amos-tool/lib/dom/fileSaveAs.js

amos ui tool

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"), _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof")), _global = "object" === ("undefined" == typeof window ? "undefined" : (0, 
_typeof2.default)(window)) && window.window === window ? window : "object" === ("undefined" == typeof self ? "undefined" : (0, 
_typeof2.default)(self)) && self.self === self ? self : "object" === ("undefined" == typeof global ? "undefined" : (0, 
_typeof2.default)(global)) && global.global === global ? global : void 0;

function bom(e, t) {
  return void 0 === t ? t = {
    autoBom: !1
  } : "object" !== (0, _typeof2.default)(t) && (console.warn("Deprecated: Expected third argument to be a object"), 
  t = {
    autoBom: !t
  }), t.autoBom && /^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(e.type) ? new Blob([ String.fromCharCode(65279), e ], {
    type: e.type
  }) : e;
}

function download(e, t, o) {
  var n = new XMLHttpRequest;
  n.open("GET", e), n.responseType = "blob", n.onload = function() {
    saveAs(n.response, t, o);
  }, n.onerror = function() {
    console.error("could not download file");
  }, n.send();
}

function corsEnabled(e) {
  var t = new XMLHttpRequest;
  t.open("HEAD", e, !1);
  try {
    t.send();
  } catch (e) {}
  return t.status >= 200 && t.status <= 299;
}

function click(e) {
  try {
    e.dispatchEvent(new MouseEvent("click"));
  } catch (o) {
    var t = document.createEvent("MouseEvents");
    t.initMouseEvent("click", !0, !0, window, 0, 0, 0, 80, 20, !1, !1, !1, !1, 0, null), 
    e.dispatchEvent(t);
  }
}

var isMacOSWebView = _global && _global.navigator && /Macintosh/.test(navigator.userAgent) && /AppleWebKit/.test(navigator.userAgent) && !/Safari/.test(navigator.userAgent), saveAs = "object" !== ("undefined" == typeof window ? "undefined" : (0, 
_typeof2.default)(window)) || window !== _global ? function() {} : "download" in HTMLAnchorElement.prototype && !isMacOSWebView ? function(e, t, o) {
  var n = _global.URL || _global.webkitURL, a = document.createElement("a");
  t = t || e.name || "download", a.download = t, a.rel = "noopener", "string" == typeof e ? (a.href = e, 
  a.origin !== location.origin ? corsEnabled(a.href) ? download(e, t, o) : click(a, a.target = "_blank") : click(a)) : (a.href = n.createObjectURL(e), 
  setTimeout(function() {
    n.revokeObjectURL(a.href);
  }, 4e4), setTimeout(function() {
    click(a);
  }, 0));
} : "msSaveOrOpenBlob" in navigator ? function(e, t, o) {
  if (t = t || e.name || "download", "string" == typeof e) if (corsEnabled(e)) download(e, t, o); else {
    var n = document.createElement("a");
    n.href = e, n.target = "_blank", setTimeout(function() {
      click(n);
    });
  } else navigator.msSaveOrOpenBlob(bom(e, o), t);
} : function(e, t, o, n) {
  if ((n = n || open("", "_blank")) && (n.document.title = n.document.body.innerText = "downloading..."), 
  "string" == typeof e) return download(e, t, o);
  var a = "application/octet-stream" === e.type, i = /constructor/i.test(_global.HTMLElement) || _global.safari, l = /CriOS\/[\d]+/.test(navigator.userAgent);
  if ((l || a && i || isMacOSWebView) && "undefined" != typeof FileReader) {
    var r = new FileReader;
    r.onloadend = function() {
      var e = r.result;
      e = l ? e : e.replace(/^data:[^;]*;/, "data:attachment/file;"), n ? n.location.href = e : location = e, 
      n = null;
    }, r.readAsDataURL(e);
  } else {
    var d = _global.URL || _global.webkitURL, c = d.createObjectURL(e);
    n ? n.location = c : location.href = c, n = null, setTimeout(function() {
      d.revokeObjectURL(c);
    }, 4e4);
  }
};

module.exports = saveAs;