742 lines
21 KiB
JavaScript
742 lines
21 KiB
JavaScript
(function () {
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var form = document.querySelector("[data-editor-form]");
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var textarea = document.querySelector("[data-document-editor]");
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var statusNodes = document.querySelectorAll("[data-sync-status], [data-sync-status-secondary]");
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var hashEl = document.querySelector("[data-editor-hash]");
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var documentShell = document.querySelector("[data-document-path][data-document-hash]");
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var conflictNotice = document.querySelector("[data-conflict-notice]");
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var conflictHash = document.querySelector("[data-conflict-hash]");
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var conflictStatus = document.querySelector("[data-conflict-status]");
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var conflictDiff = document.querySelector("[data-conflict-diff]");
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var conflictApply = document.querySelector("[data-conflict-apply]");
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var conflictDismiss = document.querySelector("[data-conflict-dismiss]");
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var conflictResolution = document.querySelector("[data-conflict-resolution]");
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var conflictResolutionMount = document.querySelector("[data-conflict-codemirror-mount]");
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var conflictUseServer = document.querySelector("[data-conflict-use='server']");
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var conflictUseLocal = document.querySelector("[data-conflict-use='local']");
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var conflictUseBoth = document.querySelector("[data-conflict-use='both']");
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var codeMirrorContainer = document.querySelector("[data-codemirror-mount]");
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var codeMirrorReadyPromise = null;
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var codeMirrorModules = null;
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if (!form || !textarea || statusNodes.length === 0) {
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return;
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}
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var path = form.getAttribute("data-document-path");
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var baseHash = documentShell ? documentShell.getAttribute("data-document-hash") : "";
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var saveTimer = null;
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var lastSavedValue = textarea.value;
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var editor = null;
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var currentConflict = null;
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var currentConflictLocalContent = "";
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var resolvedConflictContent = "";
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var conflictDiffView = null;
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var resolutionEditor = null;
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var suppressResolutionEvents = false;
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var doneLink = document.querySelector("[data-done-link]");
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var isSaving = false;
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var suppressBeforeUnload = false;
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function setStatus(nextStatus) {
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statusNodes.forEach(function (node) {
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node.textContent = nextStatus;
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node.dataset.state = nextStatus.toLowerCase();
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});
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}
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function getEditorValue() {
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return editor ? editor.getValue() : textarea.value;
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}
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function setEditorValue(value) {
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textarea.value = value;
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if (editor && editor.getValue() !== value) {
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editor.setValue(value);
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}
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}
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function getResolutionValue() {
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return resolutionEditor ? resolutionEditor.getValue() : resolvedConflictContent;
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}
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function setResolutionEditorValue(value) {
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resolvedConflictContent = value;
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if (conflictResolution) {
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conflictResolution.value = value;
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}
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if (resolutionEditor && resolutionEditor.getValue() !== value) {
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suppressResolutionEvents = true;
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resolutionEditor.setValue(value);
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suppressResolutionEvents = false;
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}
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}
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function ensureTrailingNewline(value) {
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return value.endsWith("\n") ? value : value + "\n";
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}
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function buildCombinedResolution(serverContent, localContent) {
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return ensureTrailingNewline(serverContent) + "\n" + ensureTrailingNewline(localContent);
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}
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function setConflictMessage(message) {
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if (conflictStatus) {
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conflictStatus.textContent = message;
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}
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}
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function setResolutionContent(content, message) {
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setResolutionEditorValue(content);
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if (conflictApply) {
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conflictApply.disabled = false;
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}
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if (message) {
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setConflictMessage(message);
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}
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}
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async function loadDiffs() {
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var modules = await Promise.all([
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import("https://cdn.jsdelivr.net/npm/@pierre/diffs@1.1.22/+esm"),
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import("https://cdn.jsdelivr.net/npm/@pierre/diffs@1.1.22/dist/style.js"),
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]);
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return {
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renderer: modules[0],
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stylesheet: modules[1].default || "",
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};
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}
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function styleDiffContainer(diffContainer) {
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diffContainer.style.setProperty("--diffs-light-bg", "#fcfaf5");
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diffContainer.style.setProperty("--diffs-light", "#1c2430");
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diffContainer.style.setProperty("--diffs-dark-bg", "#1e1e1e");
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diffContainer.style.setProperty("--diffs-dark", "#e8ecf0");
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diffContainer.style.setProperty("--diffs-addition-color", "#3f8f59");
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diffContainer.style.setProperty("--diffs-deletion-color", "#c8553d");
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diffContainer.style.setProperty("--diffs-modified-color", "#c67a2a");
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diffContainer.style.setProperty("--diffs-font-family", "'Iosevka', 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace");
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diffContainer.style.setProperty("--diffs-header-font-family", "'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif");
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}
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function injectDiffStyles(diffContainer, stylesheet) {
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var root = diffContainer.shadowRoot;
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if (!root || !stylesheet || root.querySelector("[data-cairnquire-diffs-style]")) {
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return;
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}
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var style = document.createElement("style");
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style.setAttribute("data-cairnquire-diffs-style", "");
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style.textContent = stylesheet;
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root.prepend(style);
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}
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function renderConflictResolver(conflict, localContent) {
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if (!conflictDiff) {
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return;
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}
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if (conflictDiffView) {
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conflictDiffView.cleanUp();
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conflictDiffView = null;
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}
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conflictDiff.replaceChildren();
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currentConflictLocalContent = localContent;
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setResolutionEditorValue(localContent);
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if (conflictApply) {
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conflictApply.disabled = false;
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}
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ensureResolutionEditor();
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setConflictMessage("Loading conflict resolver...");
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loadDiffs().then(function (diffsModule) {
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var diffs = diffsModule.renderer;
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var diffContainer = document.createElement("div");
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styleDiffContainer(diffContainer);
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conflictDiff.appendChild(diffContainer);
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var serverFile = {
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name: path,
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contents: conflict.currentContent || "",
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lang: "markdown",
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cacheKey: "server:" + (conflict.currentHash || ""),
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};
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var localFile = {
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name: path,
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contents: localContent,
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lang: "markdown",
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cacheKey: "local:" + (conflict.baseHash || "") + ":" + localContent.length,
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};
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conflictDiffView = new diffs.FileDiff({
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disableFileHeader: false,
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diffStyle: "unified",
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diffIndicators: "classic",
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lineDiffType: "word",
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overflow: "scroll",
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parseDiffOptions: { context: 4 },
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});
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conflictDiffView.render({
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oldFile: serverFile,
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newFile: localFile,
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fileContainer: diffContainer,
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});
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injectDiffStyles(diffContainer, diffsModule.stylesheet);
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setConflictMessage("Red deletions are from the server copy. Green additions are from your queued edit.");
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}).catch(function () {
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setConflictMessage("Could not load the diff renderer. Your edit is still queued locally.");
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});
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}
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function showConflict(conflict, localContent) {
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currentConflict = conflict;
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setStatus("Conflict");
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form.hidden = true;
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if (conflictHash && conflict && conflict.currentHash) {
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conflictHash.textContent = conflict.currentHash;
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}
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if (conflictNotice) {
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conflictNotice.hidden = false;
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}
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renderConflictResolver(conflict, localContent || getEditorValue());
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}
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function hideConflict() {
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form.hidden = false;
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if (conflictNotice) {
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conflictNotice.hidden = true;
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}
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if (conflictDiff) {
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conflictDiff.replaceChildren();
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}
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if (conflictDiffView) {
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conflictDiffView.cleanUp();
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conflictDiffView = null;
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}
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if (conflictApply) {
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conflictApply.disabled = true;
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}
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setResolutionEditorValue("");
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currentConflict = null;
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currentConflictLocalContent = "";
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}
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async function saveNow() {
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var value = getEditorValue();
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if (value === lastSavedValue) {
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setStatus("Saved");
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return "unchanged";
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}
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isSaving = true;
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hideConflict();
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setStatus("Saving");
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if (!window.MDHubSync) {
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isSaving = false;
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setStatus("Queued");
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return "queued";
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}
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try {
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var result = await window.MDHubSync.saveDocument(path, value, baseHash);
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if (result.status === "saved") {
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lastSavedValue = value;
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if (hashEl && result.result && result.result.hash) {
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hashEl.textContent = result.result.hash;
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baseHash = result.result.hash;
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if (documentShell) {
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documentShell.setAttribute("data-document-hash", result.result.hash);
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}
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}
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setStatus("Saved");
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isSaving = false;
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return "saved";
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}
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if (result.status === "conflict") {
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showConflict(result.conflict, value);
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isSaving = false;
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return "conflict";
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}
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setStatus("Queued");
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return "queued";
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} catch (err) {
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setStatus("Queued");
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throw err;
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} finally {
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isSaving = false;
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}
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}
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async function applyResolvedConflict() {
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if (!window.MDHubSync || !currentConflict) {
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return;
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}
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var resolutionContent = getResolutionValue();
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resolvedConflictContent = resolutionContent;
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setConflictMessage("Saving resolved document...");
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if (conflictApply) {
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conflictApply.disabled = true;
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}
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var result = await window.MDHubSync.saveDocument(path, resolutionContent, currentConflict.currentHash);
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if (result.status === "saved") {
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setEditorValue(resolutionContent);
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lastSavedValue = resolutionContent;
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if (hashEl && result.result && result.result.hash) {
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hashEl.textContent = result.result.hash;
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baseHash = result.result.hash;
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if (documentShell) {
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documentShell.setAttribute("data-document-hash", result.result.hash);
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}
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}
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hideConflict();
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setStatus("Saved");
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return;
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}
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if (result.status === "conflict") {
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showConflict(result.conflict, resolutionContent);
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return;
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}
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setStatus("Queued");
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setConflictMessage("Resolved document is queued and will retry when the server is reachable.");
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}
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function restorePendingConflict() {
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if (!window.MDHubCache || !window.MDHubCache.getPendingEdit) {
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return;
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}
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var normalizedPath = window.MDHubCache.normalizePath("/docs/" + path.replace(/^\/+/, ""));
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window.MDHubCache.getPendingEdit(normalizedPath).then(function (pending) {
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if (pending && pending.conflict) {
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showConflict(pending.conflict, pending.content || getEditorValue());
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}
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}).catch(function () {});
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}
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function scheduleSave() {
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setStatus("Unsaved");
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if (saveTimer) {
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clearTimeout(saveTimer);
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}
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saveTimer = setTimeout(function () {
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saveNow().catch(function () {
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setStatus("Queued");
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});
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}, 2000);
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}
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function doneHref() {
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return doneLink ? doneLink.getAttribute("href") : "/docs/" + path.replace(/\.md$/, "");
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}
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function clearScheduledSave() {
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if (saveTimer) {
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clearTimeout(saveTimer);
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saveTimer = null;
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}
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}
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function leaveEditorNow() {
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clearScheduledSave();
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suppressBeforeUnload = true;
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window.location.href = doneHref();
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}
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function saveThenLeaveEditor() {
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var href = doneHref();
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if (currentConflict) {
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setStatus("Conflict");
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if (conflictNotice) {
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conflictNotice.scrollIntoView({ behavior: "smooth", block: "center" });
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}
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return;
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}
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clearScheduledSave();
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if (isSaving) {
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waitForSaveThenNavigate(href);
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return;
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}
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setStatus("Saving");
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saveNow()
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.then(function (result) {
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if (result === "saved" || result === "unchanged") {
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suppressBeforeUnload = true;
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window.location.href = href;
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return;
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}
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if (result === "conflict") {
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setStatus("Conflict");
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return;
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}
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setStatus("Queued");
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if (window.confirm("Could not save. Leave without saving?")) {
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suppressBeforeUnload = true;
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window.location.href = href;
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}
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})
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.catch(function () {
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setStatus("Queued");
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if (window.confirm("Could not save. Leave without saving?")) {
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suppressBeforeUnload = true;
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window.location.href = href;
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}
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});
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}
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function loadCodeMirror() {
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if (codeMirrorReadyPromise) {
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return codeMirrorReadyPromise;
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}
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codeMirrorReadyPromise = Promise.all([
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import("/static/codemirror.bundle.js"),
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]).then(function (modules) {
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var bundle = modules[0];
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codeMirrorModules = {
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cm: bundle,
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markdown: bundle,
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vim: bundle,
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};
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registerVimCommands();
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return codeMirrorModules;
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});
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return codeMirrorReadyPromise;
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}
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function registerVimCommands() {
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var Vim = codeMirrorModules && codeMirrorModules.vim && codeMirrorModules.vim.Vim;
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if (!Vim) {
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return;
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}
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Vim.defineEx("write", "w", function () {
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saveNow().catch(function () {
|
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setStatus("Queued");
|
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});
|
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});
|
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Vim.defineEx("quit", "q", function () {
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leaveEditorNow();
|
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});
|
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Vim.defineEx("wq", "wq", function () {
|
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saveThenLeaveEditor();
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});
|
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Vim.defineEx("xit", "x", function () {
|
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saveThenLeaveEditor();
|
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});
|
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Vim.map("<Esc>", ":q<CR>");
|
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}
|
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|
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function codeMirrorTheme() {
|
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var EditorView = codeMirrorModules.cm.EditorView;
|
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var isDark = window.matchMedia("(prefers-color-scheme: dark)").matches;
|
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|
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return EditorView.theme({
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"&": {
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height: "100%",
|
|
minHeight: "60vh",
|
|
backgroundColor: "var(--panel)",
|
|
color: "var(--text)",
|
|
fontSize: "14px",
|
|
},
|
|
"&.cm-focused": {
|
|
outline: "none",
|
|
},
|
|
".cm-scroller": {
|
|
fontFamily: "'Iosevka', 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace",
|
|
lineHeight: "22px",
|
|
},
|
|
".cm-content": {
|
|
padding: "12px 0",
|
|
caretColor: "var(--accent)",
|
|
},
|
|
".cm-line": {
|
|
padding: "0 14px",
|
|
},
|
|
".cm-gutters": {
|
|
backgroundColor: "var(--panel-strong)",
|
|
borderRight: "1px solid var(--border)",
|
|
color: "var(--muted)",
|
|
},
|
|
".cm-activeLine, .cm-activeLineGutter": {
|
|
backgroundColor: isDark ? "oklch(0.24 0.012 55)" : "#f0ede5",
|
|
},
|
|
".cm-selectionBackground, &.cm-focused .cm-selectionBackground": {
|
|
backgroundColor: "color-mix(in srgb, var(--accent) 22%, transparent)",
|
|
},
|
|
".cm-cursor": {
|
|
borderLeftColor: "var(--accent)",
|
|
},
|
|
".cm-panel": {
|
|
backgroundColor: "var(--panel-strong)",
|
|
borderTop: "1px solid var(--border)",
|
|
color: "var(--text)",
|
|
fontFamily: "'Iosevka', 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace",
|
|
},
|
|
".cm-vim-panel input": {
|
|
color: "var(--text)",
|
|
},
|
|
}, { dark: isDark });
|
|
}
|
|
|
|
function codeMirrorHighlighting() {
|
|
var cm = codeMirrorModules.cm;
|
|
var tags = codeMirrorModules.cm.tags;
|
|
var urlColor = window.matchMedia("(prefers-color-scheme: dark)").matches
|
|
? "oklch(0.78 0.14 190)"
|
|
: "#047c78";
|
|
|
|
return cm.syntaxHighlighting(cm.HighlightStyle.define([
|
|
{
|
|
tag: [tags.url, tags.link],
|
|
color: urlColor,
|
|
textDecoration: "underline",
|
|
textUnderlineOffset: "2px",
|
|
},
|
|
]));
|
|
}
|
|
|
|
function createCodeMirrorEditor(mount, initialValue, options) {
|
|
var cm = codeMirrorModules.cm;
|
|
var markdownModule = codeMirrorModules.markdown;
|
|
var vimModule = codeMirrorModules.vim;
|
|
var onChange = options && options.onChange ? options.onChange : function () {};
|
|
var extensions = [
|
|
vimModule.vim({ status: true }),
|
|
cm.basicSetup,
|
|
markdownModule.markdown({
|
|
base: markdownModule.markdownLanguage,
|
|
}),
|
|
cm.EditorView.lineWrapping,
|
|
codeMirrorTheme(),
|
|
codeMirrorHighlighting(),
|
|
cm.EditorView.updateListener.of(function (update) {
|
|
if (update.docChanged) {
|
|
onChange(update.state.doc.toString());
|
|
}
|
|
}),
|
|
];
|
|
|
|
mount.replaceChildren();
|
|
mount.classList.add("codemirror-mounted");
|
|
|
|
var view = new cm.EditorView({
|
|
doc: initialValue,
|
|
extensions: extensions,
|
|
parent: mount,
|
|
});
|
|
|
|
return {
|
|
view: view,
|
|
getValue: function () {
|
|
return view.state.doc.toString();
|
|
},
|
|
setValue: function (value) {
|
|
if (view.state.doc.toString() === value) {
|
|
return;
|
|
}
|
|
view.dispatch({
|
|
changes: { from: 0, to: view.state.doc.length, insert: value },
|
|
});
|
|
},
|
|
focus: function () {
|
|
view.focus();
|
|
},
|
|
hasTextFocus: function () {
|
|
return view.hasFocus;
|
|
},
|
|
destroy: function () {
|
|
view.destroy();
|
|
},
|
|
};
|
|
}
|
|
|
|
function ensureResolutionEditor() {
|
|
if (!conflictResolution || !conflictResolutionMount) {
|
|
return;
|
|
}
|
|
|
|
loadCodeMirror().then(function () {
|
|
if (resolutionEditor) {
|
|
return;
|
|
}
|
|
|
|
resolutionEditor = createCodeMirrorEditor(conflictResolutionMount, conflictResolution.value || resolvedConflictContent, {
|
|
onChange: function (value) {
|
|
if (suppressResolutionEvents) {
|
|
return;
|
|
}
|
|
resolvedConflictContent = value;
|
|
conflictResolution.value = value;
|
|
if (conflictApply) {
|
|
conflictApply.disabled = false;
|
|
}
|
|
setConflictMessage("Manual resolution updated. Apply it to save the resolved document.");
|
|
},
|
|
});
|
|
conflictResolution.hidden = true;
|
|
resolutionEditor.focus();
|
|
}).catch(function () {
|
|
conflictResolution.hidden = false;
|
|
});
|
|
}
|
|
|
|
if (codeMirrorContainer) {
|
|
loadCodeMirror().then(function () {
|
|
editor = createCodeMirrorEditor(codeMirrorContainer, textarea.value, {
|
|
onChange: function (value) {
|
|
textarea.value = value;
|
|
scheduleSave();
|
|
},
|
|
});
|
|
textarea.hidden = true;
|
|
editor.focus();
|
|
}).catch(function () {
|
|
textarea.addEventListener("input", scheduleSave);
|
|
});
|
|
} else {
|
|
textarea.addEventListener("input", scheduleSave);
|
|
}
|
|
|
|
form.addEventListener("submit", function (event) {
|
|
event.preventDefault();
|
|
saveNow().catch(function () {
|
|
setStatus("Queued");
|
|
});
|
|
});
|
|
|
|
if (conflictApply) {
|
|
conflictApply.addEventListener("click", function () {
|
|
applyResolvedConflict().catch(function () {
|
|
setStatus("Queued");
|
|
setConflictMessage("Could not save the resolved document. It remains queued locally.");
|
|
});
|
|
});
|
|
}
|
|
|
|
if (conflictDismiss) {
|
|
conflictDismiss.addEventListener("click", function () {
|
|
hideConflict();
|
|
});
|
|
}
|
|
|
|
if (conflictResolution) {
|
|
conflictResolution.addEventListener("input", function () {
|
|
resolvedConflictContent = conflictResolution.value;
|
|
if (conflictApply) {
|
|
conflictApply.disabled = false;
|
|
}
|
|
setConflictMessage("Manual resolution updated. Apply it to save the resolved document.");
|
|
});
|
|
}
|
|
|
|
if (conflictUseServer) {
|
|
conflictUseServer.addEventListener("click", function () {
|
|
if (!currentConflict) {
|
|
return;
|
|
}
|
|
setResolutionContent(currentConflict.currentContent || "", "Using the server copy as the resolution. You can edit it before applying.");
|
|
});
|
|
}
|
|
|
|
if (conflictUseLocal) {
|
|
conflictUseLocal.addEventListener("click", function () {
|
|
setResolutionContent(currentConflictLocalContent, "Using your queued edit as the resolution. You can edit it before applying.");
|
|
});
|
|
}
|
|
|
|
if (conflictUseBoth) {
|
|
conflictUseBoth.addEventListener("click", function () {
|
|
if (!currentConflict) {
|
|
return;
|
|
}
|
|
setResolutionContent(
|
|
buildCombinedResolution(currentConflict.currentContent || "", currentConflictLocalContent),
|
|
"Using both versions as the resolution. Edit the combined content before applying."
|
|
);
|
|
});
|
|
}
|
|
|
|
restorePendingConflict();
|
|
|
|
if (doneLink) {
|
|
doneLink.addEventListener("click", function (event) {
|
|
event.preventDefault();
|
|
saveThenLeaveEditor();
|
|
});
|
|
}
|
|
|
|
function waitForSaveThenNavigate(href) {
|
|
var checkInterval = setInterval(function () {
|
|
if (!isSaving) {
|
|
clearInterval(checkInterval);
|
|
if (currentConflict) {
|
|
setStatus("Conflict");
|
|
if (conflictNotice) {
|
|
conflictNotice.scrollIntoView({ behavior: "smooth", block: "center" });
|
|
}
|
|
return;
|
|
}
|
|
suppressBeforeUnload = true;
|
|
window.location.href = href;
|
|
}
|
|
}, 100);
|
|
// Timeout after 10 seconds
|
|
setTimeout(function () {
|
|
clearInterval(checkInterval);
|
|
}, 10000);
|
|
}
|
|
|
|
// Warn on browser unload if there are unsaved changes
|
|
window.addEventListener("beforeunload", function (e) {
|
|
if (suppressBeforeUnload) {
|
|
return;
|
|
}
|
|
if (getEditorValue() !== lastSavedValue || currentConflict) {
|
|
e.preventDefault();
|
|
e.returnValue = "";
|
|
}
|
|
});
|
|
|
|
function editorSurfaceHasFocus(target) {
|
|
if (!target) {
|
|
return false;
|
|
}
|
|
if (target === textarea || target.closest("[data-codemirror-mount], [data-conflict-codemirror-mount], [data-document-editor], .cm-editor")) {
|
|
return true;
|
|
}
|
|
return Boolean(editor && editor.hasTextFocus && editor.hasTextFocus());
|
|
}
|
|
|
|
document.addEventListener("keydown", function (e) {
|
|
if ((e.metaKey || e.ctrlKey) && e.key === "s") {
|
|
e.preventDefault();
|
|
saveNow().catch(function () {
|
|
setStatus("Queued");
|
|
});
|
|
return;
|
|
}
|
|
|
|
if (e.metaKey && e.key === "Enter") {
|
|
e.preventDefault();
|
|
saveThenLeaveEditor();
|
|
return;
|
|
}
|
|
|
|
if (!editorSurfaceHasFocus(e.target)) {
|
|
return;
|
|
}
|
|
}, true);
|
|
})();
|