cjkspace/lib/cjkspace.js

Add space between CJK character and western character

"use strict";

var shouldSpace = require('./shouldSpace');

var zip = function zip(a, b) {
  return a.reduce(function (acc, next, i) {
    return acc.concat(next, String(b[i]));
  }, []);
};

var join = function join(array, f) {
  return array.reduce(function (acc, next) {
    return acc + f(acc, next) + next;
  });
};

var cjkspace = function cjkspace(string) {
  for (var _len = arguments.length, subs = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    subs[_key - 1] = arguments[_key];
  }

  return join(zip(string, subs.concat('')).filter(function (c) {
    return c !== '';
  }), function (a, b) {
    return shouldSpace(a, b) ? ' ' : '';
  });
};

module.exports = cjkspace;