11// IF YOU CHANGE THIS FILE IT MUST BE CHANGED ON BOTH rust-www and rustup.rs
22
3- var platforms = [ "default" , "unknown" , "win32" , "win64" , "unix" ] ;
3+ var platforms = [ "default" , "unknown" , "win32" , "win64" , "win-arm64" , " unix"] ;
44var platform_override = null ;
55var rustup_install_command = "curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh" ;
66
7- function detect_platform ( ) {
7+ async function detect_platform ( ) {
88 "use strict" ;
99
1010 if ( platform_override !== null ) {
@@ -29,6 +29,10 @@ function detect_platform() {
2929 if ( navigator . platform == "Win64" ||
3030 navigator . userAgent . indexOf ( "WOW64" ) != - 1 ||
3131 navigator . userAgent . indexOf ( "Win64" ) != - 1 ) { os = "win64" ; }
32+ if ( navigator . userAgentData &&
33+ navigator . userAgentData . platform == "Windows" &&
34+ await navigator . userAgentData . getHighEntropyValues ( [ "architecture" , "bitness" ] )
35+ . then ( ua => ua . architecture == "arm" && ua . bitness == "64" ) ) { os = "win-arm64" ; }
3236 if ( navigator . platform == "FreeBSD x86_64" ) { os = "unix" ; }
3337 if ( navigator . platform == "FreeBSD amd64" ) { os = "unix" ; }
3438 if ( navigator . platform == "NetBSD x86_64" ) { os = "unix" ; }
@@ -68,10 +72,10 @@ function vis(elem, value) {
6872 }
6973}
7074
71- function adjust_for_platform ( ) {
75+ async function adjust_for_platform ( ) {
7276 "use strict" ;
7377
74- var platform = detect_platform ( ) ;
78+ var platform = await detect_platform ( ) ;
7579
7680 platforms . forEach ( function ( platform_elem ) {
7781 var platform_div = document . getElementById ( "platform-instructions-" + platform_elem ) ;
@@ -94,7 +98,7 @@ function adjust_platform_specific_instrs(platform) {
9498 if ( el_is_inline ) {
9599 el_visible_style = "inline" ;
96100 }
97- if ( platform == "win64" || platform == "win32" ) {
101+ if ( platform == "win64" || platform == "win32" || platform == "win-arm64" ) {
98102 if ( el_is_not_win ) {
99103 vis ( el , "none" ) ;
100104 } else {
@@ -110,13 +114,13 @@ function adjust_platform_specific_instrs(platform) {
110114 }
111115}
112116
113- function cycle_platform ( ) {
117+ async function cycle_platform ( ) {
114118 if ( platform_override == null ) {
115119 platform_override = 0 ;
116120 } else {
117121 platform_override = ( platform_override + 1 ) % platforms . length ;
118122 }
119- adjust_for_platform ( ) ;
123+ await adjust_for_platform ( ) ;
120124}
121125
122126function set_up_cycle_button ( ) {
@@ -127,9 +131,9 @@ function set_up_cycle_button() {
127131 var idx = 0 ;
128132 var unlocked = false ;
129133
130- document . onkeypress = function ( event ) {
134+ document . onkeypress = async function ( event ) {
131135 if ( event . key == "n" && unlocked ) {
132- cycle_platform ( ) ;
136+ await cycle_platform ( ) ;
133137 }
134138
135139 if ( event . key == key [ idx ] ) {
@@ -138,7 +142,7 @@ function set_up_cycle_button() {
138142 if ( idx == key . length ) {
139143 vis ( cycle_button , "block" ) ;
140144 unlocked = true ;
141- cycle_platform ( ) ;
145+ await cycle_platform ( ) ;
142146 }
143147 } else if ( event . key == key [ 0 ] ) {
144148 idx = 1 ;
@@ -148,9 +152,9 @@ function set_up_cycle_button() {
148152 } ;
149153}
150154
151- function go_to_default_platform ( ) {
155+ async function go_to_default_platform ( ) {
152156 platform_override = 0 ;
153- adjust_for_platform ( ) ;
157+ await adjust_for_platform ( ) ;
154158}
155159
156160// NB: This has no effect on rust-lang.org/install.html
@@ -190,6 +194,9 @@ function handle_copy_button_click(e) {
190194 case 'copy-button-win64' :
191195 process_copy_button_click ( 'copy-status-message-win64' ) ;
192196 break ;
197+ case 'copy-button-win-arm64' :
198+ process_copy_button_click ( 'copy-status-message-win-arm64' ) ;
199+ break ;
193200 case 'copy-button-unknown' :
194201 process_copy_button_click ( 'copy-status-message-unknown' ) ;
195202 break ;
@@ -208,8 +215,8 @@ function set_up_copy_button_clicks() {
208215 } )
209216}
210217
211- ( function ( ) {
212- adjust_for_platform ( ) ;
218+ ( async function ( ) {
219+ await adjust_for_platform ( ) ;
213220 set_up_cycle_button ( ) ;
214221 set_up_default_platform_buttons ( ) ;
215222 set_up_copy_button_clicks ( ) ;
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