From b6014b1d22065b664ffcf94ecb208cd94e26e99b Mon Sep 17 00:00:00 2001 From: Amio Date: Sat, 23 Jun 2018 16:29:48 +0800 Subject: [PATCH] Add lru-cache to service --- package-lock.json | 156 ---------------------------------------------- package.json | 1 + service.js | 13 +++- 3 files changed, 13 insertions(+), 157 deletions(-) diff --git a/package-lock.json b/package-lock.json index 9ffad65..1102eb0 100644 --- a/package-lock.json +++ b/package-lock.json @@ -4,109 +4,6 @@ "lockfileVersion": 1, "requires": true, "dependencies": { - "@babel/code-frame": { - "version": "7.0.0-beta.44", - "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0-beta.44.tgz", - "integrity": "sha512-cuAuTTIQ9RqcFRJ/Y8PvTh+paepNcaGxwQwjIDRWPXmzzyAeCO4KqS9ikMvq0MCbRk6GlYKwfzStrcP3/jSL8g==", - "dev": true, - "requires": { - "@babel/highlight": "7.0.0-beta.44" - } - }, - "@babel/generator": { - "version": "7.0.0-beta.44", - "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.0.0-beta.44.tgz", - "integrity": "sha512-5xVb7hlhjGcdkKpMXgicAVgx8syK5VJz193k0i/0sLP6DzE6lRrU1K3B/rFefgdo9LPGMAOOOAWW4jycj07ShQ==", - "dev": true, - "requires": { - "@babel/types": "7.0.0-beta.44", - "jsesc": "^2.5.1", - "lodash": "^4.2.0", - "source-map": "^0.5.0", - "trim-right": "^1.0.1" - } - }, - "@babel/helper-function-name": { - "version": "7.0.0-beta.44", - "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.44.tgz", - "integrity": "sha512-MHRG2qZMKMFaBavX0LWpfZ2e+hLloT++N7rfM3DYOMUOGCD8cVjqZpwiL8a0bOX3IYcQev1ruciT0gdFFRTxzg==", - "dev": true, - "requires": { - "@babel/helper-get-function-arity": "7.0.0-beta.44", - "@babel/template": "7.0.0-beta.44", - "@babel/types": "7.0.0-beta.44" - } - }, - "@babel/helper-get-function-arity": { - "version": "7.0.0-beta.44", - "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.44.tgz", - "integrity": "sha512-w0YjWVwrM2HwP6/H3sEgrSQdkCaxppqFeJtAnB23pRiJB5E/O9Yp7JAAeWBl+gGEgmBFinnTyOv2RN7rcSmMiw==", - "dev": true, - "requires": { - "@babel/types": "7.0.0-beta.44" - } - }, - "@babel/helper-split-export-declaration": { - "version": "7.0.0-beta.44", - "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-beta.44.tgz", - "integrity": "sha512-aQ7QowtkgKKzPGf0j6u77kBMdUFVBKNHw2p/3HX/POt5/oz8ec5cs0GwlgM8Hz7ui5EwJnzyfRmkNF1Nx1N7aA==", - "dev": true, - "requires": { - "@babel/types": "7.0.0-beta.44" - } - }, - "@babel/highlight": { - "version": "7.0.0-beta.44", - "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0-beta.44.tgz", - "integrity": "sha512-Il19yJvy7vMFm8AVAh6OZzaFoAd0hbkeMZiX3P5HGD+z7dyI7RzndHB0dg6Urh/VAFfHtpOIzDUSxmY6coyZWQ==", - "dev": true, - "requires": { - "chalk": "^2.0.0", - "esutils": "^2.0.2", - "js-tokens": "^3.0.0" - } - }, - "@babel/template": { - "version": "7.0.0-beta.44", - "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.0.0-beta.44.tgz", - "integrity": "sha512-w750Sloq0UNifLx1rUqwfbnC6uSUk0mfwwgGRfdLiaUzfAOiH0tHJE6ILQIUi3KYkjiCDTskoIsnfqZvWLBDng==", - "dev": true, - "requires": { - "@babel/code-frame": "7.0.0-beta.44", - "@babel/types": "7.0.0-beta.44", - "babylon": "7.0.0-beta.44", - "lodash": "^4.2.0" - } - }, - "@babel/traverse": { - "version": "7.0.0-beta.44", - "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.0.0-beta.44.tgz", - "integrity": "sha512-UHuDz8ukQkJCDASKHf+oDt3FVUzFd+QYfuBIsiNu/4+/ix6pP/C+uQZJ6K1oEfbCMv/IKWbgDEh7fcsnIE5AtA==", - "dev": true, - "requires": { - "@babel/code-frame": "7.0.0-beta.44", - "@babel/generator": "7.0.0-beta.44", - "@babel/helper-function-name": "7.0.0-beta.44", - "@babel/helper-split-export-declaration": "7.0.0-beta.44", - "@babel/types": "7.0.0-beta.44", - "babylon": "7.0.0-beta.44", - "debug": "^3.1.0", - "globals": "^11.1.0", - "invariant": "^2.2.0", - "lodash": "^4.2.0" - } - }, - "@babel/types": { - "version": "7.0.0-beta.44", - "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.0.0-beta.44.tgz", - "integrity": "sha512-5eTV4WRmqbaFM3v9gHAIljEQJU4Ssc6fxL61JN+Oe2ga/BwyjzjamwkCVVAQjHGuAX8i0BWo42dshL8eO5KfLQ==", - "dev": true, - "requires": { - "esutils": "^2.0.2", - "lodash": "^4.2.0", - "to-fast-properties": "^2.0.0" - } - }, "acorn": { "version": "5.7.1", "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.1.tgz", @@ -286,26 +183,6 @@ } } }, - "babel-eslint": { - "version": "8.2.3", - "resolved": "https://registry.npmjs.org/babel-eslint/-/babel-eslint-8.2.3.tgz", - "integrity": "sha512-0HeSTtaXg/Em7FCUWxwOT+KeFSO1O7LuRuzhk7g+1BjwdlQGlHq4OyMi3GqGxrNfEq8jEi6Hmt5ylEQUhurgiQ==", - "dev": true, - "requires": { - "@babel/code-frame": "7.0.0-beta.44", - "@babel/traverse": "7.0.0-beta.44", - "@babel/types": "7.0.0-beta.44", - "babylon": "7.0.0-beta.44", - "eslint-scope": "~3.7.1", - "eslint-visitor-keys": "^1.0.0" - } - }, - "babylon": { - "version": "7.0.0-beta.44", - "resolved": "https://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.44.tgz", - "integrity": "sha512-5Hlm13BJVAioCHpImtFqNOF2H3ieTOHd0fmFGMxOJ9jgeFqeAwsv3u5P5cR7CSeFrkgHsT19DgFJkHV0/Mcd8g==", - "dev": true - }, "balanced-match": { "version": "1.0.0", "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz", @@ -1250,15 +1127,6 @@ "through": "^2.3.6" } }, - "invariant": { - "version": "2.2.4", - "resolved": "https://registry.npmjs.org/invariant/-/invariant-2.2.4.tgz", - "integrity": "sha512-phJfQVBuaJM5raOpJjSfkiD6BpbCE4Ns//LaXl6wGYtUBY83nWS6Rf9tXm2e8VaK60JEjYldbPif/A2B1C2gNA==", - "dev": true, - "requires": { - "loose-envify": "^1.0.0" - } - }, "is-arrayish": { "version": "0.2.1", "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz", @@ -1390,12 +1258,6 @@ "dev": true, "optional": true }, - "jsesc": { - "version": "2.5.1", - "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-2.5.1.tgz", - "integrity": "sha1-5CGiqOINawgZ3yiQj3glJrlt0f4=", - "dev": true - }, "json-parse-better-errors": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz", @@ -4759,12 +4621,6 @@ "is-fullwidth-code-point": "^2.0.0" } }, - "source-map": { - "version": "0.5.7", - "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz", - "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=", - "dev": true - }, "source-map-support": { "version": "0.5.6", "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.6.tgz", @@ -5066,12 +4922,6 @@ "os-tmpdir": "~1.0.2" } }, - "to-fast-properties": { - "version": "2.0.0", - "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz", - "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=", - "dev": true - }, "tough-cookie": { "version": "2.3.4", "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz", @@ -5081,12 +4931,6 @@ "punycode": "^1.4.1" } }, - "trim-right": { - "version": "1.0.1", - "resolved": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz", - "integrity": "sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=", - "dev": true - }, "trivial-deferred": { "version": "1.0.1", "resolved": "https://registry.npmjs.org/trivial-deferred/-/trivial-deferred-1.0.1.tgz", diff --git a/package.json b/package.json index cfb9fdc..a93334b 100644 --- a/package.json +++ b/package.json @@ -14,6 +14,7 @@ }, "devDependencies": { "find-my-way": "^1.13.0", + "lru-cache": "^4.1.3", "standard": "^11.0.1", "tap": "^12.0.1" } diff --git a/service.js b/service.js index 6f34c36..19732e2 100644 --- a/service.js +++ b/service.js @@ -1,10 +1,21 @@ const http = require('http') const router = require('find-my-way')() const badgen = require('./lib/index') +const LRU = require('lru-cache') + +const cache = new LRU({ max: 1000 }) function serveBadge (req, res, params) { res.writeHead(200, { 'Content-Type': 'image/svg+xml;charset=utf-8' }) - res.end(badgen(params)) + + const cached = cache.get(req.url) + if (cached) { + res.end(cached) + } else { + const created = badgen(params) + cache.set(req.url, created) + res.end(created) + } } function redirect (req, res) {