set color for plugins; but not work

[ssssyq1123]

Hi, I want to customize the color for each line in bed file.
In my bedfile, I write the color in rgb format like
chr1 121976286 127006099 ASat 0 - 121976286 121976393 137,22,64
chr1 127011030 127020646 HSat2 0 - 127011030 127020646 50,51,102
chr1 127022782 127028628 HSat2 0 + 127022782 127028628 50,51,102
chr1 127090668 128516244 HSat2 0 + 127090668 128516244 50,51,102

Since I have a color callback that has a lot of logic in it, I followed the section "Making sophisticated color callbacks#

my plugin look like

// myplugin.js
;(function () {
  class MyPlugin {
    install() {}
    configure(pluginManager) {
      pluginManager.jexl.addFunction('colorFeature', feature => {
        let type = feature.get('type')
        if (type === 'ASat') {
          return 'red'
        } else if (type === 'HSat1A') {
          return 'blue'
        } else if (type === 'HSat1B') {
          return 'blue'
        } else if (type === 'HSat2') {
          return 'green'
        } else if (type === 'HSat3') {
          return 'orange'
        } else if (type === 'BSat') {
          return 'pink'
        } else if (type === 'GSat') {
          return 'yellow'
        } else {
          return 'grey'
        }
      })
    }
  }

  // the plugin will be included in both the main thread and web worker, so
  // install plugin to either window or self (webworker global scope)
  ;(typeof self !== 'undefined' ? self : window).JBrowsePluginMyPlugin = {
    default: MyPlugin,
  }
})()

then I add track like
jbrowse add-track ~/MF2_mat.round1.merged.cenanno.bb --load copy --out ~/jbrowse2/data --assemblyNames MF2 --config '{"displays": [{"displayId": "sy", "type": "LinearBasicDisplay", "renderer": {"color1": "jexl:colorFeature(feature)" }}]}' --force

it displays all grey blocks,

I tested and looked for all related disscusions

1. I tested
   jbrowse add-track ~/MF2_mat.round1.merged.cenanno.bb --load copy --out ~/jbrowse2/data --assemblyNames MF2 --config '{"displays": [{"displayId": "sy", "type": "LinearBasicDisplay", "renderer": {"color1": "jexl:get(feature,'field3')=='ASat'?'red':'blue'" }}]}' --force

Then it shows all blue

so I think it seems work with simple logic, however, what's wrong in my 'myplugin.js'?
best
x

[ssssyq1123]

I solved it,
let type = feature.get('name') will get the column 4 in bedfile.