getSortedPluginsByHook() — vite Function Reference

Source Code

packages/vite/src/node/plugins/index.ts lines 159–187

export function getSortedPluginsByHook<K extends keyof Plugin>(
  hookName: K,
  plugins: readonly Plugin[],
): PluginWithRequiredHook<K>[] {
  const sortedPlugins: Plugin[] = []
  // Use indexes to track and insert the ordered plugins directly in the
  // resulting array to avoid creating 3 extra temporary arrays per hook
  let pre = 0,
    normal = 0,
    post = 0
  for (const plugin of plugins) {
    const hook = plugin[hookName]
    if (hook) {
      if (typeof hook === 'object') {
        if (hook.order === 'pre') {
          sortedPlugins.splice(pre++, 0, plugin)
          continue
        }
        if (hook.order === 'post') {
          sortedPlugins.splice(pre + normal + post++, 0, plugin)
          continue
        }
      }
      sortedPlugins.splice(pre + normal++, 0, plugin)
    }
  }

  return sortedPlugins as PluginWithRequiredHook<K>[]
}