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Piotr Lewandowski

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INTERNATIONALIZATION I18N LOCALIZATION L10N

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Localization Adapting product to region-desired „look and feel” ‍ Translator responsibility

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Internationalization Enables easy localization Developer responsibility

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Right to left Dates Currencies Grammar forms Temperature Numbers Legal Translation Plurals Symbols Units Sorting

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Dates Currencies Numbers Plurals Translation Grammar forms

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Translation templates Formatting pipes ICU expressions

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Re-use existing standards Don’t enforce process No rutime overhead

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Hello, {{ name }}!

Last time seen at {{ lastVisited | date }}

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Alicja { count, plural, =0 { nie złapała Pokémona } one { złapała Pokémona } few { złapała {{count}} Pokémony } many { złapała {{count}} Pokémonów } other { złapała Pokémonów: {{count}} } }

Alicja złapała 5 Pokémonów count = 5

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Brawo, { gender, select, male { złapałeś Pokémona } female { złapałaś Pokémona } other { Pokémon został złapany } }

Brawo, złapałeś Pokémona gender = ' male' '...'

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Hello, !

Hello, {{name}}!

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Hello, !

Hello, {{name}}!

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Angular is cool

Generated ID hash Content change = ID change Custom ID Never changes

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Mark HTML with i18n attributes Extract messages from HTML to XLIFF Copy & translate XLIFF Generate new app version for each language Outside Angular

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Currently... Everything at build time with AOT Duplicated builds for each locale Desired... ONE bundle for all locales Translating before application bootstraps

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On the roadmap since 2.0 Planned for Angular 7 with Ivy compiler Already in master since June 2018

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interface I18nDef { value: string; id?: string; meaning?: string; description?: string; }

Hello, Gdańsk!

interface I18nDef { value: 'Hello, Gdańsk!'; id?: 'page.header'; meaning?: undefined; description?: 'User profile'; }

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PR #24037 205 review comments ☺ Loading BEFORE Angular bootstraps All locales in ONE bundle Choose: AOT or RunTime ❔ XLIFF has to be in JS bundle

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Currently... Everything in HTML Desired... Translation in services

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Planned with Angular 7 with Ivy compiler Work in progress Polyfill already exists @ngx-translate/i18n-polyfill

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constructor(i18n: I18n) { this.message = i18n('Speaking at meetup in {{myVar}} !', { myVar: 'Gdańsk, Poland' });

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Better docs Angular CLI support

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Localize single module Better library support See #14331

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Allow custom parsers, generators and loaders Possible JSON support

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✅

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✅ // tslint.json "i18n": [ true, "check-id", "check-text" ] * Requires codelyzer Optional, depending on your translation strategy

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✅

Angular i18n is cool

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✅

Angular i18n is cool

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✅

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// package.json "scripts": { "build": "ng build && ng xi18n" },

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Angular i18n is cool

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Error: Could not mark an element as translatable inside a translatable section

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Angular i18n is cool

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Angular i18n is cool

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Angular i18n: » Docs » Plans for v6 and v7 General: » On i18n and l10n » i18nGuy - Guidelines

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Localization platforms: » Pootle » Transifex » POEditor » TextUnited Editors & scripts: » Virtaal » tiny ng-translator » ngx-i18nsupport (xliff merge)

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Piotr Lewandowski THANK YOU DZIĘKUJĘ 谢谢