verifalia-widget/dist/verifalia-widget.js

A lightweight JavaScript widget with zero dependencies that performs real-time email address validation using the Verifalia email verification service. This widget integrates seamlessly with any web form to swiftly identify and eliminate invalid, undelive

// (c) Verifalia - email verification service - https://verifalia.com
var VerifaliaWidget=function(){"use strict";function e(e,t,i,n){return new(i||(i=Promise))((function(s,r){function o(e){try{l(n.next(e))}catch(e){r(e)}}function a(e){try{l(n.throw(e))}catch(e){r(e)}}function l(e){var t;e.done?s(e.value):(t=e.value,t instanceof i?t:new i((function(e){e(t)}))).then(o,a)}l((n=n.apply(e,t||[])).next())}))}const t=Symbol();function i(e,t){const n=e=>e&&"object"==typeof e;return n(e)&&n(t)?(Object.keys(t).forEach(s=>{const r=e[s],o=t[s];Array.isArray(r)&&Array.isArray(o)?e[s]=r.concat(o):n(r)&&n(o)?e[s]=i(Object.assign({},r),o):e[s]=o}),e):t}class n{constructor(e,t){this.t=e,this.i=t}s(e){return e?(e[t]||(e[t]=this.o(e)),e[t]):this.o()}l(e,t){if(e.inputBindings){const i=e.inputBindings.preventSubmission||"";let n;return n=Array.isArray(i)?i.map(e=>e.trim().toUpperCase()):i.split(",").map(e=>e.trim().toUpperCase()),e.inputBindings.preventSubmission,n.indexOf(t.toUpperCase())>0}return!1}o(e){const t=i(i({},{inputBindings:{autoWireup:!0,selector:'//input[@type="email" or ((not(@type) or @type="text") and contains(@name, "email")) or @*[starts-with(name(), "data-verifalia")]]',preventSubmission:"invalid, throttled",appendHiddenFields:!0,events:"input",debounceTime:500,styling:void 0,classNames:{base:"verifalia-field",processing:"verifalia-field-processing",valid:"verifalia-field-valid",invalid:"verifalia-field-invalid",throttled:"verifalia-field-throttled",insufficientBalance:"verifalia-field-insufficient-balance",exception:"verifalia-field-exception"},squiggles:!0},emailValidations:{allow:"deliverable, risky, unknown",block:"@disposable",memoize:!0,messages:{processing:"Please hold on for a second, until we verify this email address...",invalid:"Please enter a valid email address.",throttled:"Too many attempts, please try again later.",insufficientBalance:"The verification failed because of insufficient balance: please notify the website owner about this issue.",exception:"An error has occurred while verifying this email address. Please try again later."}},captcha:{provider:"",siteKey:"",language:"",containerSelector:""}}),this.t||{});return this.t,this.i&&(this.u(t,this.i),this.i),e&&this.u(t,e),t}u(e,t){const i=(n,s)=>{Object.keys(n).forEach(r=>{const o=s?`${s}.${r}`:r,a=typeof n[r];"object"===a?i(n[r],o):this.h(t,o.replace(/\./gi,"-"),t=>{let i=e;o.split(".").forEach((e,n,s)=>{if(n===s.length-1)switch(a){case"boolean":i[e]=(e=>"true"===e)(t);break;case"number":i[e]=parseInt(t)||0;break;default:i[e]=t}i=i[e]})})})};this.h(t,"appKey",t=>e.appKey=t),e.inputBindings=e.inputBindings||{},e.inputBindings.classNames=e.inputBindings.classNames||{},e.emailValidations=e.emailValidations||{},e.emailValidations.messages=e.emailValidations.messages||{},e.captcha=e.captcha||{},i(e)}h(e,t,i){const n=(e,t)=>{const i="data-verifalia-"+t;if(e.getAttribute){const t=e.getAttribute(i);if(null!==t)return t}const s=e.parentElement;if(s)return n(s,t)},s=n(e,t);void 0!==s&&i(s)}}let s;function r(){if(!s){let e=document.createElement("canvas");e.style.display="none",s=e.getContext("2d")}}function o(){return r(),!!s}function a(e,t){return r(),o()?(s.font=`${t.fontStyle} ${t.fontVariant} ${t.fontWeight} ${t.fontSize}/${t.lineHeight} ${t.fontFamily}`,s.measureText(e)):null}class l{constructor(e,t,i,n){this.v=0,this.p=e,this.m=t,this.g=i,this.k=n,this.C=n.s(i),this.T=e.validator}_(){return this.v}A(e){this.$(this.v,e),this.v=e}S(){this.g.setAttribute("verifalia-field-dir",getComputedStyle(this.g,null).direction)}wireup(){var e,t;this.g,this.g.spellcheck=!1,this.S(),this.A(0),this.F()&&(null===(t=null===(e=this.C.inputBindings)||void 0===e?void 0:e.classNames)||void 0===t?void 0:t.base)&&this.g.classList.add(this.C.inputBindings.classNames.base),this.g,this.g.addEventListener("input",e=>{this.g,this.T.M(this.g),this.B(),this.S()}),this.g.readOnly||this.g.addEventListener("focus",()=>{this.p.speculativePreconnectionManager.P()})}F(){var e,t,i;return null===(e=this.C.inputBindings)||void 0===e||e.styling,this.p.I(),void 0===(null===(t=this.C.inputBindings)||void 0===t?void 0:t.styling)?this.p.I():null===(i=this.C.inputBindings)||void 0===i?void 0:i.styling}B(){const e=this.g,t=e.name;this.T.O(e),t&&(this.j(t+"-verifalia-id"),this.j(t+"-verifalia-classification"),this.j(t+"-verifalia-status")),this.A(0)}D(e){this.V=setTimeout(()=>{this.B(),delete this.V},e)}j(e){const t=document.getElementById(e);t&&t.parentElement&&t.parentElement.removeChild(t)}N(e,t,i){let n=document.getElementById(e);n||(n=document.createElement("input"),n.type="hidden",n.id=e,n.name=e,i.insertAdjacentElement("afterend",n)),n.value=t}$(e,t){var i,n;if(this.F()){const e=this.g.classList;this.g;const s=this.C.inputBindings.classNames;s.base&&e.add(s.base),e.remove(s.processing,s.valid,s.invalid,s.exception,s.throttled,s.insufficientBalance);const r=this.g.style;switch(this.C.inputBindings.squiggles&&(r.background=""),t){case 1:e.add(s.processing);break;case 2:e.add(s.valid);break;case 3:if(e.add(s.invalid),this.C.inputBindings.squiggles){const e=this.T.R(this.g),t=null===(i=null==e?void 0:e.validation)||void 0===i?void 0:i.entries[0];if(t){let e=0,i=0;if(t.syntaxFailureIndex?(e=t.syntaxFailureIndex,i=t.inputData.length-t.syntaxFailureIndex):"DomainDoesNotExist"===t.status||"DomainHasNullMx"===t.status||"DomainIsMisconfigured"===t.status||"DomainPartCompliancyFailure"===t.status||"UnacceptableDomainLiteral"===t.status?t.emailAddressDomainPart&&(e=t.inputData.length-t.emailAddressDomainPart.length,i=t.emailAddressDomainPart.length):"InvalidLocalPartLength"!==t.status&&"MailboxDoesNotExist"!==t.status&&"ServerDoesNotSupportInternationalMailboxes"!==t.status||t.emailAddressLocalPart&&(i=t.emailAddressLocalPart.length),i&&o()){const s=getComputedStyle(this.g,null);let o=0;e&&(o=a(t.inputData.substr(0,e),s).width);const l=a(t.inputData.substr(e,i),s).width,c="rtl"===(null===(n=getComputedStyle(this.g,null).direction)||void 0===n?void 0:n.toLowerCase()),d=this.L(o,l,c),u=(e,t)=>e?`${t}, ${e}`:t;r.backgroundImage=u(s.backgroundImage,`url(data:image/svg+xml;base64,${btoa(d)})`),r.backgroundRepeat=u(s.backgroundRepeat,"repeat-x"),r.backgroundAttachment=u(s.backgroundAttachment,"scroll"),r.backgroundSize=u(s.backgroundSize,"100% 4px"),r.backgroundOrigin=u(s.backgroundOrigin,"content-box"),r.backgroundClip=u(s.backgroundClip,"content-box"),r.backgroundPosition=u(s.backgroundPosition,c?"right 0 bottom 0":"left 0 bottom 0")}}}break;case 5:e.add(s.exception);break;case 4:e.add(s.throttled);break;case 6:e.add(s.insufficientBalance)}}}L(e,t,i){return`<svg xmlns="http://www.w3.org/2000/svg" height="4"${i?' style="transform: scale(-1, 1)"':""}><defs><pattern id="w" x="0" y="0" width="6" height="4" patternUnits="userSpaceOnUse"><polyline points="0,0 3,4 6,0" style="fill:none; stroke: #ff3c0d; stroke-width: 1; stroke-linecap: round;"></polyline></pattern></defs><rect x="${e}" y="0" width="${t}" height="4" 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0!==s?s:"")}i&&n&&(i.reportValidity(),n.preventDefault(),n.stopImmediatePropagation())}))}W(e){e.setCustomValidity(this.C.emailValidations.messages.processing)}H(e){e.target.removeEventListener("verifalia-widget:field-validation-completed",this.U)}}class u{constructor(e){this.toString=()=>this.message||"[Error]",this.message=e}}const h=["https://api-1.verifalia.com","https://api-2.verifalia.com","https://api-3.verifalia.com"];class f{K(){this.Y(1)}P(){this.Y(2)}Y(e){if(!(f.v>=e)){for(const t of h){const i=1===e?"dns-prefetch":"preconnect",n=document.createElement("link");n.rel=i,n.href=t,n.crossOrigin="anonymous",document.head.appendChild(n)}f.v=e}}}f.v=0;const v=Symbol();class p{constructor(e,t){this.configurationManager=e,this.validator=t,this.speculativePreconnectionManager=new f,this.fields=[],this.speculativePreconnectionManager.K()}wireupFields(e,t){const i=this.configurationManager.s(e);let n=this.J(i);const s=e=>{if(!n)return;const t=n.evaluate(e,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE);for(let e=0;e<t.snapshotLength;e++){const i=t.snapshotItem(e);this.wireupField(i)}};s(e),t&&new MutationObserver(e=>{e.forEach(e=>{e.addedNodes.forEach(e=>{e.nodeType===Node.ELEMENT_NODE&&s(e)})})}).observe(e,{childList:!0,subtree:!0})}J(e){let t;return e.inputBindings.selector&&(t=document.createExpression(e.inputBindings.selector)),t}Z(e){return e[v]}ee(e,t){e[v]=t}wireupField(e){if(this.Z(e))return;if("INPUT"!==e.tagName.toUpperCase()&&"TEXTAREA"!==e.tagName.toUpperCase())throw new u("unsupported element "+e.tagName);const t=this.configurationManager.s(e);if(t.appKey){t.appKey;const i=e.form;if(!i)return;const n=this.te(i,e,this.configurationManager);n.wireup(),this.ee(e,n),this.fields.push(n)}else console.error("An appkey couldn't be found while loading Verifalia: please check your configuration.")}te(e,t,i){return new d(this,e,t,i)}I(){return!1}}class w extends p{constructor(e,t){super(e,t);const i=this;if("undefined"!=typeof $){const n=window.Parsley;$.Deferred&&n&&n.addValidator&&n.addValidator("verifalia-email",{validateString(n,s,r){const o=r.element,a=e.s(o),l=new $.Deferred,c=i.Z(o);return t.G(c).then(t=>{const i=a.emailValidations.messages;switch(t.status){case"Exception":e.l(a,"exception")?l.reject(i.exception):l.resolve();break;case"Canceled":l.reject();break;case"Allowed":l.resolve();break;case"NotAllowed":l.reject(i.invalid);break;case"Throttled":e.l(a,"throttled")?l.reject(i.throttled):l.resolve();break;case"InsufficientBalance":e.l(a,"insufficientBalance")?l.reject(i.insufficientBalance):l.resolve()}}),l.promise()}})}}te(e,t,i){return new c(this,e,t,i)}}class m extends l{constructor(e,t,i,n){super(e,t,i,n)}}function b(e,t,i,n){return new(i||(i=Promise))((function(s,r){function o(e){try{l(n.next(e))}catch(e){r(e)}}function a(e){try{l(n.throw(e))}catch(e){r(e)}}function l(e){var t;e.done?s(e.value):(t=e.value,t instanceof i?t:new i((function(e){e(t)}))).then(o,a)}l((n=n.apply(e,t||[])).next())}))}"function"==typeof SuppressedError&&SuppressedError;class g{constructor(e,t,i,n,s){this.method=e,this.resource=t,this.params=i,this.data=n,this.configOverride=s}}class y{constructor(e){this.toString=()=>this.message||"[Error]",this.message=e}}class E extends y{constructor(){super("The operation was canceled")}}const k=/^(?:(\d*?)\.)?(\d{2})\:(\d{2})\:(\d{2})(?:\.(\d*?))?$/;class x{constructor(){this.progress=null,this.submissionWaitTime=3e4,this.pollWaitTime=3e4}waitForNextPoll(e,t){return b(this,void 0,void 0,(function*(){t&&t.throwIfCancellationRequested();let i=Math.max(.5,Math.min(30,Math.pow(2,Math.log10(e.noOfEntries)-1)));if(e.progress&&e.progress.estimatedTimeRemaining){const t=k.exec(e.progress.estimatedTimeRemaining);if(t){const e=parseInt(t[2]),n=parseInt(t[3]),s=parseInt(t[4]);i=s,i+=60*n,i+=3600*e,i=Math.max(.5,Math.min(30,i))}}return new Promise((e,n)=>{let s;const r=()=>{clearTimeout(s),n(new E)};s=setTimeout(()=>{t&&t.unregister(r),e()},1e3*i),t&&t.register(r)})}))}}function C(e,t,i,n){return b(this,void 0,void 0,(function*(){const s=null!=i?i:x.default,r=e.build(),o=yield r.invoke(new g("GET",`/email-validations/${t}?waitTime=${s.pollWaitTime}`),n);if(200===o.response.status||202===o.response.status){const t=yield o.deserialize();return s===x.default||"Completed"===t.overview.status?T(e,t,n):A(e,t.overview,s,n)}if(404===o.response.status||410===o.response.status)return null;throw new y(`Unexpected HTTP response: ${o.response.status} ${o.response.statusText}`)}))}function T(e,t,i){return b(this,void 0,void 0,(function*(){const n=[];let s=t.entries;for(;s&&s.data&&(n.push(...s.data),s.meta.isTruncated);)s=yield _(e,t.overview.id,{cursor:s.meta.cursor},i);return{overview:t.overview,entries:n}}))}function _(e,t,i,n){return b(this,void 0,void 0,(function*(){if(!t)throw new Error("validationId is null");if(!i)throw new Error("cursor is null");const s=e.build(),r={[i.isBackward?"cursor:prev":"cursor"]:i.cursor};i.limit>0&&(r.limit=i.limit.toString());const o=yield s.invoke(new g("GET",`/email-validations/${t}/entries`,r),n);if(200===o.response.status)return yield o.deserialize();throw new y(`Unexpected HTTP response: ${o.response.status} ${o.response.statusText}`)}))}function A(e,t,i,n){return b(this,void 0,void 0,(function*(){if(!t)throw new Error("validationOverview is null or undefined.");if(!i)throw new Error("waitOptions is null or undefined.");let s=t;for(;;){i.progress&&i.progress(s),yield i.waitForNextPoll(s,n);const r=yield C(e,t.id,i);if(!r)return null;if(s=r.overview,"Completed"===s.status)return r}}))}x.default=new x,x.noWait=(()=>{const e=new x;return e.submissionWaitTime=0,e.pollWaitTime=0,e})();class S extends y{constructor(e){super("All the base URIs are unreachable: "+e.map(e=>""+e).join(", ")),this.innerErrors=e}}class F extends y{constructor(e,t){var i;super(null!==(i=null==t?void 0:t.detail)&&void 0!==i?i:`The 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FormData?e.data:JSON.stringify(e.data),redirect:"manual",headers:{Accept:"application/json, application/problem+json"}};t&&(r.signal=n.signal),this.ne&&(r.headers=Object.assign(Object.assign({},r.headers),{"User-Agent":this.ne})),"POST"!==e.method&&"PUT"!==e.method||(r.headers=Object.assign(Object.assign({},r.headers),{"Content-Type":"application/json"})),r=Object.assign(Object.assign({},r),e.configOverride),e.skipAuthentication||(yield this.ie.authenticate(this,r,t));const o=e.params?Object.entries(e.params).map(([t])=>`${t}=${encodeURIComponent(e.params[t])}`).join("&"):null,a=`${s}${e.resource}${o?"?"+o:""}`;let l;try{l=yield fetch(a,r)}catch(e){if("AbortError"===e.name)throw new E;i.push(e);continue}const c=yield j(l);if(!(l.status>=500&&l.status<=599)){if(401===l.status)throw c&&"/problems/captcha-validation-failed"===c.type?new O(l,c):new I(l,c);if(403===l.status&&(yield this.ie.handleUnauthorizedRequest(this,l,c,t)),402===l.status)throw new P(l,c);if(429===l.status)throw new B(l,c);return{deserialize:()=>b(this,void 0,void 0,(function*(){return yield l.json()})),response:l,status:l.status,statusText:l.statusText,body:l.body}}i.push(new M(l,c))}throw new S(i)}finally{t&&t.unregister(s)}}))}}class V{constructor(e,t){if(this.apiVersion="v2.6",!e)throw new Error("authenticator is null");if(!t||t.length<1)throw new Error("baseUris is null or has no items");this.ie=e,this.se=t}build(){if(!this.oe){const e=[...this.se];for(let t=e.length-1;t>0;t--){const i=Math.floor(Math.random()*(t+1));[e[t],e[i]]=[e[i],e[t]]}this.oe=new D(this.ie,e.map(e=>`${e}/${this.apiVersion}`),this.getUserAgent())}return this.oe}getUserAgent(){var e;if("undefined"!=typeof process&&(null===(e=process.versions)||void 0===e?void 0:e.node))return`verifalia-rest-client/js/5.0.0/node/${process.platform+"/"+process.version},target:browser,format:es`}}class N extends F{constructor(e,t){super(e,t)}}class R{constructor(e,t){if(!e)throw Error("username is null or empty: please visit https://verifalia.com/client-area to set up a new user or a new browser app, if you don't have one.");this.ae=e,this.le=t||""}authenticate(e,t,i){return t.headers=Object.assign(Object.assign({},t.headers),{Authorization:"Basic "+btoa(this.ae+":"+this.le)}),Promise.resolve()}handleUnauthorizedRequest(e,t,i,n){throw new N(t,i)}}class z{constructor(){this.ce=!1,this.de=[]}isCanceled(){return this.ce}register(e){this.ce?e():this.de.push(e)}unregister(e){const t=this.de.indexOf(e);t>=0&&this.de.splice(t,1)}cancel(){this.ce=!0;for(const e of this.de)e();this.de=[]}throwIfCancellationRequested(){if(this.isCanceled())throw new E}}class L extends p{constructor(e,t){super(e,t);const i=window.validate.validators.email.message;window.validate.validators.email=function(i,n,s,r){if(!i)return;const o=e.s(document.body);return new window.validate.Promise((function(s,r){return t.ue(o,i,void 0,new z).then(t=>{var 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