82 lines
2.1 KiB
TypeScript
82 lines
2.1 KiB
TypeScript
import React from 'react';
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import { LocalizerType, RenderTextCallbackType } from '../types/Util';
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type FullJSX = Array<JSX.Element | string> | JSX.Element | string;
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interface Props {
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/** The translation string id */
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id: string;
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i18n: LocalizerType;
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components?: Array<FullJSX>;
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renderText?: RenderTextCallbackType;
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}
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export class Intl extends React.Component<Props> {
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public static defaultProps: Partial<Props> = {
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renderText: ({ text, key }) => (
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<React.Fragment key={key}>{text}</React.Fragment>
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),
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};
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public getComponent(index: number, key: number): FullJSX | undefined {
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const { id, components } = this.props;
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if (!components || !components.length || components.length <= index) {
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// tslint:disable-next-line no-console
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console.log(
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`Error: Intl missing provided components for id ${id}, index ${index}`
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);
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return;
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}
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return <React.Fragment key={key}>{components[index]}</React.Fragment>;
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}
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public render() {
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const { id, i18n, renderText } = this.props;
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const text = i18n(id);
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const results: Array<any> = [];
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const FIND_REPLACEMENTS = /\$[^$]+\$/g;
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// We have to do this, because renderText is not required in our Props object,
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// but it is always provided via defaultProps.
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if (!renderText) {
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return;
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}
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let componentIndex = 0;
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let key = 0;
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let lastTextIndex = 0;
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let match = FIND_REPLACEMENTS.exec(text);
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if (!match) {
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return renderText({ text, key: 0 });
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}
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while (match) {
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if (lastTextIndex < match.index) {
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const textWithNoReplacements = text.slice(lastTextIndex, match.index);
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results.push(renderText({ text: textWithNoReplacements, key: key }));
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key += 1;
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}
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results.push(this.getComponent(componentIndex, key));
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componentIndex += 1;
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key += 1;
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// @ts-ignore
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lastTextIndex = FIND_REPLACEMENTS.lastIndex;
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match = FIND_REPLACEMENTS.exec(text);
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}
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if (lastTextIndex < text.length) {
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results.push(renderText({ text: text.slice(lastTextIndex), key: key }));
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key += 1;
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}
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return results;
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}
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}
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