Function addFileDep

packages/vite/src/node/plugins/importAnalysisBuild.ts:359–369

(
            url: string,
            runtime: boolean = false,
          )

          const fileDeps: FileDep[] = []
          const addFileDep = (
            url: string,
            runtime: boolean = false,
          ): number => {
            const index = fileDeps.findIndex((dep) => dep.url === url)
            if (index === -1) {
              return fileDeps.push({ url, runtime }) - 1
            } else {
              return index
            }
          }

          if (imports.length) {
            for (let index = 0; index < imports.length; index++) {