chore: drop non-code junk (pi-mono-reference, runtime state, root duplicates)
Remove files that should never have been tracked: - pi-mono-reference/: 688-file copy of an upstream monorepo, zero imports, used only as offline human reference - build/electron-builder.runtime.json: environment-specific build artifact with hardcoded local paths - state/cancel-signal-state.json: runtime state written by the app - prompt.txt, logo.svg (root): exact duplicates of the canonical copies under .planning/archive/ and assets/ Add state/ to .gitignore so future runtime state stays out.
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@@ -1,848 +0,0 @@
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import { Marked, type Token, Tokenizer, type Tokens } from "marked";
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import { isImageLine } from "../terminal-image.js";
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import type { Component } from "../tui.js";
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import { applyBackgroundToLine, visibleWidth, wrapTextWithAnsi } from "../utils.js";
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const STRICT_STRIKETHROUGH_REGEX = /^(~~)(?=[^\s~])((?:\\.|[^\\])*?(?:\\.|[^\s~\\]))\1(?=[^~]|$)/;
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class StrictStrikethroughTokenizer extends Tokenizer {
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override del(src: string): Tokens.Del | undefined {
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const match = STRICT_STRIKETHROUGH_REGEX.exec(src);
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if (!match) {
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return undefined;
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}
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const text = match[2];
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return {
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type: "del",
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raw: match[0],
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text,
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tokens: this.lexer.inlineTokens(text),
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};
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}
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}
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const markdownParser = new Marked();
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markdownParser.setOptions({
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tokenizer: new StrictStrikethroughTokenizer(),
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});
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/**
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* Default text styling for markdown content.
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* Applied to all text unless overridden by markdown formatting.
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*/
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export interface DefaultTextStyle {
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/** Foreground color function */
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color?: (text: string) => string;
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/** Background color function */
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bgColor?: (text: string) => string;
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/** Bold text */
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bold?: boolean;
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/** Italic text */
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italic?: boolean;
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/** Strikethrough text */
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strikethrough?: boolean;
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/** Underline text */
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underline?: boolean;
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}
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/**
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* Theme functions for markdown elements.
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* Each function takes text and returns styled text with ANSI codes.
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*/
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export interface MarkdownTheme {
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heading: (text: string) => string;
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link: (text: string) => string;
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linkUrl: (text: string) => string;
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code: (text: string) => string;
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codeBlock: (text: string) => string;
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codeBlockBorder: (text: string) => string;
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quote: (text: string) => string;
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quoteBorder: (text: string) => string;
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hr: (text: string) => string;
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listBullet: (text: string) => string;
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bold: (text: string) => string;
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italic: (text: string) => string;
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strikethrough: (text: string) => string;
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underline: (text: string) => string;
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highlightCode?: (code: string, lang?: string) => string[];
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/** Prefix applied to each rendered code block line (default: " ") */
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codeBlockIndent?: string;
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}
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interface InlineStyleContext {
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applyText: (text: string) => string;
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stylePrefix: string;
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}
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export class Markdown implements Component {
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private text: string;
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private paddingX: number; // Left/right padding
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private paddingY: number; // Top/bottom padding
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private defaultTextStyle?: DefaultTextStyle;
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private theme: MarkdownTheme;
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private defaultStylePrefix?: string;
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// Cache for rendered output
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private cachedText?: string;
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private cachedWidth?: number;
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private cachedLines?: string[];
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constructor(
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text: string,
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paddingX: number,
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paddingY: number,
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theme: MarkdownTheme,
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defaultTextStyle?: DefaultTextStyle,
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) {
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this.text = text;
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this.paddingX = paddingX;
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this.paddingY = paddingY;
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this.theme = theme;
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this.defaultTextStyle = defaultTextStyle;
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}
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setText(text: string): void {
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this.text = text;
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this.invalidate();
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}
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invalidate(): void {
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this.cachedText = undefined;
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this.cachedWidth = undefined;
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this.cachedLines = undefined;
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}
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render(width: number): string[] {
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// Check cache
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if (this.cachedLines && this.cachedText === this.text && this.cachedWidth === width) {
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return this.cachedLines;
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}
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// Calculate available width for content (subtract horizontal padding)
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const contentWidth = Math.max(1, width - this.paddingX * 2);
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// Don't render anything if there's no actual text
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if (!this.text || this.text.trim() === "") {
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const result: string[] = [];
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// Update cache
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this.cachedText = this.text;
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this.cachedWidth = width;
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this.cachedLines = result;
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return result;
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}
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// Replace tabs with 3 spaces for consistent rendering
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const normalizedText = this.text.replace(/\t/g, " ");
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// Parse markdown to HTML-like tokens
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const tokens = markdownParser.lexer(normalizedText);
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// Convert tokens to styled terminal output
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const renderedLines: string[] = [];
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for (let i = 0; i < tokens.length; i++) {
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const token = tokens[i];
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const nextToken = tokens[i + 1];
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const tokenLines = this.renderToken(token, contentWidth, nextToken?.type);
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renderedLines.push(...tokenLines);
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}
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// Wrap lines (NO padding, NO background yet)
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const wrappedLines: string[] = [];
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for (const line of renderedLines) {
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if (isImageLine(line)) {
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wrappedLines.push(line);
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} else {
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wrappedLines.push(...wrapTextWithAnsi(line, contentWidth));
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}
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}
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// Add margins and background to each wrapped line
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const leftMargin = " ".repeat(this.paddingX);
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const rightMargin = " ".repeat(this.paddingX);
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const bgFn = this.defaultTextStyle?.bgColor;
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const contentLines: string[] = [];
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for (const line of wrappedLines) {
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if (isImageLine(line)) {
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contentLines.push(line);
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continue;
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}
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const lineWithMargins = leftMargin + line + rightMargin;
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if (bgFn) {
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contentLines.push(applyBackgroundToLine(lineWithMargins, width, bgFn));
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} else {
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// No background - just pad to width
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const visibleLen = visibleWidth(lineWithMargins);
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const paddingNeeded = Math.max(0, width - visibleLen);
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contentLines.push(lineWithMargins + " ".repeat(paddingNeeded));
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}
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}
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// Add top/bottom padding (empty lines)
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const emptyLine = " ".repeat(width);
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const emptyLines: string[] = [];
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for (let i = 0; i < this.paddingY; i++) {
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const line = bgFn ? applyBackgroundToLine(emptyLine, width, bgFn) : emptyLine;
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emptyLines.push(line);
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}
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// Combine top padding, content, and bottom padding
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const result = [...emptyLines, ...contentLines, ...emptyLines];
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// Update cache
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this.cachedText = this.text;
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this.cachedWidth = width;
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this.cachedLines = result;
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return result.length > 0 ? result : [""];
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}
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/**
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* Apply default text style to a string.
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* This is the base styling applied to all text content.
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* NOTE: Background color is NOT applied here - it's applied at the padding stage
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* to ensure it extends to the full line width.
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*/
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private applyDefaultStyle(text: string): string {
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if (!this.defaultTextStyle) {
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return text;
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}
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let styled = text;
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// Apply foreground color (NOT background - that's applied at padding stage)
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if (this.defaultTextStyle.color) {
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styled = this.defaultTextStyle.color(styled);
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}
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// Apply text decorations using this.theme
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if (this.defaultTextStyle.bold) {
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styled = this.theme.bold(styled);
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}
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if (this.defaultTextStyle.italic) {
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styled = this.theme.italic(styled);
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}
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if (this.defaultTextStyle.strikethrough) {
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styled = this.theme.strikethrough(styled);
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}
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if (this.defaultTextStyle.underline) {
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styled = this.theme.underline(styled);
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}
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return styled;
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}
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private getDefaultStylePrefix(): string {
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if (!this.defaultTextStyle) {
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return "";
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}
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if (this.defaultStylePrefix !== undefined) {
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return this.defaultStylePrefix;
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}
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const sentinel = "\u0000";
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let styled = sentinel;
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if (this.defaultTextStyle.color) {
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styled = this.defaultTextStyle.color(styled);
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}
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if (this.defaultTextStyle.bold) {
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styled = this.theme.bold(styled);
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}
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if (this.defaultTextStyle.italic) {
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styled = this.theme.italic(styled);
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}
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if (this.defaultTextStyle.strikethrough) {
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styled = this.theme.strikethrough(styled);
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}
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if (this.defaultTextStyle.underline) {
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styled = this.theme.underline(styled);
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}
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const sentinelIndex = styled.indexOf(sentinel);
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this.defaultStylePrefix = sentinelIndex >= 0 ? styled.slice(0, sentinelIndex) : "";
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return this.defaultStylePrefix;
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}
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private getStylePrefix(styleFn: (text: string) => string): string {
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const sentinel = "\u0000";
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const styled = styleFn(sentinel);
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const sentinelIndex = styled.indexOf(sentinel);
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return sentinelIndex >= 0 ? styled.slice(0, sentinelIndex) : "";
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}
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private getDefaultInlineStyleContext(): InlineStyleContext {
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return {
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applyText: (text: string) => this.applyDefaultStyle(text),
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stylePrefix: this.getDefaultStylePrefix(),
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};
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}
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private renderToken(
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token: Token,
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width: number,
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nextTokenType?: string,
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styleContext?: InlineStyleContext,
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): string[] {
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const lines: string[] = [];
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switch (token.type) {
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case "heading": {
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const headingLevel = token.depth;
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const headingPrefix = `${"#".repeat(headingLevel)} `;
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// Build a heading-specific style context so inline tokens (codespan, bold, etc.)
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// restore heading styling after their own ANSI resets instead of falling back to
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// the default text style.
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let headingStyleFn: (text: string) => string;
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if (headingLevel === 1) {
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headingStyleFn = (text: string) => this.theme.heading(this.theme.bold(this.theme.underline(text)));
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} else {
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headingStyleFn = (text: string) => this.theme.heading(this.theme.bold(text));
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}
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const headingStyleContext: InlineStyleContext = {
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applyText: headingStyleFn,
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stylePrefix: this.getStylePrefix(headingStyleFn),
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};
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const headingText = this.renderInlineTokens(token.tokens || [], headingStyleContext);
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const styledHeading = headingLevel >= 3 ? headingStyleFn(headingPrefix) + headingText : headingText;
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lines.push(styledHeading);
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if (nextTokenType && nextTokenType !== "space") {
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lines.push(""); // Add spacing after headings (unless space token follows)
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}
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break;
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}
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case "paragraph": {
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const paragraphText = this.renderInlineTokens(token.tokens || [], styleContext);
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lines.push(paragraphText);
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// Don't add spacing if next token is space or list
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if (nextTokenType && nextTokenType !== "list" && nextTokenType !== "space") {
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lines.push("");
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}
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break;
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}
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case "code": {
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const indent = this.theme.codeBlockIndent ?? " ";
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lines.push(this.theme.codeBlockBorder(`\`\`\`${token.lang || ""}`));
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if (this.theme.highlightCode) {
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const highlightedLines = this.theme.highlightCode(token.text, token.lang);
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for (const hlLine of highlightedLines) {
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lines.push(`${indent}${hlLine}`);
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}
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} else {
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// Split code by newlines and style each line
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const codeLines = token.text.split("\n");
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for (const codeLine of codeLines) {
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lines.push(`${indent}${this.theme.codeBlock(codeLine)}`);
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}
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}
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lines.push(this.theme.codeBlockBorder("```"));
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if (nextTokenType && nextTokenType !== "space") {
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lines.push(""); // Add spacing after code blocks (unless space token follows)
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}
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break;
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}
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case "list": {
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const listLines = this.renderList(token as any, 0, styleContext);
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lines.push(...listLines);
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// Don't add spacing after lists if a space token follows
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// (the space token will handle it)
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break;
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}
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case "table": {
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const tableLines = this.renderTable(token as any, width, nextTokenType, styleContext);
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lines.push(...tableLines);
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break;
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}
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case "blockquote": {
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const quoteStyle = (text: string) => this.theme.quote(this.theme.italic(text));
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const quoteStylePrefix = this.getStylePrefix(quoteStyle);
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const applyQuoteStyle = (line: string): string => {
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if (!quoteStylePrefix) {
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return quoteStyle(line);
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}
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const lineWithReappliedStyle = line.replace(/\x1b\[0m/g, `\x1b[0m${quoteStylePrefix}`);
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return quoteStyle(lineWithReappliedStyle);
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};
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// Calculate available width for quote content (subtract border "│ " = 2 chars)
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const quoteContentWidth = Math.max(1, width - 2);
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// Blockquotes contain block-level tokens (paragraph, list, code, etc.), so render
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// children with renderToken() instead of renderInlineTokens().
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// Default message style should not apply inside blockquotes.
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const quoteInlineStyleContext: InlineStyleContext = {
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applyText: (text: string) => text,
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stylePrefix: quoteStylePrefix,
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};
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const quoteTokens = token.tokens || [];
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const renderedQuoteLines: string[] = [];
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for (let i = 0; i < quoteTokens.length; i++) {
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const quoteToken = quoteTokens[i];
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const nextQuoteToken = quoteTokens[i + 1];
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renderedQuoteLines.push(
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...this.renderToken(quoteToken, quoteContentWidth, nextQuoteToken?.type, quoteInlineStyleContext),
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);
|
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}
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||||
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// Avoid rendering an extra empty quote line before the outer blockquote spacing.
|
||||
while (renderedQuoteLines.length > 0 && renderedQuoteLines[renderedQuoteLines.length - 1] === "") {
|
||||
renderedQuoteLines.pop();
|
||||
}
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||||
|
||||
for (const quoteLine of renderedQuoteLines) {
|
||||
const styledLine = applyQuoteStyle(quoteLine);
|
||||
const wrappedLines = wrapTextWithAnsi(styledLine, quoteContentWidth);
|
||||
for (const wrappedLine of wrappedLines) {
|
||||
lines.push(this.theme.quoteBorder("│ ") + wrappedLine);
|
||||
}
|
||||
}
|
||||
if (nextTokenType && nextTokenType !== "space") {
|
||||
lines.push(""); // Add spacing after blockquotes (unless space token follows)
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
case "hr":
|
||||
lines.push(this.theme.hr("─".repeat(Math.min(width, 80))));
|
||||
if (nextTokenType && nextTokenType !== "space") {
|
||||
lines.push(""); // Add spacing after horizontal rules (unless space token follows)
|
||||
}
|
||||
break;
|
||||
|
||||
case "html":
|
||||
// Render HTML as plain text (escaped for terminal)
|
||||
if ("raw" in token && typeof token.raw === "string") {
|
||||
lines.push(this.applyDefaultStyle(token.raw.trim()));
|
||||
}
|
||||
break;
|
||||
|
||||
case "space":
|
||||
// Space tokens represent blank lines in markdown
|
||||
lines.push("");
|
||||
break;
|
||||
|
||||
default:
|
||||
// Handle any other token types as plain text
|
||||
if ("text" in token && typeof token.text === "string") {
|
||||
lines.push(token.text);
|
||||
}
|
||||
}
|
||||
|
||||
return lines;
|
||||
}
|
||||
|
||||
private renderInlineTokens(tokens: Token[], styleContext?: InlineStyleContext): string {
|
||||
let result = "";
|
||||
const resolvedStyleContext = styleContext ?? this.getDefaultInlineStyleContext();
|
||||
const { applyText, stylePrefix } = resolvedStyleContext;
|
||||
const applyTextWithNewlines = (text: string): string => {
|
||||
const segments: string[] = text.split("\n");
|
||||
return segments.map((segment: string) => applyText(segment)).join("\n");
|
||||
};
|
||||
|
||||
for (const token of tokens) {
|
||||
switch (token.type) {
|
||||
case "text":
|
||||
// Text tokens in list items can have nested tokens for inline formatting
|
||||
if (token.tokens && token.tokens.length > 0) {
|
||||
result += this.renderInlineTokens(token.tokens, resolvedStyleContext);
|
||||
} else {
|
||||
result += applyTextWithNewlines(token.text);
|
||||
}
|
||||
break;
|
||||
|
||||
case "paragraph":
|
||||
// Paragraph tokens contain nested inline tokens
|
||||
result += this.renderInlineTokens(token.tokens || [], resolvedStyleContext);
|
||||
break;
|
||||
|
||||
case "strong": {
|
||||
const boldContent = this.renderInlineTokens(token.tokens || [], resolvedStyleContext);
|
||||
result += this.theme.bold(boldContent) + stylePrefix;
|
||||
break;
|
||||
}
|
||||
|
||||
case "em": {
|
||||
const italicContent = this.renderInlineTokens(token.tokens || [], resolvedStyleContext);
|
||||
result += this.theme.italic(italicContent) + stylePrefix;
|
||||
break;
|
||||
}
|
||||
|
||||
case "codespan":
|
||||
result += this.theme.code(token.text) + stylePrefix;
|
||||
break;
|
||||
|
||||
case "link": {
|
||||
const linkText = this.renderInlineTokens(token.tokens || [], resolvedStyleContext);
|
||||
// If link text matches href, only show the link once
|
||||
// Compare raw text (token.text) not styled text (linkText) since linkText has ANSI codes
|
||||
// For mailto: links, strip the prefix before comparing (autolinked emails have
|
||||
// text="foo@bar.com" but href="mailto:foo@bar.com")
|
||||
const hrefForComparison = token.href.startsWith("mailto:") ? token.href.slice(7) : token.href;
|
||||
if (token.text === token.href || token.text === hrefForComparison) {
|
||||
result += this.theme.link(this.theme.underline(linkText)) + stylePrefix;
|
||||
} else {
|
||||
result +=
|
||||
this.theme.link(this.theme.underline(linkText)) +
|
||||
this.theme.linkUrl(` (${token.href})`) +
|
||||
stylePrefix;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
case "br":
|
||||
result += "\n";
|
||||
break;
|
||||
|
||||
case "del": {
|
||||
const delContent = this.renderInlineTokens(token.tokens || [], resolvedStyleContext);
|
||||
result += this.theme.strikethrough(delContent) + stylePrefix;
|
||||
break;
|
||||
}
|
||||
|
||||
case "html":
|
||||
// Render inline HTML as plain text
|
||||
if ("raw" in token && typeof token.raw === "string") {
|
||||
result += applyTextWithNewlines(token.raw);
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
// Handle any other inline token types as plain text
|
||||
if ("text" in token && typeof token.text === "string") {
|
||||
result += applyTextWithNewlines(token.text);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
while (stylePrefix && result.endsWith(stylePrefix)) {
|
||||
result = result.slice(0, -stylePrefix.length);
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Render a list with proper nesting support
|
||||
*/
|
||||
private renderList(
|
||||
token: Token & { items: any[]; ordered: boolean; start?: number },
|
||||
depth: number,
|
||||
styleContext?: InlineStyleContext,
|
||||
): string[] {
|
||||
const lines: string[] = [];
|
||||
const indent = " ".repeat(depth);
|
||||
// Use the list's start property (defaults to 1 for ordered lists)
|
||||
const startNumber = token.start ?? 1;
|
||||
|
||||
for (let i = 0; i < token.items.length; i++) {
|
||||
const item = token.items[i];
|
||||
const bullet = token.ordered ? `${startNumber + i}. ` : "- ";
|
||||
|
||||
// Process item tokens to handle nested lists
|
||||
const itemLines = this.renderListItem(item.tokens || [], depth, styleContext);
|
||||
|
||||
if (itemLines.length > 0) {
|
||||
// First line - check if it's a nested list
|
||||
// A nested list will start with indent (spaces) followed by cyan bullet
|
||||
const firstLine = itemLines[0];
|
||||
const isNestedList = /^\s+\x1b\[36m[-\d]/.test(firstLine); // starts with spaces + cyan + bullet char
|
||||
|
||||
if (isNestedList) {
|
||||
// This is a nested list, just add it as-is (already has full indent)
|
||||
lines.push(firstLine);
|
||||
} else {
|
||||
// Regular text content - add indent and bullet
|
||||
lines.push(indent + this.theme.listBullet(bullet) + firstLine);
|
||||
}
|
||||
|
||||
// Rest of the lines
|
||||
for (let j = 1; j < itemLines.length; j++) {
|
||||
const line = itemLines[j];
|
||||
const isNestedListLine = /^\s+\x1b\[36m[-\d]/.test(line); // starts with spaces + cyan + bullet char
|
||||
|
||||
if (isNestedListLine) {
|
||||
// Nested list line - already has full indent
|
||||
lines.push(line);
|
||||
} else {
|
||||
// Regular content - add parent indent + 2 spaces for continuation
|
||||
lines.push(`${indent} ${line}`);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
lines.push(indent + this.theme.listBullet(bullet));
|
||||
}
|
||||
}
|
||||
|
||||
return lines;
|
||||
}
|
||||
|
||||
/**
|
||||
* Render list item tokens, handling nested lists
|
||||
* Returns lines WITHOUT the parent indent (renderList will add it)
|
||||
*/
|
||||
private renderListItem(tokens: Token[], parentDepth: number, styleContext?: InlineStyleContext): string[] {
|
||||
const lines: string[] = [];
|
||||
|
||||
for (const token of tokens) {
|
||||
if (token.type === "list") {
|
||||
// Nested list - render with one additional indent level
|
||||
// These lines will have their own indent, so we just add them as-is
|
||||
const nestedLines = this.renderList(token as any, parentDepth + 1, styleContext);
|
||||
lines.push(...nestedLines);
|
||||
} else if (token.type === "text") {
|
||||
// Text content (may have inline tokens)
|
||||
const text =
|
||||
token.tokens && token.tokens.length > 0
|
||||
? this.renderInlineTokens(token.tokens, styleContext)
|
||||
: token.text || "";
|
||||
lines.push(text);
|
||||
} else if (token.type === "paragraph") {
|
||||
// Paragraph in list item
|
||||
const text = this.renderInlineTokens(token.tokens || [], styleContext);
|
||||
lines.push(text);
|
||||
} else if (token.type === "code") {
|
||||
// Code block in list item
|
||||
const indent = this.theme.codeBlockIndent ?? " ";
|
||||
lines.push(this.theme.codeBlockBorder(`\`\`\`${token.lang || ""}`));
|
||||
if (this.theme.highlightCode) {
|
||||
const highlightedLines = this.theme.highlightCode(token.text, token.lang);
|
||||
for (const hlLine of highlightedLines) {
|
||||
lines.push(`${indent}${hlLine}`);
|
||||
}
|
||||
} else {
|
||||
const codeLines = token.text.split("\n");
|
||||
for (const codeLine of codeLines) {
|
||||
lines.push(`${indent}${this.theme.codeBlock(codeLine)}`);
|
||||
}
|
||||
}
|
||||
lines.push(this.theme.codeBlockBorder("```"));
|
||||
} else {
|
||||
// Other token types - try to render as inline
|
||||
const text = this.renderInlineTokens([token], styleContext);
|
||||
if (text) {
|
||||
lines.push(text);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return lines;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the visible width of the longest word in a string.
|
||||
*/
|
||||
private getLongestWordWidth(text: string, maxWidth?: number): number {
|
||||
const words = text.split(/\s+/).filter((word) => word.length > 0);
|
||||
let longest = 0;
|
||||
for (const word of words) {
|
||||
longest = Math.max(longest, visibleWidth(word));
|
||||
}
|
||||
if (maxWidth === undefined) {
|
||||
return longest;
|
||||
}
|
||||
return Math.min(longest, maxWidth);
|
||||
}
|
||||
|
||||
/**
|
||||
* Wrap a table cell to fit into a column.
|
||||
*
|
||||
* Delegates to wrapTextWithAnsi() so ANSI codes + long tokens are handled
|
||||
* consistently with the rest of the renderer.
|
||||
*/
|
||||
private wrapCellText(text: string, maxWidth: number): string[] {
|
||||
return wrapTextWithAnsi(text, Math.max(1, maxWidth));
|
||||
}
|
||||
|
||||
/**
|
||||
* Render a table with width-aware cell wrapping.
|
||||
* Cells that don't fit are wrapped to multiple lines.
|
||||
*/
|
||||
private renderTable(
|
||||
token: Token & { header: any[]; rows: any[][]; raw?: string },
|
||||
availableWidth: number,
|
||||
nextTokenType?: string,
|
||||
styleContext?: InlineStyleContext,
|
||||
): string[] {
|
||||
const lines: string[] = [];
|
||||
const numCols = token.header.length;
|
||||
|
||||
if (numCols === 0) {
|
||||
return lines;
|
||||
}
|
||||
|
||||
// Calculate border overhead: "│ " + (n-1) * " │ " + " │"
|
||||
// = 2 + (n-1) * 3 + 2 = 3n + 1
|
||||
const borderOverhead = 3 * numCols + 1;
|
||||
const availableForCells = availableWidth - borderOverhead;
|
||||
if (availableForCells < numCols) {
|
||||
// Too narrow to render a stable table. Fall back to raw markdown.
|
||||
const fallbackLines = token.raw ? wrapTextWithAnsi(token.raw, availableWidth) : [];
|
||||
if (nextTokenType && nextTokenType !== "space") {
|
||||
fallbackLines.push("");
|
||||
}
|
||||
return fallbackLines;
|
||||
}
|
||||
|
||||
const maxUnbrokenWordWidth = 30;
|
||||
|
||||
// Calculate natural column widths (what each column needs without constraints)
|
||||
const naturalWidths: number[] = [];
|
||||
const minWordWidths: number[] = [];
|
||||
for (let i = 0; i < numCols; i++) {
|
||||
const headerText = this.renderInlineTokens(token.header[i].tokens || [], styleContext);
|
||||
naturalWidths[i] = visibleWidth(headerText);
|
||||
minWordWidths[i] = Math.max(1, this.getLongestWordWidth(headerText, maxUnbrokenWordWidth));
|
||||
}
|
||||
for (const row of token.rows) {
|
||||
for (let i = 0; i < row.length; i++) {
|
||||
const cellText = this.renderInlineTokens(row[i].tokens || [], styleContext);
|
||||
naturalWidths[i] = Math.max(naturalWidths[i] || 0, visibleWidth(cellText));
|
||||
minWordWidths[i] = Math.max(
|
||||
minWordWidths[i] || 1,
|
||||
this.getLongestWordWidth(cellText, maxUnbrokenWordWidth),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
let minColumnWidths = minWordWidths;
|
||||
let minCellsWidth = minColumnWidths.reduce((a, b) => a + b, 0);
|
||||
|
||||
if (minCellsWidth > availableForCells) {
|
||||
minColumnWidths = new Array(numCols).fill(1);
|
||||
const remaining = availableForCells - numCols;
|
||||
|
||||
if (remaining > 0) {
|
||||
const totalWeight = minWordWidths.reduce((total, width) => total + Math.max(0, width - 1), 0);
|
||||
const growth = minWordWidths.map((width) => {
|
||||
const weight = Math.max(0, width - 1);
|
||||
return totalWeight > 0 ? Math.floor((weight / totalWeight) * remaining) : 0;
|
||||
});
|
||||
|
||||
for (let i = 0; i < numCols; i++) {
|
||||
minColumnWidths[i] += growth[i] ?? 0;
|
||||
}
|
||||
|
||||
const allocated = growth.reduce((total, width) => total + width, 0);
|
||||
let leftover = remaining - allocated;
|
||||
for (let i = 0; leftover > 0 && i < numCols; i++) {
|
||||
minColumnWidths[i]++;
|
||||
leftover--;
|
||||
}
|
||||
}
|
||||
|
||||
minCellsWidth = minColumnWidths.reduce((a, b) => a + b, 0);
|
||||
}
|
||||
|
||||
// Calculate column widths that fit within available width
|
||||
const totalNaturalWidth = naturalWidths.reduce((a, b) => a + b, 0) + borderOverhead;
|
||||
let columnWidths: number[];
|
||||
|
||||
if (totalNaturalWidth <= availableWidth) {
|
||||
// Everything fits naturally
|
||||
columnWidths = naturalWidths.map((width, index) => Math.max(width, minColumnWidths[index]));
|
||||
} else {
|
||||
// Need to shrink columns to fit
|
||||
const totalGrowPotential = naturalWidths.reduce((total, width, index) => {
|
||||
return total + Math.max(0, width - minColumnWidths[index]);
|
||||
}, 0);
|
||||
const extraWidth = Math.max(0, availableForCells - minCellsWidth);
|
||||
columnWidths = minColumnWidths.map((minWidth, index) => {
|
||||
const naturalWidth = naturalWidths[index];
|
||||
const minWidthDelta = Math.max(0, naturalWidth - minWidth);
|
||||
let grow = 0;
|
||||
if (totalGrowPotential > 0) {
|
||||
grow = Math.floor((minWidthDelta / totalGrowPotential) * extraWidth);
|
||||
}
|
||||
return minWidth + grow;
|
||||
});
|
||||
|
||||
// Adjust for rounding errors - distribute remaining space
|
||||
const allocated = columnWidths.reduce((a, b) => a + b, 0);
|
||||
let remaining = availableForCells - allocated;
|
||||
while (remaining > 0) {
|
||||
let grew = false;
|
||||
for (let i = 0; i < numCols && remaining > 0; i++) {
|
||||
if (columnWidths[i] < naturalWidths[i]) {
|
||||
columnWidths[i]++;
|
||||
remaining--;
|
||||
grew = true;
|
||||
}
|
||||
}
|
||||
if (!grew) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Render top border
|
||||
const topBorderCells = columnWidths.map((w) => "─".repeat(w));
|
||||
lines.push(`┌─${topBorderCells.join("─┬─")}─┐`);
|
||||
|
||||
// Render header with wrapping
|
||||
const headerCellLines: string[][] = token.header.map((cell, i) => {
|
||||
const text = this.renderInlineTokens(cell.tokens || [], styleContext);
|
||||
return this.wrapCellText(text, columnWidths[i]);
|
||||
});
|
||||
const headerLineCount = Math.max(...headerCellLines.map((c) => c.length));
|
||||
|
||||
for (let lineIdx = 0; lineIdx < headerLineCount; lineIdx++) {
|
||||
const rowParts = headerCellLines.map((cellLines, colIdx) => {
|
||||
const text = cellLines[lineIdx] || "";
|
||||
const padded = text + " ".repeat(Math.max(0, columnWidths[colIdx] - visibleWidth(text)));
|
||||
return this.theme.bold(padded);
|
||||
});
|
||||
lines.push(`│ ${rowParts.join(" │ ")} │`);
|
||||
}
|
||||
|
||||
// Render separator
|
||||
const separatorCells = columnWidths.map((w) => "─".repeat(w));
|
||||
const separatorLine = `├─${separatorCells.join("─┼─")}─┤`;
|
||||
lines.push(separatorLine);
|
||||
|
||||
// Render rows with wrapping
|
||||
for (let rowIndex = 0; rowIndex < token.rows.length; rowIndex++) {
|
||||
const row = token.rows[rowIndex];
|
||||
const rowCellLines: string[][] = row.map((cell, i) => {
|
||||
const text = this.renderInlineTokens(cell.tokens || [], styleContext);
|
||||
return this.wrapCellText(text, columnWidths[i]);
|
||||
});
|
||||
const rowLineCount = Math.max(...rowCellLines.map((c) => c.length));
|
||||
|
||||
for (let lineIdx = 0; lineIdx < rowLineCount; lineIdx++) {
|
||||
const rowParts = rowCellLines.map((cellLines, colIdx) => {
|
||||
const text = cellLines[lineIdx] || "";
|
||||
return text + " ".repeat(Math.max(0, columnWidths[colIdx] - visibleWidth(text)));
|
||||
});
|
||||
lines.push(`│ ${rowParts.join(" │ ")} │`);
|
||||
}
|
||||
|
||||
if (rowIndex < token.rows.length - 1) {
|
||||
lines.push(separatorLine);
|
||||
}
|
||||
}
|
||||
|
||||
// Render bottom border
|
||||
const bottomBorderCells = columnWidths.map((w) => "─".repeat(w));
|
||||
lines.push(`└─${bottomBorderCells.join("─┴─")}─┘`);
|
||||
|
||||
if (nextTokenType && nextTokenType !== "space") {
|
||||
lines.push(""); // Add spacing after table
|
||||
}
|
||||
return lines;
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user