@sanity/form-builder/lib/sanity/uploads/image/rotateImage.js

Sanity form builder

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = rotateImage;
var _rxjs = require("rxjs");
var _operators = require("rxjs/operators");
var _orient = _interopRequireDefault(require("./orient"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
// The eslint import plugin doesn't work well with opaque types
// https://github.com/benmosher/eslint-plugin-import/issues/921
// https://github.com/gajus/eslint-plugin-flowtype/issues/260
// eslint-disable-next-line import/named
function loadImage(url) {
  /* global window */
  return new _rxjs.Observable(observer => {
    var image = new window.Image();
    //console.time("read image");
    image.onerror = () => {
      observer.error(new Error("Could not load image from url \"".concat(url, "\". Image may be of an unsupported format")));
    };
    image.onload = () => {
      //console.timeEnd("read image");
      observer.next(image);
      observer.complete();
    };
    image.src = url;
    return () => {
      // todo: cancel loading (if possible?)
    };
  });
}
function rotateImage(file, orientation) {
  /* global window */
  return loadImage(window.URL.createObjectURL(file)).pipe((0, _operators.mergeMap)(image => (0, _orient.default)(image, orientation)));
}