thzxx
f8b9f4a761
feat(parser): comprehensive Markdown parser enhancement - Add nested list support (multi-level unordered/ordered, mixed nesting) - Add Setext headings (=== / ---) - Add indented code blocks (4-space indent) - Add HTML comment passthrough (<!-- -->) - Add entity reference protection (& ©) - Add ordered list start attribute - Add link title single-quote support - Add LaTeX math formulas ($inline$ / $$block$$) - Add footnote support ([^1] ref + [^1]: definition) - Add definition lists (term\n: definition) - Extend emoji map from 85 to 150+ common emojis - Fix backtick code block matching (CommonMark spec) - Fix italic regex character truncation (lookbehind assertions) - Fix superscript/subscript/strikethrough ambiguity - Fix blockquote prefix handling (>text without space) - Enhance safeUrl filtering (additional protocol checks) - Enhance slugify (Unicode NFKC normalization) perf(parser): single-pass inline scanning, render cache, pre-compiled regex - Replace 14-step chained regex with unified single-pass scanInline() - Add cachedRenderInline() with FIFO LRU eviction (300-entry cap) - Pre-compile 15+ static regex constants for block boundary detection - Skip redundant style='text-align:left' on default-aligned table cells style(parser): add CSS for footnotes, definition lists, math formulas, sup/sub test(parser): 44 new test cases covering all v0.1.4 syntax additions (469 total) chore: bump version 0.1.3 → 0.1.4 across all source files, docs, site pages
460 lines
14 KiB
JavaScript
460 lines
14 KiB
JavaScript
/**
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* MetonaEditor Styles - 编辑器样式
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* @module styles
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* @version 0.1.4
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* @description 编辑器 UI 样式注入与管理
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*/
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import { THEMES } from './constants.js';
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let styleElement = null;
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/**
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* 生成 CSS 样式
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*/
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const generateCSS = () => {
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return `
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/* ============ CSS 变量默认值（被 themes.js 动态覆盖） ============ */
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:root {
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--md-bg: #ffffff;
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--md-text: #1f2937;
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--md-border: rgba(0, 0, 0, 0.08);
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--md-shadow: 0 10px 36px -10px rgba(0,0,0,0.18), 0 4px 14px -4px rgba(0,0,0,0.08);
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--md-hover-shadow: 0 14px 48px -10px rgba(0,0,0,0.22), 0 6px 18px -4px rgba(0,0,0,0.10);
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--md-toolbar-bg: rgba(248, 249, 250, 0.92);
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--md-textarea-bg: #ffffff;
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--md-preview-bg: #ffffff;
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--md-code-bg: rgba(243, 244, 246, 1);
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--md-code-text: #1f2937;
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--md-accent: #3b82f6;
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--md-muted: #6b7280;
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--md-radius: 10px;
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--md-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
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--md-mono: "SF Mono", "Cascadia Code", "Consolas", "Liberation Mono", "Courier New", monospace;
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}
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/* ============ 容器 ============ */
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.me-wrapper {
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display: flex;
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flex-direction: column;
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box-sizing: border-box;
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border: 1px solid var(--md-border);
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border-radius: var(--md-radius);
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overflow: hidden;
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background: var(--md-bg);
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color: var(--md-text);
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box-shadow: var(--md-shadow);
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font-family: var(--md-font);
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font-size: 14px;
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line-height: 1.6;
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position: relative;
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transition: box-shadow 0.25s ease, border-color 0.25s ease;
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width: 100%;
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}
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.me-wrapper:hover { box-shadow: var(--md-hover-shadow); }
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.me-wrapper.me-disabled { opacity: 0.6; pointer-events: none; }
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.me-wrapper * { box-sizing: border-box; }
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.me-wrapper.me-fullscreen {
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position: fixed;
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top: 0; left: 0; right: 0; bottom: 0;
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width: 100vw; height: 100vh;
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z-index: 9999;
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border-radius: 0;
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border: 0;
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}
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/* ============ 工具栏 ============ */
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.me-toolbar {
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display: flex;
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align-items: center;
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flex-wrap: wrap;
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gap: 2px;
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padding: 6px 8px;
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background: var(--md-toolbar-bg);
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border-bottom: 1px solid var(--md-border);
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backdrop-filter: blur(10px);
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-webkit-backdrop-filter: blur(10px);
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min-height: 40px;
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}
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.me-btn {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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width: 30px; height: 30px;
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padding: 0;
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border: 0;
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border-radius: 6px;
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background: transparent;
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color: var(--md-text);
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cursor: pointer;
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transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
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flex-shrink: 0;
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}
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.me-btn:hover { background: var(--md-code-bg); color: var(--md-accent); }
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.me-btn:active { transform: scale(0.92); }
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.me-btn.me-active { background: var(--md-accent); color: #fff; }
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.me-btn:focus-visible { outline: 2px solid var(--md-accent); outline-offset: 1px; }
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.me-btn svg { width: 17px; height: 17px; display: block; }
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.me-btn span { font-size: 12px; font-weight: 500; }
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.me-toolbar-sep {
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display: inline-block;
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width: 1px; height: 20px;
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background: var(--md-border);
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margin: 0 4px;
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flex-shrink: 0;
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}
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.me-toolbar-group {
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display: inline-flex;
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gap: 2px;
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margin-left: auto;
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padding-left: 6px;
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border-left: 1px solid var(--md-border);
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}
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.me-toolbar-group .me-btn { width: auto; padding: 0 8px; }
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.me-toolbar-group .me-btn span { font-size: 12px; }
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/* ============ 主体布局 ============ */
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.me-body {
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display: flex;
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flex: 1;
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min-height: 0;
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position: relative;
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}
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.me-editor-pane, .me-preview-pane {
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flex: 1 1 50%;
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min-width: 0;
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overflow: hidden;
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position: relative;
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}
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.me-divider {
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flex: 0 0 1px;
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background: var(--md-border);
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cursor: col-resize;
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position: relative;
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}
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.me-divider::after {
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content: '';
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position: absolute;
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top: 0; bottom: 0; left: -3px; right: -3px;
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}
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.me-divider:hover { background: var(--md-accent); }
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/* 编辑区 */
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.me-textarea {
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width: 100%;
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height: 100%;
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padding: 16px 18px;
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border: 0;
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outline: 0;
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resize: none;
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background: var(--md-textarea-bg);
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color: var(--md-text);
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font-family: var(--md-mono);
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font-size: 13.5px;
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line-height: 1.7;
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tab-size: 2;
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-moz-tab-size: 2;
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display: block;
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white-space: pre-wrap;
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word-wrap: break-word;
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}
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.me-textarea::placeholder { color: var(--md-muted); opacity: 0.7; }
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.me-textarea:focus { outline: 0; }
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/* 预览区 */
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.me-preview-pane { overflow: auto; background: var(--md-preview-bg); }
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.me-preview {
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padding: 18px 22px;
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max-width: 100%;
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word-wrap: break-word;
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overflow-wrap: break-word;
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}
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/* 模式切换 */
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.me-body.me-mode-edit .me-preview-pane,
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.me-body.me-mode-edit .me-divider { display: none; }
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.me-body.me-mode-edit .me-editor-pane { flex: 1 1 100%; }
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.me-body.me-mode-preview .me-editor-pane,
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.me-body.me-mode-preview .me-divider { display: none; }
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.me-body.me-mode-preview .me-preview-pane { flex: 1 1 100%; }
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/* ============ 预览区排版 ============ */
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.me-preview > :first-child { margin-top: 0; }
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.me-preview > :last-child { margin-bottom: 0; }
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.me-preview h1, .me-preview h2, .me-preview h3,
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.me-preview h4, .me-preview h5, .me-preview h6 {
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margin: 1.4em 0 0.6em;
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font-weight: 650;
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line-height: 1.3;
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}
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.me-preview h1 { font-size: 1.9em; padding-bottom: 0.3em; border-bottom: 1px solid var(--md-border); }
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.me-preview h2 { font-size: 1.55em; padding-bottom: 0.3em; border-bottom: 1px solid var(--md-border); }
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.me-preview h3 { font-size: 1.3em; }
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.me-preview h4 { font-size: 1.12em; }
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.me-preview h5 { font-size: 1em; }
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.me-preview h6 { font-size: 0.9em; color: var(--md-muted); }
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.me-preview p { margin: 0.7em 0; }
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.me-preview a { color: var(--md-accent); text-decoration: none; }
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.me-preview a:hover { text-decoration: underline; }
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.me-preview strong { font-weight: 650; }
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.me-preview em { font-style: italic; }
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.me-preview del { text-decoration: line-through; opacity: 0.75; }
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.me-preview ul, .me-preview ol { margin: 0.6em 0; padding-left: 1.6em; }
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.me-preview li { margin: 0.25em 0; }
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.me-preview li.me-task-item { list-style: none; margin-left: -1.4em; }
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.me-preview li.me-task-item input { margin-right: 0.5em; vertical-align: middle; }
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.me-preview blockquote {
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margin: 0.8em 0;
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padding: 0.4em 1em;
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border-left: 3px solid var(--md-accent);
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background: var(--md-code-bg);
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border-radius: 0 6px 6px 0;
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color: var(--md-text);
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}
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.me-preview blockquote > :first-child { margin-top: 0; }
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.me-preview blockquote > :last-child { margin-bottom: 0; }
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.me-preview hr {
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border: 0;
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height: 1px;
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background: var(--md-border);
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margin: 1.6em 0;
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}
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.me-preview code {
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font-family: var(--md-mono);
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font-size: 0.88em;
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padding: 0.15em 0.4em;
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background: var(--md-code-bg);
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color: var(--md-code-text);
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border-radius: 4px;
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}
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.me-preview pre {
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margin: 0.9em 0;
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padding: 14px 16px;
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background: var(--md-code-bg);
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border-radius: 8px;
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overflow-x: auto;
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border: 1px solid var(--md-border);
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}
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.me-preview pre code {
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padding: 0;
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background: transparent;
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color: var(--md-code-text);
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font-size: 0.9em;
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line-height: 1.6;
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border-radius: 0;
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}
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.me-preview img {
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max-width: 100%;
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height: auto;
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border-radius: 6px;
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vertical-align: middle;
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}
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.me-table-wrap { overflow-x: auto; margin: 0.9em 0; }
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.me-preview table {
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border-collapse: collapse;
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width: 100%;
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font-size: 0.93em;
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display: block;
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}
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.me-preview th, .me-preview td {
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border: 1px solid var(--md-border);
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padding: 7px 12px;
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text-align: left;
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}
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.me-preview th {
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background: var(--md-code-bg);
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font-weight: 600;
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}
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.me-preview tr:nth-child(even) td { background: var(--md-code-bg); }
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.me-preview tr:nth-child(even) td { background-color: color-mix(in srgb, var(--md-code-bg) 40%, transparent); }
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/* ============ 状态栏 ============ */
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.me-statusbar {
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display: flex;
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align-items: center;
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justify-content: flex-end;
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gap: 14px;
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padding: 4px 12px;
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border-top: 1px solid var(--md-border);
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background: var(--md-toolbar-bg);
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color: var(--md-muted);
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font-size: 12px;
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min-height: 26px;
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}
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.me-statusbar:empty { display: none; }
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/* ============ 响应式 ============ */
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@media (max-width: 768px) {
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.me-body.me-mode-split {
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flex-direction: column;
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}
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.me-body.me-mode-split .me-divider {
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flex: 0 0 1px;
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width: 100%;
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height: 1px;
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cursor: row-resize;
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}
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.me-body.me-mode-split .me-divider::after {
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top: -3px; bottom: -3px; left: 0; right: 0;
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}
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.me-body.me-mode-split .me-editor-pane,
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.me-body.me-mode-split .me-preview-pane {
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flex: 1 1 50%;
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width: 100%;
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}
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.me-toolbar { padding: 4px; }
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.me-btn { width: 28px; height: 28px; }
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.me-preview { padding: 14px; }
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.me-textarea { padding: 12px; font-size: 13px; }
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}
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/* ============ 无障碍 ============ */
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.me-wrapper:focus-within {
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border-color: var(--md-accent);
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}
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.me-textarea:focus-visible { outline: 0; }
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/* ============ 动画 ============ */
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@media (prefers-reduced-motion: reduce) {
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.me-wrapper, .me-btn, .me-textarea { transition: none !important; }
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}
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/* ============ 全屏模式优化 ============ */
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.me-wrapper.me-fullscreen .me-preview,
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.me-wrapper.me-fullscreen .me-textarea { font-size: 15px; }
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/* ============ 只读模式 ============ */
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.me-wrapper.me-readonly .me-textarea {
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background: var(--md-code-bg);
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cursor: default;
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opacity: 0.88;
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}
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.me-wrapper.me-readonly .me-toolbar {
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opacity: 0.45; pointer-events: none;
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}
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/* ============ 高亮标记 ============ */
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.me-preview mark {
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background: rgba(250, 204, 21, 0.3);
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color: inherit;
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padding: 0.1em 0.2em;
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border-radius: 3px;
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}
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/* ============ 上标/下标 ============ */
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.me-preview sup { font-size: 0.75em; vertical-align: super; line-height: 1; }
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.me-preview sub { font-size: 0.75em; vertical-align: sub; line-height: 1; }
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/* ============ 数学公式 ============ */
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.me-preview .me-math-block {
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display: block;
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margin: 1.2em 0;
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padding: 12px 16px;
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background: var(--md-code-bg);
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border-radius: 8px;
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overflow-x: auto;
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font-family: var(--md-mono);
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font-size: 0.95em;
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text-align: center;
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}
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.me-preview .me-math-inline {
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font-family: var(--md-mono);
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font-size: 0.95em;
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padding: 0.05em 0.2em;
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}
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/* ============ 定义列表 ============ */
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.me-preview dl { margin: 0.8em 0; }
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.me-preview dt { font-weight: 650; margin: 0.6em 0 0.2em; }
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.me-preview dd { margin: 0 0 0.3em 1.6em; color: var(--md-text); }
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/* ============ 脚注 ============ */
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.me-preview .me-footnote-ref a {
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font-size: 0.75em;
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vertical-align: super;
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text-decoration: none;
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color: var(--md-accent);
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}
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.me-preview .me-footnotes {
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margin-top: 2em;
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border-top: 1px solid var(--md-border);
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padding-top: 0.8em;
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font-size: 0.9em;
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color: var(--md-muted);
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}
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.me-preview .me-footnotes hr { display: none; }
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.me-preview .me-footnotes ol { padding-left: 1.2em; }
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.me-preview .me-footnote-item { margin: 0.3em 0; }
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.me-preview .me-footnote-backref {
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text-decoration: none;
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color: var(--md-accent);
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margin-right: 0.4em;
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}
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/* ============ 打印样式 ============ */
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@media print {
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.me-wrapper { border: 0 !important; box-shadow: none !important; }
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.me-toolbar, .me-statusbar, .me-divider { display: none !important; }
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.me-body.me-mode-split .me-editor-pane { display: none; }
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.me-body.me-mode-split .me-preview-pane { flex: 1 1 100% !important; }
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.me-preview { padding: 0 !important; font-size: 11pt; }
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.me-wrapper.me-fullscreen { position: static !important; width: auto !important; height: auto !important; }
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}
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`;
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};
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/**
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* 注入样式（单例）
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*/
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export const injectStyles = () => {
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if (typeof document === 'undefined') return;
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if (styleElement && document.getElementById('metona-editor-styles')) return;
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const css = generateCSS();
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styleElement = document.createElement('style');
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styleElement.id = 'metona-editor-styles';
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styleElement.textContent = css.replace(/\s+/g, ' ');
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document.head.appendChild(styleElement);
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};
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/**
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* 更新样式
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*/
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export const updateStyles = () => {
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if (!styleElement) { injectStyles(); return; }
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styleElement.textContent = generateCSS().replace(/\s+/g, ' ');
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};
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/**
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* 移除样式
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*/
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export const removeStyles = () => {
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if (styleElement && styleElement.parentNode) {
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styleElement.parentNode.removeChild(styleElement);
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}
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styleElement = null;
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};
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/**
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* 获取系统主题
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*/
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export const getSystemTheme = () => {
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if (typeof window === 'undefined') return 'light';
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return window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light';
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};
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/**
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* 监听系统主题变化
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*/
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export const watchSystemTheme = (callback) => {
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if (typeof window === 'undefined' || !window.matchMedia) return () => {};
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const mediaQuery = window.matchMedia('(prefers-color-scheme: dark)');
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const handler = (e) => callback(e.matches ? 'dark' : 'light');
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mediaQuery.addEventListener('change', handler);
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return () => mediaQuery.removeEventListener('change', handler);
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};
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export { THEMES };
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export default { injectStyles, updateStyles, removeStyles, getSystemTheme, watchSystemTheme };
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