integrity sha1-YTObbyR1/Hcv2cnYP1yFddwVSuE= is-extendable@^0.1.0, is-extendable@^0.1.1: version "0.1.1" resolved "https://registry.npm.taobao.org/is-extendable/download/is-extendable-0.1.1.tgz#62b110e289a471418e3ec36a617d472e301dfc89" integrity sha1-YrEQ4omkcUGOPsNqYX1HLjAd/Ik...