V2EX fds2003
 fds2003's recent timeline updates
fds2003

fds2003

V2EX member #74179, joined on 2014-09-17 13:42:45 +08:00
fds2003's recent replies
确实,文章里这块一笔带过了。我自己实操下来,正则在应对跨文件重构时极易翻车,AST 主要降维打击在三个痛点:

解决别名 (Aliasing) 和作用域:如果在别的工程用 import { fetchData as getUser } 引入,或者有同名局部变量,正则直接抓瞎,而 AST 能精准顺藤摸瓜找到真实引用。
复杂的结构性重构:比如把 getUser(id, token) 升级为传入对象 getUser({ id, token, cache: true })。当参数跨越多行或有嵌套时,用正则捕获并重组简直是噩梦,但对 AST 来说只需转换一个节点类型。
绝对零误伤:纯文本正则分不清代码里到底是函数调用、注释还是字符串,极易误改。AST 结合编译器的类型检查,能确保 0 误杀。
感谢反馈!
类似很多工具,我也有个 excel 方面的,getsheetmaster.com
About     Help     Advertise     Blog     API     FAQ     Solana     2894 Online   Highest 6679       Select Language
创意工作者们的社区
World is powered by solitude
VERSION: 3.9.8.5 30ms UTC 09:33 PVG 17:33 LAX 02:33 JFK 05:33
Do have faith in what you're doing.
ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86