child-growth-eval/dist/evaluator.js

儿童生长发育评估工具包，支持 Z 分数计算、百分位查询、生长状况判断等。

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.evaluateGrowth = evaluateGrowth;
const reference_1 = require("./reference");
/**
 * 根据SD区间对数值进行评价
 */
function evaluateZRange(value, minus3sd, minus2sd, minus1sd, sd0, plus1sd, plus2sd, plus3sd) {
    if (value < minus3sd)
        return '下下';
    if (value < minus2sd)
        return '下';
    if (value < minus1sd)
        return '中下';
    if (value < sd0)
        return '中-';
    if (value < plus1sd)
        return '中+';
    if (value < plus2sd)
        return '中上';
    if (value < plus3sd)
        return '上';
    return '上上';
}
/**
 * 计算 BMI
 */
function calculateBMI(weight, height) {
    if (!weight || !height)
        return 0;
    const bmi = weight / (Math.pow(height / 100, 2));
    return parseFloat(bmi.toFixed(2));
}
/**
 * 评估儿童的生长发育情况
 */
function evaluateGrowth(input) {
    const { gender, ageInMonths, height, weight, heightType } = input;
    const standard = (0, reference_1.getGrowthStandard)(gender, heightType, ageInMonths);
    const heightWeightStandard = (0, reference_1.getHeightWeightStandard)(gender, heightType, height);
    if (!standard) {
        throw new Error(`年龄 ${ageInMonths} 月的标准数据未找到`);
    }
    const heightEvaluation = evaluateZRange(height, standard.height_minus_3sd, standard.height_minus_2sd, standard.height_minus_1sd, standard.height_0sd, standard.height_plus_1sd, standard.height_plus_2sd, standard.height_plus_3sd);
    const weightEvaluation = standard.weight_0sd
        ? evaluateZRange(weight, standard.weight_minus_3sd, standard.weight_minus_2sd, standard.weight_minus_1sd, standard.weight_0sd, standard.weight_plus_1sd, standard.weight_plus_2sd, standard.weight_plus_3sd)
        : null;
    const heightWeightEvaluation = heightWeightStandard
        ? evaluateZRange(weight, heightWeightStandard.weight_minus_3sd, heightWeightStandard.weight_minus_2sd, heightWeightStandard.weight_minus_1sd, heightWeightStandard.weight_0sd, heightWeightStandard.weight_plus_1sd, heightWeightStandard.weight_plus_2sd, heightWeightStandard.weight_plus_3sd)
        : null;
    const bmi = calculateBMI(weight, height);
    const bmiEvaluation = evaluateZRange(bmi, standard.bmi_minus_3sd, standard.bmi_minus_2sd, standard.bmi_minus_1sd, standard.bmi_0sd, standard.bmi_plus_1sd, standard.bmi_plus_2sd, standard.bmi_plus_3sd);
    const nutrition = {};
    if (weightEvaluation === '下')
        nutrition.weight = '低体重';
    if (weightEvaluation === '下下')
        nutrition.weight = '重度低体重';
    if (heightEvaluation === '下')
        nutrition.height = '生长迟缓';
    if (heightEvaluation === '下下')
        nutrition.height = '重度生长迟缓';
    if (heightWeightEvaluation === '上上')
        nutrition.heightWeight = '重度肥胖';
    else if (heightWeightEvaluation === '上')
        nutrition.heightWeight = '肥胖';
    else if (heightWeightEvaluation === '中上')
        nutrition.heightWeight = '超重';
    else if (heightWeightEvaluation === '下')
        nutrition.heightWeight = '消瘦';
    else if (heightWeightEvaluation === '下下')
        nutrition.heightWeight = '重度消瘦';
    if (bmiEvaluation === '上上')
        nutrition.bmi = '重度肥胖';
    else if (bmiEvaluation === '上')
        nutrition.bmi = '肥胖';
    else if (bmiEvaluation === '中上')
        nutrition.bmi = '超重';
    else if (bmiEvaluation === '下')
        nutrition.bmi = '消瘦';
    else if (bmiEvaluation === '下下')
        nutrition.bmi = '重度消瘦';
    return {
        heightEvaluation,
        weightEvaluation,
        heightWeightEvaluation,
        bmi,
        bmiEvaluation,
        nutrition
    };
}
//# sourceMappingURL=evaluator.js.map