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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
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-has-unicode
-===========
-
-Try to guess if your terminal supports unicode
-
-```javascript
-var hasUnicode = require("has-unicode")
-
-if (hasUnicode()) {
- // the terminal probably has unicode support
-}
-```
-```javascript
-var hasUnicode = require("has-unicode").tryHarder
-hasUnicode(function(unicodeSupported) {
- if (unicodeSupported) {
- // the terminal probably has unicode support
- }
-})
-```
-
-## Detecting Unicode
-
-What we actually detect is UTF-8 support, as that's what Node itself supports.
-If you have a UTF-16 locale then you won't be detected as unicode capable.
-
-### Windows
-
-Since at least Windows 7, `cmd` and `powershell` have been unicode capable,
-but unfortunately even then it's not guaranteed. In many localizations it
-still uses legacy code pages and there's no facility short of running
-programs or linking C++ that will let us detect this. As such, we
-report any Windows installation as NOT unicode capable, and recommend
-that you encourage your users to override this via config.
-
-### Unix Like Operating Systems
-
-We look at the environment variables `LC_ALL`, `LC_CTYPE`, and `LANG` in
-that order. For `LC_ALL` and `LANG`, it looks for `.UTF-8` in the value.
-For `LC_CTYPE` it looks to see if the value is `UTF-8`. This is sufficient
-for most POSIX systems. While locale data can be put in `/etc/locale.conf`
-as well, AFAIK it's always copied into the environment.
-