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Editing: wp-polyfill-fetch.min.js
!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.WHATWGFetch={})}(this,function(h){"use strict";var e,r,u="undefined"!=typeof globalThis&&globalThis||"undefined"!=typeof self&&self||"undefined"!=typeof global&&global||{},o="URLSearchParams"in u,n="Symbol"in u&&"iterator"in Symbol,f="FileReader"in u&&"Blob"in u&&function(){try{return new Blob,!0}catch(t){return!1}}(),s="FormData"in u,d="ArrayBuffer"in u;function c(t){if("string"!=typeof t&&(t=String(t)),/[^a-z0-9\-#$%&'*+.^_`|~!]/i.test(t)||""===t)throw new TypeError('Invalid character in header field name: "'+t+'"');return t.toLowerCase()}function y(t){return t="string"!=typeof t?String(t):t}function t(e){var t={next:function(){var t=e.shift();return{done:void 0===t,value:t}}};return n&&(t[Symbol.iterator]=function(){return t}),t}function l(e){this.map={},e instanceof l?e.forEach(function(t,e){this.append(e,t)},this):Array.isArray(e)?e.forEach(function(t){if(2!=t.length)throw new TypeError("Headers constructor: expected name/value pair to be length 2, found"+t.length);this.append(t[0],t[1])},this):e&&Object.getOwnPropertyNames(e).forEach(function(t){this.append(t,e[t])},this)}function i(t){if(!t._noBody)return t.bodyUsed?Promise.reject(new TypeError("Already read")):void(t.bodyUsed=!0)}function a(r){return new Promise(function(t,e){r.onload=function(){t(r.result)},r.onerror=function(){e(r.error)}})}function p(t){var e=new FileReader,r=a(e);return e.readAsArrayBuffer(t),r}function b(t){var e;return t.slice?t.slice(0):((e=new Uint8Array(t.byteLength)).set(new Uint8Array(t)),e.buffer)}function m(){return this.bodyUsed=!1,this._initBody=function(t){var e;this.bodyUsed=this.bodyUsed,(this._bodyInit=t)?"string"==typeof t?this._bodyText=t:f&&Blob.prototype.isPrototypeOf(t)?this._bodyBlob=t:s&&FormData.prototype.isPrototypeOf(t)?this._bodyFormData=t:o&&URLSearchParams.prototype.isPrototypeOf(t)?this._bodyText=t.toString():d&&f&&(e=t)&&DataView.prototype.isPrototypeOf(e)?(this._bodyArrayBuffer=b(t.buffer),this._bodyInit=new Blob([this._bodyArrayBuffer])):d&&(ArrayBuffer.prototype.isPrototypeOf(t)||r(t))?this._bodyArrayBuffer=b(t):this._bodyText=t=Object.prototype.toString.call(t):(this._noBody=!0,this._bodyText=""),this.headers.get("content-type")||("string"==typeof t?this.headers.set("content-type","text/plain;charset=UTF-8"):this._bodyBlob&&this._bodyBlob.type?this.headers.set("content-type",this._bodyBlob.type):o&&URLSearchParams.prototype.isPrototypeOf(t)&&this.headers.set("content-type","application/x-www-form-urlencoded;charset=UTF-8"))},f&&(this.blob=function(){var t=i(this);if(t)return t;if(this._bodyBlob)return Promise.resolve(this._bodyBlob);if(this._bodyArrayBuffer)return Promise.resolve(new Blob([this._bodyArrayBuffer]));if(this._bodyFormData)throw new Error("could not read FormData body as blob");return Promise.resolve(new Blob([this._bodyText]))}),this.arrayBuffer=function(){if(this._bodyArrayBuffer)return i(this)||(ArrayBuffer.isView(this._bodyArrayBuffer)?Promise.resolve(this._bodyArrayBuffer.buffer.slice(this._bodyArrayBuffer.byteOffset,this._bodyArrayBuffer.byteOffset+this._bodyArrayBuffer.byteLength)):Promise.resolve(this._bodyArrayBuffer));if(f)return this.blob().then(p);throw new Error("could not read as ArrayBuffer")},this.text=function(){var t,e,r,o=i(this);if(o)return o;if(this._bodyBlob)return o=this._bodyBlob,t=new FileReader,e=a(t),r=(r=/charset=([A-Za-z0-9_-]+)/.exec(o.type))?r[1]:"utf-8",t.readAsText(o,r),e;if(this._bodyArrayBuffer)return Promise.resolve(function(t){for(var e=new Uint8Array(t),r=new Array(e.length),o=0;o<e.length;o++)r[o]=String.fromCharCode(e[o]);return r.join("")}(this._bodyArrayBuffer));if(this._bodyFormData)throw new Error("could not read FormData body as text");return Promise.resolve(this._bodyText)},s&&(this.formData=function(){return this.text().then(A)}),this.json=function(){return this.text().then(JSON.parse)},this}d&&(e=["[object Int8Array]","[object Uint8Array]","[object Uint8ClampedArray]","[object Int16Array]","[object Uint16Array]","[object Int32Array]","[object Uint32Array]","[object Float32Array]","[object Float64Array]"],r=ArrayBuffer.isView||function(t){return t&&-1<e.indexOf(Object.prototype.toString.call(t))}),l.prototype.append=function(t,e){t=c(t),e=y(e);var r=this.map[t];this.map[t]=r?r+", "+e:e},l.prototype.delete=function(t){delete this.map[c(t)]},l.prototype.get=function(t){return t=c(t),this.has(t)?this.map[t]:null},l.prototype.has=function(t){return this.map.hasOwnProperty(c(t))},l.prototype.set=function(t,e){this.map[c(t)]=y(e)},l.prototype.forEach=function(t,e){for(var r in this.map)this.map.hasOwnProperty(r)&&t.call(e,this.map[r],r,this)},l.prototype.keys=function(){var r=[];return this.forEach(function(t,e){r.push(e)}),t(r)},l.prototype.values=function(){var e=[];return this.forEach(function(t){e.push(t)}),t(e)},l.prototype.entries=function(){var r=[];return this.forEach(function(t,e){r.push([e,t])}),t(r)},n&&(l.prototype[Symbol.iterator]=l.prototype.entries);var w=["CONNECT","DELETE","GET","HEAD","OPTIONS","PATCH","POST","PUT","TRACE"];function E(t,e){if(!(this instanceof E))throw new TypeError('Please use the "new" operator, this DOM object constructor cannot be called as a function.');var r,o=(e=e||{}).body;if(t instanceof E){if(t.bodyUsed)throw new TypeError("Already read");this.url=t.url,this.credentials=t.credentials,e.headers||(this.headers=new l(t.headers)),this.method=t.method,this.mode=t.mode,this.signal=t.signal,o||null==t._bodyInit||(o=t._bodyInit,t.bodyUsed=!0)}else this.url=String(t);if(this.credentials=e.credentials||this.credentials||"same-origin",!e.headers&&this.headers||(this.headers=new l(e.headers)),this.method=(t=e.method||this.method||"GET",r=t.toUpperCase(),-1<w.indexOf(r)?r:t),this.mode=e.mode||this.mode||null,this.signal=e.signal||this.signal||function(){if("AbortController"in u)return(new AbortController).signal}(),this.referrer=null,("GET"===this.method||"HEAD"===this.method)&&o)throw new TypeError("Body not allowed for GET or HEAD requests");this._initBody(o),"GET"!==this.method&&"HEAD"!==this.method||"no-store"!==e.cache&&"no-cache"!==e.cache||((r=/([?&])_=[^&]*/).test(this.url)?this.url=this.url.replace(r,"$1_="+(new Date).getTime()):this.url+=(/\?/.test(this.url)?"&":"?")+"_="+(new Date).getTime())}function A(t){var r=new FormData;return t.trim().split("&").forEach(function(t){var e;t&&(e=(t=t.split("=")).shift().replace(/\+/g," "),t=t.join("=").replace(/\+/g," "),r.append(decodeURIComponent(e),decodeURIComponent(t)))}),r}function g(t,e){if(!(this instanceof g))throw new TypeError('Please use the "new" operator, this DOM object constructor cannot be called as a function.');if(e=e||{},this.type="default",this.status=void 0===e.status?200:e.status,this.status<200||599<this.status)throw new RangeError("Failed to construct 'Response': The status provided (0) is outside the range [200, 599].");this.ok=200<=this.status&&this.status<300,this.statusText=void 0===e.statusText?"":""+e.statusText,this.headers=new l(e.headers),this.url=e.url||"",this._initBody(t)}E.prototype.clone=function(){return new E(this,{body:this._bodyInit})},m.call(E.prototype),m.call(g.prototype),g.prototype.clone=function(){return new g(this._bodyInit,{status:this.status,statusText:this.statusText,headers:new l(this.headers),url:this.url})},g.error=function(){var t=new g(null,{status:200,statusText:""});return t.ok=!1,t.status=0,t.type="error",t};var T=[301,302,303,307,308];g.redirect=function(t,e){if(-1===T.indexOf(e))throw new RangeError("Invalid status code");return new g(null,{status:e,headers:{location:t}})},h.DOMException=u.DOMException;try{new h.DOMException}catch(t){h.DOMException=function(t,e){this.message=t,this.name=e;e=Error(t);this.stack=e.stack},h.DOMException.prototype=Object.create(Error.prototype),h.DOMException.prototype.constructor=h.DOMException}function _(o,a){return new Promise(function(n,t){var s=new E(o,a);if(s.signal&&s.signal.aborted)return t(new h.DOMException("Aborted","AbortError"));var r,i=new XMLHttpRequest;function e(){i.abort()}i.onload=function(){var t,r,e={statusText:i.statusText,headers:(t=i.getAllResponseHeaders()||"",r=new l,t.replace(/\r?\n[\t ]+/g," ").split("\r").map(function(t){return 0===t.indexOf("\n")?t.substr(1,t.length):t}).forEach(function(t){var t=t.split(":"),e=t.shift().trim();if(e){t=t.join(":").trim();try{r.append(e,t)}catch(t){console.warn("Response "+t.message)}}}),r)},o=(0===s.url.indexOf("file://")&&(i.status<200||599<i.status)?e.status=200:e.status=i.status,e.url="responseURL"in i?i.responseURL:e.headers.get("X-Request-URL"),"response"in i?i.response:i.responseText);setTimeout(function(){n(new g(o,e))},0)},i.onerror=function(){setTimeout(function(){t(new TypeError("Network request failed"))},0)},i.ontimeout=function(){setTimeout(function(){t(new TypeError("Network request timed out"))},0)},i.onabort=function(){setTimeout(function(){t(new h.DOMException("Aborted","AbortError"))},0)},i.open(s.method,function(e){try{return""===e&&u.location.href?u.location.href:e}catch(t){return e}}(s.url),!0),"include"===s.credentials?i.withCredentials=!0:"omit"===s.credentials&&(i.withCredentials=!1),"responseType"in i&&(f?i.responseType="blob":d&&(i.responseType="arraybuffer")),a&&"object"==typeof a.headers&&!(a.headers instanceof l||u.Headers&&a.headers instanceof u.Headers)?(r=[],Object.getOwnPropertyNames(a.headers).forEach(function(t){r.push(c(t)),i.setRequestHeader(t,y(a.headers[t]))}),s.headers.forEach(function(t,e){-1===r.indexOf(e)&&i.setRequestHeader(e,t)})):s.headers.forEach(function(t,e){i.setRequestHeader(e,t)}),s.signal&&(s.signal.addEventListener("abort",e),i.onreadystatechange=function(){4===i.readyState&&s.signal.removeEventListener("abort",e)}),i.send(void 0===s._bodyInit?null:s._bodyInit)})}_.polyfill=!0,u.fetch||(u.fetch=_,u.Headers=l,u.Request=E,u.Response=g),h.Headers=l,h.Request=E,h.Response=g,h.fetch=_,Object.defineProperty(h,"__esModule",{value:!0})});
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