使用Javascript将Clojure脚本解析为JSON

Question

I have a clojure data in the form of clojure format.

[{:dt [2017 6 30], :cashflow 431782} {:dt [2018 6 30], :cashflow 452271} {:dt [2019 6 30], :cashflow 473785} {:dt [2020 6 30], :cashflow 496374}]

I want the above clojure data in the form json. from clojure side i can always use Cheshire. But I would like tto do it on the lient side in javascript

Answer 1

As illustrated in this question ( cljs.reader/read-string ) and this ( clj->js ) the following should do the trick:

cljs.user=> (def data-as-str 
  "[{:dt [2017 6 30], :cashflow 431782}
    {:dt [2018 6 30], :cashflow 452271}
    {:dt [2019 6 30], :cashflow 473785}
    {:dt [2020 6 30], :cashflow 496374}]")
#'cljs.user/data-as-str

cljs.user=> (cljs.reader/read-string data-as-str)
[{:dt [2017 6 30], :cashflow 431782}
 {:dt [2018 6 30], :cashflow 452271}
 {:dt [2019 6 30], :cashflow 473785}
 {:dt [2020 6 30], :cashflow 496374}]

; i have little experience in cljs but this should deliver
; a plain old js object
cljs.user=> (clj->js (cljs.reader/read-string data-as-str))
#js [#js {:dt #js [2017 6 30], :cashflow 431782}
     #js {:dt #js [2018 6 30], :cashflow 452271}
     #js {:dt #js [2019 6 30], :cashflow 473785}
     #js {:dt #js [2020 6 30], :cashflow 496374}]

from here on you could do whatever JSON.___ or other js-json lib provides

for example:

cljs.user=> (.stringify js/JSON 
              (clj->js (cljs.reader/read-string data-as-str)))
"[{\"dt\":[2017,6,30],\"cashflow\":431782},{\"dt\":[2018,6,30],\"cashflow\":452271},{\"dt\":[2019,6,30],\"cashflow\":473785},{\"dt\":[2020,6,30],\"cashflow\":496374}]"

Answer 2

您可以使用在JavaScript中实现的EDN解析器： github.com/shaunxcode/jsedn 。