jbr/sibilant

Javascript with a lisp

motivate

@motivate:matrix.org

[m]

Can you help me with this how to convert it to array?

Jacob Rothstein

@jbr

Oh you can use Object.entries now, I forgot about that

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/entries

So use sort on the entries of that object

Ha Nguyen

@iamha1

Hi team! I was given a task on sibilant, and I have such difficulty learning it. Would any of you be able to help me?

Jacob Rothstein

@jbr

@iamha1 there’s a good chance it’s the same task other folks have been looking for help with, so scrolling up will likely yield answers. If you still have specific questions, ask away

Ha Nguyen

@iamha1

@jbr Thank you so much! Let me do that!

Ha Nguyen

@iamha1

Guys, would you be able to help me how to sort a key-value pair. For example:

;1 declare tasks

(var tasks { 2 “eat breakfast”, 3 “go to work”, 1 "get up” })

;2 sort each task

tasks.sort [2 3 1] (# (a b) (- a b)))

Jacob Rothstein

@jbr

maybe this? https://gitter.im/jbr/sibilant?at=60b0425c78e1d6477d6c0eb1

how would you do it in javascript?

Ha Nguyen

@iamha1

@jbr var tasks = [
{id: 2 , name: “eat-breakfast”},
{id: 3, name: “go to work”},
{id: 1, name: “get up”}

];

tasks.sort(function (a-b){
return a.id - b.id;
});

This is how i would do in JS.

(I don't think I need a loop, right?! Because if do, I guess I need to create a new object to push the sorted values to). Thank you so much for being patient with me.

Jacob Rothstein

@jbr

 (var tasks [
    {id: 2, name: "eat-breakfast"},
    {id: 3, name: "go to work"},
    {id: 1, name: "get up"}])

(tasks.sort (#(a b) (- a.id b.id)))

that would be the identical code in sibilant — if you paste it into the "try sibilant into your browser" link at the top of docs.sibilant.org, the output is

var tasks = [ {
  id: 2,
  name: "eat-breakfast"
}, {
  id: 3,
  name: "go to work"
}, {
  id: 1,
  name: "get up"
} ];
tasks.sort((function(a, b) {
  /* eval.sibilant:6:12 */

  return (a.id - b.id);
}));

it's equivalent to do

(.sort tasks (#(a b) (- a.id b.id)))

Ha Nguyen

@iamha1

@jbr Thank you so much for helping me! I really appreciate you! :)

Franklin Shih

@fshih1

hello nice to meet everyone here

Jacob Rothstein

@jbr

👋

Franklin Shih

@fshih1

How could i convert a object to an array of tuples ?

or is there any documentation i could refer to?

i just saw your comment above, it says " You need to use Object.keys and Array.prototype.map to turn the object into an array"

I think i will try it out first

Dakota Brown

@da-code-a

Hi all! I'm learning Sibilant right now and I'm not seeing in the docs how to put a value into an array? I see that there's an append, but it was deprecated. Forgive me for silly questions, I've never used a LISP before.

Dakota Brown

@da-code-a

Alright, I can append to the list, but the output isn't what I expected... When I append an object's property to the list, it adds it as ['property_value': undefined] rather than just ["property_value"]

I'm doing (set result (+ result object.property))

Dakota Brown

@da-code-a

@jbr Sorry for the ping, but is it possible to get some help?

Dakota Brown

@da-code-a

Got it, I need to do (assign result (+ result object.property)) instead.

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