cupcakearmy/svelte-i18n
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Add deep merge for extensible locale dictionaries

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This commit is contained in:
Christian Kaisermann 2018-07-26 23:24:17 -03:00
parent e7115b38e0
commit a189f9e90b
6 changed files with 104 additions and 30 deletions
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59
README.md
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@ -2,4 +2,61 @@
> Internationalization for svelte
**Work-in-progress**
**Work-in-progress**
## Usage
### On the `store`
```js
import i18n from 'svelte-i18n'
import { Store } from 'svelte/store'
const store = new Store()
/** i18n(svelteStore, arrayOfLocalesObjects) */
i18n(store, [
{
'pt-BR': {
message: 'Mensagem',
messages: {
alert: 'Alerta',
error: 'Erro'
}
},
'en-US': {
message: 'Message',
messages: {
alert: 'Alert',
error: 'Error'
}
}
},
/** Locales are deeply merged */
{
'pt-BR': {
messages: {
warn: 'Aviso',
success: 'Sucesso'
}
},
'en-US': {
messages: {
warn: 'Warn',
success: 'Success'
}
}
}
])
```
### On `templates`
```html
<div>
{$_('message')}: {$_.upper('messages.success')}
</div>
<!-- Will render for en-US -->
Message: SUCCESS
```

39
package-lock.json generated
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@ -360,6 +360,12 @@
"integrity": "sha512-ONhaKPIufzzrlNbqtWFFd+jlnemX6lJAgq9ZeiZtS7I1PIf/la7CW4m83rTXRnVnsMbW2k56pGYu7AUFJD9Pow==",
"dev": true
},
"@types/deepmerge": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/@types/deepmerge/-/deepmerge-2.1.0.tgz",
"integrity": "sha512-/0Ct/q5g+SgaACZ+A0ylY3071nEBN7QDnTWiCtaB3fx24UpoAQXf25yNVloOYVUis7jytM1F1WC78+EOwXkQJQ==",
"dev": true
},
"@types/estree": {
"version": "0.0.39",
"resolved": "https://registry.npmjs.org/@types/estree/-/estree-0.0.39.tgz",
@ -2254,6 +2260,11 @@
"integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
"dev": true
},
"deepmerge": {
"version": "2.1.1",
"resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-2.1.1.tgz",
"integrity": "sha512-urQxA1smbLZ2cBbXbaYObM1dJ82aJ2H57A1C/Kklfh/ZN1bgH4G/n5KWhdNfOK11W98gqZfyYj7W4frJJRwA2w=="
},
"default-require-extensions": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/default-require-extensions/-/default-require-extensions-1.0.0.tgz",
@ -3377,15 +3388,13 @@
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
"integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
"dev": true,
"optional": true
"dev": true
},
"brace-expansion": {
"version": "1.1.11",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
"integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
"dev": true,
"optional": true,
"requires": {
"balanced-match": "^1.0.0",
"concat-map": "0.0.1"
@ -3402,22 +3411,19 @@
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
"integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
"dev": true,
"optional": true
"dev": true
},
"concat-map": {
"version": "0.0.1",
"resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
"integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
"dev": true,
"optional": true
"dev": true
},
"console-control-strings": {
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
"integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
"dev": true,
"optional": true
"dev": true
},
"core-util-is": {
"version": "1.0.2",
@ -3548,8 +3554,7 @@
"version": "2.0.3",
"resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
"integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
"dev": true,
"optional": true
"dev": true
},
"ini": {
"version": "1.3.5",
@ -3563,7 +3568,6 @@
"resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
"integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
"dev": true,
"optional": true,
"requires": {
"number-is-nan": "^1.0.0"
}
@ -3580,7 +3584,6 @@
"resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
"integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
"dev": true,
"optional": true,
"requires": {
"brace-expansion": "^1.1.7"
}
@ -3589,15 +3592,13 @@
"version": "0.0.8",
"resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
"integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
"dev": true,
"optional": true
"dev": true
},
"minipass": {
"version": "2.2.4",
"resolved": "https://registry.npmjs.org/minipass/-/minipass-2.2.4.tgz",
"integrity": "sha512-hzXIWWet/BzWhYs2b+u7dRHlruXhwdgvlTMDKC6Cb1U7ps6Ac6yQlR39xsbjWJE377YTCtKwIXIpJ5oP+j5y8g==",
"dev": true,
"optional": true,
"requires": {
"safe-buffer": "^5.1.1",
"yallist": "^3.0.0"
@ -3618,7 +3619,6 @@
"resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
"integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
"dev": true,
"optional": true,
"requires": {
"minimist": "0.0.8"
}
@ -3707,8 +3707,7 @@
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
"integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
"dev": true,
"optional": true
"dev": true
},
"object-assign": {
"version": "4.1.1",
@ -3722,7 +3721,6 @@
"resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
"integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
"dev": true,
"optional": true,
"requires": {
"wrappy": "1"
}
@ -3860,7 +3858,6 @@
"resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
"integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
"dev": true,
"optional": true,
"requires": {
"code-point-at": "^1.0.0",
"is-fullwidth-code-point": "^1.0.0",

4
package.json
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@ -77,6 +77,7 @@
"singleQuote": true
},
"devDependencies": {
"@types/deepmerge": "^2.1.0",
"@types/jest": "^22.0.0",
"@types/node": "^10.0.3",
"colors": "^1.1.2",
@ -108,5 +109,8 @@
"typedoc": "^0.11.0",
"typescript": "^2.6.2",
"validate-commit-msg": "^2.12.2"
},
"dependencies": {
"deepmerge": "^2.1.1"
}
}

6
src/interfaces.ts
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@ -22,9 +22,9 @@ export interface SvelteStore {
[prop: string]: any
}
export interface Locale {
[id: string | number]: string
export interface LocaleDictionary {
[id: string]: string | Array<string> | LocaleDictionary
}
export interface Locales {
[locale: string]: Locale
[locale: string]: LocaleDictionary
}

9
src/svelte-i18n.ts
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@ -1,10 +1,13 @@
import { InterpolationObj, Sveltei18n, SvelteStore, Locale, Locales } from './interfaces'
import { InterpolationObj, Sveltei18n, SvelteStore, LocaleDictionary, Locales } from './interfaces'
import { capitalize, titlelize, upper, lower, getNestedProp } from './utils'
import deepmerge from 'deepmerge'
export default function(store: SvelteStore, localesList: Array<Locales>) {
const locales: Locales = deepmerge.all(localesList)
export default function(store: SvelteStore, locales: Locales) {
store.locale = (locale: string) => store.fire('locale', locale)
store.on('locale', function(locale: string) {
const localeDict: Locale = locales[locale]
const localeDict: LocaleDictionary = locales[locale]
const _ = <Sveltei18n>function(id, values) {
return getNestedProp(localeDict, id) || id
}

17
test/svelte-i18n.test.ts
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@ -7,7 +7,10 @@ const locales = {
'pt-br': {
test: 'teste',
phrase: 'Adoro banana',
phrases: ['Frase 1', 'Frase 2']
phrases: ['Frase 1', 'Frase 2'],
obj: {
a: 'a'
}
},
po: {
test: 'prøve',
@ -16,7 +19,16 @@ const locales = {
}
}
i18n(store, locales)
i18n(store, [
locales,
{
'pt-br': {
obj: {
b: 'b'
}
}
}
])
/**
* Dummy test
@ -38,6 +50,7 @@ describe('Dummy test', () => {
expect(store.get()._).toBeInstanceOf(Function)
expect(store.get()._('non-existent')).toBe('non-existent')
expect(store.get()._('test')).toBe(locales['pt-br'].test)
expect(store.get()._('obj.b')).toBe('b')
store.fire('locale', 'po')
expect(store.get()._('test')).not.toBe(locales['pt-br'].test)
expect(store.get()._('test')).toBe(locales.po.test)