| @@ -1,60 +1,89 @@ | ||
| 1 | 1 | import copy from 'copy-to-clipboard'; |
| 2 | 2 | |
| 3 | -// Handle copy button | |
| 4 | -addEventListener('DOMContentLoaded', () => { | |
| 3 | +const containerClass = '.wp-block-kevinbatdorf-code-block-pro'; | |
| 4 | + | |
| 5 | +const handleCopyButton = () => { | |
| 5 | 6 | const buttons = Array.from( |
| 6 | - document.querySelectorAll('.code-block-pro-copy-button'), | |
| 7 | + document.querySelectorAll( | |
| 8 | + '.code-block-pro-copy-button:not(.cbp-cb-loaded)', | |
| 9 | + ), | |
| 7 | 10 | ); |
| 8 | 11 | buttons.forEach((button) => { |
| 12 | + button.classList.add('cbp-cb-loaded'); | |
| 9 | 13 | // Setting it to block here lets users deactivate the plugin safely |
| 10 | 14 | button.style.display = 'block'; |
| 11 | - button.addEventListener('click', (event) => { | |
| 12 | - const b = event.target?.closest('span'); | |
| 13 | - copy(b?.dataset?.code ?? '', { | |
| 15 | + const handler = (event) => { | |
| 16 | + const { type, key, target } = event; | |
| 17 | + // if keydown event, make sure it's enter or space | |
| 18 | + if (type === 'keydown' && !['Enter', ' '].includes(key)) return; | |
| 19 | + event.preventDefault(); | |
| 20 | + const b = target?.closest('span'); | |
| 21 | + const code = b?.dataset?.encoded | |
| 22 | + ? decodeURIComponent(decodeURIComponent(b?.dataset?.code)) | |
| 23 | + : b?.dataset?.code; | |
| 24 | + const content = window.cbpCopyOverride?.(code, button) ?? code; | |
| 25 | + copy(content ?? '', { | |
| 14 | 26 | format: 'text/plain', |
| 27 | + onCopy: (code) => { | |
| 28 | + window.cbpCopyCallback?.(code, button); | |
| 29 | + b.classList.add('cbp-copying'); | |
| 30 | + setTimeout(() => { | |
| 31 | + b.classList.remove('cbp-copying'); | |
| 32 | + }, 2_000); | |
| 33 | + }, | |
| 15 | 34 | }); |
| 16 | - b.classList.add('copying'); | |
| 17 | - setTimeout(() => { | |
| 18 | - b.classList.remove('copying'); | |
| 19 | - }, 2000); | |
| 20 | - }); | |
| 35 | + }; | |
| 36 | + ['click', 'keydown'].forEach((evt) => | |
| 37 | + button.addEventListener(evt, handler), | |
| 38 | + ); | |
| 21 | 39 | }); |
| 22 | -}); | |
| 40 | +}; | |
| 23 | 41 | |
| 24 | -// Handle highlighter | |
| 25 | -addEventListener('DOMContentLoaded', () => { | |
| 42 | +const handleHighlighter = () => { | |
| 26 | 43 | const codeBlocks = Array.from( |
| 27 | - document.querySelectorAll('.wp-block-kevinbatdorf-code-block-pro pre'), | |
| 44 | + document.querySelectorAll(`${containerClass}:not(.cbp-hl-loaded)`), | |
| 28 | 45 | ); |
| 29 | 46 | |
| 30 | 47 | codeBlocks.forEach((codeBlock) => { |
| 31 | - // search for highlights | |
| 32 | - const highlighters = codeBlock.querySelectorAll('.cbp-line-highlight'); | |
| 33 | - if (!highlighters.length) return; | |
| 48 | + codeBlock.classList.add('cbp-hl-loaded'); | |
| 49 | + // Search for highlights | |
| 50 | + const highlighters = new Set( | |
| 51 | + codeBlock.querySelectorAll('.cbp-line-highlight'), | |
| 52 | + ); | |
| 53 | + // If the codeblock has .cbp-highlight-hover, then get all lines | |
| 54 | + if (codeBlock.classList.contains('cbp-highlight-hover')) { | |
| 55 | + codeBlock | |
| 56 | + .querySelectorAll('span.line') | |
| 57 | + .forEach((line) => highlighters.add(line)); | |
| 58 | + } | |
| 34 | 59 | |
| 35 | - // We need to track the block width so we can adjust the | |
| 36 | - // highlighter width in case of overflow | |
| 37 | - const resizeObserver = new ResizeObserver((entries) => { | |
| 38 | - entries.forEach((entry) => { | |
| 39 | - // get width of inner code block | |
| 40 | - codeBlock.style.setProperty('--cbp-block-width', '0'); | |
| 41 | - const codeWidth = | |
| 42 | - entry.target.querySelector('code').offsetWidth; | |
| 43 | - const computed = | |
| 44 | - codeWidth + 16 === entry.target.scrollWidth | |
| 45 | - ? codeWidth + 16 | |
| 46 | - : entry.target.scrollWidth + 16; | |
| 47 | - codeBlock.style.setProperty( | |
| 48 | - '--cbp-block-width', | |
| 49 | - `${computed}px`, | |
| 50 | - ); | |
| 51 | - }); | |
| 52 | - }); | |
| 53 | - resizeObserver.observe(codeBlock); | |
| 60 | + if (!highlighters.size) return; | |
| 54 | 61 | |
| 55 | - // add the highlighter | |
| 62 | + // If the code block expands, we need to recalculate the width | |
| 63 | + new ResizeObserver(() => { | |
| 64 | + // find the longest line | |
| 65 | + const lines = codeBlock.querySelectorAll('span.line'); | |
| 66 | + codeBlock.style.setProperty('--cbp-block-width', 'unset'); | |
| 67 | + const longestLine = Array.from(lines).reduce((a, b) => | |
| 68 | + a.offsetWidth > b.offsetWidth ? a : b, | |
| 69 | + ); | |
| 70 | + const highestLineHeight = Array.from(lines).reduce((a, b) => | |
| 71 | + a.offsetHeight > b.offsetHeight ? a : b, | |
| 72 | + ); | |
| 73 | + codeBlock.style.setProperty( | |
| 74 | + '--cbp-block-height', | |
| 75 | + highestLineHeight.offsetHeight + 'px', | |
| 76 | + ); | |
| 77 | + codeBlock.style.setProperty( | |
| 78 | + '--cbp-block-width', | |
| 79 | + longestLine.offsetWidth + 'px', | |
| 80 | + ); | |
| 81 | + }).observe(codeBlock); | |
| 82 | + | |
| 83 | + // Add the highlighter if not already there | |
| 56 | 84 | highlighters.forEach((highlighter) => { |
| 85 | + if (highlighter.querySelector('.cbp-line-highlighter')) return; | |
| 57 | 86 | highlighter.insertAdjacentHTML( |
| 58 | 87 | 'beforeend', |
| 59 | 88 | '<span aria-hidden="true" class="cbp-line-highlighter"></span>', |
| 60 | 89 | ); |
| @@ -59,26 +88,107 @@ | ||
| 59 | 88 | '<span aria-hidden="true" class="cbp-line-highlighter"></span>', |
| 60 | 89 | ); |
| 61 | 90 | }); |
| 62 | 91 | }); |
| 63 | -}); | |
| 92 | +}; | |
| 64 | 93 | |
| 65 | -// Handle font loading | |
| 66 | -addEventListener('DOMContentLoaded', () => { | |
| 94 | +const handleFontLoading = () => { | |
| 67 | 95 | if (!window.codeBlockPro?.pluginUrl) return; |
| 96 | + const elements = Array.from( | |
| 97 | + document.querySelectorAll( | |
| 98 | + '[data-code-block-pro-font-family]:not(.cbp-ff-loaded)', | |
| 99 | + ) || [], | |
| 100 | + ); | |
| 101 | + elements.forEach((e) => e.classList.add('cbp-ff-loaded')); | |
| 68 | 102 | const fontsToLoad = new Set( |
| 69 | - Array.from( | |
| 70 | - document.querySelectorAll('[data-code-block-pro-font-family]') ?? | |
| 71 | - [], | |
| 72 | - ) | |
| 73 | - .map((f) => f.dataset.codeBlockProFontFamily) | |
| 74 | - .filter(Boolean), | |
| 103 | + elements.map((f) => f.dataset.codeBlockProFontFamily).filter(Boolean), | |
| 75 | 104 | ); |
| 76 | 105 | [...fontsToLoad].forEach(async (fontName) => { |
| 77 | - const font = new FontFace( | |
| 78 | - fontName, | |
| 79 | - `url(${window.codeBlockPro.pluginUrl}/build/fonts/${fontName}.woff2)`, | |
| 106 | + const [name, ext] = fontName.split('.'); | |
| 107 | + const url = `url(${window.codeBlockPro.pluginUrl}/build/fonts/${name}.${ | |
| 108 | + ext || 'woff2' | |
| 109 | + })`; | |
| 110 | + const font = new FontFace(name, url); | |
| 111 | + await font.load().catch((e) => console.error(e)); | |
| 112 | + document.fonts.add(font); | |
| 113 | + }); | |
| 114 | +}; | |
| 115 | + | |
| 116 | +const handleSeeMore = () => { | |
| 117 | + const seeMoreLines = Array.from( | |
| 118 | + document.querySelectorAll( | |
| 119 | + `${containerClass}:not(.cbp-see-more-loaded) .cbp-see-more-line`, | |
| 120 | + ), | |
| 121 | + ); | |
| 122 | + seeMoreLines.forEach((line) => { | |
| 123 | + const currentContainer = line.closest(containerClass); | |
| 124 | + currentContainer.classList.add('cbp-see-more-loaded'); | |
| 125 | + const pre = line.closest('pre'); | |
| 126 | + const initialHeight = pre.offsetHeight; | |
| 127 | + let animationSpeed = 0; | |
| 128 | + | |
| 129 | + if (line.classList.contains('cbp-see-more-transition')) { | |
| 130 | + const lineCount = pre.querySelectorAll('code > *').length; | |
| 131 | + const linesBeforeCurrent = Array.from( | |
| 132 | + line.closest('code').children, | |
| 133 | + ).filter((l) => l.offsetTop < line.offsetTop)?.length; | |
| 134 | + animationSpeed = 0.5 + (lineCount - linesBeforeCurrent) * 0.01; | |
| 135 | + pre.style.transition = `max-height ${animationSpeed}s ease-out`; | |
| 136 | + } | |
| 137 | + | |
| 138 | + // if the first child it a span then get the height of that span | |
| 139 | + const headerHeight = | |
| 140 | + currentContainer.children[0].tagName === 'SPAN' | |
| 141 | + ? currentContainer.children[0].offsetHeight | |
| 142 | + : 0; | |
| 143 | + const lineHeight = parseFloat(window.getComputedStyle(line).lineHeight); | |
| 144 | + pre.style.maxHeight = `${line.offsetTop + lineHeight - headerHeight}px`; | |
| 145 | + | |
| 146 | + const buttonContainer = line | |
| 147 | + .closest(containerClass) | |
| 148 | + .querySelector('.cbp-see-more-container'); | |
| 149 | + if (!buttonContainer) return; | |
| 150 | + buttonContainer.style.display = 'flex'; | |
| 151 | + const button = buttonContainer.querySelector( | |
| 152 | + '.cbp-see-more-simple-btn', | |
| 80 | 153 | ); |
| 81 | - await font.load(); | |
| 82 | - document.fonts.add(font); | |
| 154 | + if (!button) return; | |
| 155 | + if (currentContainer.classList.contains('padding-disabled')) { | |
| 156 | + button.classList.remove('cbp-see-more-simple-btn-hover'); | |
| 157 | + } | |
| 158 | + button.style.transition = `all ${ | |
| 159 | + Math.max(animationSpeed, 1) / 1.5 | |
| 160 | + }s linear`; | |
| 161 | + | |
| 162 | + const handle = (event) => { | |
| 163 | + event.preventDefault(); | |
| 164 | + button.classList.remove('cbp-see-more-simple-btn-hover'); | |
| 165 | + pre.style.maxHeight = initialHeight + 'px'; | |
| 166 | + setTimeout(() => { | |
| 167 | + button.style.opacity = 0; | |
| 168 | + button.style.transform = 'translateY(-100%)'; | |
| 169 | + setTimeout( | |
| 170 | + () => button.remove(), | |
| 171 | + Math.max(animationSpeed, 1) * 1000, | |
| 172 | + ); | |
| 173 | + }, animationSpeed * 1000); | |
| 174 | + }; | |
| 175 | + button.addEventListener('click', handle); | |
| 176 | + button.addEventListener('keydown', (event) => { | |
| 177 | + if (event.key === 'Enter') handle(event); | |
| 178 | + }); | |
| 83 | 179 | }); |
| 84 | -}); | |
| 180 | +}; | |
| 181 | + | |
| 182 | +const init = () => { | |
| 183 | + handleFontLoading(); | |
| 184 | + handleSeeMore(); | |
| 185 | + handleCopyButton(); | |
| 186 | + handleHighlighter(); | |
| 187 | +}; | |
| 188 | + | |
| 189 | +// Functions are idempotent, so we can run them on load, DOMContentLoaded, et al. | |
| 190 | +init(); | |
| 191 | +// Useful for when the DOM is modified or loaded in late | |
| 192 | +window.codeBlockProInit = init; | |
| 193 | +window.addEventListener('DOMContentLoaded', init); | |
| 194 | +window.addEventListener('load', init); | |