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rustdoc: make help button a no-op when on help page

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This commit is contained in:
Michael Howell 2022-10-15 21:02:57 -07:00
parent 65f501e10f
commit 834448163d
1 changed files with 15 additions and 0 deletions
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15
src/librustdoc/html/static/js/main.js
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@ -951,8 +951,23 @@ function loadCss(cssFileName) {
if (isHelpPage) {
showHelp();
document.querySelector(`#${HELP_BUTTON_ID} > a`).addEventListener("click", event => {
// Already on the help page, make help button a no-op.
const target = event.target;
if (target.tagName !== "A" ||
target.parentElement.id !== HELP_BUTTON_ID ||
event.ctrlKey ||
event.altKey ||
event.metaKey) {
return;
}
event.preventDefault();
});
} else {
document.querySelector(`#${HELP_BUTTON_ID} > a`).addEventListener("click", event => {
// By default, have help button open docs in a popover.
// If user clicks with a moderator, though, use default browser behavior,
// probably opening in a new window or tab.
const target = event.target;
if (target.tagName !== "A" ||
target.parentElement.id !== HELP_BUTTON_ID ||