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RE: Calculating a user's Steemit reputation score in JavaScript [bonus content: an Angular Pipe that does it for you]

in #steemdev • 7 years ago

You could add a parameter to the pipe to set the decimal precision.

transform(value: number, precision: number) {
  ...
  return reputation.toFixed(precision);
}
7 years ago in #steemdev by
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     7 years ago 

    Yeah, nice one. I thought about that but I didn't have a use case for it yet myself. I'm not sure if toFixed() is the right solution though, as "officially" the simplified rep should be floored, not rounded.

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       7 years ago 

      hmmm... it should be conditional then.

      return precision ? reputation.toFixed(precision) : Math.floor(reputation);
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       7 years ago 

      Yeah, or something like this:

      function toPrecision(value, precision) {
    const multiplier = Math.pow(10, precision);
    return Math.floor(value * multiplier) / multiplier;
}
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