blob: 8da34a21fbae0a6f7d4b78fd9857150d05ada91f [file] [log] [blame] [edit]
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build js && wasm
package time
import (
"internal/itoa"
"syscall/js"
)
var platformZoneSources = []string{
"/usr/share/zoneinfo/",
"/usr/share/lib/zoneinfo/",
"/usr/lib/locale/TZ/",
}
func initLocal() {
localLoc.name = "Local"
z := zone{}
d := js.Global().Get("Date").New()
offset := d.Call("getTimezoneOffset").Int() * -1
z.offset = offset * 60
// According to https://tc39.github.io/ecma262/#sec-timezoneestring,
// the timezone name from (new Date()).toTimeString() is an implementation-dependent
// result, and in Google Chrome, it gives the fully expanded name rather than
// the abbreviation.
// Hence, we construct the name from the offset.
z.name = "UTC"
if offset < 0 {
z.name += "-"
offset *= -1
} else {
z.name += "+"
}
z.name += itoa.Itoa(offset / 60)
min := offset % 60
if min != 0 {
z.name += ":" + itoa.Itoa(min)
}
localLoc.zone = []zone{z}
}