✨ (lean) add pull system

src/modules/feature/FeatureStep.vue

@@ -18,8 +18,8 @@ const featuresDone = computed(() =>
     .sort((a, b) => (a.leadTime > b.leadTime ? -1 : 1))
 )
 
-const remainingBlueBuckets = computed(() =>
-  Math.max(0, props.step.blueBuckets - featuresDone.value.length)
+const remainingBlueBins = computed(() =>
+  Math.max(0, props.step.blueBins - featuresDone.value.length)
 )
 const hasFeaturesInProgress = computed(
   () => featuresInProgress.value.length > 0
@@ -48,10 +48,10 @@ const isLive = computed(
     <section class="done">
       <h5>📝✅ [{{ featuresDone.length }}]</h5>
       <div>
-        <div class="blue-bin-container">
+        <div v-if="!isLive" class="blue-bin-container">
           <div
-            v-for="blueBucket in remainingBlueBuckets"
-            :key="blueBucket"
+            v-for="blueBin in remainingBlueBins"
+            :key="blueBin"
             class="bin blue-bin"
           >
             Blue bucket

src/modules/feature/FeatureSteps.vue

@@ -17,9 +17,8 @@ onMounted(() => featureStore.initBoard())
       {{ featureStore.meanLeadTime }} days
     </div>
     <div>
-      <button @click="featureStore.nextDay('push')">
-        add feature and next day
-      </button>
+      <button @click="featureStore.nextDay('push')">push system</button>
+      <button @click="featureStore.nextDay('pull')">pull system</button>
       <button @click="featureStore.nextDay('turn-off')">
         next day without new feature
       </button>

src/modules/feature/feature-board.ts

@@ -75,10 +75,12 @@ export const nextDay = ({
   backlog,
   features,
   initialStep,
+  steps,
   strategy
 }: {
   backlog: Feature[]
   features: Feature[]
+  steps: FeatureStep[]
   initialStep: number
   strategy: Strategy
 }): Feature[] => {
@@ -95,7 +97,27 @@ export const nextDay = ({
         feature.status = 'done'
         break
       case 'done':
-        feature.status = 'doing'
+        if (strategy === 'pull') {
+          const nextStep = steps.find(
+            (step) => step.stepIndex === feature.step - 1
+          )
+          if (!nextStep) {
+            break
+          }
+
+          const hasBlueBinAvailableNextStep =
+            nextStep.blueBins -
+              features.filter(
+                (f) => f.step === feature.step - 1 && f.status === 'done'
+              ).length >
+            0
+
+          if (hasBlueBinAvailableNextStep) {
+            feature.status = 'doing'
+          }
+        } else {
+          feature.status = 'doing'
+        }
 
         if (
           hasQualityIssue(
@@ -114,11 +136,39 @@ export const nextDay = ({
     }
   })
 
-  if (strategy === 'push' && features.length < MAX_FEATURES) {
-    const [newFeature] = popNElement(backlog, 1)
+  if (features.length < MAX_FEATURES) {
+    switch (strategy) {
+      case 'push': {
+        const [newFeature] = popNElement(backlog, 1)
 
-    if (newFeature) {
-      features.push({ ...newFeature, step: initialStep })
+        if (newFeature) {
+          features.push({ ...newFeature, step: initialStep })
+        }
+        break
+      }
+      case 'pull': {
+        const firstStep = steps.find((step) => step.stepIndex === initialStep)
+        if (!firstStep) {
+          break
+        }
+
+        const hasBlueBinAvailableOnFirstStep =
+          firstStep.blueBins -
+            features.filter(
+              (f) => f.step === initialStep && f.status === 'done'
+            ).length >
+          0
+
+        if (hasBlueBinAvailableOnFirstStep) {
+          const [newFeature] = popNElement(backlog, 1)
+
+          if (newFeature) {
+            features.push({ ...newFeature, step: initialStep })
+          }
+        }
+      }
+      case 'turn-off':
+        break
     }
   }
 

src/modules/feature/feature-steps.ts

@@ -1,6 +1,6 @@
 export type FeatureStep = {
   title: string
-  blueBuckets: number
+  blueBins: number
   stepIndex: number
 }
 
@@ -8,26 +8,26 @@ export const featureSteps: FeatureStep[] = [
   {
     title: 'Product',
     stepIndex: 4,
-    blueBuckets: 2
+    blueBins: 2
   },
   {
     title: 'Design',
     stepIndex: 3,
-    blueBuckets: 2
+    blueBins: 2
   },
   {
     title: 'Development',
     stepIndex: 2,
-    blueBuckets: 2
+    blueBins: 2
   },
   {
     title: 'Test',
     stepIndex: 1,
-    blueBuckets: 2
+    blueBins: 2
   },
   {
     title: 'Release',
     stepIndex: 0,
-    blueBuckets: 0
+    blueBins: Infinity
   }
 ]

src/modules/feature/store.ts

@@ -19,6 +19,7 @@ const resetMeta = (): State['meta'] => ({
   totalDays: 0,
   strategy: {
     push: 0,
+    pull: 0,
     'turn-off': 0
   }
 })
@@ -41,6 +42,7 @@ export const useFeatureStore = defineStore('feature', {
       this.features = nextDay({
         backlog: this.backlog,
         features: this.features,
+        steps: this.steps,
         initialStep: this.steps[0].stepIndex,
         strategy
       })

src/modules/lean/strategy.ts

@@ -1 +1 @@
-export type Strategy = 'push' | 'turn-off'
+export type Strategy = 'push' | 'pull' | 'turn-off'