addManuallyIncludedOptimizeDeps() — vite Function Reference

Source Code

packages/vite/src/node/optimizer/index.ts lines 867–912

export async function addManuallyIncludedOptimizeDeps(
  environment: Environment,
  deps: Record<string, string>,
): Promise<void> {
  const { logger } = environment
  const { optimizeDeps } = environment.config
  const optimizeDepsInclude = optimizeDeps.include ?? []
  if (optimizeDepsInclude.length) {
    const unableToOptimize = (id: string, msg: string) => {
      if (optimizeDepsInclude.includes(id)) {
        logger.warn(
          `${msg}: ${colors.cyan(id)}, present in ${environment.name} 'optimizeDeps.include'`,
        )
      }
    }

    const includes = [...optimizeDepsInclude]
    for (let i = 0; i < includes.length; i++) {
      const id = includes[i]
      if (isDynamicPattern(id)) {
        const globIds = expandGlobIds(id, environment.getTopLevelConfig())
        includes.splice(i, 1, ...globIds)
        i += globIds.length - 1
      }
    }

    const resolve = createOptimizeDepsIncludeResolver(environment)
    for (const id of includes) {
      // normalize 'foo   >bar` as 'foo > bar' to prevent same id being added
      // and for pretty printing
      const normalizedId = normalizeId(id)
      if (!deps[normalizedId]) {
        const entry = await resolve(id)
        if (entry) {
          if (isOptimizable(entry, optimizeDeps)) {
            deps[normalizedId] = entry
          } else {
            unableToOptimize(id, 'Cannot optimize dependency')
          }
        } else {
          unableToOptimize(id, 'Failed to resolve dependency')
        }
      }
    }
  }
}