axios, 'get');
+  mock.onGet().reply(200, chartData);
+  store = createStore();
+
+  wrapper = shallowMount(Component, {
+    propsData: {
+      endpoint,
+      branch,
+    },
+    stubs: {
+      GlLoadingIcon: true,
+      GlAreaChart: true,
+    },
+    store,
+  });
+}
+
+describe('Contributors charts', () => {
+  beforeEach(() => {
+    factory();
+  });
+
+  afterEach(() => {
+    mock.restore();
+    wrapper.destroy();
+  });
+
+  it('should fetch chart data when mounted', () => {
+    expect(axios.get).toHaveBeenCalledWith(endpoint);
+  });
+
+  it('should display loader whiled loading data', () => {
+    wrapper.vm.$store.state.loading = true;
+    return localVue.nextTick(() => {
+      expect(wrapper.find('.contributors-loader').exists()).toBe(true);
+    });
+  });
+
+  it('should render charts when loading completed and there is chart data', () => {
+    wrapper.vm.$store.state.loading = false;
+    wrapper.vm.$store.state.chartData = chartData;
+    return localVue.nextTick(() => {
+      expect(wrapper.find('.contributors-loader').exists()).toBe(false);
+      expect(wrapper.find('.contributors-charts').exists()).toBe(true);
+      expect(wrapper.element).toMatchSnapshot();
+    });
+  });
+});

spec/frontend/contributors/store/actions_spec.js

+import axios from '~/lib/utils/axios_utils';
+import MockAdapter from 'axios-mock-adapter';
+import testAction from 'helpers/vuex_action_helper';
+import flashError from '~/flash';
+import * as actions from '~/contributors/stores/actions';
+import * as types from '~/contributors/stores/mutation_types';
+
+jest.mock('~/flash.js');
+
+describe('Contributors store actions', () => {
+  describe('fetchChartData', () => {
+    let mock;
+    const endpoint = '/contributors';
+    const chartData = { '2017-11': 0, '2017-12': 2 };
+
+    beforeEach(() => {
+      mock = new MockAdapter(axios);
+    });
+
+    it('should commit SET_CHART_DATA with received response', done => {
+      mock.onGet().reply(200, chartData);
+
+      testAction(
+        actions.fetchChartData,
+        { endpoint },
+        {},
+        [
+          { type: types.SET_LOADING_STATE, payload: true },
+          { type: types.SET_CHART_DATA, payload: chartData },
+          { type: types.SET_LOADING_STATE, payload: false },
+        ],
+        [],
+        () => {
+          mock.restore();
+          done();
+        },
+      );
+    });
+
+    it('should show flash on API error', done => {
+      mock.onGet().reply(400, 'Not Found');
+
+      testAction(
+        actions.fetchChartData,
+        { endpoint },
+        {},
+        [{ type: types.SET_LOADING_STATE, payload: true }],
+        [],
+        () => {
+          expect(flashError).toHaveBeenCalledWith(expect.stringMatching('error'));
+          mock.restore();
+          done();
+        },
+      );
+    });
+  });
+});
+
+// prevent babel-plugin-rewire from generating an invalid default during karma tests
+export default () => {};

spec/frontend/contributors/store/getters_spec.js

+import * as getters from '~/contributors/stores/getters';
+
+describe('Contributors Store Getters', () => {
+  const state = {};
+
+  describe('showChart', () => {
+    it('should NOT show chart if loading', () => {
+      state.loading = true;
+
+      expect(getters.showChart(state)).toEqual(false);
+    });
+
+    it('should NOT show chart there is not data', () => {
+      state.loading = false;
+      state.chartData = null;
+
+      expect(getters.showChart(state)).toEqual(false);
+    });
+
+    it('should show the chart in case loading complated and there is data', () => {
+      state.loading = false;
+      state.chartData = true;
+
+      expect(getters.showChart(state)).toEqual(true);
+    });
+
+    describe('parsedData', () => {
+      let parsed;
+
+      beforeAll(() => {
+        state.chartData = [
+          { author_name: 'John', author_email: 'jawnnypoo@gmail.com', date: '2019-05-05' },
+          { author_name: 'John', author_email: 'jawnnypoo@gmail.com', date: '2019-05-05' },
+          { author_name: 'Carlson', author_email: 'jawnnypoo@gmail.com', date: '2019-03-03' },
+          { author_name: 'Carlson', author_email: 'jawnnypoo@gmail.com', date: '2019-05-05' },
+          { author_name: 'John', author_email: 'jawnnypoo@gmail.com', date: '2019-04-04' },
+          { author_name: 'John', author_email: 'jawnnypoo@gmail.com', date: '2019-04-04' },
+          { author_name: 'John', author_email: 'jawnnypoo@gmail.com', date: '2019-03-03' },
+        ];
+        parsed = getters.parsedData(state);
+      });
+
+      it('should group contributions by date ', () => {
+        expect(parsed.total).toMatchObject({ '2019-05-05': 3, '2019-03-03': 2, '2019-04-04': 2 });
+      });
+
+      it('should group contributions by author ', () => {
+        expect(parsed.byAuthor).toMatchObject({
+          Carlson: {
+            email: 'jawnnypoo@gmail.com',
+            commits: 2,
+            dates: {
+              '2019-03-03': 1,
+              '2019-05-05': 1,
+            },
+          },
+          John: {
+            email: 'jawnnypoo@gmail.com',
+            commits: 5,
+            dates: {
+              '2019-03-03': 1,
+              '2019-04-04': 2,
+              '2019-05-05': 2,
+            },
+          },
+        });
+      });
+    });
+  });
+});
+
+// prevent babel-plugin-rewire from generating an invalid default during karma tests
+export default () => {};

spec/frontend/contributors/store/mutations_spec.js

+import state from '~/contributors/stores/state';
+import mutations from '~/contributors/stores/mutations';
+import * as types from '~/contributors/stores/mutation_types';
+
+describe('Contributors mutations', () => {
+  let stateCopy;
+
+  beforeEach(() => {
+    stateCopy = state();
+  });
+
+  describe('SET_LOADING_STATE', () => {
+    it('should set loading flag', () => {
+      const loading = true;
+      mutations[types.SET_LOADING_STATE](stateCopy, loading);
+
+      expect(stateCopy.loading).toEqual(loading);
+    });
+  });
+
+  describe('SET_CHART_DATA', () => {
+    const chartData = { '2017-11': 0, '2017-12': 2 };
+
+    it('should set chart data', () => {
+      mutations[types.SET_CHART_DATA](stateCopy, chartData);
+
+      expect(stateCopy.chartData).toEqual(chartData);
+    });
+  });
+
+  describe('SET_ACTIVE_BRANCH', () => {
+    it('should set search query', () => {
+      const branch = 'feature-branch';
+
+      mutations[types.SET_ACTIVE_BRANCH](stateCopy, branch);
+
+      expect(stateCopy.branch).toEqual(branch);
+    });
+  });
+});

spec/frontend/contributors/utils_spec.js

+import * as utils from '~/contributors/utils';
+
+describe('Contributors Util Functions', () => {
+  describe('xAxisLabelFormatter', () => {
+    it('should return year if the date is in January', () => {
+      expect(utils.xAxisLabelFormatter(new Date('01-12-2019'))).toEqual('2019');
+    });
+
+    it('should return month name otherwise', () => {
+      expect(utils.xAxisLabelFormatter(new Date('12-02-2019'))).toEqual('Dec');
+      expect(utils.xAxisLabelFormatter(new Date('07-12-2019'))).toEqual('Jul');
+    });
+  });
+
+  describe('dateFormatter', () => {
+    it('should format provided date to YYYY-MM-DD format', () => {
+      expect(utils.dateFormatter(new Date('December 17, 1995 03:24:00'))).toEqual('1995-12-17');
+      expect(utils.dateFormatter(new Date(1565308800000))).toEqual('2019-08-09');
+    });
+  });
+});

spec/frontend/lib/utils/datetime_utility_spec.js

@@ -441,3 +441,34 @@ describe('getDateInPast', () => {
     expect(date).toStrictEqual(new Date(1563235200000));
   });
 });
+
+describe('getDatesInRange', () => {
+  it('returns an empty array if 1st or 2nd argument is not a Date object', () => {
+    const d1 = new Date('2019-01-01');
+    const d2 = 90;
+    const range = datetimeUtility.getDatesInRange(d1, d2);
+
+    expect(range).toEqual([]);
+  });
+
+  it('returns a range of dates between two given dates', () => {
+    const d1 = new Date('2019-01-01');
+    const d2 = new Date('2019-01-31');
+
+    const range = datetimeUtility.getDatesInRange(d1, d2);
+
+    expect(range.length).toEqual(31);
+  });
+
+  it('applies mapper function if provided fro each item in range', () => {
+    const d1 = new Date('2019-01-01');
+    const d2 = new Date('2019-01-31');
+    const formatter = date => date.getDate();
+
+    const range = datetimeUtility.getDatesInRange(d1, d2, formatter);
+
+    range.forEach((formattedItem, index) => {
+      expect(formattedItem).toEqual(index + 1);
+    });
+  });
+});

spec/javascripts/graphs/stat_graph_contributors_graph_spec.js

-/* eslint-disable jasmine/no-suite-dupes, vars-on-top, no-var */
-
-import { scaleLinear, scaleTime } from 'd3-scale';
-import { timeParse } from 'd3-time-format';
-import {
-  ContributorsGraph,
-  ContributorsMasterGraph,
-} from '~/pages/projects/graphs/show/stat_graph_contributors_graph';
-
-const d3 = { scaleLinear, scaleTime, timeParse };
-
-describe('ContributorsGraph', function() {
-  describe('#set_x_domain', function() {
-    it('set the x_domain', function() {
-      ContributorsGraph.set_x_domain(20);
-
-      expect(ContributorsGraph.prototype.x_domain).toEqual(20);
-    });
-  });
-
-  describe('#set_y_domain', function() {
-    it('sets the y_domain', function() {
-      ContributorsGraph.set_y_domain([{ commits: 30 }]);
-
-      expect(ContributorsGraph.prototype.y_domain).toEqual([0, 30]);
-    });
-  });
-
-  describe('#init_x_domain', function() {
-    it('sets the initial x_domain', function() {
-      ContributorsGraph.init_x_domain([{ date: '2013-01-31' }, { date: '2012-01-31' }]);
-
-      expect(ContributorsGraph.prototype.x_domain).toEqual(['2012-01-31', '2013-01-31']);
-    });
-  });
-
-  describe('#init_y_domain', function() {
-    it('sets the initial y_domain', function() {
-      ContributorsGraph.init_y_domain([{ commits: 30 }]);
-
-      expect(ContributorsGraph.prototype.y_domain).toEqual([0, 30]);
-    });
-  });
-
-  describe('#init_domain', function() {
-    it('calls init_x_domain and init_y_domain', function() {
-      spyOn(ContributorsGraph, 'init_x_domain');
-      spyOn(ContributorsGraph, 'init_y_domain');
-      ContributorsGraph.init_domain();
-
-      expect(ContributorsGraph.init_x_domain).toHaveBeenCalled();
-      expect(ContributorsGraph.init_y_domain).toHaveBeenCalled();
-    });
-  });
-
-  describe('#set_dates', function() {
-    it('sets the dates', function() {
-      ContributorsGraph.set_dates('2013-12-01');
-
-      expect(ContributorsGraph.prototype.dates).toEqual('2013-12-01');
-    });
-  });
-
-  describe('#set_x_domain', function() {
-    it("sets the instance's x domain using the prototype's x_domain", function() {
-      ContributorsGraph.prototype.x_domain = 20;
-      var instance = new ContributorsGraph();
-      instance.x = d3
-        .scaleTime()
-        .range([0, 100])
-        .clamp(true);
-      spyOn(instance.x, 'domain');
-      instance.set_x_domain();
-
-      expect(instance.x.domain).toHaveBeenCalledWith(20);
-    });
-  });
-
-  describe('#set_y_domain', function() {
-    it("sets the instance's y domain using the prototype's y_domain", function() {
-      ContributorsGraph.prototype.y_domain = 30;
-      var instance = new ContributorsGraph();
-      instance.y = d3
-        .scaleLinear()
-        .range([100, 0])
-        .nice();
-      spyOn(instance.y, 'domain');
-      instance.set_y_domain();
-
-      expect(instance.y.domain).toHaveBeenCalledWith(30);
-    });
-  });
-
-  describe('#set_domain', function() {
-    it('calls set_x_domain and set_y_domain', function() {
-      var instance = new ContributorsGraph();
-      spyOn(instance, 'set_x_domain');
-      spyOn(instance, 'set_y_domain');
-      instance.set_domain();
-
-      expect(instance.set_x_domain).toHaveBeenCalled();
-      expect(instance.set_y_domain).toHaveBeenCalled();
-    });
-  });
-
-  describe('#set_data', function() {
-    it('sets the data', function() {
-      var instance = new ContributorsGraph();
-      instance.set_data('20');
-
-      expect(instance.data).toEqual('20');
-    });
-  });
-});
-
-describe('ContributorsMasterGraph', function() {
-  // TODO: fix or remove
-  // describe("#process_dates", function () {
-  //   it("gets and parses dates", function () {
-  //     var graph = new ContributorsMasterGraph();
-  //     var data = 'random data here';
-  //     spyOn(graph, 'parse_dates');
-  //     spyOn(graph, 'get_dates').andReturn("get");
-  //     spyOn(ContributorsGraph,'set_dates').andCallThrough();
-  //     graph.process_dates(data);
-  //     expect(graph.parse_dates).toHaveBeenCalledWith(data);
-  //     expect(graph.get_dates).toHaveBeenCalledWith(data);
-  //     expect(ContributorsGraph.set_dates).toHaveBeenCalledWith("get");
-  //   });
-  // });
-
-  describe('#get_dates', function() {
-    it('plucks the date field from data collection', function() {
-      var graph = new ContributorsMasterGraph();
-      var data = [{ date: '2013-01-01' }, { date: '2012-12-15' }];
-
-      expect(graph.get_dates(data)).toEqual(['2013-01-01', '2012-12-15']);
-    });
-  });
-
-  describe('#parse_dates', function() {
-    it('parses the dates', function() {
-      var graph = new ContributorsMasterGraph();
-      var parseDate = d3.timeParse('%Y-%m-%d');
-      var data = [{ date: '2013-01-01' }, { date: '2012-12-15' }];
-      var correct = [{ date: parseDate(data[0].date) }, { date: parseDate(data[1].date) }];
-      graph.parse_dates(data);
-
-      expect(data).toEqual(correct);
-    });
-  });
-});

spec/javascripts/graphs/stat_graph_contributors_spec.js

-import ContributorsStatGraph from '~/pages/projects/graphs/show/stat_graph_contributors';
-import { ContributorsGraph } from '~/pages/projects/graphs/show/stat_graph_contributors_graph';
-
-import { setLanguage } from '../helpers/locale_helper';
-
-describe('ContributorsStatGraph', () => {
-  describe('change_date_header', () => {
-    beforeAll(() => {
-      setLanguage('de');
-    });
-
-    afterAll(() => {
-      setLanguage(null);
-    });
-
-    it('uses the locale to display date ranges', () => {
-      ContributorsGraph.init_x_domain([{ date: '2013-01-31' }, { date: '2012-01-31' }]);
-      setFixtures('<div id="date_header"></div>');
-      const graph = new ContributorsStatGraph();
-
-      graph.change_date_header();
-
-      expect(document.getElementById('date_header').innerText).toBe(
-        '31. Januar 2012 – 31. Januar 2013',
-      );
-    });
-  });
-});