const colors = [
    'AliceBlue',
    'AntiqueWhite',
    'Aqua',
    'Aquamarine',
    'Azure',
    'Beige',
    'Bisque',
    'Black',
    'BlanchedAlmond',
    'Blue',
    'BlueViolet',
    'Brown',
    'BurlyWood',
    'CadetBlue',
    'Chartreuse',
    'Chocolate',
    'Coral',
    'CornflowerBlue',
    'Cornsilk',
    'Crimson',
    'Cyan',
    'DarkBlue',
    'DarkCyan',
    'DarkGoldenrod',
    'DarkGray',
    'DarkGreen',
    'DarkGrey',
    'DarkKhaki',
    'DarkMagenta',
    'DarkOliveGreen',
    'DarkOrange',
    'DarkOrchid',
    'DarkRed',
    'DarkSalmon',
    'DarkSeaGreen',
    'DarkSlateBlue',
    'DarkSlateGray',
    'DarkSlateGrey',
    'DarkTurquoise',
    'DarkViolet',
    'DeepPink',
    'DeepSkyBlue',
    'DimGray',
    'DodgerBlue',
    'FireBrick',
    'FloralWhite',
    'ForestGreen',
    'Fuchsia',
    'Gainsboro',
    'GhostWhite',
    'Gold',
    'Goldenrod',
    'Gray',
    'Green',
    'GreenYellow',
    'Grey',
    'Honeydew',
    'HotPink',
    'IndianRed',
    'Indigo',
    'Ivory',
    'Khaki',
    'Lavender',
    'LavenderBlush',
    'LawnGreen',
    'LemonChiffon',
    'LightBlue',
    'LightCoral',
    'LightCyan',
    'LightGoldenrodYellow',
    'LightGray',
    'LightGreen',
    'LightGrey',
    'LightPink',
    'LightSalmon',
    'LightSeaGreen',
    'LightSkyBlue',
    'LightSlateGray',
    'LightSlateGrey',
    'LightSteelBlue',
    'LightYellow',
    'Lime',
    'LimeGreen',
    'Linen',
    'Magenta',
    'Maroon',
    'MediumAquamarine',
    'MediumBlue',
    'MediumOrchid',
    'MediumPurple',
    'MediumSeaGreen',
    'MediumSlateBlue',
    'MediumSpringGreen',
    'MediumTurquoise',
    'MediumVioletRed',
    'MidnightBlue',
    'MintCream',
    'MistyRose',
    'Moccasin',
    'NavajoWhite',
    'Navy',
    'OldLace',
    'Olive',
    'OliveDrab',
    'Orange',
    'OrangeRed',
    'Orchid',
    'PaleGoldenrod',
    'PaleGreen',
    'PaleTurquoise',
    'PaleVioletRed',
    'PapayaWhip',
    'PeachPuff',
    'Peru',
    'Pink',
    'Plum',
    'PowderBlue',
    'Purple',
    'Rebeccapurple',
    'Red',
    'RosyBrown',
    'RoyalBlue',
    'SaddleBrown',
    'Salmon',
    'SandyBrown',
    'SeaGreen',
    'Seashell',
    'Sienna',
    'Silver',
    'SkyBlue',
    'SlateBlue',
    'SlateGray',
    'SlateGrey',
    'Snow',
    'SpringGreen',
    'SteelBlue',
    'Tan',
    'Teal',
    'Thistle',
    'Tomato',
    'Turquoise',
    'Violet',
    'Wheat',
    'White',
    'WhiteSmoke',
    'Yellow',
    'YellowGreen',
];

class ColourCellRenderer  {
    eGui;

    init(params) {
        const eGui = (this.eGui = document.createElement('div'));
        eGui.style.overflow = 'hidden';
        eGui.style.textOverflow = 'ellipsis';

        const { value } = params;
        const colorSpan = document.createElement('span');
        const text = document.createTextNode(value ?? '');

        if (value != null) {
            colorSpan.style.borderLeft = '10px solid ' + params.value;
            colorSpan.style.paddingRight = '5px';
        }

        eGui.appendChild(colorSpan);
        eGui.append(text);
    }

    getGui() {
        return this.eGui;
    }

    refresh() {
        return false;
    }
}

const columnDefs = [
  
  {
    headerName: "Select does open (not good)",
    field: "color",
    cellRenderer: ColourCellRenderer,
    cellEditor: "agRichSelectCellEditor",
    cellEditorParams: {
      //lets me add a custom renderer which i need to translate a technical term
      //to something a user is able to read

      //unfortunately it opens on full Row edit
      values: colors,
      cellRenderer: ColourCellRenderer,
      valueListMaxHeight: 220,
    },
  },
  {
    headerName: "Select does not open (good)",
    field: "color",
    cellRenderer: ColourCellRenderer,
    cellEditor: "agSelectCellEditor",
    cellEditorParams: {
      //Stays closed on fullRow edit
      //unfortunately it does not let me translate the values through a custom rendere
      values: colors,
      valueListMaxHeight: 220,
    },
  },
];

function getRandomNumber(min, max) {
  // min and max included
  return Math.floor(Math.random() * (max - min + 1) + min);
}

const data = Array.from(Array(20).keys()).map(() => {
  const color = colors[getRandomNumber(0, colors.length - 1)];
  return { color };
});

let gridApi;

const gridOptions = {
  defaultColDef: {
    width: 200,
    editable: true,
  },
  columnDefs: columnDefs,
  rowData: data,
  editType: "fullRow",

};

// setup the grid after the page has finished loading
document.addEventListener("DOMContentLoaded", () => {
  const gridDiv = document.querySelector("#myGrid");
  gridApi = agGrid.createGrid(gridDiv, gridOptions);
});

<!doctype html>
<html lang="en">
  <head>
    <title>
      JavaScript Example - Provided Cell Editors Rich Select - Rich Select
      Search Values
    </title>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <meta name="robots" content="noindex" />
    <link
      href="https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;700&amp;display=swap"
      rel="stylesheet"
    />
    <style media="only screen">
      :root,
      body {
        height: 100%;
        width: 100%;
        margin: 0;
        box-sizing: border-box;
        -webkit-overflow-scrolling: touch;
      }

      html {
        position: absolute;
        top: 0;
        left: 0;
        padding: 0;
        overflow: auto;
        font-family: -apple-system, "system-ui", "Segoe UI", Roboto,
          "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif,
          "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol",
          "Noto Color Emoji";
      }

      body {
        padding: 16px;
        overflow: auto;
        background-color: transparent;
      }
    </style>
  </head>
  <body>
    <div id="myGrid" style="height: 100%"></div>
    <script>
      (function () {
        const appLocation = "";

        window.__basePath = appLocation;
      })();
    </script>
    <script src="https://cdn.jsdelivr.net/npm/seedrandom@3.0.5/seedrandom.min.js"></script>
    <script>
      // Seed random number generator for predictable tests and examples
      Math.seedrandom("AG Grid Random Seed");
    </script>
    <script src="https://cdn.jsdelivr.net/npm/ag-grid-enterprise@34.0.1/dist/ag-grid-enterprise.min.js?t=1751977784630"></script>
    <script src="colors.js"></script>
    <script src="colourCellRenderer.js"></script>
    <script src="main.js"></script>
  </body>
</html>

{
  "name": "ag-grid-example",
  "dependencies": {
    "ag-grid-community": "34.0.1",
    "ag-grid-enterprise": "34.0.1"
  },
  "devDependencies": {
    "@types/node": "^22"
  }
}