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a3dc4b5a57
* fix(tui): improve colour contrast for light-background terminals (#38636) Detect light terminal backgrounds via COLORFGBG and apply a WCAG AA-compliant light palette. Adds OPENCLAW_THEME=light|dark env var override for terminals without auto-detection. Uses proper sRGB linearisation and WCAG 2.1 contrast ratios to pick whichever text palette (dark or light) has higher contrast against the detected background colour. Co-authored-by: ademczuk <ademczuk@users.noreply.github.com> * Update CHANGELOG.md --------- Co-authored-by: ademczuk <andrew.demczuk@gmail.com> Co-authored-by: ademczuk <ademczuk@users.noreply.github.com>
101 lines
4.0 KiB
TypeScript
101 lines
4.0 KiB
TypeScript
import chalk from "chalk";
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type HighlightTheme = Record<string, (text: string) => string>;
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/**
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* Syntax highlighting theme for code blocks.
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* Uses chalk functions to style different token types.
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*/
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export function createSyntaxTheme(
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fallback: (text: string) => string,
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light = false,
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): HighlightTheme {
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if (light) {
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return {
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keyword: chalk.hex("#AF00DB"),
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built_in: chalk.hex("#267F99"),
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type: chalk.hex("#267F99"),
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literal: chalk.hex("#0000FF"),
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number: chalk.hex("#098658"),
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string: chalk.hex("#A31515"),
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regexp: chalk.hex("#811F3F"),
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symbol: chalk.hex("#098658"),
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class: chalk.hex("#267F99"),
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function: chalk.hex("#795E26"),
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title: chalk.hex("#795E26"),
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params: chalk.hex("#001080"),
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comment: chalk.hex("#008000"),
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doctag: chalk.hex("#008000"),
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meta: chalk.hex("#001080"),
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"meta-keyword": chalk.hex("#AF00DB"),
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"meta-string": chalk.hex("#A31515"),
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section: chalk.hex("#795E26"),
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tag: chalk.hex("#800000"),
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name: chalk.hex("#001080"),
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attr: chalk.hex("#C50000"),
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attribute: chalk.hex("#C50000"),
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variable: chalk.hex("#001080"),
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bullet: chalk.hex("#795E26"),
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code: chalk.hex("#A31515"),
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emphasis: chalk.italic,
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strong: chalk.bold,
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formula: chalk.hex("#AF00DB"),
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link: chalk.hex("#267F99"),
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quote: chalk.hex("#008000"),
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addition: chalk.hex("#098658"),
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deletion: chalk.hex("#A31515"),
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"selector-tag": chalk.hex("#800000"),
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"selector-id": chalk.hex("#800000"),
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"selector-class": chalk.hex("#800000"),
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"selector-attr": chalk.hex("#800000"),
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"selector-pseudo": chalk.hex("#800000"),
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"template-tag": chalk.hex("#AF00DB"),
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"template-variable": chalk.hex("#001080"),
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default: fallback,
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};
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}
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return {
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keyword: chalk.hex("#C586C0"), // purple - if, const, function, etc.
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built_in: chalk.hex("#4EC9B0"), // teal - console, Math, etc.
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type: chalk.hex("#4EC9B0"), // teal - types
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literal: chalk.hex("#569CD6"), // blue - true, false, null
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number: chalk.hex("#B5CEA8"), // green - numbers
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string: chalk.hex("#CE9178"), // orange - strings
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regexp: chalk.hex("#D16969"), // red - regex
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symbol: chalk.hex("#B5CEA8"), // green - symbols
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class: chalk.hex("#4EC9B0"), // teal - class names
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function: chalk.hex("#DCDCAA"), // yellow - function names
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title: chalk.hex("#DCDCAA"), // yellow - titles/names
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params: chalk.hex("#9CDCFE"), // light blue - parameters
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comment: chalk.hex("#6A9955"), // green - comments
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doctag: chalk.hex("#608B4E"), // darker green - jsdoc tags
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meta: chalk.hex("#9CDCFE"), // light blue - meta/preprocessor
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"meta-keyword": chalk.hex("#C586C0"), // purple
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"meta-string": chalk.hex("#CE9178"), // orange
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section: chalk.hex("#DCDCAA"), // yellow - sections
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tag: chalk.hex("#569CD6"), // blue - HTML/XML tags
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name: chalk.hex("#9CDCFE"), // light blue - tag names
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attr: chalk.hex("#9CDCFE"), // light blue - attributes
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attribute: chalk.hex("#9CDCFE"), // light blue - attributes
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variable: chalk.hex("#9CDCFE"), // light blue - variables
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bullet: chalk.hex("#D7BA7D"), // gold - list bullets in markdown
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code: chalk.hex("#CE9178"), // orange - inline code
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emphasis: chalk.italic, // italic
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strong: chalk.bold, // bold
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formula: chalk.hex("#C586C0"), // purple - math
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link: chalk.hex("#4EC9B0"), // teal - links
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quote: chalk.hex("#6A9955"), // green - quotes
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addition: chalk.hex("#B5CEA8"), // green - diff additions
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deletion: chalk.hex("#F44747"), // red - diff deletions
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"selector-tag": chalk.hex("#D7BA7D"), // gold - CSS selectors
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"selector-id": chalk.hex("#D7BA7D"), // gold
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"selector-class": chalk.hex("#D7BA7D"), // gold
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"selector-attr": chalk.hex("#D7BA7D"), // gold
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"selector-pseudo": chalk.hex("#D7BA7D"), // gold
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"template-tag": chalk.hex("#C586C0"), // purple
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"template-variable": chalk.hex("#9CDCFE"), // light blue
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default: fallback, // fallback to code color
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};
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}
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