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client: Add a toggle() functional util.

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This commit is contained in:
Jason Volk 2017-12-12 13:21:43 -07:00
parent 0565301560
commit 5b2facd8e3
1 changed files with 10 additions and 0 deletions
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10
modules/static/charybdis/util.js
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@ -121,6 +121,16 @@ let mayif = (test = () => true, closure = () => undefined) =>
return maybe(() => closure(test()));
};
/**
*/
let toggle = (obj, key, value = undefined) =>
{
if(value === undefined)
obj[key] =! obj[key];
else
obj[key] = value;
};
/**
* Like "toggle" but prunes the object of the key when switching
* to the false state.