added 260907 version of worker toolkit

worker-toolkit-flaredown/repo/frontend/app/components/chart/g-ruler.js

@@ -0,0 +1,45 @@
+import Ember from 'ember';
+
+let {
+  set,
+  computed,
+  Component,
+  getProperties,
+} = Ember;
+
+export default Component.extend({
+  unit: '',
+  tagName: 'g',
+  labelSize: 12,
+  linesOffset: 0,
+
+  init() {
+    this._super(...arguments);
+
+    Ember.run.scheduleOnce('afterRender', () => {
+      const labelsBox = this.$().find('.ruler-labels')[0].getBBox();
+
+      set(this, 'linesOffset', labelsBox.x + labelsBox.width);
+    });
+  },
+
+  rulers: computed('yRulers', function() {
+    const {
+      unit,
+      yScale,
+      labelSize,
+      yRulers,
+    } = getProperties(this, 'unit', 'yScale', 'labelSize', 'yRulers');
+
+    return (yRulers || [])
+      .map(item => {
+        const lineY = yScale(item);
+
+        return {
+          lineY,
+          label: `${item}${unit}`,
+          labelY: lineY + labelSize / 2 - 2,
+        };
+      });
+  }),
+});