feat(editor): mermaid code editor & improve parsing (#10897)

This commit is contained in:
David Luzar
2026-03-05 18:52:41 +01:00
committed by GitHub
parent 47c254216b
commit c1dbbdf678
19 changed files with 1490 additions and 45 deletions
+10 -1
View File
@@ -106,6 +106,10 @@ export default defineConfig(({ mode }) => {
if (id.includes("@excalidraw/mermaid-to-excalidraw")) {
return "mermaid-to-excalidraw";
}
if (id.includes("@codemirror/") || id.includes("@lezer/")) {
return "codemirror.chunk";
}
},
},
},
@@ -150,6 +154,11 @@ export default defineConfig(({ mode }) => {
"**/locales/**",
"service-worker.js",
"**/*.chunk-*.js",
// CodeMirrorEditor can't be assigned a `.chunk` name via
// manualChunks because Rollup would hoist shared deps (React)
// via a static import from the main bundle, defeating lazy
// loading. So we exclude it by name instead.
"**/CodeMirrorEditor-*.js",
],
runtimeCaching: [
{
@@ -189,7 +198,7 @@ export default defineConfig(({ mode }) => {
},
},
{
urlPattern: new RegExp(".chunk-.+.js"),
urlPattern: new RegExp("(.chunk-.+|CodeMirrorEditor-.+)\\.js"),
handler: "CacheFirst",
options: {
cacheName: "chunk",
+2 -1
View File
@@ -88,7 +88,8 @@ export const isWritableElement = (
(target.type === "text" ||
target.type === "number" ||
target.type === "password" ||
target.type === "search"));
target.type === "search")) ||
(target instanceof HTMLElement && target.closest(".cm-editor") !== null);
export const getFontFamilyString = ({
fontFamily,
@@ -0,0 +1,239 @@
import { useEffect, useRef } from "react";
import {
Decoration,
EditorView,
keymap,
lineNumbers,
placeholder as cmPlaceholder,
drawSelection,
} from "@codemirror/view";
import { Compartment, EditorState, type Extension } from "@codemirror/state";
import {
defaultKeymap,
history,
historyKeymap,
redo,
} from "@codemirror/commands";
import { syntaxHighlighting, HighlightStyle } from "@codemirror/language";
import { tags } from "@lezer/highlight";
import type { Theme } from "@excalidraw/element/types";
import { mermaidLite } from "./mermaid-lang-lite";
export interface CodeMirrorEditorProps {
value: string;
onChange: (value: string) => void;
onKeyboardSubmit?: () => void;
placeholder?: string;
theme: Theme;
errorLine?: number | null;
}
// ---- Dark theme ----
const darkTheme = EditorView.theme(
{
"&": {
backgroundColor: "#1e1e1e",
color: "#d4d4d4",
},
".cm-content": { caretColor: "#fff" },
".cm-cursor": { borderLeftColor: "#fff" },
".cm-gutters": {
backgroundColor: "#1e1e1e",
color: "#858585",
border: "none",
},
".cm-activeLineGutter": { backgroundColor: "#2a2a2a" },
".cm-activeLine": { backgroundColor: "#2a2a2a" },
".cm-errorLine": { backgroundColor: "rgba(255, 0, 0, 0.15)" },
},
{ dark: true },
);
const darkHighlight = HighlightStyle.define([
{ tag: tags.keyword, color: "#569cd6" },
{ tag: tags.string, color: "#ce9178" },
{ tag: tags.comment, color: "#6a9955" },
{ tag: tags.number, color: "#b5cea8" },
{ tag: tags.operator, color: "#d4d4d4" },
{ tag: tags.punctuation, color: "#d4d4d4" },
{ tag: tags.variableName, color: "#9cdcfe" },
{ tag: tags.bracket, color: "#ffd700" },
]);
// ---- Light theme ----
const lightTheme = EditorView.theme({
"&": {
backgroundColor: "#ffffff",
color: "#1e1e1e",
},
".cm-content": { caretColor: "#000" },
".cm-cursor": { borderLeftColor: "#000" },
".cm-gutters": {
backgroundColor: "#fff",
color: "#999",
border: "none",
},
".cm-activeLineGutter": { backgroundColor: "#e8e8e8" },
".cm-activeLine": { backgroundColor: "#e8e8e8" },
".cm-errorLine": { backgroundColor: "rgba(255, 0, 0, 0.1)" },
});
const lightHighlight = HighlightStyle.define([
{ tag: tags.keyword, color: "#0000ff" },
{ tag: tags.string, color: "#a31515" },
{ tag: tags.comment, color: "#008000" },
{ tag: tags.number, color: "#098658" },
{ tag: tags.operator, color: "#1e1e1e" },
{ tag: tags.punctuation, color: "#1e1e1e" },
{ tag: tags.variableName, color: "#001080" },
{ tag: tags.bracket, color: "#af00db" },
]);
// ---- Error line decoration ----
const errorLineDeco = Decoration.line({ class: "cm-errorLine" });
const getErrorLineExtension = (
errorLine: number | null | undefined,
doc: { line(n: number): { from: number }; lines: number },
): Extension => {
if (!errorLine || errorLine < 1 || errorLine > doc.lines) {
return EditorView.decorations.of(Decoration.none);
}
const line = doc.line(errorLine);
return EditorView.decorations.of(
Decoration.set([errorLineDeco.range(line.from)]),
);
};
// ---- Helpers ----
const getThemeExtensions = (theme: Theme) => {
if (theme === "dark") {
return [darkTheme, syntaxHighlighting(darkHighlight)];
}
return [lightTheme, syntaxHighlighting(lightHighlight)];
};
const CodeMirrorEditor = ({
value,
onChange,
onKeyboardSubmit,
placeholder,
theme,
errorLine,
}: CodeMirrorEditorProps) => {
const containerRef = useRef<HTMLDivElement>(null);
const viewRef = useRef<EditorView | null>(null);
const onChangeRef = useRef(onChange);
const onKeyboardSubmitRef = useRef(onKeyboardSubmit);
const themeCompartmentRef = useRef(new Compartment());
const errorLineCompartmentRef = useRef(new Compartment());
onChangeRef.current = onChange;
onKeyboardSubmitRef.current = onKeyboardSubmit;
useEffect(() => {
if (!containerRef.current) {
return;
}
const themeCompartment = themeCompartmentRef.current;
const view = new EditorView({
state: EditorState.create({
doc: value,
extensions: [
keymap.of([
{
key: "Mod-Enter",
run: () => {
onKeyboardSubmitRef.current?.();
return true;
},
},
// historyKeymap binds Mod-Shift-z only on Mac; add it for all platforms
{ key: "Mod-Shift-z", run: redo, preventDefault: true },
]),
EditorView.updateListener.of((update) => {
if (update.docChanged) {
onChangeRef.current(update.state.doc.toString());
}
}),
history(),
keymap.of([...defaultKeymap, ...historyKeymap]),
lineNumbers(),
EditorView.lineWrapping,
themeCompartment.of(getThemeExtensions(theme)),
errorLineCompartmentRef.current.of([]),
mermaidLite(),
drawSelection({ drawRangeCursor: true }),
...(placeholder ? [cmPlaceholder(placeholder)] : []),
],
}),
parent: containerRef.current,
});
viewRef.current = view;
view.focus();
return () => {
view.destroy();
viewRef.current = null;
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);
// Swap theme dynamically via compartment
useEffect(() => {
const view = viewRef.current;
if (!view) {
return;
}
view.dispatch({
effects: themeCompartmentRef.current.reconfigure(
getThemeExtensions(theme),
),
});
}, [theme]);
// Update error line highlight
useEffect(() => {
const view = viewRef.current;
if (!view) {
return;
}
view.dispatch({
effects: errorLineCompartmentRef.current.reconfigure(
getErrorLineExtension(errorLine, view.state.doc),
),
});
}, [errorLine]);
// Sync external value changes into EditorView
useEffect(() => {
const view = viewRef.current;
if (!view) {
return;
}
const currentDoc = view.state.doc.toString();
if (value !== currentDoc) {
view.dispatch({
changes: { from: 0, to: currentDoc.length, insert: value },
});
}
}, [value]);
return (
<div
ref={containerRef}
className="ttd-dialog-input ttd-dialog-input--codemirror"
/>
);
};
export default CodeMirrorEditor;
@@ -17,6 +17,11 @@ import { TTDDialogOutput } from "./TTDDialogOutput";
import { TTDDialogPanel } from "./TTDDialogPanel";
import { TTDDialogPanels } from "./TTDDialogPanels";
import { TTDDialogSubmitShortcut } from "./TTDDialogSubmitShortcut";
import {
getMermaidErrorLineNumber,
isMermaidAutoFixableError,
} from "./utils/mermaidError";
import { getMermaidAutoFixCandidates } from "./utils/mermaidAutoFix";
import {
convertMermaidToExcalidraw,
insertToEditor,
@@ -33,6 +38,27 @@ const MERMAID_EXAMPLE =
"flowchart TD\n A[Christmas] -->|Get money| B(Go shopping)\n B --> C{Let me think}\n C -->|One| D[Laptop]\n C -->|Two| E[iPhone]\n C -->|Three| F[Car]";
const debouncedSaveMermaidDefinition = debounce(saveMermaidDataToStorage, 300);
const AUTO_FIX_DEBOUNCE_MS = 500;
const AUTO_FIX_MAX_DEPTH = 4;
const AUTO_FIX_MAX_CANDIDATES = 30;
const getErrorMessage = (error: unknown): string => {
if (error instanceof Error) {
return error.message;
}
if (typeof error === "string") {
return error;
}
if (
error &&
typeof error === "object" &&
"message" in error &&
typeof (error as { message?: unknown }).message === "string"
) {
return (error as { message: string }).message;
}
return "";
};
const MermaidToExcalidraw = ({
mermaidToExcalidrawLib,
@@ -46,8 +72,16 @@ const MermaidToExcalidraw = ({
EditorLocalStorage.get<string>(EDITOR_LS_KEYS.MERMAID_TO_EXCALIDRAW) ||
MERMAID_EXAMPLE,
);
const deferredText = useDeferredValue(text.trim());
const deferredText = useDeferredValue(text);
const [error, setError] = useState<Error | null>(null);
const [autoFixCandidate, setAutoFixCandidate] = useState<string | null>(null);
const errorLine = (() => {
if (!error?.message) {
return null;
}
return getMermaidErrorLineNumber(error.message, deferredText);
})();
const canvasRef = useRef<HTMLDivElement>(null);
const data = useRef<{
@@ -61,7 +95,7 @@ const MermaidToExcalidraw = ({
useEffect(() => {
const doRender = async () => {
try {
if (!deferredText) {
if (!deferredText.trim()) {
resetPreview({ canvasRef, setError });
return;
}
@@ -98,6 +132,88 @@ const MermaidToExcalidraw = ({
[],
);
useEffect(() => {
const errorMessage = error?.message ?? "";
const sourceText = deferredText;
const shouldTryAutoFix =
isActive &&
isMermaidAutoFixableError(errorMessage) &&
!!sourceText.trim() &&
mermaidToExcalidrawLib.loaded;
if (!shouldTryAutoFix) {
setAutoFixCandidate(null);
return;
}
const candidates = getMermaidAutoFixCandidates(sourceText, errorMessage);
if (!candidates.length) {
setAutoFixCandidate(null);
return;
}
let cancelled = false;
const timer = setTimeout(async () => {
try {
const api = await mermaidToExcalidrawLib.api;
const seen = new Set<string>([sourceText]);
const queue = candidates.map((candidate) => ({
text: candidate,
depth: 1,
}));
let triedCandidates = 0;
while (queue.length > 0 && triedCandidates < AUTO_FIX_MAX_CANDIDATES) {
const current = queue.shift();
if (!current || seen.has(current.text)) {
continue;
}
seen.add(current.text);
triedCandidates += 1;
try {
await api.parseMermaidToExcalidraw(current.text);
if (!cancelled) {
setAutoFixCandidate(current.text);
}
return;
} catch (candidateError) {
if (current.depth >= AUTO_FIX_MAX_DEPTH) {
continue;
}
const nextErrorMessage = getErrorMessage(candidateError);
if (!nextErrorMessage) {
continue;
}
const nextCandidates = getMermaidAutoFixCandidates(
current.text,
nextErrorMessage,
);
for (const nextCandidate of nextCandidates) {
if (!seen.has(nextCandidate)) {
queue.push({
text: nextCandidate,
depth: current.depth + 1,
});
}
}
}
}
} catch {
// ignore auto-fix probe errors
}
if (!cancelled) {
setAutoFixCandidate(null);
}
}, AUTO_FIX_DEBOUNCE_MS);
return () => {
cancelled = true;
clearTimeout(timer);
};
}, [deferredText, error?.message, isActive, mermaidToExcalidrawLib]);
const onInsertToEditor = () => {
insertToEditor({
app,
@@ -107,6 +223,13 @@ const MermaidToExcalidraw = ({
});
};
const onApplyAutoFix = () => {
if (!autoFixCandidate) {
return;
}
setText(autoFixCandidate);
};
return (
<>
<div className="ttd-dialog-desc">
@@ -130,7 +253,8 @@ const MermaidToExcalidraw = ({
<TTDDialogInput
input={text}
placeholder={t("mermaid.inputPlaceholder")}
onChange={(event) => setText(event.target.value)}
onChange={(value) => setText(value)}
errorLine={errorLine}
onKeyboardSubmit={() => {
onInsertToEditor();
}}
@@ -153,6 +277,9 @@ const MermaidToExcalidraw = ({
canvasRef={canvasRef}
loaded={mermaidToExcalidrawLib.loaded}
error={error}
sourceText={text}
autoFixAvailable={!!autoFixCandidate}
onApplyAutoFix={onApplyAutoFix}
/>
</TTDDialogPanel>
</TTDDialogPanels>
@@ -219,6 +219,49 @@ $fullScreenModalBreakpoint: 600px;
}
}
.ttd-dialog-input--loading {
display: flex;
align-items: center;
justify-content: center;
}
.ttd-dialog-input--codemirror {
padding: 0;
overflow: hidden;
// Override height:100% from .ttd-dialog-input — use flex sizing
// so the editor fills remaining space without overflowing the panel
height: 0;
flex: 1 1 0;
min-height: 0;
.cm-editor {
height: 100%;
font-family: monospace;
&.cm-focused {
outline: none;
}
}
.cm-scroller {
padding: 0.85rem 0;
overflow: auto;
}
.cm-gutters {
padding-left: 0.25rem;
}
.cm-content {
padding: 0;
}
.cm-placeholder {
color: var(--color-gray-40);
font-style: italic;
}
}
.ttd-dialog-output-wrapper {
display: flex;
flex-direction: column;
@@ -331,14 +374,55 @@ $fullScreenModalBreakpoint: 600px;
margin-top: 0.25rem;
}
.ttd-dialog-output-error-summary {
width: 100%;
max-width: 640px;
color: var(--color-gray-50);
font-size: 0.9rem;
text-align: left;
&__headline {
font-weight: 600;
color: var(--color-gray-60);
}
&__label {
margin-top: 0.35rem;
font-weight: 500;
}
&__causes {
margin: 0.35rem 0 0;
padding-left: 2rem;
}
}
.ttd-dialog-output-error-message {
text-align: left;
font-weight: 400;
color: var(--color-gray-50);
word-break: break-word;
white-space: pre-wrap;
max-width: 100%;
max-width: 640px;
width: 100%;
font-family: monospace;
&__caret {
color: var(--color-danger);
}
}
.ttd-dialog-output-error-autofix-slot {
align-self: flex-start;
margin-top: 0.35rem;
min-height: 2.5rem;
display: flex;
align-items: flex-start;
}
.ttd-dialog-output-error-autofix {
margin-top: 0;
white-space: nowrap;
}
}
@@ -1,28 +1,84 @@
import { useEffect, useRef } from "react";
import { useEffect, useRef, useState } from "react";
import { EVENT, KEYS } from "@excalidraw/common";
import type { ChangeEventHandler } from "react";
import Spinner from "../Spinner";
import { useUIAppState } from "../../context/ui-appState";
import type { ComponentType } from "react";
import type { CodeMirrorEditorProps } from "./CodeMirrorEditor";
interface TTDDialogInputProps {
input: string;
placeholder: string;
onChange: ChangeEventHandler<HTMLTextAreaElement>;
onChange: (value: string) => void;
onKeyboardSubmit?: () => void;
errorLine?: number | null;
}
type EditorState =
| { type: "loading" }
| { type: "ready"; component: ComponentType<CodeMirrorEditorProps> }
| { type: "fallback" };
const SPINNER_DELAY_MS = 300;
export const TTDDialogInput = ({
input,
placeholder,
onChange,
onKeyboardSubmit,
errorLine,
}: TTDDialogInputProps) => {
const ref = useRef<HTMLTextAreaElement>(null);
const callbackRef = useRef(onKeyboardSubmit);
callbackRef.current = onKeyboardSubmit;
const [editorState, setEditorState] = useState<EditorState>({
type: "loading",
});
const [showSpinner, setShowSpinner] = useState(false);
const { theme } = useUIAppState();
// Lazy-load CodeMirror editor
useEffect(() => {
let cancelled = false;
const spinnerTimer = setTimeout(() => {
if (!cancelled) {
setShowSpinner(true);
}
}, SPINNER_DELAY_MS);
import("./CodeMirrorEditor")
.then((mod) => {
if (!cancelled) {
setEditorState({ type: "ready", component: mod.default });
}
})
.catch(() => {
if (!cancelled) {
setEditorState({ type: "fallback" });
}
})
.finally(() => {
clearTimeout(spinnerTimer);
});
return () => {
cancelled = true;
clearTimeout(spinnerTimer);
};
}, []);
// Keyboard shortcut + focus for textarea fallback
useEffect(() => {
if (editorState.type !== "fallback") {
return;
}
if (!callbackRef.current) {
return;
}
@@ -40,15 +96,42 @@ export const TTDDialogInput = ({
textarea.removeEventListener(EVENT.KEYDOWN, handleKeyDown);
};
}
}, []);
}, [editorState.type]);
return (
<textarea
className="ttd-dialog-input"
onChange={onChange}
value={input}
placeholder={placeholder}
ref={ref}
/>
);
if (editorState.type === "ready") {
const CodeMirrorEditor = editorState.component;
return (
<CodeMirrorEditor
value={input}
onChange={onChange}
onKeyboardSubmit={onKeyboardSubmit}
placeholder={placeholder}
theme={theme}
errorLine={errorLine}
/>
);
}
if (editorState.type === "fallback") {
return (
<textarea
className="ttd-dialog-input"
onChange={(e) => onChange(e.target.value)}
value={input}
placeholder={placeholder}
ref={ref}
/>
);
}
// Loading state
if (showSpinner) {
return (
<div className="ttd-dialog-input ttd-dialog-input--loading">
<Spinner />
</div>
);
}
return null;
};
@@ -1,14 +1,24 @@
import clsx from "clsx";
import { Button } from "../Button";
import Spinner from "../Spinner";
import { t } from "../../i18n";
import { alertTriangleIcon } from "../icons";
import {
formatMermaidParseErrorMessage,
getMermaidSyntaxErrorGuidance,
isMermaidCaretLine,
} from "./utils/mermaidError";
interface TTDDialogOutputProps {
error: Error | null;
canvasRef: React.RefObject<HTMLDivElement | null>;
loaded: boolean;
hideErrorDetails?: boolean;
sourceText?: string;
autoFixAvailable?: boolean;
onApplyAutoFix?: () => void;
}
export const TTDDialogOutput = ({
@@ -16,7 +26,24 @@ export const TTDDialogOutput = ({
canvasRef,
loaded,
hideErrorDetails,
sourceText,
autoFixAvailable,
onApplyAutoFix,
}: TTDDialogOutputProps) => {
const errorMessage = error
? hideErrorDetails
? t("chat.errors.mermaidParseError")
: formatMermaidParseErrorMessage(error.message)
: null;
const syntaxGuidance =
error && !hideErrorDetails
? getMermaidSyntaxErrorGuidance(error.message, sourceText)
: null;
const showAutoFixButton =
!!autoFixAvailable && !!onApplyAutoFix && !hideErrorDetails;
const errorMessageLines = errorMessage?.split(/\r?\n/) ?? [];
return (
<div
className={`ttd-dialog-output-wrapper ${
@@ -33,14 +60,48 @@ export const TTDDialogOutput = ({
<div className="ttd-dialog-output-error-icon">
{alertTriangleIcon}
</div>
<div className="ttd-dialog-output-error-title">
{t("ttd.error")}
</div>
{syntaxGuidance && (
<div className="ttd-dialog-output-error-summary">
<div className="ttd-dialog-output-error-summary__headline">
{syntaxGuidance.summary}
</div>
<div className="ttd-dialog-output-error-summary__label">
Likely causes:
</div>
<ul className="ttd-dialog-output-error-summary__causes">
{syntaxGuidance.likelyCauses.map((cause) => (
<li key={cause}>{cause}</li>
))}
</ul>
</div>
)}
<div className="ttd-dialog-output-error-message">
{hideErrorDetails
? t("chat.errors.mermaidParseError")
: error.message}
{errorMessageLines.map((line, index) => (
<span
key={`error-line-${index}`}
className={
isMermaidCaretLine(line)
? "ttd-dialog-output-error-message__caret"
: undefined
}
>
{line}
{index < errorMessageLines.length - 1 ? "\n" : ""}
</span>
))}
</div>
{!hideErrorDetails && (
<div className="ttd-dialog-output-error-autofix-slot">
{showAutoFixButton ? (
<Button
className="ttd-dialog-panel-button ttd-dialog-output-error-autofix"
onSelect={onApplyAutoFix}
>
{t("mermaid.autoFixAvailable")}
</Button>
) : null}
</div>
)}
</div>
</div>
)}
@@ -0,0 +1,89 @@
import { describe, expect, it, vi } from "vitest";
import { convertMermaidToExcalidraw } from "./common";
type ConvertMermaidArgs = Parameters<typeof convertMermaidToExcalidraw>[0];
type ParseMermaidToExcalidraw = Awaited<
ConvertMermaidArgs["mermaidToExcalidrawLib"]["api"]
>["parseMermaidToExcalidraw"];
const createConvertArgs = (
mermaidDefinition: string,
parseMermaidToExcalidraw: ParseMermaidToExcalidraw,
): ConvertMermaidArgs => {
const parent = document.createElement("div");
const canvas = document.createElement("div");
parent.appendChild(canvas);
return {
canvasRef: { current: canvas },
mermaidToExcalidrawLib: {
loaded: true,
api: Promise.resolve({ parseMermaidToExcalidraw }),
},
mermaidDefinition,
setError: vi.fn(),
data: {
current: {
elements: [],
files: null,
},
},
theme: "light",
};
};
describe("convertMermaidToExcalidraw", () => {
it("returns the original parse error when quote-normalized fallback also fails", async () => {
const originalError = new Error("Parse error on line 9: ...");
const fallbackError = new Error("Parse error on line 6: ...");
const parseMermaidToExcalidraw = vi
.fn<ParseMermaidToExcalidraw>()
.mockRejectedValueOnce(originalError)
.mockRejectedValueOnce(fallbackError);
const mermaidDefinition =
'graph TD\nA["One"]\nB["Two"]x\nC["Three"]\nD["Four"]';
const result = await convertMermaidToExcalidraw(
createConvertArgs(mermaidDefinition, parseMermaidToExcalidraw),
);
expect(parseMermaidToExcalidraw).toHaveBeenCalledTimes(2);
expect(parseMermaidToExcalidraw).toHaveBeenNthCalledWith(
1,
mermaidDefinition,
);
expect(parseMermaidToExcalidraw).toHaveBeenNthCalledWith(
2,
mermaidDefinition.replace(/"/g, "'"),
);
expect(result.success).toBe(false);
if (!result.success) {
expect(result.error).toBe(originalError);
}
});
it("does not retry quote normalization when the input has no double quotes", async () => {
const originalError = new Error("Parse error on line 9: ...");
const parseMermaidToExcalidraw = vi
.fn<ParseMermaidToExcalidraw>()
.mockRejectedValueOnce(originalError);
const mermaidDefinition = "graph TD\nA[One]\nB[Two]x";
const result = await convertMermaidToExcalidraw(
createConvertArgs(mermaidDefinition, parseMermaidToExcalidraw),
);
expect(parseMermaidToExcalidraw).toHaveBeenCalledTimes(1);
expect(parseMermaidToExcalidraw).toHaveBeenCalledWith(mermaidDefinition);
expect(result.success).toBe(false);
if (!result.success) {
expect(result.error).toBe(originalError);
}
});
});
@@ -72,15 +72,23 @@ export const convertMermaidToExcalidraw = async ({
const api = await mermaidToExcalidrawLib.api;
try {
ret = await api.parseMermaidToExcalidraw(mermaidDefinition);
} catch (err: unknown) {
const originalParseError = err as Error;
if (!mermaidDefinition.includes('"')) {
return { success: false, error: originalParseError };
}
try {
ret = await api.parseMermaidToExcalidraw(mermaidDefinition);
} catch (err: unknown) {
ret = await api.parseMermaidToExcalidraw(
mermaidDefinition.replace(/"/g, "'"),
);
} catch {
// Keep the original error so line/column references stay aligned with
// the user's unmodified input.
return { success: false, error: originalParseError };
}
} catch (err: unknown) {
return { success: false, error: err as Error };
}
const { elements, files } = ret;
@@ -0,0 +1,82 @@
import { StreamLanguage } from "@codemirror/language";
const mermaidStreamParser = StreamLanguage.define({
token(stream) {
// Comments: %%...
if (stream.match(/^%%.*$/)) {
return "comment";
}
// Strings
if (stream.match(/^"(?:[^"\\]|\\.)*"/)) {
return "string";
}
// Diagram type keywords (at start of line or after whitespace)
if (
stream.match(
/^(flowchart|graph|sequenceDiagram|classDiagram|stateDiagram|erDiagram|gantt|pie|mindmap|journey|gitGraph|timeline|quadrantChart|sankey|xychart)\b/i,
)
) {
return "keyword";
}
// Direction keywords
if (stream.match(/^(TB|TD|BT|RL|LR)\b/)) {
return "keyword";
}
// Keywords
if (
stream.match(
/^(subgraph|end|participant|actor|loop|alt|else|opt|par|critical|break|rect|note|over|activate|deactivate|title|section|class|style|linkStyle|classDef|click)\b/i,
)
) {
return "keyword";
}
// Arrows: -->, ---, -.->, ===>, etc.
if (stream.match(/^[-.=<>|ox]+>/)) {
return "operator";
}
if (stream.match(/^<[-.=<>|ox]+/)) {
return "operator";
}
if (stream.match(/^--+|\.\.+|==+/)) {
return "operator";
}
// Labels in brackets/parens: [text], (text), {text}, ((text)), etc.
if (stream.match(/^[[\](){}|<>]/)) {
return "bracket";
}
// Node IDs (alphanumeric)
if (stream.match(/^[A-Za-z_][A-Za-z0-9_]*/)) {
return "variableName";
}
// Numbers
if (stream.match(/^\d+(\.\d+)?/)) {
return "number";
}
// Punctuation
if (stream.match(/^[,:;]/)) {
return "punctuation";
}
// Skip whitespace
if (stream.eatSpace()) {
return null;
}
// Skip any other character
stream.next();
return null;
},
});
export function mermaidLite() {
return mermaidStreamParser;
}
@@ -0,0 +1,116 @@
import { describe, expect, it } from "vitest";
import { getMermaidAutoFixCandidates } from "./mermaidAutoFix";
describe("getMermaidAutoFixCandidates", () => {
it("suggests removing trailing token after a closed label shape", () => {
const sourceText = `graph TD
L3_TCP["TCP (Transmission Control Protocol)"]x
L3_UDP["UDP (User Datagram Protocol)"]`;
const errorMessage = `Parse error on line 2:
...ission Control Protocol)"]x
-----------------------------^
Expecting 'SEMI', got 'NODE_STRING'`;
const candidates = getMermaidAutoFixCandidates(sourceText, errorMessage);
expect(candidates).toContain(`graph TD
L3_TCP["TCP (Transmission Control Protocol)"]
L3_UDP["UDP (User Datagram Protocol)"]`);
});
it("suggests appending missing end statements", () => {
const sourceText = `graph TD
subgraph A
A1[Start]`;
const errorMessage = `Parse error on line 3:
... A1[Start]
-------------^
Expecting 'end'`;
const candidates = getMermaidAutoFixCandidates(sourceText, errorMessage);
expect(candidates).toContain(`graph TD
subgraph A
A1[Start]
end`);
});
it("returns empty list for non-parse errors", () => {
expect(
getMermaidAutoFixCandidates("graph TD\nA-->B", "Network error"),
).toEqual([]);
});
it("extracts line index from lexical error format too", () => {
const sourceText = `graph TD
subgraph Layers["X"]x
direction TB`;
const errorMessage = `Lexical error on line 2. Unrecognized text.
... subgraph Layers["X"]x direction
-----------------------^`;
const candidates = getMermaidAutoFixCandidates(sourceText, errorMessage);
expect(candidates).toContain(`graph TD
subgraph Layers["X"]
direction TB`);
});
it("removes extra > after edge label", () => {
const sourceText = `flowchart TD
A["User Input"] -->|text|> B["Tokenization"]
A["User Input"] -->|text|> B["Tokenization"]`;
const errorMessage = `Parse error on line 2:
...A["User Input"] -->|text|> B["Tokenization"]
---------------------------^
Expecting 'NODE_STRING', got 'GT'`;
const candidates = getMermaidAutoFixCandidates(sourceText, errorMessage);
expect(candidates).toContain(`flowchart TD
A["User Input"] -->|text| B["Tokenization"]
A["User Input"] -->|text| B["Tokenization"]`);
});
it("suggests removing the last invalid deactivate for participant errors", () => {
const sourceText = `sequenceDiagram
participant QAEngineer as QA
activate QA
QA->>QA: Verifies Fix
deactivate QA
QA->>QA: Verifies Again
deactivate QA`;
const errorMessage = "Trying to inactivate an inactive participant (QA)";
const candidates = getMermaidAutoFixCandidates(sourceText, errorMessage);
expect(candidates).toContain(`sequenceDiagram
participant QAEngineer as QA
activate QA
QA->>QA: Verifies Fix
deactivate QA
QA->>QA: Verifies Again`);
});
it("adds a fallback candidate that removes all invalid deactivations", () => {
const sourceText = `sequenceDiagram
participant QAEngineer as QA
deactivate QA
QA->>QA: Verifies Fix
deactivate QA`;
const errorMessage = "Trying to inactivate an inactive participant (QA)";
const candidates = getMermaidAutoFixCandidates(sourceText, errorMessage);
expect(candidates).toContain(`sequenceDiagram
participant QAEngineer as QA
QA->>QA: Verifies Fix`);
});
});
@@ -0,0 +1,175 @@
import {
getMermaidErrorLineNumber,
getMermaidInactiveParticipant,
isMermaidAutoFixableError,
isMermaidParseSyntaxError,
} from "./mermaidError";
const getErrorLineIndex = (message: string, sourceText: string) => {
const lineNumber = getMermaidErrorLineNumber(message, sourceText);
if (lineNumber == null) {
return null;
}
return lineNumber - 1;
};
const replaceLineAt = (
lines: string[],
index: number,
transform: (line: string) => string,
) => {
if (index < 0 || index >= lines.length) {
return null;
}
const nextLine = transform(lines[index]);
if (nextLine === lines[index]) {
return null;
}
const nextLines = [...lines];
nextLines[index] = nextLine;
return nextLines.join("\n");
};
const stripTrailingTokenAfterShape = (line: string) => {
const alphaTailMatch = line.match(
/^(.*(?:\[[^\]]*]|\([^)]*\)|\{[^}]*}|"(?:[^"]*)"|'(?:[^']*)'))([A-Za-z]+)\s*$/,
);
if (alphaTailMatch) {
return alphaTailMatch[1];
}
const punctuationTailMatch = line.match(
/^(.*(?:\[[^\]]*]|\([^)]*\)|\{[^}]*}|"(?:[^"]*)"|'(?:[^']*)'))([,;:])\s*$/,
);
if (punctuationTailMatch) {
return punctuationTailMatch[1];
}
return line;
};
const removeExtraArrowheadAfterEdgeLabel = (line: string) => {
// Common typo in generated Mermaid: `-->|label|> Target` (extra `>`).
// Convert it to `-->|label| Target`.
return line.replace(/(\|[^|\n]+\|)\s*>\s*(?=[A-Za-z0-9_("[{'`])/g, "$1 ");
};
const escapeRegExp = (value: string) =>
value.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
const removeLastDeactivateForParticipant = (
sourceText: string,
participant: string,
) => {
const pattern = new RegExp(
`^\\s*deactivate\\s+${escapeRegExp(participant)}(?:\\s+%%.*)?\\s*$`,
);
const lines = sourceText.split(/\r?\n/);
for (let index = lines.length - 1; index >= 0; index--) {
if (pattern.test(lines[index])) {
return lines.filter((_, lineIndex) => lineIndex !== index).join("\n");
}
}
return null;
};
const removeAllDeactivateForParticipant = (
sourceText: string,
participant: string,
) => {
const pattern = new RegExp(
`^\\s*deactivate\\s+${escapeRegExp(participant)}(?:\\s+%%.*)?\\s*$`,
);
const lines = sourceText.split(/\r?\n/);
let removedAny = false;
const remainingLines = lines.filter((line) => {
if (!pattern.test(line)) {
return true;
}
removedAny = true;
return false;
});
return removedAny ? remainingLines.join("\n") : null;
};
const appendMissingEnds = (sourceText: string) => {
const subgraphCount = (sourceText.match(/^\s*subgraph\b/gm) || []).length;
const endCount = (sourceText.match(/^\s*end\s*$/gm) || []).length;
const missingCount = subgraphCount - endCount;
if (missingCount <= 0) {
return null;
}
const endings = Array.from({ length: missingCount }, () => "end").join("\n");
return `${sourceText.trimEnd()}\n${endings}`;
};
const normalizeSmartQuotes = (sourceText: string) =>
sourceText.replace(/[“”]/g, '"').replace(/[‘’]/g, "'");
export const getMermaidAutoFixCandidates = (
sourceText: string,
errorMessage: string,
) => {
if (!isMermaidAutoFixableError(errorMessage) || !sourceText.trim()) {
return [];
}
const candidates: string[] = [];
const seen = new Set<string>();
const addCandidate = (candidate: string | null) => {
if (!candidate || candidate === sourceText || seen.has(candidate)) {
return;
}
seen.add(candidate);
candidates.push(candidate);
};
const inactiveParticipant = getMermaidInactiveParticipant(errorMessage);
if (inactiveParticipant) {
addCandidate(
removeLastDeactivateForParticipant(sourceText, inactiveParticipant),
);
// Fallback for repeated invalid inactivations in one diagram.
addCandidate(
removeAllDeactivateForParticipant(sourceText, inactiveParticipant),
);
}
if (isMermaidParseSyntaxError(errorMessage)) {
const lines = sourceText.split(/\r?\n/);
const errorLineIndex = getErrorLineIndex(errorMessage, sourceText);
const lineIndexesToTry =
errorLineIndex == null
? []
: [errorLineIndex, errorLineIndex - 1, errorLineIndex + 1];
for (const lineIndex of lineIndexesToTry) {
addCandidate(
replaceLineAt(lines, lineIndex, (line) =>
stripTrailingTokenAfterShape(line),
),
);
addCandidate(
replaceLineAt(lines, lineIndex, (line) =>
removeExtraArrowheadAfterEdgeLabel(line),
),
);
}
// Also try full-text replacement so repeated occurrences on other lines
// are fixed together in a single candidate.
addCandidate(removeExtraArrowheadAfterEdgeLabel(sourceText));
addCandidate(appendMissingEnds(sourceText));
const normalizedQuotes = normalizeSmartQuotes(sourceText);
addCandidate(normalizedQuotes === sourceText ? null : normalizedQuotes);
}
return candidates;
};
@@ -0,0 +1,155 @@
import { describe, expect, it } from "vitest";
import {
formatMermaidParseErrorMessage,
getMermaidErrorLineNumber,
getMermaidInactiveParticipant,
getMermaidSyntaxErrorGuidance,
isMermaidAutoFixableError,
isMermaidParseSyntaxError,
isMermaidCaretLine,
} from "./mermaidError";
describe("formatMermaidParseErrorMessage", () => {
it("strips the noisy Expecting clause from Mermaid parse errors", () => {
const message = `Parse error on line 6:
... Control Protocol)"]x L3_UDP
----------------------^
Expecting 'SEMI', 'NEWLINE', 'SPACE', got 'NODE_STRING'`;
expect(formatMermaidParseErrorMessage(message)).toBe(`Parse error on line 6:
... Control Protocol)"]x L3_UDP
----------------------^`);
});
it("keeps Mermaid parse errors unchanged when no Expecting clause exists", () => {
const message = `Parse error on line 3:
... some snippet
----^`;
expect(formatMermaidParseErrorMessage(message)).toBe(message);
});
it("does not modify non-Mermaid parse messages", () => {
const message =
"Unexpected token while parsing JSON. Expecting value at position 10.";
expect(formatMermaidParseErrorMessage(message)).toBe(message);
});
});
describe("isMermaidCaretLine", () => {
it("returns true for Mermaid caret lines", () => {
expect(isMermaidCaretLine("-----------------------^")).toBe(true);
});
it("returns false for regular lines", () => {
expect(isMermaidCaretLine(`... Control Protocol)"]x`)).toBe(false);
});
});
describe("isMermaidParseSyntaxError", () => {
it("returns true for Mermaid parser syntax errors", () => {
expect(isMermaidParseSyntaxError("Parse error on line 6: ...")).toBe(true);
});
it("returns true for Mermaid lexical syntax errors", () => {
expect(
isMermaidParseSyntaxError("Lexical error on line 2. Unrecognized text."),
).toBe(true);
});
it("returns false for non-parse errors", () => {
expect(isMermaidParseSyntaxError("Network error")).toBe(false);
});
});
describe("isMermaidAutoFixableError", () => {
it("returns true for Mermaid parser syntax errors", () => {
expect(isMermaidAutoFixableError("Parse error on line 6: ...")).toBe(true);
});
it("returns true for inactive participant runtime errors", () => {
expect(
isMermaidAutoFixableError(
"Trying to inactivate an inactive participant (QA)",
),
).toBe(true);
});
it("returns false for non-fixable errors", () => {
expect(isMermaidAutoFixableError("Network error")).toBe(false);
});
});
describe("getMermaidInactiveParticipant", () => {
it("extracts the participant id from inactive participant errors", () => {
expect(
getMermaidInactiveParticipant(
"Trying to inactivate an inactive participant (QA)",
),
).toBe("QA");
});
it("returns null for unrelated errors", () => {
expect(
getMermaidInactiveParticipant("Parse error on line 3: ..."),
).toBeNull();
});
});
describe("getMermaidErrorLineNumber", () => {
it("extracts line number from parse error format", () => {
expect(getMermaidErrorLineNumber("Parse error on line 6: ...")).toBe(6);
});
it("extracts line number from lexical error format", () => {
expect(
getMermaidErrorLineNumber("Lexical error on line 2. Unrecognized text."),
).toBe(2);
});
it("returns null for messages without Mermaid line details", () => {
expect(getMermaidErrorLineNumber("Network error")).toBeNull();
});
it("infers line from inactive participant errors when source text is provided", () => {
const sourceText = `sequenceDiagram
participant QA
deactivate QA
QA->>QA: Verifies Fix
deactivate QA`;
expect(
getMermaidErrorLineNumber(
"Trying to inactivate an inactive participant (QA)",
sourceText,
),
).toBe(5);
});
});
describe("getMermaidSyntaxErrorGuidance", () => {
it("returns summary and likely causes for Mermaid parse errors", () => {
const message = `Parse error on line 6:
... Control Protocol)"]x
----------------------^`;
const source = `graph TD
subgraph Layers["X"]
L3_TCP["TCP (Transmission Control Protocol)"]x`;
expect(getMermaidSyntaxErrorGuidance(message, source)).toEqual({
summary: "Syntax error near line 6.",
likelyCauses: expect.arrayContaining([
"A block is missing an `end` statement.",
]),
});
});
it("returns null for non-parse errors", () => {
expect(
getMermaidSyntaxErrorGuidance("Network error", "graph TD"),
).toBeNull();
});
});
@@ -0,0 +1,133 @@
const MERMAID_SYNTAX_ERROR_LINE = /(?:Parse|Lexical) error on line (\d+)[.:]/i;
const MERMAID_INACTIVE_PARTICIPANT_ERROR =
/Trying to inactivate an inactive participant \((.+)\)/i;
const MERMAID_CARET_LINE = /^\s*-+\^\s*$/;
export const isMermaidParseSyntaxError = (message: string) =>
MERMAID_SYNTAX_ERROR_LINE.test(message);
export const isMermaidAutoFixableError = (message: string) =>
isMermaidParseSyntaxError(message) ||
MERMAID_INACTIVE_PARTICIPANT_ERROR.test(message);
export const isMermaidCaretLine = (line: string) =>
MERMAID_CARET_LINE.test(line);
export const getMermaidInactiveParticipant = (
message: string,
): string | null => {
const match = message.match(MERMAID_INACTIVE_PARTICIPANT_ERROR);
if (!match?.[1]) {
return null;
}
return match[1].trim();
};
const escapeRegExp = (value: string) =>
value.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
const getInactiveParticipantLineNumber = (
message: string,
sourceText: string,
): number | null => {
const participant = getMermaidInactiveParticipant(message);
if (!participant) {
return null;
}
const deactivatePattern = new RegExp(
`^\\s*deactivate\\s+${escapeRegExp(participant)}(?:\\s+%%.*)?\\s*$`,
);
const lines = sourceText.split(/\r?\n/);
for (let index = lines.length - 1; index >= 0; index--) {
if (deactivatePattern.test(lines[index])) {
return index + 1;
}
}
return null;
};
export const getMermaidErrorLineNumber = (
message: string,
sourceText?: string,
): number | null => {
const match = message.match(MERMAID_SYNTAX_ERROR_LINE);
if (!match) {
if (!sourceText) {
return null;
}
return getInactiveParticipantLineNumber(message, sourceText);
}
return Number.parseInt(match[1], 10);
};
const countMatches = (text: string, re: RegExp) =>
(text.match(re) || []).length;
export const getMermaidSyntaxErrorGuidance = (
message: string,
sourceText?: string,
): { summary: string; likelyCauses: string[] } | null => {
if (!isMermaidParseSyntaxError(message)) {
return null;
}
const errorLine = getMermaidErrorLineNumber(message, sourceText);
const summary = errorLine
? `Syntax error near line ${errorLine}.`
: "Syntax error in Mermaid diagram.";
const likelyCauses: string[] = [];
if (sourceText) {
const openBrackets = countMatches(sourceText, /\[/g);
const closeBrackets = countMatches(sourceText, /\]/g);
if (openBrackets !== closeBrackets) {
likelyCauses.push("Unbalanced square brackets in a node label.");
}
const openParens = countMatches(sourceText, /\(/g);
const closeParens = countMatches(sourceText, /\)/g);
if (openParens !== closeParens) {
likelyCauses.push("Unbalanced parentheses in a node shape.");
}
const openBraces = countMatches(sourceText, /\{/g);
const closeBraces = countMatches(sourceText, /\}/g);
if (openBraces !== closeBraces) {
likelyCauses.push("Unbalanced braces in a decision node.");
}
const subgraphCount = countMatches(sourceText, /^\s*subgraph\b/gm);
const endCount = countMatches(sourceText, /^\s*end\s*$/gm);
if (subgraphCount > endCount) {
likelyCauses.push("A block is missing an `end` statement.");
}
}
if (/got 'NODE_STRING'/.test(message) || /got 'PS'/.test(message)) {
likelyCauses.push(
"An extra character/token may appear after a node or label definition.",
);
}
if (likelyCauses.length === 0) {
likelyCauses.push(
"A node or edge line is malformed (missing/extra delimiters).",
);
likelyCauses.push("A block (`subgraph`, `class`, etc.) may be incomplete.");
}
return {
summary,
likelyCauses: [...new Set(likelyCauses)],
};
};
export const formatMermaidParseErrorMessage = (message: string) => {
if (!isMermaidParseSyntaxError(message)) {
return message;
}
return message.replace(/\n\s*Expecting[\s\S]*$/, "").trimEnd();
};
+2 -1
View File
@@ -624,7 +624,8 @@
"syntax": "Mermaid Syntax",
"preview": "Preview",
"label": "Mermaid",
"inputPlaceholder": "Write Mermaid diagram defintion here..."
"inputPlaceholder": "Write Mermaid diagram defintion here...",
"autoFixAvailable": "Auto-fix is available"
},
"ttd": {
"error": "Error!"
+6 -1
View File
@@ -79,11 +79,16 @@
},
"dependencies": {
"@braintree/sanitize-url": "6.0.2",
"@codemirror/commands": "^6.0.0",
"@codemirror/language": "^6.0.0",
"@codemirror/state": "^6.0.0",
"@codemirror/view": "^6.0.0",
"@lezer/highlight": "^1.0.0",
"@excalidraw/common": "0.18.0",
"@excalidraw/element": "0.18.0",
"@excalidraw/laser-pointer": "1.3.1",
"@excalidraw/math": "0.18.0",
"@excalidraw/mermaid-to-excalidraw": "2.0.0-rfc3",
"@excalidraw/mermaid-to-excalidraw": "2.0.0-rc4",
"@excalidraw/random-username": "1.1.0",
"radix-ui": "1.4.3",
"browser-fs-access": "0.29.1",
@@ -1,5 +1,4 @@
import React from "react";
import { expect } from "vitest";
import { expect, vi } from "vitest";
import { Excalidraw } from "../index";
@@ -7,6 +6,13 @@ import { mockMermaidToExcalidraw } from "./helpers/mocks";
import { getTextEditor, updateTextEditor } from "./queries/dom";
import { render, waitFor } from "./test-utils";
// Mock CodeMirror deps so the dynamic import of CodeMirrorEditor fails,
// causing TTDDialogInput to fall back to <textarea> in tests.
vi.mock("@codemirror/view", () => ({}));
vi.mock("@codemirror/state", () => ({}));
vi.mock("@codemirror/language", () => ({}));
vi.mock("@lezer/highlight", () => ({}));
mockMermaidToExcalidraw({
mockRef: true,
parseMermaidToExcalidraw: async (definition) => {
@@ -1,13 +1,6 @@
// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
exports[`Test <MermaidToExcalidraw/> > should open mermaid popup when active tool is mermaid 1`] = `
"<div class="Modal Dialog ttd-dialog" role="dialog" aria-modal="true" aria-labelledby="dialog-title"><div class="Modal__background"></div><div class="Modal__content" style="--max-width: 1520px;" tabindex="0"><div class="Island"><div class="Dialog__content"><div dir="ltr" data-orientation="horizontal" class="ttd-dialog-tabs-root"><p class="dialog-mermaid-title">Mermaid to Excalidraw</p><div data-state="active" data-orientation="horizontal" role="tabpanel" aria-labelledby="radix-:r4:-trigger-mermaid" id="radix-:r4:-content-mermaid" tabindex="0" class="ttd-dialog-content" style=""><div class="ttd-dialog-desc">Currently only <a href="https://mermaid.js.org/syntax/flowchart.html">Flowchart</a>,<a href="https://mermaid.js.org/syntax/sequenceDiagram.html"> Sequence, </a> and <a href="https://mermaid.js.org/syntax/classDiagram.html">Class </a>Diagrams are supported. The other types will be rendered as image in Excalidraw.</div><div class="ttd-dialog-panels"><div class="ttd-dialog-panel"><textarea class="ttd-dialog-input" placeholder="Write Mermaid diagram defintion here...">flowchart TD
A[Christmas] --&gt;|Get money| B(Go shopping)
B --&gt; C{Let me think}
C --&gt;|One| D[Laptop]
C --&gt;|Two| E[iPhone]
C --&gt;|Three| F[Car]</textarea><div class="ttd-dialog-panel-button-container invisible" style="justify-content: flex-start;"></div></div><div class="ttd-dialog-panel"><div class="ttd-dialog-output-wrapper "><div class="ttd-dialog-output-canvas-container"><div class="ttd-dialog-output-canvas-content"><canvas width="89" height="158" dir="ltr"></canvas></div></div></div><div class="ttd-dialog-panel-button-container" style="justify-content: flex-start;"><button type="button" class="excalidraw-button ttd-dialog-panel-button"><div class="">Insert<span><svg aria-hidden="true" focusable="false" role="img" viewBox="0 0 20 20" class="" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"><g stroke-width="1.25"><path d="M4.16602 10H15.8327"></path><path d="M12.5 13.3333L15.8333 10"></path><path d="M12.5 6.66666L15.8333 9.99999"></path></g></svg></span></div></button><div class="ttd-dialog-submit-shortcut"><div class="ttd-dialog-submit-shortcut__key">Ctrl</div><div class="ttd-dialog-submit-shortcut__key">Enter</div></div></div></div></div></div></div></div></div></div></div>"
`;
exports[`Test <MermaidToExcalidraw/> > should open mermaid popup when active tool is mermaid 1`] = `"<div class="Modal Dialog ttd-dialog" role="dialog" aria-modal="true" aria-labelledby="dialog-title"><div class="Modal__background"></div><div class="Modal__content" style="--max-width: 1520px;" tabindex="0"><div class="Island"><div class="Dialog__content"><div dir="ltr" data-orientation="horizontal" class="ttd-dialog-tabs-root"><p class="dialog-mermaid-title">Mermaid to Excalidraw</p><div data-state="active" data-orientation="horizontal" role="tabpanel" aria-labelledby="radix-:r4:-trigger-mermaid" id="radix-:r4:-content-mermaid" tabindex="0" class="ttd-dialog-content" style=""><div class="ttd-dialog-desc">Currently only <a href="https://mermaid.js.org/syntax/flowchart.html">Flowchart</a>,<a href="https://mermaid.js.org/syntax/sequenceDiagram.html"> Sequence, </a> and <a href="https://mermaid.js.org/syntax/classDiagram.html">Class </a>Diagrams are supported. The other types will be rendered as image in Excalidraw.</div><div class="ttd-dialog-panels"><div class="ttd-dialog-panel"><div class="ttd-dialog-panel-button-container invisible" style="justify-content: flex-start;"></div></div><div class="ttd-dialog-panel"><div class="ttd-dialog-output-wrapper "><div class="ttd-dialog-output-canvas-container"><div class="ttd-dialog-output-canvas-content"><canvas width="89" height="158" dir="ltr"></canvas></div></div></div><div class="ttd-dialog-panel-button-container" style="justify-content: flex-start;"><button type="button" class="excalidraw-button ttd-dialog-panel-button"><div class="">Insert<span><svg aria-hidden="true" focusable="false" role="img" viewBox="0 0 20 20" class="" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"><g stroke-width="1.25"><path d="M4.16602 10H15.8327"></path><path d="M12.5 13.3333L15.8333 10"></path><path d="M12.5 6.66666L15.8333 9.99999"></path></g></svg></span></div></button><div class="ttd-dialog-submit-shortcut"><div class="ttd-dialog-submit-shortcut__key">Ctrl</div><div class="ttd-dialog-submit-shortcut__key">Enter</div></div></div></div></div></div></div></div></div></div></div>"`;
exports[`Test <MermaidToExcalidraw/> > should show error in preview when mermaid library throws error 1`] = `
"flowchart TD
+82 -4
View File
@@ -1095,6 +1095,45 @@
resolved "https://registry.yarnpkg.com/@chevrotain/utils/-/utils-11.0.3.tgz#e39999307b102cff3645ec4f5b3665f5297a2224"
integrity sha512-YslZMgtJUyuMbZ+aKvfF3x1f5liK4mWNxghFRv7jqRR9C3R3fAOGTTKvxXDa2Y1s9zSbcpuO0cAxDYsc9SrXoQ==
"@codemirror/commands@^6.0.0":
version "6.10.2"
resolved "https://registry.yarnpkg.com/@codemirror/commands/-/commands-6.10.2.tgz#338bf53ab146de7bb26da4a1d32c6a6ff4d36b39"
integrity sha512-vvX1fsih9HledO1c9zdotZYUZnE4xV0m6i3m25s5DIfXofuprk6cRcLUZvSk3CASUbwjQX21tOGbkY2BH8TpnQ==
dependencies:
"@codemirror/language" "^6.0.0"
"@codemirror/state" "^6.4.0"
"@codemirror/view" "^6.27.0"
"@lezer/common" "^1.1.0"
"@codemirror/language@^6.0.0":
version "6.12.2"
resolved "https://registry.yarnpkg.com/@codemirror/language/-/language-6.12.2.tgz#7db5a46757411cf251e8f450474c05710c27d42c"
integrity sha512-jEPmz2nGGDxhRTg3lTpzmIyGKxz3Gp3SJES4b0nAuE5SWQoKdT5GoQ69cwMmFd+wvFUhYirtDTr0/DRHpQAyWg==
dependencies:
"@codemirror/state" "^6.0.0"
"@codemirror/view" "^6.23.0"
"@lezer/common" "^1.5.0"
"@lezer/highlight" "^1.0.0"
"@lezer/lr" "^1.0.0"
style-mod "^4.0.0"
"@codemirror/state@^6.0.0", "@codemirror/state@^6.4.0", "@codemirror/state@^6.5.0":
version "6.5.4"
resolved "https://registry.yarnpkg.com/@codemirror/state/-/state-6.5.4.tgz#f5be4b8c0d2310180d5f15a9f641c21ca69faf19"
integrity sha512-8y7xqG/hpB53l25CIoit9/ngxdfoG+fx+V3SHBrinnhOtLvKHRyAJJuHzkWrR4YXXLX8eXBsejgAAxHUOdW1yw==
dependencies:
"@marijn/find-cluster-break" "^1.0.0"
"@codemirror/view@^6.0.0", "@codemirror/view@^6.23.0", "@codemirror/view@^6.27.0":
version "6.39.16"
resolved "https://registry.yarnpkg.com/@codemirror/view/-/view-6.39.16.tgz#e9d876aba20b31df7858abd7c2a845319c70b302"
integrity sha512-m6S22fFpKtOWhq8HuhzsI1WzUP/hB9THbDj0Tl5KX4gbO6Y91hwBl7Yky33NdvB6IffuRFiBxf1R8kJMyXmA4Q==
dependencies:
"@codemirror/state" "^6.5.0"
crelt "^1.0.6"
style-mod "^4.1.0"
w3c-keyname "^2.2.4"
"@esbuild/aix-ppc64@0.19.10":
version "0.19.10"
resolved "https://registry.yarnpkg.com/@esbuild/aix-ppc64/-/aix-ppc64-0.19.10.tgz#fb3922a0183d27446de00cf60d4f7baaadf98d84"
@@ -1492,10 +1531,10 @@
resolved "https://registry.yarnpkg.com/@excalidraw/markdown-to-text/-/markdown-to-text-0.1.2.tgz#1703705e7da608cf478f17bfe96fb295f55a23eb"
integrity sha512-1nDXBNAojfi3oSFwJswKREkFm5wrSjqay81QlyRv2pkITG/XYB5v+oChENVBQLcxQwX4IUATWvXM5BcaNhPiIg==
"@excalidraw/mermaid-to-excalidraw@2.0.0-rfc3":
version "2.0.0-rfc3"
resolved "https://registry.yarnpkg.com/@excalidraw/mermaid-to-excalidraw/-/mermaid-to-excalidraw-2.0.0-rfc3.tgz#2aed27280b135086d3d23878e66751819f47c3d4"
integrity sha512-OlKySL2aZwxgvO0wKpjq5fNNWWYwYGQAVMqwG3CJZ/zEf9NotTtX+Rl/WgL6qWvNgDq8/mavOnEstC+42gqnIQ==
"@excalidraw/mermaid-to-excalidraw@2.0.0-rc4":
version "2.0.0-rc4"
resolved "https://registry.yarnpkg.com/@excalidraw/mermaid-to-excalidraw/-/mermaid-to-excalidraw-2.0.0-rc4.tgz#9d38568de8e403fefb6a162efa71e024ea1f7e03"
integrity sha512-92efu7VTYF6appGKgbDJAZEM/YXICpYPYOfl+j1E9SVilIFCJEAg7xH2lt/c44WFtffG+rWKrYwf9KUrPYy1Qw==
dependencies:
"@excalidraw/markdown-to-text" "0.1.2"
"@mermaid-js/parser" "^0.6.3"
@@ -2045,6 +2084,30 @@
"@jridgewell/resolve-uri" "^3.1.0"
"@jridgewell/sourcemap-codec" "^1.4.14"
"@lezer/common@^1.0.0", "@lezer/common@^1.1.0", "@lezer/common@^1.3.0", "@lezer/common@^1.5.0":
version "1.5.1"
resolved "https://registry.yarnpkg.com/@lezer/common/-/common-1.5.1.tgz#6e8c114ff5d36a41148e146a253734d3bb8807d3"
integrity sha512-6YRVG9vBkaY7p1IVxL4s44n5nUnaNnGM2/AckNgYOnxTG2kWh1vR8BMxPseWPjRNpb5VtXnMpeYAEAADoRV1Iw==
"@lezer/highlight@^1.0.0":
version "1.2.3"
resolved "https://registry.yarnpkg.com/@lezer/highlight/-/highlight-1.2.3.tgz#a20f324b71148a2ea9ba6ff42e58bbfaec702857"
integrity sha512-qXdH7UqTvGfdVBINrgKhDsVTJTxactNNxLk7+UMwZhU13lMHaOBlJe9Vqp907ya56Y3+ed2tlqzys7jDkTmW0g==
dependencies:
"@lezer/common" "^1.3.0"
"@lezer/lr@^1.0.0":
version "1.4.8"
resolved "https://registry.yarnpkg.com/@lezer/lr/-/lr-1.4.8.tgz#333de9bc9346057323ff09beb4cda47ccc38a498"
integrity sha512-bPWa0Pgx69ylNlMlPvBPryqeLYQjyJjqPx+Aupm5zydLIF3NE+6MMLT8Yi23Bd9cif9VS00aUebn+6fDIGBcDA==
dependencies:
"@lezer/common" "^1.0.0"
"@marijn/find-cluster-break@^1.0.0":
version "1.0.2"
resolved "https://registry.yarnpkg.com/@marijn/find-cluster-break/-/find-cluster-break-1.0.2.tgz#775374306116d51c0c500b8c4face0f9a04752d8"
integrity sha512-l0h88YhZFyKdXIFNfSWpyjStDjGHwZ/U7iobcK1cQQD8sejsONdQtTVU+1wVN1PBw40PiiHB1vA5S7VTfQiP9g==
"@mermaid-js/parser@^0.6.3":
version "0.6.3"
resolved "https://registry.yarnpkg.com/@mermaid-js/parser/-/parser-0.6.3.tgz#3ce92dad2c5d696d29e11e21109c66a7886c824e"
@@ -4968,6 +5031,11 @@ crc-32@^0.3.0:
resolved "https://registry.yarnpkg.com/crc-32/-/crc-32-0.3.0.tgz#6a3d3687f5baec41f7e9b99fe1953a2e5d19775e"
integrity sha512-kucVIjOmMc1f0tv53BJ/5WIX+MGLcKuoBhnGqQrgKJNqLByb/sVMWfW/Aw6hw0jgcqjJ2pi9E5y32zOIpaUlsA==
crelt@^1.0.6:
version "1.0.6"
resolved "https://registry.yarnpkg.com/crelt/-/crelt-1.0.6.tgz#7cc898ea74e190fb6ef9dae57f8f81cf7302df72"
integrity sha512-VQ2MBenTq1fWZUH9DJNGti7kKv6EeAuYr3cLwxUWhIu1baTaXh4Ib5W2CqHVqib4/MqbYGJqiL3Zb8GJZr3l4g==
cross-env@7.0.3:
version "7.0.3"
resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-7.0.3.tgz#865264b29677dc015ba8418918965dd232fc54cf"
@@ -9520,6 +9588,11 @@ strip-json-comments@^3.1.0, strip-json-comments@^3.1.1:
resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-3.1.1.tgz#31f1281b3832630434831c310c01cccda8cbe006"
integrity sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==
style-mod@^4.0.0, style-mod@^4.1.0:
version "4.1.3"
resolved "https://registry.yarnpkg.com/style-mod/-/style-mod-4.1.3.tgz#6e9012255bb799bdac37e288f7671b5d71bf9f73"
integrity sha512-i/n8VsZydrugj3Iuzll8+x/00GH2vnYsk1eomD8QiRrSAeW6ItbCQDtfXCeJHd0iwiNagqjQkvpvREEPtW3IoQ==
styled-jsx@5.1.1:
version "5.1.1"
resolved "https://registry.yarnpkg.com/styled-jsx/-/styled-jsx-5.1.1.tgz#839a1c3aaacc4e735fed0781b8619ea5d0009d1f"
@@ -10269,6 +10342,11 @@ vscode-uri@~3.0.8:
resolved "https://registry.yarnpkg.com/vscode-uri/-/vscode-uri-3.0.8.tgz#1770938d3e72588659a172d0fd4642780083ff9f"
integrity sha512-AyFQ0EVmsOZOlAnxoFOGOq1SQDWAB7C6aqMGS23svWAllfOaxbuFvcT8D1i8z3Gyn8fraVeZNNmN6e9bxxXkKw==
w3c-keyname@^2.2.4:
version "2.2.8"
resolved "https://registry.yarnpkg.com/w3c-keyname/-/w3c-keyname-2.2.8.tgz#7b17c8c6883d4e8b86ac8aba79d39e880f8869c5"
integrity sha512-dpojBhNsCNN7T82Tm7k26A6G9ML3NkhDsnw9n/eoxSRlVBB4CEtIQ/KTCLI2Fwf3ataSXRhYFkQi3SlnFwPvPQ==
w3c-xmlserializer@^4.0.0:
version "4.0.0"
resolved "https://registry.yarnpkg.com/w3c-xmlserializer/-/w3c-xmlserializer-4.0.0.tgz#aebdc84920d806222936e3cdce408e32488a3073"