holyjak

Various, unsorted notes from using and struggling with Pathom 3 with Fulcro.

Troubleshooting P3/F

Troubleshooting auto-generated Fulcro RAD id resolvers in Pathom 3

When something doesn’t work, I try to simplify it as much as possible. Often it starts working at some point. Then I try to find the exact point where it starts/stop working by bringing the broken and working alternatives closer together. And this is exactly what I did when my auto-generated RAD id-resolver did not return the expected data. It might be useful to know the steps along this path for any future troubleshooting.

This problem has two dimensions - the parser and the resolver. Here I move mostly along the parser dimension, while in the end I discovered the problem was with the resolver. Still, it is a valuable knowledge.

holyjak

#!/usr/bin/env bb
(ns oidc-client
  "Get end-user access token from an OIDC provider, caching the access/refresh token in an encrypted file. Code in https://babashka.org
   Usage:
   
       /path/to/oidc_client.clj
   
   When there are no cached, valid tokens, it will open a browser with the OIDC provider login URL and start a HTTPS-enabled
   callback server on localhost. Make sure that the resulting redirect_uri is registered with your provider.
  

holyjak

#!/usr/bin/env -S gnuplot --persist -c
# Plot memory and CPU usage over time. Usage:
#  usage-plot.gp <input file> [<output .png file>]
# where the input file has the columns `<unix time> <memory, with m/g suffix> <% cpu>`
# To create the input file, see https://gist.github.com/jakubholynet/931a3441982c833f5f8fcdcf54d05c91

# Arguments:
infile=ARG1
outfile=ARG2
set term x11

holyjak

#post a.anchor, #custom-page a.anchor {
  float: left;
  padding-right: 4px;
  margin-left: -20px;
}

holyjak

#!/usr/bin/env python3
# See https://gist.github.com/teasherm/bb73f21ed2f3b46bc1c2ca48ec2c1cf5
import argparse
import os

import boto3


class S3MultipartUpload(object):
  # AWS throws EntityTooSmall error for parts smaller than 5 MB

holyjak

A sample gist that can be loaded into the SCI Playground.

DON'T DELETE! - referred to by the playground.

holyjak

;; Based on https://github.com/borkdude/fly_io_clojure
(ns build
  (:require [clojure.tools.build.api :as b]))

(def lib 'cz.holyjak.rohan-erp/app)
(def version "0.0.1")
(def class-dir "target/classes")
(def basis (b/create-basis {:project "deps.edn"}))
(def uber-file (format "target/%s-%s-standalone.jar" (name lib) version))
(def jar-file (format "target/%s-%s.jar" (name lib) version))

holyjak

Unsorted notes on Fulcro RAD.

Reports

Displaying to-one :ref attributes

Tony advises:

There are two primary ways to do this. If it is a true to one relationship, then you can simply make a resolver from person ID to address ID in pathom and then you can just include address things as columns. The other option, which works for any cardinality, is to use the report option ro/column-EQL and write a join that pulls the information you want to format in the column, and then supply a column formatter to do the formatting of the nested data.

holyjak

Fulcro Field Notes

Assorted notes from learning and experimenting with Fulcro.

My blog posts

• Using React.forwardRef in Fulcro (and rendering a Fulcro component from a JS one)

• and couple more…​

Learning tips

holyjak

#!/usr/bin/env bb
#_" -*- mode: clojure; -*-"
;; Based on https://github.com/babashka/babashka/blob/master/examples/image_viewer.clj

(ns http-server
  (:require [babashka.fs :as fs]
            [clojure.java.browse :as browse]
            [clojure.string :as str]
            [clojure.tools.cli :refer [parse-opts]]
            [org.httpkit.server :as server]