wilks/dist/index.js

Calculate wilks score, dots, one rep max and more. Wilks formula and Dots are primarily used in powerlifting contests to identify the best lifter across different weight classes.

import { coefficients } from "./constants.js";
import { calculateCoefficient, convertWeight, roundToDecimal, validateCompetition, validateInput } from "./helpers.js";
const getTotal = (input) => {
    if ("total" in input)
        return input.total;
    return Object.values(input).reduce((a, b) => a + b, 0);
};
export function wilks(input) {
    validateInput(input);
    const { gender, bodyweight, unit, ...rest } = input;
    const coefficient = calculateCoefficient({ gender, bodyweight, unit }, "wilks");
    const total = convertWeight(getTotal(rest), unit);
    const score = total * (500 / coefficient);
    return roundToDecimal(score, 2);
}
export function wilks2020(input) {
    validateInput(input);
    const { gender, bodyweight, unit, ...rest } = input;
    const coefficient = calculateCoefficient({ gender, bodyweight, unit }, "wilks2020");
    const total = convertWeight(getTotal(rest), unit);
    const score = total * (600 / coefficient);
    return roundToDecimal(score, 2);
}
export function dots(input) {
    validateInput(input);
    const { gender, bodyweight, unit, ...rest } = input;
    const coefficient = calculateCoefficient({ gender, bodyweight, unit }, "dots");
    const total = convertWeight(getTotal(rest), unit);
    const score = total * (500 / coefficient);
    return roundToDecimal(score, 2);
}
export function ipf(input, competition) {
    validateInput(input);
    validateCompetition(competition);
    const { gender, bodyweight, unit, ...rest } = input;
    const total = convertWeight(getTotal(rest), unit);
    const bw = convertWeight(bodyweight, unit);
    const lgbw = Math.log(bw);
    const coefficient = coefficients.ipf[gender][competition];
    const score = 500 + 100 * ((total - (coefficient[0] * lgbw - coefficient[1]))) / (coefficient[2] * lgbw - coefficient[3]);
    return roundToDecimal(score, 2);
}
export function ipfgl(input, competition) {
    validateInput(input);
    validateCompetition(competition);
    const { gender, bodyweight, unit, ...rest } = input;
    const total = convertWeight(getTotal(rest), unit);
    const bw = convertWeight(bodyweight, unit);
    const coefficient = coefficients.ipfgl[gender][competition];
    const score = total * (100 / (coefficient[0] - coefficient[1] * Math.pow(Math.E, (-coefficient[2] * bw))));
    return roundToDecimal(score, 2);
}
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