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fix busted JavaScript in error index generator #89535

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merged 1 commit into from
Oct 5, 2021
Merged

fix busted JavaScript in error index generator #89535

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53 changes: 19 additions & 34 deletions src/tools/error_index_generator/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -143,56 +143,41 @@ impl Formatter for HTMLFormatter {
r##"<script>
function onEach(arr, func) {{
if (arr && arr.length > 0 && func) {{
for (var i = 0; i < arr.length; i++) {{
func(arr[i]);
var length = arr.length;
var i;
for (i = 0; i < length; ++i) {{
if (func(arr[i])) {{
return true;
}}
}}
}}
return false;
}}

function onEachLazy(lazyArray, func) {{
return onEach(
Array.prototype.slice.call(lazyArray),
func);
}}

function hasClass(elem, className) {{
if (elem && className && elem.className) {{
var elemClass = elem.className;
var start = elemClass.indexOf(className);
if (start === -1) {{
return false;
}} else if (elemClass.length === className.length) {{
return true;
}} else {{
if (start > 0 && elemClass[start - 1] !== ' ') {{
return false;
}}
var end = start + className.length;
if (end < elemClass.length && elemClass[end] !== ' ') {{
return false;
}}
return true;
}}
if (start > 0 && elemClass[start - 1] !== ' ') {{
return false;
}}
var end = start + className.length;
if (end < elemClass.length && elemClass[end] !== ' ') {{
return false;
}}
return true;
}}
return false;
return elem && elem.classList && elem.classList.contains(className);
}}

onEach(document.getElementsByClassName('rust-example-rendered'), function(e) {{
onEachLazy(document.getElementsByClassName('rust-example-rendered'), function(e) {{
if (hasClass(e, 'compile_fail')) {{
e.addEventListener("mouseover", function(event) {{
e.previousElementSibling.childNodes[0].style.color = '#f00';
e.parentElement.previousElementSibling.childNodes[0].style.color = '#f00';
}});
e.addEventListener("mouseout", function(event) {{
e.previousElementSibling.childNodes[0].style.color = '';
e.parentElement.previousElementSibling.childNodes[0].style.color = '';
}});
}} else if (hasClass(e, 'ignore')) {{
e.addEventListener("mouseover", function(event) {{
e.previousElementSibling.childNodes[0].style.color = '#ff9200';
e.parentElement.previousElementSibling.childNodes[0].style.color = '#ff9200';
}});
e.addEventListener("mouseout", function(event) {{
e.previousElementSibling.childNodes[0].style.color = '';
e.parentElement.previousElementSibling.childNodes[0].style.color = '';
}});
}}
}});
Expand Down