no-self-assign
NOTE: this rule is part of the
推荐
rule set.Enable full set in
deno.json
:{ "lint": { "rules": { "tags": ["推荐"] } } }
Enable full set using the Deno CLI:
deno lint --rules-tags=推荐
This rule can be explictly included to or excluded from the rules present in the current tag by adding it to the
include
or exclude
array in deno.json
:{ "lint": { "rules": { "include": ["no-self-assign"], "exclude": ["no-self-assign"] } } }
禁止自我赋值。
自我赋值像 a = a;
根本没有任何效果。如果代码中存在自我赋值,大多数情况下意味着作者仍在重构过程中,还有剩余的工作需要完成。
无效:
a = a;
[a] = [a];
[a, b] = [a, b];
[a, b] = [a, c];
[a, ...b] = [a, ...b];
a.b = a.b;
有效:
let a = a;
a += a;
a = [a];
[a, b] = [b, a];
a.b = a.c;