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ResourceStore.js
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ResourceStore.js
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import EventEmitter from './EventEmitter.js';
import * as utils from './utils.js';
class ResourceStore extends EventEmitter {
constructor(data, options = { ns: ['translation'], defaultNS: 'translation' }) {
super();
this.data = data || {};
this.options = options;
if (this.options.keySeparator === undefined) {
this.options.keySeparator = '.';
}
if (this.options.ignoreJSONStructure === undefined) {
this.options.ignoreJSONStructure = true;
}
}
addNamespaces(ns) {
if (this.options.ns.indexOf(ns) < 0) {
this.options.ns.push(ns);
}
}
removeNamespaces(ns) {
const index = this.options.ns.indexOf(ns);
if (index > -1) {
this.options.ns.splice(index, 1);
}
}
getResource(lng, ns, key, options = {}) {
const keySeparator =
options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator;
const ignoreJSONStructure =
options.ignoreJSONStructure !== undefined
? options.ignoreJSONStructure
: this.options.ignoreJSONStructure;
let path = [lng, ns];
if (key && typeof key !== 'string') path = path.concat(key);
if (key && typeof key === 'string')
path = path.concat(keySeparator ? key.split(keySeparator) : key);
if (lng.indexOf('.') > -1) {
path = lng.split('.');
}
const result = utils.getPath(this.data, path);
if (result || !ignoreJSONStructure || typeof key !== 'string') return result;
return utils.deepFind(this.data && this.data[lng] && this.data[lng][ns], key, keySeparator);
}
addResource(lng, ns, key, value, options = { silent: false }) {
const keySeparator =
options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator;
let path = [lng, ns];
if (key) path = path.concat(keySeparator ? key.split(keySeparator) : key);
if (lng.indexOf('.') > -1) {
path = lng.split('.');
value = ns;
ns = path[1];
}
this.addNamespaces(ns);
utils.setPath(this.data, path, value);
if (!options.silent) this.emit('added', lng, ns, key, value);
}
addResources(lng, ns, resources, options = { silent: false }) {
/* eslint no-restricted-syntax: 0 */
for (const m in resources) {
if (
typeof resources[m] === 'string' ||
Object.prototype.toString.apply(resources[m]) === '[object Array]'
)
this.addResource(lng, ns, m, resources[m], { silent: true });
}
if (!options.silent) this.emit('added', lng, ns, resources);
}
addResourceBundle(lng, ns, resources, deep, overwrite, options = { silent: false }) {
let path = [lng, ns];
if (lng.indexOf('.') > -1) {
path = lng.split('.');
deep = resources;
resources = ns;
ns = path[1];
}
this.addNamespaces(ns);
let pack = utils.getPath(this.data, path) || {};
if (deep) {
utils.deepExtend(pack, resources, overwrite);
} else {
pack = { ...pack, ...resources };
}
utils.setPath(this.data, path, pack);
if (!options.silent) this.emit('added', lng, ns, resources);
}
removeResourceBundle(lng, ns) {
if (this.hasResourceBundle(lng, ns)) {
delete this.data[lng][ns];
}
this.removeNamespaces(ns);
this.emit('removed', lng, ns);
}
hasResourceBundle(lng, ns) {
return this.getResource(lng, ns) !== undefined;
}
getResourceBundle(lng, ns) {
if (!ns) ns = this.options.defaultNS;
// COMPATIBILITY: remove extend in v2.1.0
if (this.options.compatibilityAPI === 'v1') return { ...{}, ...this.getResource(lng, ns) };
return this.getResource(lng, ns);
}
getDataByLanguage(lng) {
return this.data[lng];
}
hasLanguageSomeTranslations(lng) {
const data = this.getDataByLanguage(lng);
const n = (data && Object.keys(data)) || [];
return !!n.find((v) => data[v] && Object.keys(data[v]).length > 0);
}
toJSON() {
return this.data;
}
}
export default ResourceStore;