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ReferenceError: "_" is not defined

Time:04-29

///////

recipe = new Recipe(_.pick(req.body, ['name', 'tag', 'recipe']));
    await recipe.save();
    

}); 

////// error:

recipe = new Recipe(_.pick(req.body, ['name', 'tag', 'recipe'])); ^

ReferenceError: _ is not defined

CodePudding user response:

you have to import the library before using it like so

// Requiring the lodash library
const _ = require("lodash");

// The source object
var obj = {
    Name: "GeeksforGeeks",
    password: "gfg@1234",
    username: "your_geeks"
}

// Using the _.pick() method
console.log(_.pick(obj, ['password', 'username']));
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