Addnew sheets (armor, weapons, malefica) and v13 support

node_modules/abstract-level/lib/default-chained-batch.js

@@ -0,0 +1,41 @@
+'use strict'
+
+const { AbstractChainedBatch } = require('../abstract-chained-batch')
+const ModuleError = require('module-error')
+const kEncoded = Symbol('encoded')
+
+// Functional default for chained batch, with support of deferred open
+class DefaultChainedBatch extends AbstractChainedBatch {
+  constructor (db) {
+    super(db)
+    this[kEncoded] = []
+  }
+
+  _put (key, value, options) {
+    this[kEncoded].push({ ...options, type: 'put', key, value })
+  }
+
+  _del (key, options) {
+    this[kEncoded].push({ ...options, type: 'del', key })
+  }
+
+  _clear () {
+    this[kEncoded] = []
+  }
+
+  // Assumes this[kEncoded] cannot change after write()
+  _write (options, callback) {
+    if (this.db.status === 'opening') {
+      this.db.defer(() => this._write(options, callback))
+    } else if (this.db.status === 'open') {
+      if (this[kEncoded].length === 0) this.nextTick(callback)
+      else this.db._batch(this[kEncoded], options, callback)
+    } else {
+      this.nextTick(callback, new ModuleError('Batch is not open: cannot call write() after write() or close()', {
+        code: 'LEVEL_BATCH_NOT_OPEN'
+      }))
+    }
+  }
+}
+
+exports.DefaultChainedBatch = DefaultChainedBatch