fix(mermaid): themechange detector + expand simplification
This commit is contained in:
Jacky Zhao
parent
e59181c3aa
commit
87b803790c
3 changed files with 87 additions and 165 deletions
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@ -12,7 +12,8 @@ class DiagramPanZoom {
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private scale = 1
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private readonly MIN_SCALE = 0.5
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private readonly MAX_SCALE = 3
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private readonly ZOOM_SENSITIVITY = 0.001
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cleanups: (() => void)[] = []
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constructor(
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private container: HTMLElement,
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@ -20,19 +21,33 @@ class DiagramPanZoom {
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) {
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this.setupEventListeners()
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this.setupNavigationControls()
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this.resetTransform()
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}
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private setupEventListeners() {
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// Mouse drag events
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this.container.addEventListener("mousedown", this.onMouseDown.bind(this))
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document.addEventListener("mousemove", this.onMouseMove.bind(this))
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document.addEventListener("mouseup", this.onMouseUp.bind(this))
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const mouseDownHandler = this.onMouseDown.bind(this)
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const mouseMoveHandler = this.onMouseMove.bind(this)
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const mouseUpHandler = this.onMouseUp.bind(this)
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const resizeHandler = this.resetTransform.bind(this)
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// Wheel zoom events
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this.container.addEventListener("wheel", this.onWheel.bind(this), { passive: false })
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this.container.addEventListener("mousedown", mouseDownHandler)
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document.addEventListener("mousemove", mouseMoveHandler)
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document.addEventListener("mouseup", mouseUpHandler)
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window.addEventListener("resize", resizeHandler)
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// Reset on window resize
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window.addEventListener("resize", this.resetTransform.bind(this))
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this.cleanups.push(
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() => this.container.removeEventListener("mousedown", mouseDownHandler),
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() => document.removeEventListener("mousemove", mouseMoveHandler),
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() => document.removeEventListener("mouseup", mouseUpHandler),
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() => window.removeEventListener("resize", resizeHandler),
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)
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}
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cleanup() {
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for (const cleanup of this.cleanups) {
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cleanup()
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}
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}
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private setupNavigationControls() {
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@ -84,26 +99,6 @@ class DiagramPanZoom {
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this.container.style.cursor = "grab"
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}
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private onWheel(e: WheelEvent) {
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e.preventDefault()
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const delta = -e.deltaY * this.ZOOM_SENSITIVITY
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const newScale = Math.min(Math.max(this.scale + delta, this.MIN_SCALE), this.MAX_SCALE)
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// Calculate mouse position relative to content
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const rect = this.content.getBoundingClientRect()
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const mouseX = e.clientX - rect.left
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const mouseY = e.clientY - rect.top
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// Adjust pan to zoom around mouse position
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const scaleDiff = newScale - this.scale
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this.currentPan.x -= mouseX * scaleDiff
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this.currentPan.y -= mouseY * scaleDiff
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this.scale = newScale
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this.updateTransform()
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}
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private zoom(delta: number) {
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const newScale = Math.min(Math.max(this.scale + delta, this.MIN_SCALE), this.MAX_SCALE)
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@ -126,7 +121,11 @@ class DiagramPanZoom {
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private resetTransform() {
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this.scale = 1
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this.currentPan = { x: 0, y: 0 }
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const svg = this.content.querySelector("svg")!
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this.currentPan = {
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x: svg.getBoundingClientRect().width / 2,
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y: svg.getBoundingClientRect().height / 2,
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}
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this.updateTransform()
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}
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}
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@ -149,20 +148,35 @@ document.addEventListener("nav", async () => {
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const nodes = center.querySelectorAll("code.mermaid") as NodeListOf<HTMLElement>
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if (nodes.length === 0) return
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const computedStyleMap = cssVars.reduce(
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(acc, key) => {
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acc[key] = getComputedStyle(document.documentElement).getPropertyValue(key)
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return acc
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},
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{} as Record<(typeof cssVars)[number], string>,
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)
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mermaidImport ||= await import(
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// @ts-ignore
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"https://cdnjs.cloudflare.com/ajax/libs/mermaid/11.4.0/mermaid.esm.min.mjs"
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)
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const mermaid = mermaidImport.default
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const textMapping: WeakMap<HTMLElement, string> = new WeakMap()
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for (const node of nodes) {
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textMapping.set(node, node.innerText)
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}
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async function renderMermaid() {
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// de-init any other diagrams
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for (const node of nodes) {
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node.removeAttribute("data-processed")
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const oldText = textMapping.get(node)
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if (oldText) {
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node.innerHTML = oldText
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}
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}
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const computedStyleMap = cssVars.reduce(
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(acc, key) => {
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acc[key] = window.getComputedStyle(document.documentElement).getPropertyValue(key)
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return acc
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},
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{} as Record<(typeof cssVars)[number], string>,
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)
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const darkMode = document.documentElement.getAttribute("saved-theme") === "dark"
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mermaid.initialize({
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startOnLoad: false,
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@ -180,7 +194,13 @@ document.addEventListener("nav", async () => {
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edgeLabelBackground: computedStyleMap["--highlight"],
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},
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})
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await mermaid.run({ nodes })
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}
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await renderMermaid()
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document.addEventListener("themechange", renderMermaid)
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window.addCleanup(() => document.removeEventListener("themechange", renderMermaid))
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for (let i = 0; i < nodes.length; i++) {
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const codeBlock = nodes[i] as HTMLElement
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@ -203,7 +223,6 @@ document.addEventListener("nav", async () => {
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if (!popupContainer) return
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let panZoom: DiagramPanZoom | null = null
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function showMermaid() {
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const container = popupContainer.querySelector("#mermaid-space") as HTMLElement
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const content = popupContainer.querySelector(".mermaid-content") as HTMLElement
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@ -224,24 +243,15 @@ document.addEventListener("nav", async () => {
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function hideMermaid() {
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popupContainer.classList.remove("active")
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panZoom?.cleanup()
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panZoom = null
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}
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function handleEscape(e: any) {
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if (e.key === "Escape") {
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hideMermaid()
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}
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}
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const closeBtn = popupContainer.querySelector(".close-button") as HTMLButtonElement
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closeBtn.addEventListener("click", hideMermaid)
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expandBtn.addEventListener("click", showMermaid)
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registerEscapeHandler(popupContainer, hideMermaid)
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document.addEventListener("keydown", handleEscape)
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window.addCleanup(() => {
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closeBtn.removeEventListener("click", hideMermaid)
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panZoom?.cleanup()
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expandBtn.removeEventListener("click", showMermaid)
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})
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}
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@ -53,46 +53,16 @@ pre {
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}
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& > #mermaid-space {
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display: grid;
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width: 90%;
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height: 90vh;
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margin: 5vh auto;
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background: var(--light);
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box-shadow:
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0 14px 50px rgba(27, 33, 48, 0.12),
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0 10px 30px rgba(27, 33, 48, 0.16);
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border: 1px solid var(--lightgray);
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background-color: var(--light);
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border-radius: 5px;
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position: fixed;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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height: 80vh;
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width: 80vw;
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overflow: hidden;
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position: relative;
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& > .mermaid-header {
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display: flex;
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justify-content: flex-end;
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padding: 1rem;
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border-bottom: 1px solid var(--lightgray);
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background: var(--light);
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z-index: 2;
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max-height: fit-content;
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& > .close-button {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 32px;
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height: 32px;
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padding: 0;
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background: transparent;
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border: none;
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border-radius: 4px;
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color: var(--darkgray);
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cursor: pointer;
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transition: all 0.2s ease;
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&:hover {
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background: var(--lightgray);
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color: var(--dark);
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}
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}
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}
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& > .mermaid-content {
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padding: 2rem;
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@ -675,7 +675,6 @@ export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options>>
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properties: {
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className: ["expand-button"],
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"aria-label": "Expand mermaid diagram",
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"aria-hidden": "true",
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"data-view-component": true,
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},
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children: [
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@ -706,70 +705,13 @@ export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options>>
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{
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type: "element",
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tagName: "div",
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properties: { id: "mermaid-container" },
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properties: { id: "mermaid-container", role: "dialog" },
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children: [
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{
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type: "element",
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tagName: "div",
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properties: { id: "mermaid-space" },
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children: [
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{
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type: "element",
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tagName: "div",
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properties: { className: ["mermaid-header"] },
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children: [
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{
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type: "element",
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tagName: "button",
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properties: {
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className: ["close-button"],
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"aria-label": "close button",
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},
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children: [
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{
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type: "element",
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tagName: "svg",
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properties: {
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"aria-hidden": "true",
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xmlns: "http://www.w3.org/2000/svg",
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width: 24,
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height: 24,
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viewBox: "0 0 24 24",
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fill: "none",
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stroke: "currentColor",
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"stroke-width": "2",
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"stroke-linecap": "round",
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"stroke-linejoin": "round",
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},
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children: [
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{
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type: "element",
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tagName: "line",
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properties: {
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x1: 18,
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y1: 6,
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x2: 6,
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y2: 18,
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},
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children: [],
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},
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{
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type: "element",
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tagName: "line",
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properties: {
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x1: 6,
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y1: 6,
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x2: 18,
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y2: 18,
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},
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children: [],
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},
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],
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},
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],
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},
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],
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},
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{
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type: "element",
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tagName: "div",
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