mirror of
https://github.com/hanzoai/i18n.git
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zeekay
80e746ad96
A module that words a sentence outside React takes `t: Say = english` last. The type and its English default were copied into @hanzo/app and are about to be needed in @hanzo/iam, @hanzo/plans and @hanzo/usage as the app's lib moves to the packages that own it; one copy lives here.
55 lines
2.0 KiB
TypeScript
55 lines
2.0 KiB
TypeScript
import assert from 'node:assert/strict'
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import test from 'node:test'
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import { createElement, type ReactNode } from 'react'
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import { renderToStaticMarkup } from 'react-dom/server'
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import { english, isolate, phrase, pieces, translate, type Say } from '../src/index.ts'
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import { useI18n } from '../src/react.ts'
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test('pieces cut a translation at its arguments, in the translation’s order', () => {
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assert.deepEqual(pieces({ 'By {who} on {day}': 'Am {day} von {who}' }, 'By {who} on {day}'), [
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'Am ',
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{ name: 'day' },
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' von ',
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{ name: 'who' },
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])
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assert.deepEqual(pieces({}, '{n}'), [{ name: 'n' }])
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assert.deepEqual(pieces({}, 'plain'), ['plain'])
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})
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test('translate is pieces joined, an argument with no value left visible', () => {
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assert.equal(translate({}, '{n} of {total}', { n: 3 }), '3 of {total}')
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})
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test('english is a Say: the English with its arguments filled, nothing looked up', () => {
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const t: Say = english
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assert.equal(t('Hello, {name}.', { name: 'Ada' }), 'Hello, Ada.')
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assert.equal(t('{count} left', { count: 3 }), '3 left')
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assert.equal(t('No {gap} here'), 'No {gap} here')
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})
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test('isolate wraps text in a first-strong isolate, invisible in any direction', () => {
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assert.equal(isolate('1,150–1,400'), '1,150–1,400')
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})
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test('phrase is its argument', () => {
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assert.equal(phrase('About Us'), 'About Us')
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})
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/** What `t` returns, rendered, outside any provider: English, left to right. */
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function said(source: string, values?: Record<string, ReactNode>): string {
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function Probe() {
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const { t } = useI18n()
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return createElement('p', null, values ? t(source, values) : t(source))
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}
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return renderToStaticMarkup(createElement(Probe))
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}
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test('t with text arguments is a string; with an element it is one sentence holding it', () => {
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assert.equal(said('{n} tasks', { n: 39 }), '<p>39 tasks</p>')
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assert.equal(
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said('By continuing, you agree to the {terms}.', { terms: createElement('a', { href: '/terms' }, 'Terms') }),
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'<p>By continuing, you agree to the <a href="/terms">Terms</a>.</p>',
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)
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})
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