diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2833ca15..cf1b5600 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+### 15.1.1
+
+- fix: Not all namespaces are loaded when passing the lng option to useTranslate [1809](https://github.com/i18next/next-i18next/issues/1809)
+
### 15.1.0
- fix: `` warns 'Each child in a list should have a unique "key" prop.' for react 19 [1806](https://github.com/i18next/next-i18next/pull/1806)
diff --git a/react-i18next.js b/react-i18next.js
index 88749121..8f3d69ce 100644
--- a/react-i18next.js
+++ b/react-i18next.js
@@ -154,6 +154,7 @@
};
const loadLanguages = (i18n, lng, ns, cb) => {
if (isString(ns)) ns = [ns];
+ if (i18n.options.preload && i18n.options.preload.indexOf(lng) > -1) return loadNamespaces(i18n, ns, cb);
ns.forEach(n => {
if (i18n.options.ns.indexOf(n) < 0) i18n.options.ns.push(n);
});
diff --git a/react-i18next.min.js b/react-i18next.min.js
index 7416cb58..a5b378ec 100644
--- a/react-i18next.min.js
+++ b/react-i18next.min.js
@@ -1 +1 @@
-!function(e,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports,require("react")):"function"==typeof define&&define.amd?define(["exports","react"],n):n((e="undefined"!=typeof globalThis?globalThis:e||self).ReactI18next={},e.React)}(this,(function(e,n){"use strict";function t(e){return e&&e.__esModule&&Object.prototype.hasOwnProperty.call(e,"default")?e.default:e}var s=t({area:!0,base:!0,br:!0,col:!0,embed:!0,hr:!0,img:!0,input:!0,link:!0,meta:!0,param:!0,source:!0,track:!0,wbr:!0}),i=/\s([^'"/\s><]+?)[\s/>]|([^\s=]+)=\s?(".*?"|'.*?')/g;function a(e){var n={type:"tag",name:"",voidElement:!1,attrs:{},children:[]},t=e.match(/<\/?([^\s]+?)[/\s>]/);if(t&&(n.name=t[1],(s[t[1]]||"/"===e.charAt(e.length-2))&&(n.voidElement=!0),n.name.startsWith("!--"))){var a=e.indexOf("--\x3e");return{type:"comment",comment:-1!==a?e.slice(4,a):""}}for(var r=new RegExp(i),o=null;null!==(o=r.exec(e));)if(o[0].trim())if(o[1]){var l=o[1].trim(),c=[l,""];l.indexOf("=")>-1&&(c=l.split("=")),n.attrs[c[0]]=c[1],r.lastIndex--}else o[2]&&(n.attrs[o[2]]=o[3].trim().substring(1,o[3].length-1));return n}var r=/<[a-zA-Z0-9\-\!\/](?:"[^"]*"|'[^']*'|[^'">])*>/g,o=/^\s*$/,l=Object.create(null);var c=function(e,n){n||(n={}),n.components||(n.components=l);var t,s=[],i=[],c=-1,u=!1;if(0!==e.indexOf("<")){var p=e.indexOf("<");s.push({type:"text",content:-1===p?e:e.substring(0,p)})}return e.replace(r,(function(r,l){if(u){if(r!==""+t.name+">")return;u=!1}var p,d="/"!==r.charAt(1),f=r.startsWith("\x3c!--"),m=l+r.length,h=e.charAt(m);if(f){var g=a(r);return c<0?(s.push(g),s):((p=i[c]).children.push(g),s)}if(d&&(c++,"tag"===(t=a(r)).type&&n.components[t.name]&&(t.type="component",u=!0),t.voidElement||u||!h||"<"===h||t.children.push({type:"text",content:e.slice(m,e.indexOf("<",m))}),0===c&&s.push(t),(p=i[c-1])&&p.children.push(t),i[c]=t),(!d||t.voidElement)&&(c>-1&&(t.voidElement||t.name===r.slice(2,-1))&&(c--,t=-1===c?s:i[c]),!u&&"<"!==h&&h)){p=-1===c?s:i[c].children;var y=e.indexOf("<",m),x=e.slice(m,-1===y?void 0:y);o.test(x)&&(x=" "),(y>-1&&c+p.length>=0||" "!==x)&&p.push({type:"text",content:x})}})),s};const u=function(){if(console?.warn){for(var e=arguments.length,n=new Array(e),t=0;t()=>{if(e.isInitialized)n();else{const t=()=>{setTimeout((()=>{e.off("initialized",t)}),0),n()};e.on("initialized",t)}},m=(e,n,t)=>{e.loadNamespaces(n,f(e,t))},h=(e,n,t,s)=>{y(t)&&(t=[t]),t.forEach((n=>{e.options.ns.indexOf(n)<0&&e.options.ns.push(n)})),e.loadLanguages(n,f(e,s))},g=e=>e.displayName||e.name||(y(e)&&e.length>0?e:"Unknown"),y=e=>"string"==typeof e,x=e=>"object"==typeof e&&null!==e,b=/&(?:amp|#38|lt|#60|gt|#62|apos|#39|quot|#34|nbsp|#160|copy|#169|reg|#174|hellip|#8230|#x2F|#47);/g,v={"&":"&","&":"&","<":"<","<":"<",">":">",">":">","'":"'","'":"'",""":'"',""":'"'," ":" "," ":" ","©":"©","©":"©","®":"®","®":"®","…":"…","…":"…","/":"/","/":"/"},E=e=>v[e];let O={bindI18n:"languageChanged",bindI18nStore:"",transEmptyNodeValue:"",transSupportBasicHtmlNodes:!0,transWrapTextNodes:"",transKeepBasicHtmlNodesFor:["br","strong","i","p"],useSuspense:!0,unescape:e=>e.replace(b,E)};const N=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};O={...O,...e}},$=()=>O;let w;const k=e=>{w=e},I=()=>w,S=(e,n)=>{if(!e)return!1;const t=e.props?.children??e.children;return n?t.length>0:!!t},j=e=>{if(!e)return[];const n=e.props?.children??e.children;return e.props?.i18nIsDynamicList?R(n):n},R=e=>Array.isArray(e)?e:[e],T=(e,t)=>{if(!e)return"";let s="";const i=R(e),a=t?.transSupportBasicHtmlNodes?t.transKeepBasicHtmlNodesFor??[]:[];return i.forEach(((e,i)=>{if(y(e))s+=`${e}`;else if(n.isValidElement(e)){const{props:n,type:r}=e,o=Object.keys(n).length,l=a.indexOf(r)>-1,c=n.children;if(c||!l||o)if(!c&&(!l||o)||n.i18nIsDynamicList)s+=`<${i}>${i}>`;else if(l&&1===o&&y(c))s+=`<${r}>${c}${r}>`;else{const e=T(c,t);s+=`<${i}>${e}${i}>`}else s+=`<${r}/>`}else if(null===e)u("Trans: the passed in value is invalid - seems you passed in a null child.");else if(x(e)){const{format:n,...t}=e,i=Object.keys(t);if(1===i.length){const e=n?`${i[0]}, ${n}`:i[0];s+=`{{${e}}}`}else u("react-i18next: the passed in object contained more than one variable - the object should look like {{ value, format }} where format is optional.",e)}else u("Trans: the passed in value is invalid - seems you passed in a variable like {number} - please pass in variables for interpolation as full objects like {{number}}.",e)})),s},C=(e,t,s,i,a,r)=>{if(""===t)return[];const o=i.transKeepBasicHtmlNodesFor||[],l=t&&new RegExp(o.map((e=>`<${e}`)).join("|")).test(t);if(!e&&!l&&!r)return[t];const u={},p=e=>{R(e).forEach((e=>{y(e)||(S(e)?p(j(e)):x(e)&&!n.isValidElement(e)&&Object.assign(u,e))}))};p(e);const d=c(`<0>${t}0>`),f={...u,...a},m=(e,t,s)=>{const i=j(e),a=g(i,t.children,s);return(e=>Array.isArray(e)&&e.every(n.isValidElement))(i)&&0===a.length||e.props?.i18nIsDynamicList?i:a},h=(e,t,s,i,a)=>{e.dummy?(e.children=t,s.push(n.cloneElement(e,{key:i},a?void 0:t))):s.push(...n.Children.map([e],(e=>{const s={...e.props};return delete s.i18nIsDynamicList,n.createElement(e.type,{...s,key:i,ref:e.ref},a?null:t)})))},g=(t,a,c)=>{const u=R(t);return R(a).reduce(((t,a,p)=>{const d=a.children?.[0]?.content&&s.services.interpolator.interpolate(a.children[0].content,f,s.language);if("tag"===a.type){let r=u[parseInt(a.name,10)];1!==c.length||r||(r=c[0][a.name]),r||(r={});const b=0!==Object.keys(a.attrs).length?((e,n)=>{const t={...n};return t.props=Object.assign(e.props,n.props),t})({props:a.attrs},r):r,v=n.isValidElement(b),E=v&&S(a,!0)&&!a.voidElement,O=l&&x(b)&&b.dummy&&!v,N=x(e)&&Object.hasOwnProperty.call(e,a.name);if(y(b)){const e=s.services.interpolator.interpolate(b,f,s.language);t.push(e)}else if(S(b)||E){const e=m(b,a,c);h(b,e,t,p)}else if(O){const e=g(u,a.children,c);h(b,e,t,p)}else if(Number.isNaN(parseFloat(a.name)))if(N){const e=m(b,a,c);h(b,e,t,p,a.voidElement)}else if(i.transSupportBasicHtmlNodes&&o.indexOf(a.name)>-1)if(a.voidElement)t.push(n.createElement(a.name,{key:`${a.name}-${p}`}));else{const e=g(u,a.children,c);t.push(n.createElement(a.name,{key:`${a.name}-${p}`},e))}else if(a.voidElement)t.push(`<${a.name} />`);else{const e=g(u,a.children,c);t.push(`<${a.name}>${e}${a.name}>`)}else if(x(b)&&!v){const e=a.children[0]?d:null;e&&t.push(e)}else h(b,d,t,p,1!==a.children.length||!d)}else if("text"===a.type){const e=i.transWrapTextNodes,o=r?i.unescape(s.services.interpolator.interpolate(a.content,f,s.language)):s.services.interpolator.interpolate(a.content,f,s.language);e?t.push(n.createElement(e,{key:`${a.name}-${p}`},o)):t.push(o)}return t}),[])},b=g([{dummy:!0,children:e||[]}],d,R(e||[]));return j(b[0])};function P(e){let{children:t,count:s,parent:i,i18nKey:a,context:r,tOptions:o={},values:l,defaults:c,components:u,ns:p,i18n:f,t:m,shouldUnescape:h,...g}=e;const x=f||I();if(!x)return d("You will need to pass in an i18next instance by using i18nextReactModule"),t;const b=m||x.t.bind(x)||(e=>e),v={...$(),...x.options?.react};let E=p||b.ns||x.options?.defaultNS;E=y(E)?[E]:E||["translation"];const O=T(t,v),N=c||O||v.transEmptyNodeValue||a,{hashTransKey:w}=v,k=a||(w?w(O||N):O||N);x.options?.interpolation?.defaultVariables&&(l=l&&Object.keys(l).length>0?{...l,...x.options.interpolation.defaultVariables}:{...x.options.interpolation.defaultVariables});const S=l||void 0!==s&&!x.options?.interpolation?.alwaysFormat||!t?o.interpolation:{interpolation:{...o.interpolation,prefix:"#$?",suffix:"?$#"}},j={...o,context:r||o.context,count:s,...l,...S,defaultValue:N,ns:E},R=k?b(k,j):N;u&&Object.keys(u).forEach((e=>{u[e].key||(u[e]=n.cloneElement(u[e],{key:e}));const t=u[e];"function"==typeof t.type||!t.props||!t.props.children||R.indexOf(`${e}/>`)<0&&R.indexOf(`${e} />`)<0||(u[e]=n.createElement((function(){return n.createElement(n.Fragment,null,t)})))}));const P=C(u||t,R,x,v,j,h),L=i??v.defaultTransParent;return L?n.createElement(L,g,P):P}const L={type:"3rdParty",init(e){N(e.options.react),k(e)}},A=n.createContext();class V{constructor(){this.usedNamespaces={}}addUsedNamespaces(e){e.forEach((e=>{this.usedNamespaces[e]||(this.usedNamespaces[e]=!0)}))}getUsedNamespaces(){return Object.keys(this.usedNamespaces)}}const z=e=>async n=>({...await(e.getInitialProps?.(n))??{},...F()}),F=()=>{const e=I(),n=e.reportNamespaces?.getUsedNamespaces()??[],t={},s={};return e.languages.forEach((t=>{s[t]={},n.forEach((n=>{s[t][n]=e.getResourceBundle(t,n)||{}}))})),t.initialI18nStore=s,t.initialLanguage=e.language,t};const U=(e,n,t,s)=>e.getFixedT(n,t,s),B=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};const{i18n:s}=t,{i18n:i,defaultNS:a}=n.useContext(A)||{},r=s||i||I();if(r&&!r.reportNamespaces&&(r.reportNamespaces=new V),!r){d("You will need to pass in an i18next instance by using initReactI18next");const e=(e,n)=>y(n)?n:x(n)&&y(n.defaultValue)?n.defaultValue:Array.isArray(e)?e[e.length-1]:e,n=[e,{},!1];return n.t=e,n.i18n={},n.ready=!1,n}r.options.react?.wait&&d("It seems you are still using the old wait option, you may migrate to the new useSuspense behaviour.");const o={...$(),...r.options.react,...t},{useSuspense:l,keyPrefix:c}=o;let u=e||a||r.options?.defaultNS;u=y(u)?[u]:u||["translation"],r.reportNamespaces.addUsedNamespaces?.(u);const p=(r.isInitialized||r.initializedStoreOnce)&&u.every((e=>function(e,n){let t=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};return n.languages&&n.languages.length?n.hasLoadedNamespace(e,{lng:t.lng,precheck:(n,s)=>{if(t.bindI18n?.indexOf("languageChanging")>-1&&n.services.backendConnector.backend&&n.isLanguageChangingTo&&!s(n.isLanguageChangingTo,e))return!1}}):(d("i18n.languages were undefined or empty",n.languages),!0)}(e,r,o))),f=((e,t,s,i)=>n.useCallback(U(e,t,s,i),[e,t,s,i]))(r,t.lng||null,"fallback"===o.nsMode?u:u[0],c),g=()=>f,b=()=>U(r,t.lng||null,"fallback"===o.nsMode?u:u[0],c),[v,E]=n.useState(g);let O=u.join();t.lng&&(O=`${t.lng}${O}`);const N=((e,t)=>{const s=n.useRef();return n.useEffect((()=>{s.current=e}),[e,t]),s.current})(O),w=n.useRef(!0);n.useEffect((()=>{const{bindI18n:e,bindI18nStore:n}=o;w.current=!0,p||l||(t.lng?h(r,t.lng,u,(()=>{w.current&&E(b)})):m(r,u,(()=>{w.current&&E(b)}))),p&&N&&N!==O&&w.current&&E(b);const s=()=>{w.current&&E(b)};return e&&r?.on(e,s),n&&r?.store.on(n,s),()=>{w.current=!1,r&&e?.split(" ").forEach((e=>r.off(e,s))),n&&r&&n.split(" ").forEach((e=>r.store.off(e,s)))}}),[r,O]),n.useEffect((()=>{w.current&&p&&E(g)}),[r,c,p]);const k=[v,r,p];if(k.t=v,k.i18n=r,k.ready=p,p)return k;if(!p&&!l)return k;throw new Promise((e=>{t.lng?h(r,t.lng,u,(()=>e())):m(r,u,(()=>e()))}))};const D=function(e,t){let s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};const{i18n:i}=s,{i18n:a}=n.useContext(A)||{},r=i||a||I();r.options?.isClone||(e&&!r.initializedStoreOnce&&(r.services.resourceStore.data=e,r.options.ns=Object.values(e).reduce(((e,n)=>(Object.keys(n).forEach((n=>{e.indexOf(n)<0&&e.push(n)})),e)),r.options.ns),r.initializedStoreOnce=!0,r.isInitialized=!0),t&&!r.initializedLanguageOnce&&(r.changeLanguage(t),r.initializedLanguageOnce=!0))};e.I18nContext=A,e.I18nextProvider=function(e){let{i18n:t,defaultNS:s,children:i}=e;const a=n.useMemo((()=>({i18n:t,defaultNS:s})),[t,s]);return n.createElement(A.Provider,{value:a},i)},e.Trans=function(e){let{children:t,count:s,parent:i,i18nKey:a,context:r,tOptions:o={},values:l,defaults:c,components:u,ns:p,i18n:d,t:f,shouldUnescape:m,...h}=e;const{i18n:g,defaultNS:y}=n.useContext(A)||{},x=d||g||I(),b=f||x?.t.bind(x);return P({children:t,count:s,parent:i,i18nKey:a,context:r,tOptions:o,values:l,defaults:c,components:u,ns:p||b?.ns||y||x?.options?.defaultNS,i18n:x,t:f,shouldUnescape:m,...h})},e.TransWithoutContext=P,e.Translation=e=>{let{ns:n,children:t,...s}=e;const[i,a,r]=B(n,s);return t(i,{i18n:a,lng:a.language},r)},e.composeInitialProps=z,e.date=()=>"",e.getDefaults=$,e.getI18n=I,e.getInitialProps=F,e.initReactI18next=L,e.number=()=>"",e.plural=()=>"",e.select=()=>"",e.selectOrdinal=()=>"",e.setDefaults=N,e.setI18n=k,e.time=()=>"",e.useSSR=D,e.useTranslation=B,e.withSSR=()=>function(e){function t(t){let{initialI18nStore:s,initialLanguage:i,...a}=t;return D(s,i),n.createElement(e,{...a})}return t.getInitialProps=z(e),t.displayName=`withI18nextSSR(${g(e)})`,t.WrappedComponent=e,t},e.withTranslation=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return function(s){function i(i){let{forwardedRef:a,...r}=i;const[o,l,c]=B(e,{...r,keyPrefix:t.keyPrefix}),u={...r,t:o,i18n:l,tReady:c};return t.withRef&&a?u.ref=a:!t.withRef&&a&&(u.forwardedRef=a),n.createElement(s,u)}i.displayName=`withI18nextTranslation(${g(s)})`,i.WrappedComponent=s;return t.withRef?n.forwardRef(((e,t)=>n.createElement(i,Object.assign({},e,{forwardedRef:t})))):i}}}));
+!function(e,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports,require("react")):"function"==typeof define&&define.amd?define(["exports","react"],n):n((e="undefined"!=typeof globalThis?globalThis:e||self).ReactI18next={},e.React)}(this,(function(e,n){"use strict";function t(e){return e&&e.__esModule&&Object.prototype.hasOwnProperty.call(e,"default")?e.default:e}var s=t({area:!0,base:!0,br:!0,col:!0,embed:!0,hr:!0,img:!0,input:!0,link:!0,meta:!0,param:!0,source:!0,track:!0,wbr:!0}),i=/\s([^'"/\s><]+?)[\s/>]|([^\s=]+)=\s?(".*?"|'.*?')/g;function a(e){var n={type:"tag",name:"",voidElement:!1,attrs:{},children:[]},t=e.match(/<\/?([^\s]+?)[/\s>]/);if(t&&(n.name=t[1],(s[t[1]]||"/"===e.charAt(e.length-2))&&(n.voidElement=!0),n.name.startsWith("!--"))){var a=e.indexOf("--\x3e");return{type:"comment",comment:-1!==a?e.slice(4,a):""}}for(var r=new RegExp(i),o=null;null!==(o=r.exec(e));)if(o[0].trim())if(o[1]){var l=o[1].trim(),c=[l,""];l.indexOf("=")>-1&&(c=l.split("=")),n.attrs[c[0]]=c[1],r.lastIndex--}else o[2]&&(n.attrs[o[2]]=o[3].trim().substring(1,o[3].length-1));return n}var r=/<[a-zA-Z0-9\-\!\/](?:"[^"]*"|'[^']*'|[^'">])*>/g,o=/^\s*$/,l=Object.create(null);var c=function(e,n){n||(n={}),n.components||(n.components=l);var t,s=[],i=[],c=-1,u=!1;if(0!==e.indexOf("<")){var p=e.indexOf("<");s.push({type:"text",content:-1===p?e:e.substring(0,p)})}return e.replace(r,(function(r,l){if(u){if(r!==""+t.name+">")return;u=!1}var p,d="/"!==r.charAt(1),f=r.startsWith("\x3c!--"),m=l+r.length,h=e.charAt(m);if(f){var g=a(r);return c<0?(s.push(g),s):((p=i[c]).children.push(g),s)}if(d&&(c++,"tag"===(t=a(r)).type&&n.components[t.name]&&(t.type="component",u=!0),t.voidElement||u||!h||"<"===h||t.children.push({type:"text",content:e.slice(m,e.indexOf("<",m))}),0===c&&s.push(t),(p=i[c-1])&&p.children.push(t),i[c]=t),(!d||t.voidElement)&&(c>-1&&(t.voidElement||t.name===r.slice(2,-1))&&(c--,t=-1===c?s:i[c]),!u&&"<"!==h&&h)){p=-1===c?s:i[c].children;var y=e.indexOf("<",m),x=e.slice(m,-1===y?void 0:y);o.test(x)&&(x=" "),(y>-1&&c+p.length>=0||" "!==x)&&p.push({type:"text",content:x})}})),s};const u=function(){if(console?.warn){for(var e=arguments.length,n=new Array(e),t=0;t()=>{if(e.isInitialized)n();else{const t=()=>{setTimeout((()=>{e.off("initialized",t)}),0),n()};e.on("initialized",t)}},m=(e,n,t)=>{e.loadNamespaces(n,f(e,t))},h=(e,n,t,s)=>{if(y(t)&&(t=[t]),e.options.preload&&e.options.preload.indexOf(n)>-1)return m(e,t,s);t.forEach((n=>{e.options.ns.indexOf(n)<0&&e.options.ns.push(n)})),e.loadLanguages(n,f(e,s))},g=e=>e.displayName||e.name||(y(e)&&e.length>0?e:"Unknown"),y=e=>"string"==typeof e,x=e=>"object"==typeof e&&null!==e,b=/&(?:amp|#38|lt|#60|gt|#62|apos|#39|quot|#34|nbsp|#160|copy|#169|reg|#174|hellip|#8230|#x2F|#47);/g,v={"&":"&","&":"&","<":"<","<":"<",">":">",">":">","'":"'","'":"'",""":'"',""":'"'," ":" "," ":" ","©":"©","©":"©","®":"®","®":"®","…":"…","…":"…","/":"/","/":"/"},E=e=>v[e];let O={bindI18n:"languageChanged",bindI18nStore:"",transEmptyNodeValue:"",transSupportBasicHtmlNodes:!0,transWrapTextNodes:"",transKeepBasicHtmlNodesFor:["br","strong","i","p"],useSuspense:!0,unescape:e=>e.replace(b,E)};const N=function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};O={...O,...e}},$=()=>O;let w;const k=e=>{w=e},I=()=>w,S=(e,n)=>{if(!e)return!1;const t=e.props?.children??e.children;return n?t.length>0:!!t},j=e=>{if(!e)return[];const n=e.props?.children??e.children;return e.props?.i18nIsDynamicList?R(n):n},R=e=>Array.isArray(e)?e:[e],T=(e,t)=>{if(!e)return"";let s="";const i=R(e),a=t?.transSupportBasicHtmlNodes?t.transKeepBasicHtmlNodesFor??[]:[];return i.forEach(((e,i)=>{if(y(e))s+=`${e}`;else if(n.isValidElement(e)){const{props:n,type:r}=e,o=Object.keys(n).length,l=a.indexOf(r)>-1,c=n.children;if(c||!l||o)if(!c&&(!l||o)||n.i18nIsDynamicList)s+=`<${i}>${i}>`;else if(l&&1===o&&y(c))s+=`<${r}>${c}${r}>`;else{const e=T(c,t);s+=`<${i}>${e}${i}>`}else s+=`<${r}/>`}else if(null===e)u("Trans: the passed in value is invalid - seems you passed in a null child.");else if(x(e)){const{format:n,...t}=e,i=Object.keys(t);if(1===i.length){const e=n?`${i[0]}, ${n}`:i[0];s+=`{{${e}}}`}else u("react-i18next: the passed in object contained more than one variable - the object should look like {{ value, format }} where format is optional.",e)}else u("Trans: the passed in value is invalid - seems you passed in a variable like {number} - please pass in variables for interpolation as full objects like {{number}}.",e)})),s},C=(e,t,s,i,a,r)=>{if(""===t)return[];const o=i.transKeepBasicHtmlNodesFor||[],l=t&&new RegExp(o.map((e=>`<${e}`)).join("|")).test(t);if(!e&&!l&&!r)return[t];const u={},p=e=>{R(e).forEach((e=>{y(e)||(S(e)?p(j(e)):x(e)&&!n.isValidElement(e)&&Object.assign(u,e))}))};p(e);const d=c(`<0>${t}0>`),f={...u,...a},m=(e,t,s)=>{const i=j(e),a=g(i,t.children,s);return(e=>Array.isArray(e)&&e.every(n.isValidElement))(i)&&0===a.length||e.props?.i18nIsDynamicList?i:a},h=(e,t,s,i,a)=>{e.dummy?(e.children=t,s.push(n.cloneElement(e,{key:i},a?void 0:t))):s.push(...n.Children.map([e],(e=>{const s={...e.props};return delete s.i18nIsDynamicList,n.createElement(e.type,{...s,key:i,ref:e.ref},a?null:t)})))},g=(t,a,c)=>{const u=R(t);return R(a).reduce(((t,a,p)=>{const d=a.children?.[0]?.content&&s.services.interpolator.interpolate(a.children[0].content,f,s.language);if("tag"===a.type){let r=u[parseInt(a.name,10)];1!==c.length||r||(r=c[0][a.name]),r||(r={});const b=0!==Object.keys(a.attrs).length?((e,n)=>{const t={...n};return t.props=Object.assign(e.props,n.props),t})({props:a.attrs},r):r,v=n.isValidElement(b),E=v&&S(a,!0)&&!a.voidElement,O=l&&x(b)&&b.dummy&&!v,N=x(e)&&Object.hasOwnProperty.call(e,a.name);if(y(b)){const e=s.services.interpolator.interpolate(b,f,s.language);t.push(e)}else if(S(b)||E){const e=m(b,a,c);h(b,e,t,p)}else if(O){const e=g(u,a.children,c);h(b,e,t,p)}else if(Number.isNaN(parseFloat(a.name)))if(N){const e=m(b,a,c);h(b,e,t,p,a.voidElement)}else if(i.transSupportBasicHtmlNodes&&o.indexOf(a.name)>-1)if(a.voidElement)t.push(n.createElement(a.name,{key:`${a.name}-${p}`}));else{const e=g(u,a.children,c);t.push(n.createElement(a.name,{key:`${a.name}-${p}`},e))}else if(a.voidElement)t.push(`<${a.name} />`);else{const e=g(u,a.children,c);t.push(`<${a.name}>${e}${a.name}>`)}else if(x(b)&&!v){const e=a.children[0]?d:null;e&&t.push(e)}else h(b,d,t,p,1!==a.children.length||!d)}else if("text"===a.type){const e=i.transWrapTextNodes,o=r?i.unescape(s.services.interpolator.interpolate(a.content,f,s.language)):s.services.interpolator.interpolate(a.content,f,s.language);e?t.push(n.createElement(e,{key:`${a.name}-${p}`},o)):t.push(o)}return t}),[])},b=g([{dummy:!0,children:e||[]}],d,R(e||[]));return j(b[0])};function P(e){let{children:t,count:s,parent:i,i18nKey:a,context:r,tOptions:o={},values:l,defaults:c,components:u,ns:p,i18n:f,t:m,shouldUnescape:h,...g}=e;const x=f||I();if(!x)return d("You will need to pass in an i18next instance by using i18nextReactModule"),t;const b=m||x.t.bind(x)||(e=>e),v={...$(),...x.options?.react};let E=p||b.ns||x.options?.defaultNS;E=y(E)?[E]:E||["translation"];const O=T(t,v),N=c||O||v.transEmptyNodeValue||a,{hashTransKey:w}=v,k=a||(w?w(O||N):O||N);x.options?.interpolation?.defaultVariables&&(l=l&&Object.keys(l).length>0?{...l,...x.options.interpolation.defaultVariables}:{...x.options.interpolation.defaultVariables});const S=l||void 0!==s&&!x.options?.interpolation?.alwaysFormat||!t?o.interpolation:{interpolation:{...o.interpolation,prefix:"#$?",suffix:"?$#"}},j={...o,context:r||o.context,count:s,...l,...S,defaultValue:N,ns:E},R=k?b(k,j):N;u&&Object.keys(u).forEach((e=>{u[e].key||(u[e]=n.cloneElement(u[e],{key:e}));const t=u[e];"function"==typeof t.type||!t.props||!t.props.children||R.indexOf(`${e}/>`)<0&&R.indexOf(`${e} />`)<0||(u[e]=n.createElement((function(){return n.createElement(n.Fragment,null,t)})))}));const P=C(u||t,R,x,v,j,h),L=i??v.defaultTransParent;return L?n.createElement(L,g,P):P}const L={type:"3rdParty",init(e){N(e.options.react),k(e)}},A=n.createContext();class V{constructor(){this.usedNamespaces={}}addUsedNamespaces(e){e.forEach((e=>{this.usedNamespaces[e]||(this.usedNamespaces[e]=!0)}))}getUsedNamespaces(){return Object.keys(this.usedNamespaces)}}const z=e=>async n=>({...await(e.getInitialProps?.(n))??{},...F()}),F=()=>{const e=I(),n=e.reportNamespaces?.getUsedNamespaces()??[],t={},s={};return e.languages.forEach((t=>{s[t]={},n.forEach((n=>{s[t][n]=e.getResourceBundle(t,n)||{}}))})),t.initialI18nStore=s,t.initialLanguage=e.language,t};const U=(e,n,t,s)=>e.getFixedT(n,t,s),B=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};const{i18n:s}=t,{i18n:i,defaultNS:a}=n.useContext(A)||{},r=s||i||I();if(r&&!r.reportNamespaces&&(r.reportNamespaces=new V),!r){d("You will need to pass in an i18next instance by using initReactI18next");const e=(e,n)=>y(n)?n:x(n)&&y(n.defaultValue)?n.defaultValue:Array.isArray(e)?e[e.length-1]:e,n=[e,{},!1];return n.t=e,n.i18n={},n.ready=!1,n}r.options.react?.wait&&d("It seems you are still using the old wait option, you may migrate to the new useSuspense behaviour.");const o={...$(),...r.options.react,...t},{useSuspense:l,keyPrefix:c}=o;let u=e||a||r.options?.defaultNS;u=y(u)?[u]:u||["translation"],r.reportNamespaces.addUsedNamespaces?.(u);const p=(r.isInitialized||r.initializedStoreOnce)&&u.every((e=>function(e,n){let t=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};return n.languages&&n.languages.length?n.hasLoadedNamespace(e,{lng:t.lng,precheck:(n,s)=>{if(t.bindI18n?.indexOf("languageChanging")>-1&&n.services.backendConnector.backend&&n.isLanguageChangingTo&&!s(n.isLanguageChangingTo,e))return!1}}):(d("i18n.languages were undefined or empty",n.languages),!0)}(e,r,o))),f=((e,t,s,i)=>n.useCallback(U(e,t,s,i),[e,t,s,i]))(r,t.lng||null,"fallback"===o.nsMode?u:u[0],c),g=()=>f,b=()=>U(r,t.lng||null,"fallback"===o.nsMode?u:u[0],c),[v,E]=n.useState(g);let O=u.join();t.lng&&(O=`${t.lng}${O}`);const N=((e,t)=>{const s=n.useRef();return n.useEffect((()=>{s.current=e}),[e,t]),s.current})(O),w=n.useRef(!0);n.useEffect((()=>{const{bindI18n:e,bindI18nStore:n}=o;w.current=!0,p||l||(t.lng?h(r,t.lng,u,(()=>{w.current&&E(b)})):m(r,u,(()=>{w.current&&E(b)}))),p&&N&&N!==O&&w.current&&E(b);const s=()=>{w.current&&E(b)};return e&&r?.on(e,s),n&&r?.store.on(n,s),()=>{w.current=!1,r&&e?.split(" ").forEach((e=>r.off(e,s))),n&&r&&n.split(" ").forEach((e=>r.store.off(e,s)))}}),[r,O]),n.useEffect((()=>{w.current&&p&&E(g)}),[r,c,p]);const k=[v,r,p];if(k.t=v,k.i18n=r,k.ready=p,p)return k;if(!p&&!l)return k;throw new Promise((e=>{t.lng?h(r,t.lng,u,(()=>e())):m(r,u,(()=>e()))}))};const D=function(e,t){let s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};const{i18n:i}=s,{i18n:a}=n.useContext(A)||{},r=i||a||I();r.options?.isClone||(e&&!r.initializedStoreOnce&&(r.services.resourceStore.data=e,r.options.ns=Object.values(e).reduce(((e,n)=>(Object.keys(n).forEach((n=>{e.indexOf(n)<0&&e.push(n)})),e)),r.options.ns),r.initializedStoreOnce=!0,r.isInitialized=!0),t&&!r.initializedLanguageOnce&&(r.changeLanguage(t),r.initializedLanguageOnce=!0))};e.I18nContext=A,e.I18nextProvider=function(e){let{i18n:t,defaultNS:s,children:i}=e;const a=n.useMemo((()=>({i18n:t,defaultNS:s})),[t,s]);return n.createElement(A.Provider,{value:a},i)},e.Trans=function(e){let{children:t,count:s,parent:i,i18nKey:a,context:r,tOptions:o={},values:l,defaults:c,components:u,ns:p,i18n:d,t:f,shouldUnescape:m,...h}=e;const{i18n:g,defaultNS:y}=n.useContext(A)||{},x=d||g||I(),b=f||x?.t.bind(x);return P({children:t,count:s,parent:i,i18nKey:a,context:r,tOptions:o,values:l,defaults:c,components:u,ns:p||b?.ns||y||x?.options?.defaultNS,i18n:x,t:f,shouldUnescape:m,...h})},e.TransWithoutContext=P,e.Translation=e=>{let{ns:n,children:t,...s}=e;const[i,a,r]=B(n,s);return t(i,{i18n:a,lng:a.language},r)},e.composeInitialProps=z,e.date=()=>"",e.getDefaults=$,e.getI18n=I,e.getInitialProps=F,e.initReactI18next=L,e.number=()=>"",e.plural=()=>"",e.select=()=>"",e.selectOrdinal=()=>"",e.setDefaults=N,e.setI18n=k,e.time=()=>"",e.useSSR=D,e.useTranslation=B,e.withSSR=()=>function(e){function t(t){let{initialI18nStore:s,initialLanguage:i,...a}=t;return D(s,i),n.createElement(e,{...a})}return t.getInitialProps=z(e),t.displayName=`withI18nextSSR(${g(e)})`,t.WrappedComponent=e,t},e.withTranslation=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return function(s){function i(i){let{forwardedRef:a,...r}=i;const[o,l,c]=B(e,{...r,keyPrefix:t.keyPrefix}),u={...r,t:o,i18n:l,tReady:c};return t.withRef&&a?u.ref=a:!t.withRef&&a&&(u.forwardedRef=a),n.createElement(s,u)}i.displayName=`withI18nextTranslation(${g(s)})`,i.WrappedComponent=s;return t.withRef?n.forwardRef(((e,t)=>n.createElement(i,Object.assign({},e,{forwardedRef:t})))):i}}}));
diff --git a/src/utils.js b/src/utils.js
index e6924fa1..7cb32fac 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -45,6 +45,8 @@ export const loadNamespaces = (i18n, ns, cb) => {
export const loadLanguages = (i18n, lng, ns, cb) => {
// eslint-disable-next-line no-param-reassign
if (isString(ns)) ns = [ns];
+ if (i18n.options.preload && i18n.options.preload.indexOf(lng) > -1)
+ return loadNamespaces(i18n, ns, cb);
ns.forEach((n) => {
if (i18n.options.ns.indexOf(n) < 0) i18n.options.ns.push(n);
});