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refactor(locale): delay parsing of translations until they're used

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While doing some profiling for #2900, I noticed that
`miniflux.app/v2/internal/locale.LoadCatalogMessages` is responsible for more
than 10% of the consumed memory. As most miniflux instances won't have enough
diverse users to use all the available translations at the same time, it
makes sense to load them on demand.

The overhead is a single function call and a check in a map, per call to
translation-related functions.
This commit is contained in:
Julien Voisin 2024-12-10 01:05:14 +00:00 • committed by GitHub
parent d5cfcf8956
commit eed3fcf92a
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GPG key ID: B5690EEEBB952194
9 changed files with 58 additions and 51 deletions
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33
internal/locale/printer.go
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@ -11,9 +11,11 @@ type Printer struct {
}
func (p *Printer) Print(key string) string {
if str, ok := defaultCatalog[p.language][key]; ok {
if translation, ok := str.(string); ok {
return translation
if dict, err := GetTranslationDict(p.language); err == nil {
if str, ok := dict[key]; ok {
if translation, ok := str.(string); ok {
return translation
}
}
}
return key
@ -21,16 +23,16 @@ func (p *Printer) Print(key string) string {
// Printf is like fmt.Printf, but using language-specific formatting.
func (p *Printer) Printf(key string, args ...interface{}) string {
var translation string
translation := key
str, found := defaultCatalog[p.language][key]
if !found {
translation = key
} else {
var valid bool
translation, valid = str.(string)
if !valid {
translation = key
if dict, err := GetTranslationDict(p.language); err == nil {
str, found := dict[key]
if found {
var valid bool
translation, valid = str.(string)
if !valid {
translation = key
}
}
}
@ -39,9 +41,12 @@ func (p *Printer) Printf(key string, args ...interface{}) string {
// Plural returns the translation of the given key by using the language plural form.
func (p *Printer) Plural(key string, n int, args ...interface{}) string {
choices, found := defaultCatalog[p.language][key]
dict, err := GetTranslationDict(p.language)
if err != nil {
return key
}
if found {
if choices, found := dict[key]; found {
var plurals []string
switch v := choices.(type) {