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lru-cache

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Comparing version 2.7.2 to 2.7.3

20

lib/lru-cache.js

@@ -16,5 +16,8 @@ ;(function () { // closure for web browsers

var didTypeWarning = false
function typeCheckKey(key) {
if (typeof key !== 'string' && typeof key !== 'number')
throw new TypeError("key must be a string or number. " + typeof key)
if (!didTypeWarning && typeof key !== 'string' && typeof key !== 'number') {
didTypeWarning = true
console.error(new TypeError("LRU: key must be a string or number. Almost certainly a bug! " + typeof key).stack)
}
}

@@ -218,5 +221,3 @@

LRUCache.prototype.has = function (key) {
if (typeof key !== 'string' && typeof key !== 'number')
return false
typeCheckKey(key)
if (!hOP(this._cache, key)) return false

@@ -231,4 +232,3 @@ var hit = this._cache[key]

LRUCache.prototype.get = function (key) {
if (typeof key !== 'string' && typeof key !== 'number')
return
typeCheckKey(key)
return get(this, key, true)

@@ -238,4 +238,3 @@ }

LRUCache.prototype.peek = function (key) {
if (typeof key !== 'string' && typeof key !== 'number')
return
typeCheckKey(key)
return get(this, key, false)

@@ -251,4 +250,3 @@ }

LRUCache.prototype.del = function (key) {
if (typeof key !== 'string' && typeof key !== 'number')
return
typeCheckKey(key)
del(this, this._cache[key])

@@ -255,0 +253,0 @@ }

{
"name": "lru-cache",
"description": "A cache object that deletes the least-recently-used items.",
"version": "2.7.2",
"version": "2.7.3",
"author": "Isaac Z. Schlueter <i@izs.me>",

@@ -6,0 +6,0 @@ "keywords": [

@@ -27,2 +27,20 @@ # lru cache

## Keys should always be Strings or Numbers
Note: this module will print warnings to `console.error` if you use a
key that is not a String or Number. Because items are stored in an
object, which coerces keys to a string, it won't go well for you if
you try to use a key that is not a unique string, it'll cause surprise
collisions. For example:
```JavaScript
// Bad Example! Dont' do this!
var cache = LRU()
var a = {}
var b = {}
cache.set(a, 'this is a')
cache.set(b, 'this is b')
console.log(cache.get(a)) // prints: 'this is b'
```
## Options

@@ -29,0 +47,0 @@

@@ -232,3 +232,3 @@ var test = require("tap").test

test("individual item can have its own maxAge", function(t) {
test("individual item can have it's own maxAge", function(t) {
var cache = new LRU({

@@ -246,3 +246,3 @@ max: 5,

test("individual item can have its own maxAge > cache's", function(t) {
test("individual item can have it's own maxAge > cache's", function(t) {
var cache = new LRU({

@@ -399,61 +399,1 @@ max: 5,

})
test("get and set only accepts strings and numbers as keys", function(t) {
var cache = new LRU()
cache.set("key", "value")
cache.set(123, 456)
t.equal(cache.get("key"), "value")
t.equal(cache.get(123), 456)
t.throws(function() {
cache.set({ someObjectKey: true }, "a")
}, "set should not accept objects as keys")
t.throws(function() {
cache.set([1,2,3], "b")
}, "set should not accept arrays as keys")
t.end()
})
test("peek only accepts strings and numbers as keys", function(t) {
var cache = new LRU()
cache.set("key", "value")
cache.set(123, 456)
t.equal(cache.peek("key"), "value")
t.equal(cache.peek(123), 456)
t.end()
})
test("del only accepts strings and numbers as keys", function(t) {
var cache = new LRU()
cache.set("key", "value")
cache.set(123, 456)
cache.del("key")
cache.del(123)
t.assertNot(cache.has("key"))
t.assertNot(cache.has(123))
cache.set('[object Object]', 123)
t.assertNot(cache.has({}))
t.assert(cache.has(String({})))
t.end()
})
test("has only accepts strings and numbers as keys", function(t) {
var cache = new LRU()
cache.has("key")
cache.has(123)
t.end()
})

@@ -16,10 +16,2 @@ var test = require('tap').test

cache.set(123, 456)
t.deepEqual(cache.dump(), [
{ k: 123, v: 456, e: 0 },
{ k: "b", v: "B", e: 0 },
{ k: "a", v: "A", e: 0 },
])
cache.del(123)
cache.set("a", "A");

@@ -100,3 +92,2 @@ t.deepEqual(cache.dump(), [

cache.set("b", "B")
cache.set(123, 456)

@@ -228,22 +219,1 @@ copy.load(cache.dump())

test("type checking of keys during load", function(t) {
var cache = new LRU()
t.throws(function() {
cache.load([{
k: { someObjectKey: true },
v: "B",
e: 0
}])
}, "load should not accept objects as keys")
t.throws(function() {
cache.load([{
k: [1,2,3],
v: "C",
e: 0
}])
}, "load should not accept arrays as keys")
t.end()
})
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