amos-tool/lib/strUtils.js

amos ui tool

"use strict";

var deepCopy = require("./_deepCopy"), utils = require("./utils");

module.exports = {
  toCapitalStr: function(e) {
    return utils.isNil(e) ? e : utils.isString(e) ? e[0].toUpperCase() + e.slice(1, e.length) : e;
  },
  camelCase: function(e) {
    return e.charAt(0).toUpperCase() + e.slice(1).replace(/-(\w)/g, function(e, r) {
      return r.toUpperCase();
    });
  },
  transCamel: function(e) {
    return (e = e.toLowerCase()).replace(/-(\w)/g, function(e, r) {
      return r.toUpperCase();
    });
  },
  capFirst: function(e) {
    return e && "" !== e ? e.replace(/(\w)/, function(e) {
      return e.toUpperCase();
    }) : e;
  },
  hashCode: function(e) {
    if (e) {
      var r = function(e) {
        return e > 2147483647 || e < -2147483648 ? 4294967295 & e : e;
      };
      e = e.toString();
      for (var t = 0, n = 0; n < e.length; n++) t = r(t = 31 * t + e.charCodeAt(n));
      return t;
    }
    return null;
  },
  dealScaleAndUnit: function(e, r) {
    var t = deepCopy.clone(r);
    if (t || (t = {
      selfenable: !1,
      fixnumber: 2,
      thousandsplitchar: !0
    }), !utils.isFloat(e)) return e;
    var n = "";
    "-" == (e = e.toString()).charAt(0) && (n = "-", e = e.substring(1, e.length)), 
    null != t.selfscale && "" != t.selfscale || null != t.selfunit && "" != t.selfunit || (t.selfscale = "1000,1000,1000", 
    t.selfunit = "K,M,B");
    var l = 2;
    null != t.fixnumber && "NaN" != parseInt(t.fixnumber).toString() && (l = parseInt(t.fixnumber));
    var a = "";
    if (null != t.suffix && (a = t.suffix), t.selfenable) {
      var i = t.selfunit;
      null == i && (i = "");
      var s = t.selfscale;
      if (null == s || "" == s.toString().trim()) a = i + a; else {
        for (var o = i.split(","), u = s.split(","), f = [], p = !0, c = 0; c < u.length; c++) if (null != u[c] && "NaN" != parseFloat(u[c]).toString()) {
          if ("NaN" == parseFloat(u[c]).toString() || "0" == parseFloat(u[c]).toString() || parseFloat(u[c]) < 0) {
            p = !1;
            break;
          }
          0 == f.length ? f[0] = u[c] : f[f.length] = parseFloat(u[c]) * parseFloat(f[f.length - 1]);
        }
        if (u = f, p) for (var h = u.length - 1; h >= 0; h--) if (!(h > o.length - 1)) {
          null == o[h] && (o[h] = "");
          var g = parseFloat(e) / u[h];
          if (e.indexOf(".") > -1) {
            var d = e.substr(e.indexOf(".") + 1, e.length).length;
            g = parseFloat(e) * Math.pow(10, d) / (u[h] * Math.pow(10, d));
          }
          if (Math.abs(g) >= 1) {
            e = g, a = o[h] + a;
            break;
          }
        }
      }
    }
    return l > -1 && (e = parseFloat(e).toFixed(l) + ""), t.fillzero || (e = parseFloat(e) + ""), 
    (null == t.thousandsplitchar || t.thousandsplitchar) && (e = e.indexOf(".") > -1 ? e.substr(0, e.indexOf(".")).replace(/\d{1,3}(?=(\d{3})+$)/g, "$&,") + e.substr(e.indexOf("."), e.length) : e.replace(/\d{1,3}(?=(\d{3})+$)/g, "$&,")), 
    e = n + e, null != t.prefix && (e = t.prefix + e), e += a;
  },
  toUTF8: function(e) {
    var r, t, n, l = "";
    for (t = e.length, r = 0; r < t; r++) (n = e.charCodeAt(r)) >= 1 && n <= 127 ? l += e.charAt(r) : n > 2047 ? (l += String.fromCharCode(224 | n >> 12 & 15), 
    l += String.fromCharCode(128 | n >> 6 & 63), l += String.fromCharCode(128 | 63 & n)) : (l += String.fromCharCode(192 | n >> 6 & 31), 
    l += String.fromCharCode(128 | 63 & n));
    return l;
  }
};