remove "oldest" goal type

YAGNI KISS

lib/index.js

@@ -6,8 +6,8 @@ const Obz = require('obz')
  * @typedef {import('ppppp-db').RecPresent} RecPresent
  * @typedef {import('ppppp-db').Tangle} Tangle
  * @typedef {ReturnType<PPPPPDB['getTangle']>} DBTangle
- * @typedef {'none'|'all'|`newest-${number}`|`oldest-${number}`|'record'|'set'} GoalDSL
- * @typedef {'none'|'all'|'newest'|'oldest'|'record'|'set'} GoalType
+ * @typedef {'none'|'all'|`newest-${number}`|'record'|'set'} GoalDSL
+ * @typedef {'none'|'all'|'newest'|'record'|'set'} GoalType
  * @typedef {[number, number]} Range
  * @typedef {{ id: string, type: GoalType, count: number }} Goal
  */
@@ -85,13 +85,6 @@ class GoalImpl {
       return
     }
 
-    const matchO = goalDSL.match(/^oldest-(\d+)$/)
-    if (matchO) {
-      this.#type = 'oldest'
-      this.#count = Number(matchO[1])
-      return
-    }
-
     throw new Error(`Unrecognized goal DSL: ${goalDSL}`)
   }
 
@@ -139,9 +132,6 @@ function initGoals(peer, config) {
       case 'newest':
         const start = Math.max(0, maxDepth - goal.count + 1)
         return [start, maxDepth]
-      case 'oldest':
-        const end = Math.min(maxDepth, goal.count - 1)
-        return [0, end]
     }
   }
 

test/goals.test.js

@@ -79,6 +79,11 @@ test('getRecordPurpose', async (t) => {
     domain: 'post',
     data: { text: 'm2' },
   })
+  const post3 = await p(alice.db.feed.publish)({
+    account: aliceID,
+    domain: 'post',
+    data: { text: 'm3' },
+  })
 
   const feedID = alice.db.feed.getID(aliceID, 'post')
 
@@ -89,8 +94,8 @@ test('getRecordPurpose', async (t) => {
   const purpose = alice.goals.getRecordPurpose(post2)
   assert.equal(purpose, 'goal', 'purpose is "goal"')
 
-  alice.goals.set(feedID, 'oldest-1')
-  assert('set goal to oldest-1')
+  alice.goals.set(feedID, 'newest-1')
+  assert('set goal to newest-1')
   const purpose2 = alice.goals.getRecordPurpose(post2)
   assert.equal(purpose2, 'none', 'purpose2 is "none"')