|
| 1 | +<script setup lang="ts"> |
| 2 | +import { useRoute } from "vitepress"; |
| 3 | +import { computed, nextTick, onBeforeUnmount, onMounted, ref, watch } from "vue"; |
| 4 | +
|
| 5 | +const copied = ref(false); |
| 6 | +const copyFailed = ref<"load" | "clipboard" | null>(null); |
| 7 | +const targetReady = ref(false); |
| 8 | +const isDev = import.meta.env.DEV; |
| 9 | +const devMessage = |
| 10 | + "Markdown actions are not available in the VitePress dev server. Please use the built docs instead."; |
| 11 | +const route = useRoute(); |
| 12 | +let copiedResetTimeout: number | null = null; |
| 13 | +let copyFailedResetTimeout: number | null = null; |
| 14 | +let currentWrapper: HTMLElement | null = null; |
| 15 | +let currentTarget: HTMLElement | null = null; |
| 16 | +let targetUpdateVersion = 0; |
| 17 | +
|
| 18 | +const markdownPath = computed(() => { |
| 19 | + let path = route.path.replace(/\.html$/, ""); |
| 20 | + if (path === "/") return "/index.md"; |
| 21 | + if (path.endsWith("/")) return `${path}index.md`; |
| 22 | + return `${path.replace(/\/+$/, "")}.md`; |
| 23 | +}); |
| 24 | +
|
| 25 | +function cleanupTarget(): void { |
| 26 | + if ( |
| 27 | + currentWrapper == null || |
| 28 | + currentTarget == null || |
| 29 | + currentWrapper.parentNode == null |
| 30 | + ) { |
| 31 | + currentWrapper = null; |
| 32 | + currentTarget = null; |
| 33 | + return; |
| 34 | + } |
| 35 | +
|
| 36 | + const heading = currentWrapper.querySelector(":scope > h1"); |
| 37 | + if (heading instanceof HTMLElement) { |
| 38 | + currentWrapper.parentNode.insertBefore(heading, currentWrapper); |
| 39 | + } |
| 40 | + currentWrapper.remove(); |
| 41 | + currentWrapper = null; |
| 42 | + currentTarget = null; |
| 43 | +} |
| 44 | +
|
| 45 | +function ensureTarget(heading: Element | null): void { |
| 46 | + const h1 = heading; |
| 47 | + if (!(h1 instanceof HTMLElement)) { |
| 48 | + targetReady.value = false; |
| 49 | + return; |
| 50 | + } |
| 51 | +
|
| 52 | + const existingWrapper = h1.parentElement; |
| 53 | + if (existingWrapper?.classList.contains("page-title-row")) { |
| 54 | + currentWrapper = existingWrapper; |
| 55 | + currentTarget = existingWrapper.querySelector(".page-title-actions-target"); |
| 56 | + targetReady.value = currentTarget != null; |
| 57 | + return; |
| 58 | + } |
| 59 | +
|
| 60 | + const wrapper = document.createElement("div"); |
| 61 | + wrapper.className = "page-title-row"; |
| 62 | + const target = document.createElement("div"); |
| 63 | + target.className = "page-title-actions-target"; |
| 64 | +
|
| 65 | + h1.parentNode?.insertBefore(wrapper, h1); |
| 66 | + wrapper.appendChild(h1); |
| 67 | + wrapper.appendChild(target); |
| 68 | + currentWrapper = wrapper; |
| 69 | + currentTarget = target; |
| 70 | + targetReady.value = true; |
| 71 | +} |
| 72 | +
|
| 73 | +function waitForHeading(maxFrames = 8): Promise<Element | null> { |
| 74 | + return new Promise((resolve) => { |
| 75 | + let frame = 0; |
| 76 | +
|
| 77 | + const check = () => { |
| 78 | + const heading = document.querySelector(".vp-doc h1"); |
| 79 | + if (heading != null || frame >= maxFrames) { |
| 80 | + resolve(heading); |
| 81 | + return; |
| 82 | + } |
| 83 | + frame++; |
| 84 | + window.requestAnimationFrame(check); |
| 85 | + }; |
| 86 | +
|
| 87 | + check(); |
| 88 | + }); |
| 89 | +} |
| 90 | +
|
| 91 | +async function updateTarget(): Promise<void> { |
| 92 | + const version = ++targetUpdateVersion; |
| 93 | + targetReady.value = false; |
| 94 | + copied.value = false; |
| 95 | + copyFailed.value = null; |
| 96 | + cleanupTarget(); |
| 97 | + await nextTick(); |
| 98 | + const heading = await waitForHeading(); |
| 99 | + if (version !== targetUpdateVersion) return; |
| 100 | + ensureTarget(heading); |
| 101 | +} |
| 102 | +
|
| 103 | +onMounted(() => { |
| 104 | + void updateTarget(); |
| 105 | + watch(() => route.path, updateTarget); |
| 106 | +}); |
| 107 | +
|
| 108 | +onBeforeUnmount(() => { |
| 109 | + targetUpdateVersion++; |
| 110 | + targetReady.value = false; |
| 111 | + cleanupTarget(); |
| 112 | + if (copiedResetTimeout != null) window.clearTimeout(copiedResetTimeout); |
| 113 | + if (copyFailedResetTimeout != null) window.clearTimeout(copyFailedResetTimeout); |
| 114 | +}); |
| 115 | +
|
| 116 | +function closeMenu(target: EventTarget | HTMLElement | null): void { |
| 117 | + const details = (target as HTMLElement | null)?.closest("details"); |
| 118 | + if (details instanceof HTMLDetailsElement) details.open = false; |
| 119 | +} |
| 120 | +
|
| 121 | +function resetCopiedState(delay: number): void { |
| 122 | + if (copiedResetTimeout != null) window.clearTimeout(copiedResetTimeout); |
| 123 | + copiedResetTimeout = window.setTimeout(() => { |
| 124 | + copied.value = false; |
| 125 | + copiedResetTimeout = null; |
| 126 | + }, delay); |
| 127 | +} |
| 128 | +
|
| 129 | +function resetCopyFailedState(delay: number): void { |
| 130 | + if (copyFailedResetTimeout != null) window.clearTimeout(copyFailedResetTimeout); |
| 131 | + copyFailedResetTimeout = window.setTimeout(() => { |
| 132 | + copyFailed.value = null; |
| 133 | + copyFailedResetTimeout = null; |
| 134 | + }, delay); |
| 135 | +} |
| 136 | +
|
| 137 | +async function getMarkdown(): Promise<string> { |
| 138 | + const response = await fetch(markdownPath.value); |
| 139 | + if (!response.ok) { |
| 140 | + throw new Error(`Failed to load ${markdownPath.value}: ${response.status}`); |
| 141 | + } |
| 142 | + return await response.text(); |
| 143 | +} |
| 144 | +
|
| 145 | +async function copyMarkdown(event: MouseEvent): Promise<void> { |
| 146 | + const trigger = event.currentTarget as HTMLElement | null; |
| 147 | + const version = targetUpdateVersion; |
| 148 | + if (isDev) { |
| 149 | + closeMenu(trigger); |
| 150 | + window.alert(devMessage); |
| 151 | + return; |
| 152 | + } |
| 153 | + try { |
| 154 | + const text = await getMarkdown(); |
| 155 | + try { |
| 156 | + await navigator.clipboard.writeText(text); |
| 157 | + } catch { |
| 158 | + if (version !== targetUpdateVersion) return; |
| 159 | + copied.value = false; |
| 160 | + copyFailed.value = "clipboard"; |
| 161 | + if (copiedResetTimeout != null) { |
| 162 | + window.clearTimeout(copiedResetTimeout); |
| 163 | + copiedResetTimeout = null; |
| 164 | + } |
| 165 | + resetCopyFailedState(2500); |
| 166 | + return; |
| 167 | + } |
| 168 | + if (version !== targetUpdateVersion) return; |
| 169 | + copied.value = true; |
| 170 | + copyFailed.value = null; |
| 171 | + if (copyFailedResetTimeout != null) { |
| 172 | + window.clearTimeout(copyFailedResetTimeout); |
| 173 | + copyFailedResetTimeout = null; |
| 174 | + } |
| 175 | + resetCopiedState(2000); |
| 176 | + } catch { |
| 177 | + if (version !== targetUpdateVersion) return; |
| 178 | + copied.value = false; |
| 179 | + copyFailed.value = "load"; |
| 180 | + if (copiedResetTimeout != null) { |
| 181 | + window.clearTimeout(copiedResetTimeout); |
| 182 | + copiedResetTimeout = null; |
| 183 | + } |
| 184 | + resetCopyFailedState(2500); |
| 185 | + } |
| 186 | +} |
| 187 | +
|
| 188 | +function viewMarkdown(event: MouseEvent): void { |
| 189 | + closeMenu(event.currentTarget); |
| 190 | + if (!isDev) return; |
| 191 | + event.preventDefault(); |
| 192 | + window.alert(devMessage); |
| 193 | +} |
| 194 | +</script> |
| 195 | + |
| 196 | +<template> |
| 197 | + <Teleport v-if="targetReady" to=".page-title-actions-target"> |
| 198 | + <details class="page-markdown-actions__menu"> |
| 199 | + <summary class="page-markdown-actions__trigger"> |
| 200 | + <span>Markdown</span> |
| 201 | + <svg |
| 202 | + class="page-markdown-actions__chevron" |
| 203 | + viewBox="0 0 16 16" |
| 204 | + fill="none" |
| 205 | + aria-hidden="true" |
| 206 | + > |
| 207 | + <path |
| 208 | + d="M4 6.5 8 10l4-3.5" |
| 209 | + stroke="currentColor" |
| 210 | + stroke-linecap="round" |
| 211 | + stroke-linejoin="round" |
| 212 | + stroke-width="1.6" |
| 213 | + /> |
| 214 | + </svg> |
| 215 | + </summary> |
| 216 | + <div class="page-markdown-actions__dropdown"> |
| 217 | + <a |
| 218 | + class="page-markdown-actions__item" |
| 219 | + :href="markdownPath" |
| 220 | + target="_blank" |
| 221 | + rel="noreferrer" |
| 222 | + @click="viewMarkdown" |
| 223 | + > |
| 224 | + View as Markdown |
| 225 | + </a> |
| 226 | + <button class="page-markdown-actions__item" type="button" @click="copyMarkdown"> |
| 227 | + {{ |
| 228 | + copied |
| 229 | + ? "Copied" |
| 230 | + : copyFailed === "load" |
| 231 | + ? "Could not load Markdown" |
| 232 | + : copyFailed === "clipboard" |
| 233 | + ? "Clipboard blocked" |
| 234 | + : "Copy Markdown" |
| 235 | + }} |
| 236 | + </button> |
| 237 | + </div> |
| 238 | + </details> |
| 239 | + </Teleport> |
| 240 | +</template> |
| 241 | + |
| 242 | +<style scoped> |
| 243 | +.page-markdown-actions__menu { |
| 244 | + position: relative; |
| 245 | +} |
| 246 | +
|
| 247 | +.page-markdown-actions__trigger { |
| 248 | + display: inline-flex; |
| 249 | + align-items: center; |
| 250 | + justify-content: center; |
| 251 | + border: 1px solid var(--vp-c-divider); |
| 252 | + border-radius: 999px; |
| 253 | + background: color-mix(in srgb, var(--vp-c-bg-soft) 72%, transparent); |
| 254 | + color: var(--vp-c-text-1); |
| 255 | + font-size: 0.8125rem; |
| 256 | + font-weight: 600; |
| 257 | + line-height: 1.2; |
| 258 | + list-style: none; |
| 259 | + gap: 0.45rem; |
| 260 | + min-height: 2.1rem; |
| 261 | + padding: 0.45rem 0.85rem; |
| 262 | + cursor: pointer; |
| 263 | + box-shadow: 0 1px 2px rgb(0 0 0 / 0.04); |
| 264 | + transition: |
| 265 | + border-color 0.2s ease, |
| 266 | + background-color 0.2s ease, |
| 267 | + color 0.2s ease, |
| 268 | + box-shadow 0.2s ease, |
| 269 | + transform 0.2s ease; |
| 270 | +} |
| 271 | +
|
| 272 | +.page-markdown-actions__trigger::-webkit-details-marker { |
| 273 | + display: none; |
| 274 | +} |
| 275 | +
|
| 276 | +.page-markdown-actions__trigger:hover, |
| 277 | +.page-markdown-actions__menu[open] > .page-markdown-actions__trigger { |
| 278 | + border-color: var(--vp-c-brand-1); |
| 279 | + background: var(--vp-c-bg); |
| 280 | + color: var(--vp-c-brand-1); |
| 281 | + box-shadow: 0 8px 20px rgb(0 0 0 / 0.08); |
| 282 | +} |
| 283 | +
|
| 284 | +.page-markdown-actions__chevron { |
| 285 | + flex: none; |
| 286 | + width: 0.95rem; |
| 287 | + height: 0.95rem; |
| 288 | + margin-right: -0.05rem; |
| 289 | + transition: transform 0.2s ease; |
| 290 | +} |
| 291 | +
|
| 292 | +.page-markdown-actions__menu[open] .page-markdown-actions__chevron { |
| 293 | + transform: rotate(180deg); |
| 294 | +} |
| 295 | +
|
| 296 | +.page-markdown-actions__dropdown { |
| 297 | + position: absolute; |
| 298 | + top: 100%; |
| 299 | + right: 0; |
| 300 | + z-index: 20; |
| 301 | + min-width: 13rem; |
| 302 | + padding: 0.35rem; |
| 303 | + border: 1px solid var(--vp-c-divider); |
| 304 | + border-radius: 0.75rem; |
| 305 | + background: var(--vp-c-bg); |
| 306 | + box-shadow: var(--vp-shadow-3); |
| 307 | +} |
| 308 | +
|
| 309 | +.page-markdown-actions__item { |
| 310 | + display: flex; |
| 311 | + width: 100%; |
| 312 | + align-items: center; |
| 313 | + border: 0; |
| 314 | + border-radius: 0.5rem; |
| 315 | + background: transparent; |
| 316 | + color: var(--vp-c-text-1); |
| 317 | + font: inherit; |
| 318 | + font-size: 0.875rem; |
| 319 | + line-height: 1.3; |
| 320 | + padding: 0.55rem 0.7rem; |
| 321 | + text-align: left; |
| 322 | + text-decoration: none; |
| 323 | + cursor: pointer; |
| 324 | +} |
| 325 | +
|
| 326 | +.page-markdown-actions__item:hover { |
| 327 | + background: var(--vp-c-bg-soft); |
| 328 | + color: var(--vp-c-brand-1); |
| 329 | +} |
| 330 | +</style> |
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