doodle/pkg/wasm/localstorage_js.go

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// +build js,wasm
package wasm
import (
"strings"
"syscall/js"
2022-09-24 22:17:25 +00:00
"git.kirsle.net/SketchyMaze/doodle/pkg/log"
)
// StorageKeys returns the list of localStorage keys matching a prefix.
func StorageKeys(prefix string) []string {
keys := js.Global().Get("Object").Call("keys", js.Global().Get("localStorage"))
var result []string
for i := 0; i < keys.Length(); i++ {
value := keys.Index(i).String()
if strings.HasPrefix(value, prefix) {
result = append(result,
strings.TrimPrefix(keys.Index(i).String(), prefix),
)
}
}
log.Info("LS KEYS: %+v", result)
return result
}
// SetSession sets a text value on sessionStorage.
func SetSession(key string, value string) {
js.Global().Get("localStorage").Call("setItem", key, value)
}
// GetSession retrieves a text value from sessionStorage.
func GetSession(key string) (string, bool) {
var value js.Value
value = js.Global().Get("localStorage").Call("getItem", key)
return value.String(), value.Type() == js.TypeString
}