| # | |
| # CORS header support | |
| # | |
| # One way to use this is by placing it into a file called "cors_support" | |
| # under your Nginx configuration directory and placing the following | |
| # statement inside your **location** block(s): | |
| # | |
| # include cors_support; | |
| # | |
| # As of Nginx 1.7.5, add_header supports an "always" parameter which |
| (:require [re-frame.core :as re-frame] | |
| [reagent.core :as reagent] | |
| [cljsjs.chartjs]) | |
| (defn show-revenue-chart | |
| [] | |
| (let [context (.getContext (.getElementById js/document "rev-chartjs") "2d") | |
| chart-data {:type "bar" | |
| :data {:labels ["2012" "2013" "2014" "2015" "2016"] | |
| :datasets [{:data [5 10 15 20 25] |
Chaining promises in ClojureScript is best done using the thread-first macro, ->. Here's an example of using the fetch API:
(-> (js/fetch "/data")
(.then (fn [r]
(when-not (.-ok r)
(throw (js/Error. "Could not fetch /data")))
(.json r)))