How do I accomplish an if else in mustache js

Question

It seems rather odd that I can t figure how to do this in mustache  Is it supported   This is my sad attempt at trying          author            avatar            lt img src    avatar     gt           avatar             avatar            lt img src   images default avatar png  height  75  width  75    gt           avatar          author     This obviously isn t right  but the documentation doesn t mention anything like this  The word  else  isn t even mentioned     Also  why is mustache designed this way  Is this sort of thing considered bad  Is it trying to force me to set the default value in the model itself  What about the cases where that isn t possible

User · Answer

Your else statement should look like this  note the         avatar           avatar     In mustache this is called  Inverted sections

User · Answer

This is something you solve in the  controller   which is the point of logicless templating      some function that retreived data through ajax function  view        if    view avatar              DEFAULTS can be a global settings object you define elsewhere          so that you don t have to maintain these values all over the place          in your code        view avatar   DEFAULTS AVATAR              do template stuff here      This is actually a LOT better then maintaining image url s or other media that might or might not change in your templates  but takes some getting used to  The point is to unlearn template tunnel vision  an avatar img url is bound to be used in other templates  are you going to maintain that url on X templates or a single DEFAULTS settings object      Another option is to do the following      augment view view hasAvatar     view avatar  view noAvatar    view avatar    And in the template      hasAvatar       SHOW AVATAR    hasAvatar      noAvatar       SHOW DEFAULT    noAvatar     But that s going against the whole meaning of logicless templating  If that s what you want to do  you want logical templating and you should not use Mustache  though do give it yourself a fair chance of learning this concept

User · Answer

Note  you can use       to render the current context item      avatar          avatar       avatar  missing   avatar

User · Answer

You can define a helper in the view  However  the conditional logic is somewhat limited  Moxy-Stencil  https   github com dcmox moxyscript-stencil  seems to address this with  parameterized  helpers  eg     isActive param    and in the view   view isActive   function  path  string   return path     this path    class  active

User · Answer

This is how you do if else in Mustache  perfectly supported       repo      lt b gt   name   lt  b gt     repo      repo     No repos       repo     Or in your case      author        avatar        lt img src    avatar     gt       avatar        avatar        lt img src   images default avatar png  height  75  width  75    gt       avatar      author     Look for inverted sections in the docs  https   github com janl mustache js

[javascript] How do I accomplish an if/else in mustache.js?

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