|
| 1 | +export function makeTreeCollapsible(element) { |
| 2 | + const html = element.innerHTML |
| 3 | + const lines = html.split("\n") |
| 4 | + |
| 5 | + const processedLines = lines.map((lineHtml, index) => { |
| 6 | + const tempElement = document.createElement("span") |
| 7 | + tempElement.innerHTML = lineHtml |
| 8 | + const plainText = tempElement.textContent || "" |
| 9 | + const depth = getLineDepth(plainText) |
| 10 | + const isNodeLine = lineHtml.includes('class="token node"') || lineHtml.includes('class="token error-class"') |
| 11 | + |
| 12 | + const toggleHtml = isNodeLine |
| 13 | + ? '<span class="tree-toggle" data-collapsed="false"></span>' |
| 14 | + : "" |
| 15 | + |
| 16 | + const classes = ["tree-line"] |
| 17 | + if (isNodeLine) classes.push("tree-collapsible") |
| 18 | + |
| 19 | + return `<span class="${classes.join(" ")}" data-depth="${depth}" data-line-index="${index}">${toggleHtml}${lineHtml}</span>` |
| 20 | + }) |
| 21 | + |
| 22 | + element.innerHTML = processedLines.join("") |
| 23 | + |
| 24 | + element.querySelectorAll(".tree-toggle").forEach((toggle) => { |
| 25 | + toggle.addEventListener("click", (event) => { |
| 26 | + event.preventDefault() |
| 27 | + event.stopPropagation() |
| 28 | + toggleTreeNode(toggle) |
| 29 | + }) |
| 30 | + }) |
| 31 | + |
| 32 | + element.querySelectorAll(".tree-collapsible .token.node, .tree-collapsible .token.error-class").forEach((token) => { |
| 33 | + const name = token.textContent.replace(/^@ /, "") |
| 34 | + token.dataset.name = name |
| 35 | + token.dataset.prefix = "@" |
| 36 | + |
| 37 | + token.addEventListener("click", (event) => { |
| 38 | + event.preventDefault() |
| 39 | + event.stopPropagation() |
| 40 | + const toggle = token.closest(".tree-collapsible").querySelector(".tree-toggle") |
| 41 | + if (toggle) toggleTreeNode(toggle) |
| 42 | + }) |
| 43 | + }) |
| 44 | +} |
| 45 | + |
| 46 | +export function expandAllNodes(element) { |
| 47 | + element.querySelectorAll(".tree-toggle").forEach((toggle) => { |
| 48 | + if (toggle.dataset.collapsed === "true") { |
| 49 | + toggleTreeNode(toggle) |
| 50 | + } |
| 51 | + }) |
| 52 | +} |
| 53 | + |
| 54 | +export function collapseAllNodes(element) { |
| 55 | + const toggles = Array.from(element.querySelectorAll(".tree-toggle")) |
| 56 | + |
| 57 | + toggles.sort((a, b) => { |
| 58 | + const depthA = parseInt(a.closest(".tree-line").dataset.depth) |
| 59 | + const depthB = parseInt(b.closest(".tree-line").dataset.depth) |
| 60 | + return depthB - depthA |
| 61 | + }) |
| 62 | + |
| 63 | + toggles.forEach((toggle) => { |
| 64 | + if (toggle.dataset.collapsed === "false") { |
| 65 | + toggleTreeNode(toggle) |
| 66 | + } |
| 67 | + }) |
| 68 | + |
| 69 | + const rootToggle = toggles.find((toggle) => { |
| 70 | + return parseInt(toggle.closest(".tree-line").dataset.depth) === 0 |
| 71 | + }) |
| 72 | + |
| 73 | + if (rootToggle && rootToggle.dataset.collapsed === "true") { |
| 74 | + toggleTreeNode(rootToggle) |
| 75 | + } |
| 76 | +} |
| 77 | + |
| 78 | +export function revealTreeLine(element) { |
| 79 | + if (!element) return |
| 80 | + |
| 81 | + const line = element.closest(".tree-line") |
| 82 | + if (!line) return |
| 83 | + |
| 84 | + const depth = parseInt(line.dataset.depth) |
| 85 | + |
| 86 | + let current = line.previousElementSibling |
| 87 | + let currentDepth = depth |
| 88 | + |
| 89 | + while (current) { |
| 90 | + const siblingDepth = parseInt(current.dataset.depth) |
| 91 | + |
| 92 | + if (siblingDepth < currentDepth && current.classList.contains("tree-collapsible")) { |
| 93 | + const toggle = current.querySelector(".tree-toggle") |
| 94 | + if (toggle && toggle.dataset.collapsed === "true") { |
| 95 | + toggleTreeNode(toggle) |
| 96 | + } |
| 97 | + currentDepth = siblingDepth |
| 98 | + } |
| 99 | + |
| 100 | + if (siblingDepth === 0) break |
| 101 | + current = current.previousElementSibling |
| 102 | + } |
| 103 | +} |
| 104 | + |
| 105 | +function getLineDepth(plainText) { |
| 106 | + const match = plainText.match(/[A-Za-z@]/) |
| 107 | + if (!match) return 9999 |
| 108 | + return Math.floor(match.index / 4) |
| 109 | +} |
| 110 | + |
| 111 | +function isBlankTreeLine(treeLine) { |
| 112 | + const plainText = treeLine.textContent.replace(/[\u25BC\u25B6]/g, "") |
| 113 | + return plainText.trim() === "" || /^[\s│├└─]*$/.test(plainText) |
| 114 | +} |
| 115 | + |
| 116 | +function toggleTreeNode(toggle) { |
| 117 | + const line = toggle.closest(".tree-line") |
| 118 | + const depth = parseInt(line.dataset.depth) |
| 119 | + const isCollapsed = toggle.dataset.collapsed === "true" |
| 120 | + |
| 121 | + const children = [] |
| 122 | + let sibling = line.nextElementSibling |
| 123 | + |
| 124 | + while (sibling) { |
| 125 | + const siblingDepth = parseInt(sibling.dataset.depth) |
| 126 | + if (siblingDepth <= depth) break |
| 127 | + children.push(sibling) |
| 128 | + sibling = sibling.nextElementSibling |
| 129 | + } |
| 130 | + |
| 131 | + if (isCollapsed) { |
| 132 | + for (let index = 0; index < children.length; index++) { |
| 133 | + const child = children[index] |
| 134 | + child.style.display = "" |
| 135 | + |
| 136 | + if (child.classList.contains("tree-collapsible")) { |
| 137 | + const subToggle = child.querySelector(".tree-toggle") |
| 138 | + |
| 139 | + if (subToggle && subToggle.dataset.collapsed === "true") { |
| 140 | + const subDepth = parseInt(child.dataset.depth) |
| 141 | + index++ |
| 142 | + |
| 143 | + while (index < children.length && parseInt(children[index].dataset.depth) > subDepth) { |
| 144 | + const nextIndex = index + 1 |
| 145 | + |
| 146 | + if (nextIndex < children.length && parseInt(children[nextIndex].dataset.depth) <= subDepth && isBlankTreeLine(children[index])) { |
| 147 | + children[index].style.display = "" |
| 148 | + } |
| 149 | + |
| 150 | + index++ |
| 151 | + } |
| 152 | + |
| 153 | + index-- |
| 154 | + } |
| 155 | + } |
| 156 | + } |
| 157 | + } else { |
| 158 | + let lastVisibleBlank = -1 |
| 159 | + |
| 160 | + for (let index = children.length - 1; index >= 0; index--) { |
| 161 | + if (isBlankTreeLine(children[index])) { |
| 162 | + lastVisibleBlank = index |
| 163 | + break |
| 164 | + } |
| 165 | + |
| 166 | + break |
| 167 | + } |
| 168 | + |
| 169 | + for (let index = 0; index < children.length; index++) { |
| 170 | + if (index === lastVisibleBlank) { |
| 171 | + children[index].style.display = "" |
| 172 | + } else { |
| 173 | + children[index].style.display = "none" |
| 174 | + } |
| 175 | + } |
| 176 | + } |
| 177 | + |
| 178 | + toggle.dataset.collapsed = isCollapsed ? "false" : "true" |
| 179 | + line.dataset.collapsed = toggle.dataset.collapsed |
| 180 | + |
| 181 | + const nodeToken = line.querySelector(".token.node, .token.error-class") |
| 182 | + |
| 183 | + if (nodeToken) { |
| 184 | + nodeToken.dataset.prefix = toggle.dataset.collapsed === "true" ? "-" : "@" |
| 185 | + } |
| 186 | +} |
0 commit comments