simple-wcswidth/dist/src/binary-search.js

Simplified JS/TS implementation of wcswidth() written by Markus Kuhn in C

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/* auxiliary function for binary search in interval table */
const bisearch = (ucs, table, tableSize) => {
    let min = 0;
    let mid;
    let max = tableSize;
    if (ucs < table[0].first || ucs > table[max].last)
        return 0;
    while (max >= min) {
        mid = Math.floor((min + max) / 2);
        if (ucs > table[mid].last) {
            min = mid + 1;
        }
        else if (ucs < table[mid].first) {
            max = mid - 1;
        }
        else {
            return 1;
        }
    }
    return 0;
};
exports.default = bisearch;