select-all-by-filename.js

import "@johnlindquist/kit"

// Author: Taylor Bell
// Name: search by filename
// Shortcut: opt+f
// Description: Select files in Finder that contain a substring (comma separate for multiple matches)

let searchList = await arg(); // e.g. ".srt, .mp3, taco"
let searchItems = searchList.split(",").map(item => item.trim()).filter(Boolean);
let searchCriteria = searchItems.map(item => `name contains "${item}"`).join(" or ");

await applescript(`
set folderpath to false

tell application id "com.apple.Finder" to tell (a reference to the ¬
    front Finder window) to if it exists then tell its target as ¬
    alias to set folderpath to its POSIX path

if folderpath = false then set folderpath to "~/Desktop"

tell application id "com.apple.SystemEvents" to tell the ¬
    folder named folderpath to tell (every file whose ${searchCriteria}) to set filepaths to its path

tell application id "com.apple.Finder"
    reveal the filepaths
    activate
    return the selection as alias list
end tell
`);