n8n/packages/editor-ui/src/plugins/i18n/index.ts
Iván Ovejero 5ca2148c7e
refactor(editor): Apply Prettier (no-changelog) (#4920)
*  Adjust `format` script

* 🔥 Remove exemption for `editor-ui`

* 🎨 Prettify

* 👕 Fix lint
2022-12-14 10:04:10 +01:00

455 lines
12 KiB
TypeScript

import Vue from 'vue';
import axios from 'axios';
import VueI18n from 'vue-i18n';
import { INodeTranslationHeaders, IRootState } from '@/Interface';
import {
deriveMiddleKey,
isNestedInCollectionLike,
normalize,
insertOptionsAndValues,
} from './utils';
import { locale } from 'n8n-design-system';
import englishBaseText from './locales/en.json';
import { useUIStore } from '@/stores/ui';
import { useNDVStore } from '@/stores/ndv';
import { INodeProperties, INodePropertyCollection, INodePropertyOptions } from 'n8n-workflow';
Vue.use(VueI18n);
locale.use('en');
export let i18n: I18nClass;
export function I18nPlugin(vue: typeof Vue): void {
i18n = new I18nClass();
Object.defineProperty(vue, '$locale', {
get() {
return i18n;
},
});
Object.defineProperty(vue.prototype, '$locale', {
get() {
return i18n;
},
});
}
export class I18nClass {
private get i18n(): VueI18n {
return i18nInstance;
}
// ----------------------------------
// helper methods
// ----------------------------------
exists(key: string) {
return this.i18n.te(key);
}
shortNodeType(longNodeType: string) {
return longNodeType.replace('n8n-nodes-base.', '');
}
// ----------------------------------
// render methods
// ----------------------------------
/**
* Render a string of base text, i.e. a string with a fixed path to the localized value. Optionally allows for [interpolation](https://kazupon.github.io/vue-i18n/guide/formatting.html#named-formatting) when the localized value contains a string between curly braces.
*/
baseText(
key: BaseTextKey,
options?: { adjustToNumber?: number; interpolate?: { [key: string]: string } },
): string {
if (options && options.adjustToNumber) {
return this.i18n.tc(key, options.adjustToNumber, options && options.interpolate).toString();
}
return this.i18n.t(key, options && options.interpolate).toString();
}
/**
* Render a string of dynamic text, i.e. a string with a constructed path to the localized value.
*/
private dynamicRender({ key, fallback }: { key: string; fallback?: string }) {
return this.i18n.te(key) ? this.i18n.t(key).toString() : fallback ?? '';
}
/**
* Render a string of header text (a node's name and description),
* used variously in the nodes panel, under the node icon, etc.
*/
headerText(arg: { key: string; fallback: string }) {
return this.dynamicRender(arg);
}
/**
* Namespace for methods to render text in the credentials details modal.
*/
credText() {
const uiStore = useUIStore();
const credentialType = uiStore.activeCredentialType;
const credentialPrefix = `n8n-nodes-base.credentials.${credentialType}`;
const context = this;
return {
/**
* Display name for a top-level param.
*/
inputLabelDisplayName({ name: parameterName, displayName }: INodeProperties) {
if (['clientId', 'clientSecret'].includes(parameterName)) {
return context.dynamicRender({
key: `_reusableDynamicText.oauth2.${parameterName}`,
fallback: displayName,
});
}
return context.dynamicRender({
key: `${credentialPrefix}.${parameterName}.displayName`,
fallback: displayName,
});
},
/**
* Hint for a top-level param.
*/
hint({ name: parameterName, hint }: INodeProperties) {
return context.dynamicRender({
key: `${credentialPrefix}.${parameterName}.hint`,
fallback: hint,
});
},
/**
* Description (tooltip text) for an input label param.
*/
inputLabelDescription({ name: parameterName, description }: INodeProperties) {
return context.dynamicRender({
key: `${credentialPrefix}.${parameterName}.description`,
fallback: description,
});
},
/**
* Display name for an option inside an `options` or `multiOptions` param.
*/
optionsOptionDisplayName(
{ name: parameterName }: INodeProperties,
{ value: optionName, name: displayName }: INodePropertyOptions,
) {
return context.dynamicRender({
key: `${credentialPrefix}.${parameterName}.options.${optionName}.displayName`,
fallback: displayName,
});
},
/**
* Description for an option inside an `options` or `multiOptions` param.
*/
optionsOptionDescription(
{ name: parameterName }: INodeProperties,
{ value: optionName, description }: INodePropertyOptions,
) {
return context.dynamicRender({
key: `${credentialPrefix}.${parameterName}.options.${optionName}.description`,
fallback: description,
});
},
/**
* Placeholder for a `string` param.
*/
placeholder({ name: parameterName, placeholder }: INodeProperties) {
return context.dynamicRender({
key: `${credentialPrefix}.${parameterName}.placeholder`,
fallback: placeholder,
});
},
};
}
/**
* Namespace for methods to render text in the node details view,
* except for `eventTriggerDescription`.
*/
nodeText() {
const ndvStore = useNDVStore();
const activeNode = ndvStore.activeNode;
const nodeType = activeNode ? this.shortNodeType(activeNode.type as string) : ''; // unused in eventTriggerDescription
const initialKey = `n8n-nodes-base.nodes.${nodeType}.nodeView`;
const context = this;
return {
/**
* Display name for an input label, whether top-level or nested.
*/
inputLabelDisplayName(parameter: INodeProperties, path: string) {
const middleKey = deriveMiddleKey(path, parameter);
return context.dynamicRender({
key: `${initialKey}.${middleKey}.displayName`,
fallback: parameter.displayName,
});
},
/**
* Description (tooltip text) for an input label, whether top-level or nested.
*/
inputLabelDescription(parameter: INodeProperties, path: string) {
const middleKey = deriveMiddleKey(path, parameter);
return context.dynamicRender({
key: `${initialKey}.${middleKey}.description`,
fallback: parameter.description,
});
},
/**
* Hint for an input, whether top-level or nested.
*/
hint(parameter: INodeProperties, path: string) {
const middleKey = deriveMiddleKey(path, parameter);
return context.dynamicRender({
key: `${initialKey}.${middleKey}.hint`,
fallback: parameter.hint,
});
},
/**
* Placeholder for an input label or `collection` or `fixedCollection` param,
* whether top-level or nested.
* - For an input label, the placeholder is unselectable greyed-out sample text.
* - For a `collection` or `fixedCollection`, the placeholder is the button text.
*/
placeholder(parameter: INodeProperties, path: string) {
let middleKey = parameter.name;
if (isNestedInCollectionLike(path)) {
const pathSegments = normalize(path).split('.');
middleKey = insertOptionsAndValues(pathSegments).join('.');
}
return context.dynamicRender({
key: `${initialKey}.${middleKey}.placeholder`,
fallback: parameter.placeholder,
});
},
/**
* Display name for an option inside an `options` or `multiOptions` param,
* whether top-level or nested.
*/
optionsOptionDisplayName(
parameter: INodeProperties,
{ value: optionName, name: displayName }: INodePropertyOptions,
path: string,
) {
let middleKey = parameter.name;
if (isNestedInCollectionLike(path)) {
const pathSegments = normalize(path).split('.');
middleKey = insertOptionsAndValues(pathSegments).join('.');
}
return context.dynamicRender({
key: `${initialKey}.${middleKey}.options.${optionName}.displayName`,
fallback: displayName,
});
},
/**
* Description for an option inside an `options` or `multiOptions` param,
* whether top-level or nested.
*/
optionsOptionDescription(
parameter: INodeProperties,
{ value: optionName, description }: INodePropertyOptions,
path: string,
) {
let middleKey = parameter.name;
if (isNestedInCollectionLike(path)) {
const pathSegments = normalize(path).split('.');
middleKey = insertOptionsAndValues(pathSegments).join('.');
}
return context.dynamicRender({
key: `${initialKey}.${middleKey}.options.${optionName}.description`,
fallback: description,
});
},
/**
* Display name for an option in the dropdown menu of a `collection` or
* fixedCollection` param. No nesting support since `collection` cannot
* be nested in a `collection` or in a `fixedCollection`.
*/
collectionOptionDisplayName(
parameter: INodeProperties,
{ name: optionName, displayName }: INodePropertyCollection,
path: string,
) {
let middleKey = parameter.name;
if (isNestedInCollectionLike(path)) {
const pathSegments = normalize(path).split('.');
middleKey = insertOptionsAndValues(pathSegments).join('.');
}
return context.dynamicRender({
key: `${initialKey}.${middleKey}.options.${optionName}.displayName`,
fallback: displayName,
});
},
/**
* Text for a button to add another option inside a `collection` or
* `fixedCollection` param having `multipleValues: true`.
*/
multipleValueButtonText({ name: parameterName, typeOptions }: INodeProperties) {
return context.dynamicRender({
key: `${initialKey}.${parameterName}.multipleValueButtonText`,
fallback: typeOptions?.multipleValueButtonText,
});
},
eventTriggerDescription(nodeType: string, eventTriggerDescription: string) {
return context.dynamicRender({
key: `n8n-nodes-base.nodes.${nodeType}.nodeView.eventTriggerDescription`,
fallback: eventTriggerDescription,
});
},
};
}
}
export const i18nInstance = new VueI18n({
locale: 'en',
fallbackLocale: 'en',
messages: { en: englishBaseText },
silentTranslationWarn: true,
});
locale.i18n((key: string, options?: { interpolate: object }) =>
i18nInstance.t(key, options && options.interpolate),
);
const loadedLanguages = ['en'];
function setLanguage(language: string) {
i18nInstance.locale = language;
axios.defaults.headers.common['Accept-Language'] = language;
document!.querySelector('html')!.setAttribute('lang', language);
// update n8n design system and element ui
locale.use(language);
return language;
}
export async function loadLanguage(language?: string) {
if (!language) return Promise.resolve();
if (i18nInstance.locale === language) {
return Promise.resolve(setLanguage(language));
}
if (loadedLanguages.includes(language)) {
return Promise.resolve(setLanguage(language));
}
const { numberFormats, ...rest } = (await import(`./locales/${language}.json`)).default;
i18nInstance.setLocaleMessage(language, rest);
if (numberFormats) {
i18nInstance.setNumberFormat(language, numberFormats);
}
loadedLanguages.push(language);
setLanguage(language);
}
/**
* Add a node translation to the i18n instance's `messages` object.
*/
export function addNodeTranslation(
nodeTranslation: { [nodeType: string]: object },
language: string,
) {
const oldNodesBase = i18nInstance.messages[language]['n8n-nodes-base'] || {};
const updatedNodes = {
// @ts-ignore
...oldNodesBase.nodes,
...nodeTranslation,
};
const newNodesBase = {
'n8n-nodes-base': Object.assign(oldNodesBase, { nodes: updatedNodes }),
};
i18nInstance.setLocaleMessage(
language,
Object.assign(i18nInstance.messages[language], newNodesBase),
);
}
/**
* Add a credential translation to the i18n instance's `messages` object.
*/
export function addCredentialTranslation(
nodeCredentialTranslation: { [credentialType: string]: object },
language: string,
) {
const oldNodesBase = i18nInstance.messages[language]['n8n-nodes-base'] || {};
const updatedCredentials = {
// @ts-ignore
...oldNodesBase.credentials,
...nodeCredentialTranslation,
};
const newNodesBase = {
'n8n-nodes-base': Object.assign(oldNodesBase, { credentials: updatedCredentials }),
};
i18nInstance.setLocaleMessage(
language,
Object.assign(i18nInstance.messages[language], newNodesBase),
);
}
/**
* Add a node's header strings to the i18n instance's `messages` object.
*/
export function addHeaders(headers: INodeTranslationHeaders, language: string) {
i18nInstance.setLocaleMessage(
language,
Object.assign(i18nInstance.messages[language], { headers }),
);
}
// ----------------------------------
// typings
// ----------------------------------
declare module 'vue/types/vue' {
interface Vue {
$locale: I18nClass;
}
}
type GetBaseTextKey<T> = T extends `_${string}` ? never : T;
export type BaseTextKey = GetBaseTextKey<keyof typeof englishBaseText>;
type GetCategoryName<T> = T extends `nodeCreator.categoryNames.${infer C}` ? C : never;
export type CategoryName = GetCategoryName<keyof typeof englishBaseText>;