stock-indicator
Version:
Stock Indicator Library
58 lines • 2.72 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.CR = CR;
const common_1 = require("../common");
function CR(HIGH, LOW, N = 26, M1 = 10, M2 = 20, M3 = 40, M4 = 62) {
// check input
(0, common_1.checkArrayOfNumbers)(HIGH, "HIGH");
(0, common_1.checkArrayOfNumbers)(LOW, "LOW");
(0, common_1.checkNumber)(N, 1, HIGH, "N", "HIGH");
(0, common_1.checkNumber)(M1, 1, HIGH, "M1", "HIGH");
(0, common_1.checkNumber)(M2, 1, HIGH, "M2", "HIGH");
(0, common_1.checkNumber)(M3, 1, HIGH, "M3", "HIGH");
(0, common_1.checkNumber)(M4, 1, HIGH, "M4", "HIGH");
// MID:=REF(HIGH+LOW,1)/2;
const MID = [
null,
...HIGH.map((h, i) => (h + LOW[i]) / 2).slice(0, -1),
];
console.log("MID:", MID.slice(0, 10));
// CR:SUM(MAX(0,HIGH-MID),N)/SUM(MAX(0,MID-LOW),N)*100;
const CR = (0, common_1.funArrDiv)((0, common_1.funMS)(HIGH.map((h, i) => (MID[i] !== null ? Math.max(0, h - MID[i]) : null)), N), (0, common_1.funMS)(LOW.map((l, i) => (MID[i] !== null ? Math.max(0, MID[i] - l) : null)), N)).map((v) => (v !== null ? v * 100 : null));
/**
* ****************当REF的参数N为小数时，处理方式不同**********************
* 前面补null个数为Math.ceil(N)
* 后门的计算为 [].slice(Math.ceil(N % 1),-Math.floor(N))
* 这个特此说明一下，REF可以写成函数进行处理
*/
// MA1:REF(MA(CR,M1),M1/2.5+1);
const MA1 = [
...Array.from({ length: Math.ceil(M1 / 2.5 + 1) }).fill(null),
...(0, common_1.funMA)(CR, M1)
.slice(Math.ceil((M1 / 2.5) % 1), -Math.floor(M1 / 2.5 + 1))
.map((v) => (0, common_1.funRound)(v, 3)),
];
// MA2:REF(MA(CR,M2),M2/2.5+1);
const MA2 = [
...Array.from({ length: Math.ceil(M2 / 2.5 + 1) }).fill(null),
...(0, common_1.funMA)(CR, M2)
.slice(Math.ceil((M2 / 2.5) % 1), -Math.floor(M2 / 2.5 + 1))
.map((v) => (0, common_1.funRound)(v, 3)),
];
// MA3:REF(MA(CR,M3),M3/2.5+1);
const MA3 = [
...Array.from({ length: Math.ceil(M3 / 2.5 + 1) }).fill(null),
...(0, common_1.funMA)(CR, M3)
.slice(Math.ceil((M3 / 2.5) % 1), -Math.floor(M3 / 2.5 + 1))
.map((v) => (0, common_1.funRound)(v, 3)),
];
// MA4:REF(MA(CR,M4),M4/2.5+1);
const MA4 = [
...Array.from({ length: Math.ceil(M4 / 2.5 + 1) }).fill(null),
...(0, common_1.funMA)(CR, M4)
.slice(Math.ceil((M4 / 2.5) % 1), -Math.floor(M4 / 2.5 + 1))
.map((v) => (0, common_1.funRound)(v, 3)),
];
return { CR: CR.map((v) => (0, common_1.funRound)(v, 3)), MA1, MA2, MA3, MA4 };
}
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