File size: 4,678 Bytes
caddd62 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | import EventEmitter from './EventEmitter.js';
import { getPath, deepFind, setPath, deepExtend, isString } from './utils.js';
// Bundles already seen with keys, shared across instances so SSR setups reusing the same
// resources skip enumerating large bundles on every init (#2449). Only "non-empty" is cached:
// no API removes single keys from a bundle, so a non-empty bundle stays non-empty.
// ponytail: a bundle emptied by hand with `delete` on every key keeps counting as non-empty
const nonEmptyBundles = new WeakSet();
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.includes(ns)) {
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;
if (lng.includes('.')) {
path = lng.split('.');
} else {
path = [lng, ns];
if (key) {
if (Array.isArray(key)) {
path.push(...key);
} else if (isString(key) && keySeparator) {
path.push(...key.split(keySeparator));
} else {
path.push(key);
}
}
}
const result = getPath(this.data, path);
if (!result && !ns && !key && lng.includes('.')) {
lng = path[0];
ns = path[1];
key = path.slice(2).join('.');
}
if (result || !ignoreJSONStructure || !isString(key)) return result;
return deepFind(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.includes('.')) {
path = lng.split('.');
value = ns;
ns = path[1];
}
this.addNamespaces(ns);
setPath(this.data, path, value);
if (!options.silent) this.emit('added', lng, ns, key, value);
}
addResources(lng, ns, resources, options = { silent: false }) {
for (const m in resources) {
if (isString(resources[m]) || Array.isArray(resources[m]))
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, skipCopy: false },
) {
let path = [lng, ns];
if (lng.includes('.')) {
path = lng.split('.');
deep = resources;
resources = ns;
ns = path[1];
}
this.addNamespaces(ns);
let pack = getPath(this.data, path) || {};
if (!options.skipCopy) resources = JSON.parse(JSON.stringify(resources)); // make a copy to fix #2081
if (deep) {
deepExtend(pack, resources, overwrite);
} else {
pack = { ...pack, ...resources };
}
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;
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) => {
const bundle = data[v];
if (nonEmptyBundles.has(bundle)) return true;
if (!bundle || Object.keys(bundle).length === 0) return false;
if (typeof bundle === 'object') nonEmptyBundles.add(bundle);
return true;
});
}
toJSON() {
return this.data;
}
}
export default ResourceStore;
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