peaks-similarity/lib/getCommonArray.js

Peaks similarity - calculate the similarity between 2 ordered arrays of peaks

"use strict";
// returns an new array based on array1 where there is a peak of array2 at a distance under width/2
Object.defineProperty(exports, "__esModule", { value: true });
exports.getCommonArray = void 0;
function getCommonArray(array1, array2, width) {
    const newArray = [[], []];
    let pos2 = 0;
    width /= 2;
    let j = 0;
    const array1Length = array1[0] ? array1[0].length : 0;
    const array2Length = array2[0] ? array2[0].length : 0;
    for (let i = 0; i < array1Length; i++) {
        while (pos2 < array2Length && array1[0][i] > array2[0][pos2] + width) {
            pos2++;
        }
        if (pos2 < array2Length && array1[0][i] > array2[0][pos2] - width) {
            newArray[0][j] = array1[0][i];
            newArray[1][j] = array1[1][i];
            j++;
        }
    }
    return newArray;
}
exports.getCommonArray = getCommonArray;
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