amos-tool/lib/dom/minfyImg.js

amos ui tool

"use strict";

function imageCompress(e, t, n) {
  n || (n = .92), function(e, t) {
    var n = new FileReader;
    n.onload = function() {
      var e = this.result;
      t(e);
    }, n.readAsDataURL(e);
  }(e, function(e) {
    !function(e, t) {
      var n = new Image;
      n.onload = function() {
        t(n);
      }, n.src = e;
    }(e, function(e) {
      !function(e) {
        var a = function(e) {
          var t = document.createElement("canvas"), a = e.width, r = e.height;
          t.width = a, t.height = r, t.getContext("2d").drawImage(e, 0, 0, a, r);
          var o = t.toDataURL("image/jpeg", n);
          return o;
        }(e), r = function(e) {
          for (var t, n = atob(e.split(",")[1]), a = new ArrayBuffer(n.length), r = new Uint8Array(a), o = 0; o < n.length; o++) r[o] = n.charCodeAt(o);
          return t = new Blob([ a ], {
            type: "image/jpeg"
          }), t;
        }(a);
        t(r);
      }(e);
    });
  });
}

module.exports = imageCompress;