mirror of https://github.com/rust-lang/book
52 lines
1.1 KiB
JavaScript
52 lines
1.1 KiB
JavaScript
var ferrisTypes = [
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{
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attr: 'does_not_compile',
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title: 'This code does not compile!'
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},
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{
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attr: 'panics',
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title: 'This code panics!'
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},
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{
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attr: 'unsafe',
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title: 'This code block contains unsafe code.'
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},
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{
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attr: 'not_desired_behavior',
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title: 'This code does not produce the desired behavior.'
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}
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]
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document.addEventListener('DOMContentLoaded', () => {
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for (var ferrisType of ferrisTypes) {
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attachFerrises(ferrisType)
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}
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})
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function attachFerrises (type) {
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var elements = document.getElementsByClassName(type.attr)
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for (var codeBlock of elements) {
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var lines = codeBlock.textContent.split(/\r|\r\n|\n/).length - 1;
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if (lines >= 4) {
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attachFerris(codeBlock, type)
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}
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}
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}
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function attachFerris (element, type) {
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var a = document.createElement('a')
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a.setAttribute('href', 'ch00-00-introduction.html#ferris')
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a.setAttribute('target', '_blank')
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var img = document.createElement('img')
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img.setAttribute('src', 'img/ferris/' + type.attr + '.svg')
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img.setAttribute('title', type.title)
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img.className = 'ferris'
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a.appendChild(img)
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element.parentElement.insertBefore(a, element)
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}
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