fix: Resolve TypeScript errors

Signed-off-by: Hermes Agent <hermes@nosuchhost>

client/node_modules/abstract-leveldown/test/clear-range-test.js

@@ -0,0 +1,258 @@
+var concat = require('level-concat-iterator')
+
+var data = (function () {
+  var d = []
+  var i = 0
+  var k
+  for (; i < 100; i++) {
+    k = (i < 10 ? '0' : '') + i
+    d.push({
+      key: k,
+      value: String(Math.random())
+    })
+  }
+  return d
+}())
+
+exports.setUp = function (test, testCommon) {
+  test('setUp common', testCommon.setUp)
+}
+
+exports.range = function (test, testCommon) {
+  function rangeTest (name, opts, expected) {
+    test('db#clear() with ' + name, function (t) {
+      prepare(t, function (db) {
+        db.clear(opts, function (err) {
+          t.ifError(err, 'no clear error')
+          verify(t, db, expected)
+        })
+      })
+    })
+  }
+
+  function prepare (t, callback) {
+    var db = testCommon.factory()
+
+    db.open(function (err) {
+      t.ifError(err, 'no open error')
+
+      db.batch(data.map(function (d) {
+        return {
+          type: 'put',
+          key: d.key,
+          value: d.value
+        }
+      }), function (err) {
+        t.ifError(err, 'no batch error')
+        callback(db)
+      })
+    })
+  }
+
+  function verify (t, db, expected) {
+    var it = db.iterator({ keyAsBuffer: false, valueAsBuffer: false })
+
+    concat(it, function (err, result) {
+      t.ifError(err, 'no concat error')
+      t.is(result.length, expected.length, 'correct number of entries')
+      t.same(result, expected)
+
+      db.close(t.end.bind(t))
+    })
+  }
+
+  function exclude (data, start, end, expectedLength) {
+    data = data.slice()
+    var removed = data.splice(start, end - start + 1) // Inclusive
+    if (expectedLength != null) checkLength(removed, expectedLength)
+    return data
+  }
+
+  // For sanity checks on test arguments
+  function checkLength (arr, length) {
+    if (arr.length !== length) {
+      throw new RangeError('Expected ' + length + ' elements, got ' + arr.length)
+    }
+
+    return arr
+  }
+
+  rangeTest('full range', {}, [])
+
+  // Reversing has no effect without limit
+  rangeTest('reverse=true', {
+    reverse: true
+  }, [])
+
+  rangeTest('gte=00', {
+    gte: '00'
+  }, [])
+
+  rangeTest('gte=50', {
+    gte: '50'
+  }, data.slice(0, 50))
+
+  rangeTest('lte=50 and reverse=true', {
+    lte: '50',
+    reverse: true
+  }, data.slice(51))
+
+  rangeTest('gte=49.5 (midway)', {
+    gte: '49.5'
+  }, data.slice(0, 50))
+
+  rangeTest('gte=49999 (midway)', {
+    gte: '49999'
+  }, data.slice(0, 50))
+
+  rangeTest('lte=49.5 (midway) and reverse=true', {
+    lte: '49.5',
+    reverse: true
+  }, data.slice(50))
+
+  rangeTest('lt=49.5 (midway) and reverse=true', {
+    lt: '49.5',
+    reverse: true
+  }, data.slice(50))
+
+  rangeTest('lt=50 and reverse=true', {
+    lt: '50',
+    reverse: true
+  }, data.slice(50))
+
+  rangeTest('lte=50', {
+    lte: '50'
+  }, data.slice(51))
+
+  rangeTest('lte=50.5 (midway)', {
+    lte: '50.5'
+  }, data.slice(51))
+
+  rangeTest('lte=50555 (midway)', {
+    lte: '50555'
+  }, data.slice(51))
+
+  rangeTest('lt=50555 (midway)', {
+    lt: '50555'
+  }, data.slice(51))
+
+  rangeTest('gte=50.5 (midway) and reverse=true', {
+    gte: '50.5',
+    reverse: true
+  }, data.slice(0, 51))
+
+  rangeTest('gt=50.5 (midway) and reverse=true', {
+    gt: '50.5',
+    reverse: true
+  }, data.slice(0, 51))
+
+  rangeTest('gt=50 and reverse=true', {
+    gt: '50',
+    reverse: true
+  }, data.slice(0, 51))
+
+  // Starting key is actually '00' so it should avoid it
+  rangeTest('lte=0', {
+    lte: '0'
+  }, data)
+
+  // Starting key is actually '00' so it should avoid it
+  rangeTest('lt=0', {
+    lt: '0'
+  }, data)
+
+  rangeTest('gte=30 and lte=70', {
+    gte: '30',
+    lte: '70'
+  }, exclude(data, 30, 70))
+
+  rangeTest('gt=29 and lt=71', {
+    gt: '29',
+    lt: '71'
+  }, exclude(data, 30, 70))
+
+  rangeTest('gte=30 and lte=70 and reverse=true', {
+    lte: '70',
+    gte: '30',
+    reverse: true
+  }, exclude(data, 30, 70))
+
+  rangeTest('gt=29 and lt=71 and reverse=true', {
+    lt: '71',
+    gt: '29',
+    reverse: true
+  }, exclude(data, 30, 70))
+
+  rangeTest('limit=20', {
+    limit: 20
+  }, data.slice(20))
+
+  rangeTest('limit=20 and gte=20', {
+    limit: 20,
+    gte: '20'
+  }, exclude(data, 20, 39, 20))
+
+  rangeTest('limit=20 and reverse=true', {
+    limit: 20,
+    reverse: true
+  }, data.slice(0, -20))
+
+  rangeTest('limit=20 and lte=79 and reverse=true', {
+    limit: 20,
+    lte: '79',
+    reverse: true
+  }, exclude(data, 60, 79, 20))
+
+  rangeTest('limit=-1 should clear whole database', {
+    limit: -1
+  }, [])
+
+  rangeTest('limit=0 should not clear anything', {
+    limit: 0
+  }, data)
+
+  rangeTest('lte after limit', {
+    limit: 20,
+    lte: '50'
+  }, data.slice(20))
+
+  rangeTest('lte before limit', {
+    limit: 50,
+    lte: '19'
+  }, data.slice(20))
+
+  rangeTest('gte after database end', {
+    gte: '9a'
+  }, data)
+
+  rangeTest('gt after database end', {
+    gt: '9a'
+  }, data)
+
+  rangeTest('lte after database end and reverse=true', {
+    lte: '9a',
+    reverse: true
+  }, [])
+
+  rangeTest('lte and gte after database and reverse=true', {
+    lte: '9b',
+    gte: '9a',
+    reverse: true
+  }, data)
+
+  rangeTest('lt and gt after database and reverse=true', {
+    lt: '9b',
+    gt: '9a',
+    reverse: true
+  }, data)
+}
+
+exports.tearDown = function (test, testCommon) {
+  test('tearDown', testCommon.tearDown)
+}
+
+exports.all = function (test, testCommon) {
+  exports.setUp(test, testCommon)
+  exports.range(test, testCommon)
+  exports.tearDown(test, testCommon)
+}