react-i18next
Version:
Internationalization for react done right. Using the i18next i18n ecosystem.
873 lines (851 loc) • 30.1 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('react')) :
typeof define === 'function' && define.amd ? define(['exports', 'react'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.ReactI18next = {}, global.React));
})(this, (function (exports, react) { 'use strict';
function getDefaultExportFromCjs (x) {
return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}
var voidElements = {
"area": true,
"base": true,
"br": true,
"col": true,
"embed": true,
"hr": true,
"img": true,
"input": true,
"link": true,
"meta": true,
"param": true,
"source": true,
"track": true,
"wbr": true
};
var e = /*@__PURE__*/getDefaultExportFromCjs(voidElements);
var t = /\s([^'"/\s><]+?)[\s/>]|([^\s=]+)=\s?(".*?"|'.*?')/g;
function n(n) {
var r = {
type: "tag",
name: "",
voidElement: !1,
attrs: {},
children: []
},
i = n.match(/<\/?([^\s]+?)[/\s>]/);
if (i && (r.name = i[1], (e[i[1]] || "/" === n.charAt(n.length - 2)) && (r.voidElement = !0), r.name.startsWith("!--"))) {
var s = n.indexOf("--\x3e");
return {
type: "comment",
comment: -1 !== s ? n.slice(4, s) : ""
};
}
for (var a = new RegExp(t), c = null; null !== (c = a.exec(n));) if (c[0].trim()) if (c[1]) {
var o = c[1].trim(),
l = [o, ""];
o.indexOf("=") > -1 && (l = o.split("=")), r.attrs[l[0]] = l[1], a.lastIndex--;
} else c[2] && (r.attrs[c[2]] = c[3].trim().substring(1, c[3].length - 1));
return r;
}
var r = /<[a-zA-Z0-9\-\!\/](?:"[^"]*"|'[^']*'|[^'">])*>/g,
i = /^\s*$/,
s = Object.create(null);
function a(e, t) {
switch (t.type) {
case "text":
return e + t.content;
case "tag":
return e += "<" + t.name + (t.attrs ? function (e) {
var t = [];
for (var n in e) t.push(n + '="' + e[n] + '"');
return t.length ? " " + t.join(" ") : "";
}(t.attrs) : "") + (t.voidElement ? "/>" : ">"), t.voidElement ? e : e + t.children.reduce(a, "") + "</" + t.name + ">";
case "comment":
return e + "\x3c!--" + t.comment + "--\x3e";
}
}
var c = {
parse: function (e, t) {
t || (t = {}), t.components || (t.components = s);
var a,
c = [],
o = [],
l = -1,
m = !1;
if (0 !== e.indexOf("<")) {
var u = e.indexOf("<");
c.push({
type: "text",
content: -1 === u ? e : e.substring(0, u)
});
}
return e.replace(r, function (r, s) {
if (m) {
if (r !== "</" + a.name + ">") return;
m = !1;
}
var u,
f = "/" !== r.charAt(1),
h = r.startsWith("\x3c!--"),
p = s + r.length,
d = e.charAt(p);
if (h) {
var v = n(r);
return l < 0 ? (c.push(v), c) : ((u = o[l]).children.push(v), c);
}
if (f && (l++, "tag" === (a = n(r)).type && t.components[a.name] && (a.type = "component", m = !0), a.voidElement || m || !d || "<" === d || a.children.push({
type: "text",
content: e.slice(p, e.indexOf("<", p))
}), 0 === l && c.push(a), (u = o[l - 1]) && u.children.push(a), o[l] = a), (!f || a.voidElement) && (l > -1 && (a.voidElement || a.name === r.slice(2, -1)) && (l--, a = -1 === l ? c : o[l]), !m && "<" !== d && d)) {
u = -1 === l ? c : o[l].children;
var x = e.indexOf("<", p),
g = e.slice(p, -1 === x ? void 0 : x);
i.test(g) && (g = " "), (x > -1 && l + u.length >= 0 || " " !== g) && u.push({
type: "text",
content: g
});
}
}), c;
},
stringify: function (e) {
return e.reduce(function (e, t) {
return e + a("", t);
}, "");
}
};
const warn = (i18n, code, msg, rest) => {
const args = [msg, {
code,
...(rest || {})
}];
if (i18n?.services?.logger?.forward) {
return i18n.services.logger.forward(args, 'warn', 'react-i18next::', true);
}
if (isString(args[0])) args[0] = `react-i18next:: ${args[0]}`;
if (i18n?.services?.logger?.warn) {
i18n.services.logger.warn(...args);
} else if (console?.warn) {
console.warn(...args);
}
};
const alreadyWarned = {};
const warnOnce = (i18n, code, msg, rest) => {
if (isString(msg) && alreadyWarned[msg]) return;
if (isString(msg)) alreadyWarned[msg] = new Date();
warn(i18n, code, msg, rest);
};
const loadedClb = (i18n, cb) => () => {
if (i18n.isInitialized) {
cb();
} else {
const initialized = () => {
setTimeout(() => {
i18n.off('initialized', initialized);
}, 0);
cb();
};
i18n.on('initialized', initialized);
}
};
const loadNamespaces = (i18n, ns, cb) => {
i18n.loadNamespaces(ns, loadedClb(i18n, cb));
};
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);
});
i18n.loadLanguages(lng, loadedClb(i18n, cb));
};
const hasLoadedNamespace = function (ns, i18n) {
let options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
if (!i18n.languages || !i18n.languages.length) {
warnOnce(i18n, 'NO_LANGUAGES', 'i18n.languages were undefined or empty', {
languages: i18n.languages
});
return true;
}
return i18n.hasLoadedNamespace(ns, {
lng: options.lng,
precheck: (i18nInstance, loadNotPending) => {
if (options.bindI18n?.indexOf('languageChanging') > -1 && i18nInstance.services.backendConnector.backend && i18nInstance.isLanguageChangingTo && !loadNotPending(i18nInstance.isLanguageChangingTo, ns)) return false;
}
});
};
const getDisplayName = Component => Component.displayName || Component.name || (isString(Component) && Component.length > 0 ? Component : 'Unknown');
const isString = obj => typeof obj === 'string';
const isObject = obj => typeof obj === 'object' && obj !== null;
const matchHtmlEntity = /&(?:amp|#38|lt|#60|gt|#62|apos|#39|quot|#34|nbsp|#160|copy|#169|reg|#174|hellip|#8230|#x2F|#47);/g;
const htmlEntities = {
'&': '&',
'&': '&',
'<': '<',
'<': '<',
'>': '>',
'>': '>',
''': "'",
''': "'",
'"': '"',
'"': '"',
' ': ' ',
' ': ' ',
'©': '©',
'©': '©',
'®': '®',
'®': '®',
'…': '…',
'…': '…',
'/': '/',
'/': '/'
};
const unescapeHtmlEntity = m => htmlEntities[m];
const unescape = text => text.replace(matchHtmlEntity, unescapeHtmlEntity);
let defaultOptions = {
bindI18n: 'languageChanged',
bindI18nStore: '',
transEmptyNodeValue: '',
transSupportBasicHtmlNodes: true,
transWrapTextNodes: '',
transKeepBasicHtmlNodesFor: ['br', 'strong', 'i', 'p'],
useSuspense: true,
unescape
};
const setDefaults = function () {
let options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
defaultOptions = {
...defaultOptions,
...options
};
};
const getDefaults = () => defaultOptions;
let i18nInstance;
const setI18n = instance => {
i18nInstance = instance;
};
const getI18n = () => i18nInstance;
const hasChildren = (node, checkLength) => {
if (!node) return false;
const base = node.props?.children ?? node.children;
if (checkLength) return base.length > 0;
return !!base;
};
const getChildren = node => {
if (!node) return [];
const children = node.props?.children ?? node.children;
return node.props?.i18nIsDynamicList ? getAsArray(children) : children;
};
const hasValidReactChildren = children => Array.isArray(children) && children.every(react.isValidElement);
const getAsArray = data => Array.isArray(data) ? data : [data];
const mergeProps = (source, target) => {
const newTarget = {
...target
};
newTarget.props = Object.assign(source.props, target.props);
return newTarget;
};
const nodesToString = (children, i18nOptions, i18n, i18nKey) => {
if (!children) return '';
let stringNode = '';
const childrenArray = getAsArray(children);
const keepArray = i18nOptions?.transSupportBasicHtmlNodes ? i18nOptions.transKeepBasicHtmlNodesFor ?? [] : [];
childrenArray.forEach((child, childIndex) => {
if (isString(child)) {
stringNode += `${child}`;
return;
}
if (react.isValidElement(child)) {
const {
props,
type
} = child;
const childPropsCount = Object.keys(props).length;
const shouldKeepChild = keepArray.indexOf(type) > -1;
const childChildren = props.children;
if (!childChildren && shouldKeepChild && !childPropsCount) {
stringNode += `<${type}/>`;
return;
}
if (!childChildren && (!shouldKeepChild || childPropsCount) || props.i18nIsDynamicList) {
stringNode += `<${childIndex}></${childIndex}>`;
return;
}
if (shouldKeepChild && childPropsCount === 1 && isString(childChildren)) {
stringNode += `<${type}>${childChildren}</${type}>`;
return;
}
const content = nodesToString(childChildren, i18nOptions, i18n, i18nKey);
stringNode += `<${childIndex}>${content}</${childIndex}>`;
return;
}
if (child === null) {
warn(i18n, 'TRANS_NULL_VALUE', `Passed in a null value as child`, {
i18nKey
});
return;
}
if (isObject(child)) {
const {
format,
...clone
} = child;
const keys = Object.keys(clone);
if (keys.length === 1) {
const value = format ? `${keys[0]}, ${format}` : keys[0];
stringNode += `{{${value}}}`;
return;
}
warn(i18n, 'TRANS_INVALID_OBJ', `Invalid child - Object should only have keys {{ value, format }} (format is optional).`, {
i18nKey,
child
});
return;
}
warn(i18n, 'TRANS_INVALID_VAR', `Passed in a variable like {number} - pass variables for interpolation as full objects like {{number}}.`, {
i18nKey,
child
});
});
return stringNode;
};
const renderNodes = (children, targetString, i18n, i18nOptions, combinedTOpts, shouldUnescape) => {
if (targetString === '') return [];
const keepArray = i18nOptions.transKeepBasicHtmlNodesFor || [];
const emptyChildrenButNeedsHandling = targetString && new RegExp(keepArray.map(keep => `<${keep}`).join('|')).test(targetString);
if (!children && !emptyChildrenButNeedsHandling && !shouldUnescape) return [targetString];
const data = {};
const getData = childs => {
const childrenArray = getAsArray(childs);
childrenArray.forEach(child => {
if (isString(child)) return;
if (hasChildren(child)) getData(getChildren(child));else if (isObject(child) && !react.isValidElement(child)) Object.assign(data, child);
});
};
getData(children);
const ast = c.parse(`<0>${targetString}</0>`);
const opts = {
...data,
...combinedTOpts
};
const renderInner = (child, node, rootReactNode) => {
const childs = getChildren(child);
const mappedChildren = mapAST(childs, node.children, rootReactNode);
return hasValidReactChildren(childs) && mappedChildren.length === 0 || child.props?.i18nIsDynamicList ? childs : mappedChildren;
};
const pushTranslatedJSX = (child, inner, mem, i, isVoid) => {
if (child.dummy) {
child.children = inner;
mem.push(react.cloneElement(child, {
key: i
}, isVoid ? undefined : inner));
} else {
mem.push(...react.Children.map([child], c => {
const props = {
...c.props
};
delete props.i18nIsDynamicList;
return react.createElement(c.type, {
...props,
key: i,
ref: c.ref
}, isVoid ? null : inner);
}));
}
};
const mapAST = (reactNode, astNode, rootReactNode) => {
const reactNodes = getAsArray(reactNode);
const astNodes = getAsArray(astNode);
return astNodes.reduce((mem, node, i) => {
const translationContent = node.children?.[0]?.content && i18n.services.interpolator.interpolate(node.children[0].content, opts, i18n.language);
if (node.type === 'tag') {
let tmp = reactNodes[parseInt(node.name, 10)];
if (rootReactNode.length === 1 && !tmp) tmp = rootReactNode[0][node.name];
if (!tmp) tmp = {};
const child = Object.keys(node.attrs).length !== 0 ? mergeProps({
props: node.attrs
}, tmp) : tmp;
const isElement = react.isValidElement(child);
const isValidTranslationWithChildren = isElement && hasChildren(node, true) && !node.voidElement;
const isEmptyTransWithHTML = emptyChildrenButNeedsHandling && isObject(child) && child.dummy && !isElement;
const isKnownComponent = isObject(children) && Object.hasOwnProperty.call(children, node.name);
if (isString(child)) {
const value = i18n.services.interpolator.interpolate(child, opts, i18n.language);
mem.push(value);
} else if (hasChildren(child) || isValidTranslationWithChildren) {
const inner = renderInner(child, node, rootReactNode);
pushTranslatedJSX(child, inner, mem, i);
} else if (isEmptyTransWithHTML) {
const inner = mapAST(reactNodes, node.children, rootReactNode);
pushTranslatedJSX(child, inner, mem, i);
} else if (Number.isNaN(parseFloat(node.name))) {
if (isKnownComponent) {
const inner = renderInner(child, node, rootReactNode);
pushTranslatedJSX(child, inner, mem, i, node.voidElement);
} else if (i18nOptions.transSupportBasicHtmlNodes && keepArray.indexOf(node.name) > -1) {
if (node.voidElement) {
mem.push(react.createElement(node.name, {
key: `${node.name}-${i}`
}));
} else {
const inner = mapAST(reactNodes, node.children, rootReactNode);
mem.push(react.createElement(node.name, {
key: `${node.name}-${i}`
}, inner));
}
} else if (node.voidElement) {
mem.push(`<${node.name} />`);
} else {
const inner = mapAST(reactNodes, node.children, rootReactNode);
mem.push(`<${node.name}>${inner}</${node.name}>`);
}
} else if (isObject(child) && !isElement) {
const content = node.children[0] ? translationContent : null;
if (content) mem.push(content);
} else {
pushTranslatedJSX(child, translationContent, mem, i, node.children.length !== 1 || !translationContent);
}
} else if (node.type === 'text') {
const wrapTextNodes = i18nOptions.transWrapTextNodes;
const content = shouldUnescape ? i18nOptions.unescape(i18n.services.interpolator.interpolate(node.content, opts, i18n.language)) : i18n.services.interpolator.interpolate(node.content, opts, i18n.language);
if (wrapTextNodes) {
mem.push(react.createElement(wrapTextNodes, {
key: `${node.name}-${i}`
}, content));
} else {
mem.push(content);
}
}
return mem;
}, []);
};
const result = mapAST([{
dummy: true,
children: children || []
}], ast, getAsArray(children || []));
return getChildren(result[0]);
};
const fixComponentProps = (component, index, translation) => {
const componentKey = component.key || index;
const comp = react.cloneElement(component, {
key: componentKey
});
if (!comp.props || !comp.props.children || translation.indexOf(`${index}/>`) < 0 && translation.indexOf(`${index} />`) < 0) {
return comp;
}
function Componentized() {
return react.createElement(react.Fragment, null, comp);
}
return react.createElement(Componentized, {
key: componentKey
});
};
const generateArrayComponents = (components, translation) => components.map((c, index) => fixComponentProps(c, index, translation));
const generateObjectComponents = (components, translation) => {
const componentMap = {};
Object.keys(components).forEach(c => {
Object.assign(componentMap, {
[c]: fixComponentProps(components[c], c, translation)
});
});
return componentMap;
};
const generateComponents = (components, translation, i18n, i18nKey) => {
if (!components) return null;
if (Array.isArray(components)) {
return generateArrayComponents(components, translation);
}
if (isObject(components)) {
return generateObjectComponents(components, translation);
}
warnOnce(i18n, 'TRANS_INVALID_COMPONENTS', `<Trans /> "components" prop expects an object or array`, {
i18nKey
});
return null;
};
function Trans$1(_ref) {
let {
children,
count,
parent,
i18nKey,
context,
tOptions = {},
values,
defaults,
components,
ns,
i18n: i18nFromProps,
t: tFromProps,
shouldUnescape,
...additionalProps
} = _ref;
const i18n = i18nFromProps || getI18n();
if (!i18n) {
warnOnce(i18n, 'NO_I18NEXT_INSTANCE', `Trans: You need to pass in an i18next instance using i18nextReactModule`, {
i18nKey
});
return children;
}
const t = tFromProps || i18n.t.bind(i18n) || (k => k);
const reactI18nextOptions = {
...getDefaults(),
...i18n.options?.react
};
let namespaces = ns || t.ns || i18n.options?.defaultNS;
namespaces = isString(namespaces) ? [namespaces] : namespaces || ['translation'];
const nodeAsString = nodesToString(children, reactI18nextOptions, i18n, i18nKey);
const defaultValue = defaults || nodeAsString || reactI18nextOptions.transEmptyNodeValue || i18nKey;
const {
hashTransKey
} = reactI18nextOptions;
const key = i18nKey || (hashTransKey ? hashTransKey(nodeAsString || defaultValue) : nodeAsString || defaultValue);
if (i18n.options?.interpolation?.defaultVariables) {
values = values && Object.keys(values).length > 0 ? {
...values,
...i18n.options.interpolation.defaultVariables
} : {
...i18n.options.interpolation.defaultVariables
};
}
const interpolationOverride = values || count !== undefined && !i18n.options?.interpolation?.alwaysFormat || !children ? tOptions.interpolation : {
interpolation: {
...tOptions.interpolation,
prefix: '#$?',
suffix: '?$#'
}
};
const combinedTOpts = {
...tOptions,
context: context || tOptions.context,
count,
...values,
...interpolationOverride,
defaultValue,
ns: namespaces
};
const translation = key ? t(key, combinedTOpts) : defaultValue;
const generatedComponents = generateComponents(components, translation, i18n, i18nKey);
const content = renderNodes(generatedComponents || children, translation, i18n, reactI18nextOptions, combinedTOpts, shouldUnescape);
const useAsParent = parent ?? reactI18nextOptions.defaultTransParent;
return useAsParent ? react.createElement(useAsParent, additionalProps, content) : content;
}
const initReactI18next = {
type: '3rdParty',
init(instance) {
setDefaults(instance.options.react);
setI18n(instance);
}
};
const I18nContext = react.createContext();
class ReportNamespaces {
constructor() {
this.usedNamespaces = {};
}
addUsedNamespaces(namespaces) {
namespaces.forEach(ns => {
if (!this.usedNamespaces[ns]) this.usedNamespaces[ns] = true;
});
}
getUsedNamespaces() {
return Object.keys(this.usedNamespaces);
}
}
const composeInitialProps = ForComponent => async ctx => {
const componentsInitialProps = (await ForComponent.getInitialProps?.(ctx)) ?? {};
const i18nInitialProps = getInitialProps();
return {
...componentsInitialProps,
...i18nInitialProps
};
};
const getInitialProps = () => {
const i18n = getI18n();
const namespaces = i18n.reportNamespaces?.getUsedNamespaces() ?? [];
const ret = {};
const initialI18nStore = {};
i18n.languages.forEach(l => {
initialI18nStore[l] = {};
namespaces.forEach(ns => {
initialI18nStore[l][ns] = i18n.getResourceBundle(l, ns) || {};
});
});
ret.initialI18nStore = initialI18nStore;
ret.initialLanguage = i18n.language;
return ret;
};
function Trans(_ref) {
let {
children,
count,
parent,
i18nKey,
context,
tOptions = {},
values,
defaults,
components,
ns,
i18n: i18nFromProps,
t: tFromProps,
shouldUnescape,
...additionalProps
} = _ref;
const {
i18n: i18nFromContext,
defaultNS: defaultNSFromContext
} = react.useContext(I18nContext) || {};
const i18n = i18nFromProps || i18nFromContext || getI18n();
const t = tFromProps || i18n?.t.bind(i18n);
return Trans$1({
children,
count,
parent,
i18nKey,
context,
tOptions,
values,
defaults,
components,
ns: ns || t?.ns || defaultNSFromContext || i18n?.options?.defaultNS,
i18n,
t: tFromProps,
shouldUnescape,
...additionalProps
});
}
const usePrevious = (value, ignore) => {
const ref = react.useRef();
react.useEffect(() => {
ref.current = value;
}, [value, ignore]);
return ref.current;
};
const alwaysNewT = (i18n, language, namespace, keyPrefix) => i18n.getFixedT(language, namespace, keyPrefix);
const useMemoizedT = (i18n, language, namespace, keyPrefix) => react.useCallback(alwaysNewT(i18n, language, namespace, keyPrefix), [i18n, language, namespace, keyPrefix]);
const useTranslation = function (ns) {
let props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
const {
i18n: i18nFromProps
} = props;
const {
i18n: i18nFromContext,
defaultNS: defaultNSFromContext
} = react.useContext(I18nContext) || {};
const i18n = i18nFromProps || i18nFromContext || getI18n();
if (i18n && !i18n.reportNamespaces) i18n.reportNamespaces = new ReportNamespaces();
if (!i18n) {
warnOnce(i18n, 'NO_I18NEXT_INSTANCE', 'useTranslation: You will need to pass in an i18next instance by using initReactI18next');
const notReadyT = (k, optsOrDefaultValue) => {
if (isString(optsOrDefaultValue)) return optsOrDefaultValue;
if (isObject(optsOrDefaultValue) && isString(optsOrDefaultValue.defaultValue)) return optsOrDefaultValue.defaultValue;
return Array.isArray(k) ? k[k.length - 1] : k;
};
const retNotReady = [notReadyT, {}, false];
retNotReady.t = notReadyT;
retNotReady.i18n = {};
retNotReady.ready = false;
return retNotReady;
}
if (i18n.options.react?.wait) warnOnce(i18n, 'DEPRECATED_OPTION', 'useTranslation: It seems you are still using the old wait option, you may migrate to the new useSuspense behaviour.');
const i18nOptions = {
...getDefaults(),
...i18n.options.react,
...props
};
const {
useSuspense,
keyPrefix
} = i18nOptions;
let namespaces = ns || defaultNSFromContext || i18n.options?.defaultNS;
namespaces = isString(namespaces) ? [namespaces] : namespaces || ['translation'];
i18n.reportNamespaces.addUsedNamespaces?.(namespaces);
const ready = (i18n.isInitialized || i18n.initializedStoreOnce) && namespaces.every(n => hasLoadedNamespace(n, i18n, i18nOptions));
const memoGetT = useMemoizedT(i18n, props.lng || null, i18nOptions.nsMode === 'fallback' ? namespaces : namespaces[0], keyPrefix);
const getT = () => memoGetT;
const getNewT = () => alwaysNewT(i18n, props.lng || null, i18nOptions.nsMode === 'fallback' ? namespaces : namespaces[0], keyPrefix);
const [t, setT] = react.useState(getT);
let joinedNS = namespaces.join();
if (props.lng) joinedNS = `${props.lng}${joinedNS}`;
const previousJoinedNS = usePrevious(joinedNS);
const isMounted = react.useRef(true);
react.useEffect(() => {
const {
bindI18n,
bindI18nStore
} = i18nOptions;
isMounted.current = true;
if (!ready && !useSuspense) {
if (props.lng) {
loadLanguages(i18n, props.lng, namespaces, () => {
if (isMounted.current) setT(getNewT);
});
} else {
loadNamespaces(i18n, namespaces, () => {
if (isMounted.current) setT(getNewT);
});
}
}
if (ready && previousJoinedNS && previousJoinedNS !== joinedNS && isMounted.current) {
setT(getNewT);
}
const boundReset = () => {
if (isMounted.current) setT(getNewT);
};
if (bindI18n) i18n?.on(bindI18n, boundReset);
if (bindI18nStore) i18n?.store.on(bindI18nStore, boundReset);
return () => {
isMounted.current = false;
if (i18n) bindI18n?.split(' ').forEach(e => i18n.off(e, boundReset));
if (bindI18nStore && i18n) bindI18nStore.split(' ').forEach(e => i18n.store.off(e, boundReset));
};
}, [i18n, joinedNS]);
react.useEffect(() => {
if (isMounted.current && ready) {
setT(getT);
}
}, [i18n, keyPrefix, ready]);
const ret = [t, i18n, ready];
ret.t = t;
ret.i18n = i18n;
ret.ready = ready;
if (ready) return ret;
if (!ready && !useSuspense) return ret;
throw new Promise(resolve => {
if (props.lng) {
loadLanguages(i18n, props.lng, namespaces, () => resolve());
} else {
loadNamespaces(i18n, namespaces, () => resolve());
}
});
};
const withTranslation = function (ns) {
let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
return function Extend(WrappedComponent) {
function I18nextWithTranslation(_ref) {
let {
forwardedRef,
...rest
} = _ref;
const [t, i18n, ready] = useTranslation(ns, {
...rest,
keyPrefix: options.keyPrefix
});
const passDownProps = {
...rest,
t,
i18n,
tReady: ready
};
if (options.withRef && forwardedRef) {
passDownProps.ref = forwardedRef;
} else if (!options.withRef && forwardedRef) {
passDownProps.forwardedRef = forwardedRef;
}
return react.createElement(WrappedComponent, passDownProps);
}
I18nextWithTranslation.displayName = `withI18nextTranslation(${getDisplayName(WrappedComponent)})`;
I18nextWithTranslation.WrappedComponent = WrappedComponent;
const forwardRef = (props, ref) => react.createElement(I18nextWithTranslation, Object.assign({}, props, {
forwardedRef: ref
}));
return options.withRef ? react.forwardRef(forwardRef) : I18nextWithTranslation;
};
};
const Translation = _ref => {
let {
ns,
children,
...options
} = _ref;
const [t, i18n, ready] = useTranslation(ns, options);
return children(t, {
i18n,
lng: i18n.language
}, ready);
};
function I18nextProvider(_ref) {
let {
i18n,
defaultNS,
children
} = _ref;
const value = react.useMemo(() => ({
i18n,
defaultNS
}), [i18n, defaultNS]);
return react.createElement(I18nContext.Provider, {
value
}, children);
}
const useSSR = function (initialI18nStore, initialLanguage) {
let props = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
const {
i18n: i18nFromProps
} = props;
const {
i18n: i18nFromContext
} = react.useContext(I18nContext) || {};
const i18n = i18nFromProps || i18nFromContext || getI18n();
if (i18n.options?.isClone) return;
if (initialI18nStore && !i18n.initializedStoreOnce) {
i18n.services.resourceStore.data = initialI18nStore;
i18n.options.ns = Object.values(initialI18nStore).reduce((mem, lngResources) => {
Object.keys(lngResources).forEach(ns => {
if (mem.indexOf(ns) < 0) mem.push(ns);
});
return mem;
}, i18n.options.ns);
i18n.initializedStoreOnce = true;
i18n.isInitialized = true;
}
if (initialLanguage && !i18n.initializedLanguageOnce) {
i18n.changeLanguage(initialLanguage);
i18n.initializedLanguageOnce = true;
}
};
const withSSR = () => function Extend(WrappedComponent) {
function I18nextWithSSR(_ref) {
let {
initialI18nStore,
initialLanguage,
...rest
} = _ref;
useSSR(initialI18nStore, initialLanguage);
return react.createElement(WrappedComponent, {
...rest
});
}
I18nextWithSSR.getInitialProps = composeInitialProps(WrappedComponent);
I18nextWithSSR.displayName = `withI18nextSSR(${getDisplayName(WrappedComponent)})`;
I18nextWithSSR.WrappedComponent = WrappedComponent;
return I18nextWithSSR;
};
const date = () => '';
const time = () => '';
const number = () => '';
const select = () => '';
const plural = () => '';
const selectOrdinal = () => '';
exports.I18nContext = I18nContext;
exports.I18nextProvider = I18nextProvider;
exports.Trans = Trans;
exports.TransWithoutContext = Trans$1;
exports.Translation = Translation;
exports.composeInitialProps = composeInitialProps;
exports.date = date;
exports.getDefaults = getDefaults;
exports.getI18n = getI18n;
exports.getInitialProps = getInitialProps;
exports.initReactI18next = initReactI18next;
exports.number = number;
exports.plural = plural;
exports.select = select;
exports.selectOrdinal = selectOrdinal;
exports.setDefaults = setDefaults;
exports.setI18n = setI18n;
exports.time = time;
exports.useSSR = useSSR;
exports.useTranslation = useTranslation;
exports.withSSR = withSSR;
exports.withTranslation = withTranslation;
}));