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fix: align theme truecolor detection

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This commit is contained in:
Armin Ronacher
2026-05-18 21:56:48 +02:00
parent f10cf57e96
commit dafcf61a34
4 changed files with 61 additions and 35 deletions
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39
packages/coding-agent/src/modes/interactive/theme/theme.ts
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@@ -1,6 +1,12 @@
import * as fs from "node:fs";
import * as path from "node:path";
import type { EditorTheme, MarkdownTheme, SelectListTheme } from "@earendil-works/pi-tui";
import {
type EditorTheme,
getCapabilities,
type MarkdownTheme,
type SelectListTheme,
type SettingsListTheme,
} from "@earendil-works/pi-tui";
import chalk from "chalk";
import { type Static, Type } from "typebox";
import { Compile } from "typebox/compile";
@@ -158,33 +164,6 @@ type ColorMode = "truecolor" | "256color";
// Color Utilities
// ============================================================================
function detectColorMode(): ColorMode {
const colorterm = process.env.COLORTERM;
if (colorterm === "truecolor" || colorterm === "24bit") {
return "truecolor";
}
// Windows Terminal supports truecolor
if (process.env.WT_SESSION) {
return "truecolor";
}
const term = process.env.TERM || "";
// Fall back to 256color for truly limited terminals
if (term === "dumb" || term === "" || term === "linux") {
return "256color";
}
// Terminal.app also doesn't support truecolor
if (process.env.TERM_PROGRAM === "Apple_Terminal") {
return "256color";
}
// GNU screen doesn't support truecolor unless explicitly opted in via COLORTERM=truecolor.
// TERM under screen is typically "screen", "screen-256color", or "screen.xterm-256color".
if (term === "screen" || term.startsWith("screen-") || term.startsWith("screen.")) {
return "256color";
}
// Assume truecolor for everything else - virtually all modern terminals support it
return "truecolor";
}
function hexToRgb(hex: string): { r: number; g: number; b: number } {
const cleaned = hex.replace("#", "");
if (cleaned.length !== 6) {
@@ -585,7 +564,7 @@ function loadThemeJson(name: string): ThemeJson {
}
function createTheme(themeJson: ThemeJson, mode?: ColorMode, sourcePath?: string): Theme {
const colorMode = mode ?? detectColorMode();
const colorMode = mode ?? (getCapabilities().trueColor ? "truecolor" : "256color");
const resolvedColors = resolveThemeColors(themeJson.colors, themeJson.vars);
const fgColors: Record<ThemeColor, string | number> = {} as Record<ThemeColor, string | number>;
const bgColors: Record<ThemeBg, string | number> = {} as Record<ThemeBg, string | number>;
@@ -1227,7 +1206,7 @@ export function getEditorTheme(): EditorTheme {
};
}
export function getSettingsListTheme(): import("@earendil-works/pi-tui").SettingsListTheme {
export function getSettingsListTheme(): SettingsListTheme {
return {
label: (text: string, selected: boolean) => (selected ? theme.fg("accent", text) : text),
value: (text: string, selected: boolean) => (selected ? theme.fg("accent", text) : theme.fg("muted", text)),