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fix: print PDF from actual editor theme CSS and shared Markdown rendering

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admin
2026-09-07 14:33:19 +08:00
parent 9f097ea629
commit d1cbc10fc4
20 changed files with 530 additions and 43 deletions
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frontend/src/services/mermaidService.ts
+6 -6
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@@ -29,13 +29,13 @@ export function mermaidThemeVariables(dark: boolean, useDocument = true) {
}
}
async function ensureInitialized(theme: 'light' | 'dark', raster = false, palette?: Record<string,string>, unlimited = false) {
async function ensureInitialized(theme: 'light' | 'dark', raster = false, palette?: Record<string,string>, unlimited = false, frozenVariables?: ReturnType<typeof mermaidThemeVariables>) {
const mermaid = await loadMermaid()
const dark = palette ? [1,3,5].reduce((sum,index,i) => sum + parseInt(palette.surface!.slice(index,index+2),16) * [0.2126,0.7152,0.0722][i]!,0) < 128 : theme === 'dark'
mermaid.initialize({
startOnLoad: false,
theme: 'base',
themeVariables: palette ? {
themeVariables: frozenVariables ?? (palette ? {
...mermaidThemeVariables(dark, false), background: palette.surface,
primaryColor: palette.code, primaryTextColor: palette.text, primaryBorderColor: palette.border,
secondaryColor: palette.code, secondaryTextColor: palette.text, secondaryBorderColor: palette.border,
@@ -46,7 +46,7 @@ async function ensureInitialized(theme: 'light' | 'dark', raster = false, palett
signalColor: palette.muted, signalTextColor: palette.text, labelBoxBkgColor: palette.surface,
labelBoxBorderColor: palette.border, labelTextColor: palette.text, noteBkgColor: palette.code,
noteTextColor: palette.text, noteBorderColor: palette.border, activationBkgColor: palette.code, activationBorderColor: palette.border,
} : mermaidThemeVariables(theme === 'dark', !raster),
} : mermaidThemeVariables(theme === 'dark', !raster)),
...(unlimited ? { maxTextSize: Number.MAX_SAFE_INTEGER, maxEdges: Number.MAX_SAFE_INTEGER } : {}),
securityLevel: 'strict',
fontFamily: raster ? 'Arial, Microsoft YaHei, sans-serif' : 'var(--font-ui-sans)',
@@ -78,18 +78,18 @@ export interface MermaidParseError {
let renderCounter = 0
export function renderMermaid(source: string, options: { theme?: 'light' | 'dark'; mode?: 'interactive' | 'static' | 'raster'; palette?: Record<string,string>; unlimited?: boolean } = {}): Promise<MermaidRenderResult> {
export function renderMermaid(source: string, options: { theme?: 'light' | 'dark'; mode?: 'interactive' | 'static' | 'raster'; palette?: Record<string,string>; unlimited?: boolean; themeVariables?: ReturnType<typeof mermaidThemeVariables> } = {}): Promise<MermaidRenderResult> {
return serialized(() => renderMermaidNow(source, options))
}
async function renderMermaidNow(
source: string,
options: { theme?: 'light' | 'dark'; mode?: 'interactive' | 'static' | 'raster'; palette?: Record<string,string>; unlimited?: boolean } = {}
options: { theme?: 'light' | 'dark'; mode?: 'interactive' | 'static' | 'raster'; palette?: Record<string,string>; unlimited?: boolean; themeVariables?: ReturnType<typeof mermaidThemeVariables> } = {}
): Promise<MermaidRenderResult> {
const theme = options.theme ?? 'light'
const id = `mermaid-${Date.now()}-${++renderCounter}`
try {
const mermaid = await ensureInitialized(theme, options.mode === 'raster', options.palette, options.unlimited)
const mermaid = await ensureInitialized(theme, options.mode === 'raster', options.palette, options.unlimited, options.themeVariables)
const result = await mermaid.render(id, source)
const parser = new DOMParser()
const doc = parser.parseFromString(result.svg, 'image/svg+xml')