i18n-string-templates

This package started as a module in several projects,
becoming a standalone more out of a desire to not reproduce code as much as possible!

This module is a PureESM package,
desiring to stay as current as possible in addition to maintaining maximum coverage & code exercise.

This is an implementation and refactor of this project.s

Usage

There are 2 parameters:

• map of locales w/ string,string objects.
• locale you want to use right now

What this lets you do is feed in all the values you use, maybe from a shareable json, shared config, or some sort of dynamically imported list.

Some things we support:

• Template replacement for dynamic labels
• Strings or Numbers being replaced
• Allows you to still “i18n” strings that aren’t yet added to your list
• Passing an object to populate with warnings
• Type suggesting & fractional digit bounding.

Some goals:

• Staying as small as possible. I want to do this with no extraneous (or ideally no at all) dependencies.
• Keeping your experience consistent. As part of this, I leverage semantic-release

Some things I want to add:

• adding a warning.json or some sort of shareable output for strings that have been run through the system that haven’t been translated
• Even more coverage
• Anything the community needs to make your i18n experience easier!

Some examples are in the src/test/i18n.spec.js file.

Example:

import use from 'i18n-string-templates';

const locales = {
  en: {
    sample: 'sample',
    '{0} debates {1}': '{0} debattes {1}',
  },
  zh: {
    sample: '样本',
    '{0} debates {1}': '{0}与{1}辩论',
  },
};

// with english
let i18n = use(locales, 'en');
console.log(i18n`sample`); // outputs: sample
console.log(i18n`${'joe'} debates ${'tom'}`); // outputs: joe debattes tom
console.log(i18n`john needs ${241/12}:n(3) units of blood`) //outputs: john needs 20.083 units of blood

// with something else, like Simplified Chinese
i18n = use(locales, 'zh');
console.log(i18n`sample`); // outputs: 样本
console.log(i18n`${'约翰'} debates ${'刘易斯'}`); // outputs: 约翰与刘易斯辩论
console.log(i18n`john needs ${241/12}:n(3) units of blood`) //outputs: john needs 20.083 units of blood

// with a warnings object that you can access
const warnings = { untranslated: {} };
i18n = use(locales, 'en', { warnings });
console.log(i18n`non-extant`); // outputs: non-extant
console.log(JSON.stringify(warnings.untranslated)); //outputs: {"non-extant":"non-extant"}

Specifying “types”

We include a rudimentary “type” forcing syntax for forcing a type on a template parameter.

Requirements

• Node 14+
• You’re using a Pure ESM package. You cannot require() this package.

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