Files
Termix/scripts/check-button-colors.cjs
T

112 lines
3.4 KiB
JavaScript

#!/usr/bin/env node
/**
* Buttons are never white.
*
* Every Button variant is the brand orange with a different background
* opacity (or red for destructive, or transparent for ghost). Fails when a
* variant in src/ui/components/button.tsx uses a neutral fill, or when a
* <Button> anywhere in core or the local plugin checkouts sets a neutral fill
* in its className.
*/
const fs = require("node:fs");
const path = require("node:path");
const NEUTRAL =
/(?:^|[\s"'`])(?:dark:)?(?:bg-(?:primary|white|foreground|background|secondary|card|popover|muted|accent|input|neutral-\d+|zinc-\d+|gray-\d+|slate-\d+|stone-\d+)(?![\w-])|text-primary-foreground)/;
/** The opening tag text of each <Button ...> in a source file. */
function buttonTags(source) {
const tags = [];
const re = /<Button(?=[\s/>])/g;
let match;
while ((match = re.exec(source))) {
let depth = 0;
let quote = "";
let i = match.index + match[0].length;
for (; i < source.length; i++) {
const c = source[i];
if (quote) {
if (c === "\\") i++;
else if (c === quote) quote = "";
} else if (c === '"' || c === "'" || c === "`") quote = c;
else if (c === "{") depth++;
else if (c === "}") depth--;
else if (c === ">" && depth === 0) break;
}
tags.push(source.slice(match.index, i + 1));
}
return tags;
}
/** Variant strings from the cva block of button.tsx. */
function variantLines(source) {
const start = source.indexOf("variant: {");
const end = source.indexOf("size: {");
if (start < 0 || end < 0) return [];
return source
.slice(start, end)
.split("\n")
.filter((line) => /["`]/.test(line) && !line.includes("variant: {"));
}
function walk(dir, out) {
if (!fs.existsSync(dir)) return;
for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
if (["node_modules", "dist", "tests", "__fixtures__"].includes(entry.name))
continue;
const full = path.join(dir, entry.name);
if (entry.isDirectory()) walk(full, out);
else if (entry.name.endsWith(".tsx")) out.push(full);
}
}
/** Problems found under the given roots. */
function scan(roots, buttonFile) {
const problems = [];
if (buttonFile && fs.existsSync(buttonFile)) {
for (const line of variantLines(fs.readFileSync(buttonFile, "utf8"))) {
if (NEUTRAL.test(line)) {
problems.push(
`${buttonFile}: neutral fill in a variant: ${line.trim()}`,
);
}
}
}
const files = [];
for (const root of roots) walk(root, files);
for (const file of files) {
for (const tag of buttonTags(fs.readFileSync(file, "utf8"))) {
if (NEUTRAL.test(tag)) {
problems.push(
`${file}: <Button> with a neutral fill: ${tag.slice(0, 120)}`,
);
}
}
}
return problems;
}
module.exports = { scan, buttonTags, variantLines };
if (require.main === module) {
const core = path.resolve(__dirname, "..");
const plugins = path.resolve(core, "..", "Plugins");
const roots = [path.join(core, "src", "ui")];
if (fs.existsSync(plugins)) {
for (const entry of fs.readdirSync(plugins)) {
roots.push(path.join(plugins, entry, "src"));
}
}
const problems = scan(
roots,
path.join(core, "src", "ui", "components", "button.tsx"),
);
if (problems.length) {
console.error("Buttons must be the brand orange, never white or neutral:");
for (const p of problems) console.error(" " + p);
process.exit(1);
}
console.log("ok button colors");
}