diff options
Diffstat (limited to 'packages/taler-wallet-webextension/src/i18n.tsx')
-rw-r--r-- | packages/taler-wallet-webextension/src/i18n.tsx | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/packages/taler-wallet-webextension/src/i18n.tsx b/packages/taler-wallet-webextension/src/i18n.tsx deleted file mode 100644 index 4d5f83416..000000000 --- a/packages/taler-wallet-webextension/src/i18n.tsx +++ /dev/null @@ -1,209 +0,0 @@ -/* - This file is part of TALER - (C) 2016 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> - */ - -/** - * Translation helpers for React components and template literals. - */ - -/** - * Imports - */ - -import * as i18nCore from "@gnu-taler/taler-wallet-core"; -import { Component, ComponentChildren, h, JSX, toChildArray, VNode } from "preact"; -/** - * Convert template strings to a msgid - */ -function toI18nString(stringSeq: ReadonlyArray<string>): string { - let s = ""; - for (let i = 0; i < stringSeq.length; i++) { - s += stringSeq[i]; - if (i < stringSeq.length - 1) { - s += `%${i + 1}$s`; - } - } - return s; -} - - -export const str = i18nCore.str; -export const internalSetStrings = i18nCore.internalSetStrings; -export const strings = i18nCore.strings; - - -interface TranslateSwitchProps { - target: number; -} - -function stringifyChildren(children: any): string { - let n = 1; - const ss = toChildArray(children).map((c) => { - if (typeof c === "string") { - return c; - } - return `%${n++}$s`; - }); - const s = ss.join("").replace(/ +/g, " ").trim(); - console.log("translation lookup", JSON.stringify(s)); - return s; -} - -interface TranslateProps { - /** - * Component that the translated element should be wrapped in. - * Defaults to "div". - */ - wrap?: any; - - /** - * Props to give to the wrapped component. - */ - wrapProps?: any; - - /** - * Translated elements - */ - children: ComponentChildren; -} - -function getTranslatedChildren( - translation: string, - children: ComponentChildren, -): ComponentChildren { - const tr = translation.split(/%(\d+)\$s/); - const childArray = toChildArray(children); - // Merge consecutive string children. - const placeholderChildren = []; - for (let i = 0; i < childArray.length; i++) { - const x = childArray[i]; - if (x === undefined) { - continue; - } else if (typeof x === "string") { - continue; - } else { - placeholderChildren.push(x); - } - } - const result = []; - for (let i = 0; i < tr.length; i++) { - if (i % 2 == 0) { - // Text - result.push(tr[i]); - } else { - const childIdx = Number.parseInt(tr[i]) - 1; - result.push(placeholderChildren[childIdx]); - } - } - return result; -} - -/** - * Translate text node children of this component. - * If a child component might produce a text node, it must be wrapped - * in a another non-text element. - * - * Example: - * ``` - * <Translate> - * Hello. Your score is <span><PlayerScore player={player} /></span> - * </Translate> - * ``` - */ -export function Translate({children, wrap, wrapProps}: TranslateProps): VNode { - const s = stringifyChildren(children); - const translation: string = i18nCore.jed.ngettext(s, s, 1); - const result = getTranslatedChildren(translation, children); - if (!wrap) { - return <div>{result}</div>; - } - return h(wrap, wrapProps, result); -} - -/** - * Switch translation based on singular or plural based on the target prop. - * Should only contain TranslateSingular and TransplatePlural as children. - * - * Example: - * ``` - * <TranslateSwitch target={n}> - * <TranslateSingular>I have {n} apple.</TranslateSingular> - * <TranslatePlural>I have {n} apples.</TranslatePlural> - * </TranslateSwitch> - * ``` - */ -export class TranslateSwitch extends Component< - TranslateSwitchProps, - void -> { - render(): JSX.Element { - let singular: VNode<TranslationPluralProps> | undefined; - let plural: VNode<TranslationPluralProps> | undefined; - const children = this.props.children; - if (children) { - toChildArray(children).forEach((child: any) => { - if (child.type === TranslatePlural) { - plural = child; - } - if (child.type === TranslateSingular) { - singular = child; - } - }); - } - if (!singular || !plural) { - console.error("translation not found"); - return h("span", {}, ["translation not found"]); - } - singular.props.target = this.props.target; - plural.props.target = this.props.target; - // We're looking up the translation based on the - // singular, even if we must use the plural form. - return singular; - } -} - -interface TranslationPluralProps { - target: number; -} - -/** - * See [[TranslateSwitch]]. - */ -export class TranslatePlural extends Component< - TranslationPluralProps, - void -> { - render(): JSX.Element { - const s = stringifyChildren(this.props.children); - const translation = i18nCore.jed.ngettext(s, s, 1); - const result = getTranslatedChildren(translation, this.props.children); - return <div>{result}</div>; - } -} - -/** - * See [[TranslateSwitch]]. - */ -export class TranslateSingular extends Component< - TranslationPluralProps, - void -> { - render(): JSX.Element { - const s = stringifyChildren(this.props.children); - const translation = i18nCore.jed.ngettext(s, s, this.props.target); - const result = getTranslatedChildren(translation, this.props.children); - return <div>{result}</div>; - } -} |