custom.js

const basePath = '../../../../'

const loadJsFile = async (path, callback, isImport) => {
    const resp = await fetch((path.startsWith('./') ? path : basePath + path) + ".js")
    const respText = await resp.text()
    const newText = callback ? await callback(respText) : respText
    const blob = new Blob([newText], { type: 'application/javascript' });
    const url = URL.createObjectURL(blob);

    return isImport ? await import(url) : url
}

const replaceCommandPannelHeight = (text) => {
    const commandPannelHeight = 36
    // command panel item height 
    // getHeight(i){return i instanceof iO?30:i.saneDetail?44:22}
    text = text.replace(/(44:)22(?=})/g, (_, prefix) => `${prefix}${commandPannelHeight}`)
    return text
}


const replaceItemHeight = (text) => {
    const itemHeight = 30
    // item height
    let replaceItemH = (_, prefix) => `${prefix}${itemHeight}`
    text = text.replace(/(eight\([^)]*?\)\{return )22(?!\d)/g, replaceItemH)
    text = text.replace(/(ITEM_HEIGHT=)22(?!\d)/g, replaceItemH)
    text = text.replace(/(\*)22(?!\d)/g, replaceItemH)
    text = text.replace(/(:)22(?=})/g, replaceItemH)
    return text
}

(async function () {

    const mainJsPath = "vs/workbench/workbench.desktop.main"
    await loadJsFile('./workbench', async (text) => {
        const mainJsUrl = await loadJsFile(mainJsPath, (text) => {
            text = replaceCommandPannelHeight(text)
            text = replaceItemHeight(text)
            return text
        })
        return text.replace(mainJsPath, mainJsUrl + '#')
    }, true)
})()