capped_map
v3.0.2
Published
es6 Maps with a maximum size. When the maximum size is reached, the oldest entries are deleted first.
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Install
npm install --save capped_map
Use
Provide a maximum size to the constructor. When the map reaches that size, adding a new entry will cause the oldest entry to be deleted.
const makeCappedMap = require('capped_map')
const assert = require('assert')
let map = makeCappedMap(new Map(), 1)
map.set(1, 1)
assert.strictEqual(map.get(1), 1)
map.set(2, 2)
assert.strictEqual(map.size, 1)
assert.strictEqual(map.has(1), false)
assert.strictEqual(map.get(2), 2)