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openchamber/packages/web/server/lib/opencode/path-utils.js
T

101 lines
2.9 KiB
JavaScript

/**
* Shared PATH heuristics and merge utilities for server and Electron runtimes.
*
* The heuristic decides whether the current process.env.PATH looks like it was
* configured by the user (or their session manager) vs. a minimal system default.
* When the PATH looks user-configured we keep it; otherwise we prefer the login
* shell PATH which typically has the full toolchain.
*/
const TOOLCHAIN_SEGMENTS = [
'/opt/homebrew/',
'/opt/pkg/',
'/opt/pmk/',
'/snap/',
];
const TOOLCHAIN_BASENAMES = new Set([
'.cargo',
'.bun',
'.nvm',
'.pyenv',
'.rbenv',
'.sdkman',
'.asdf',
'.volta',
'.fnm',
'.local',
'.opencode',
'node_modules',
]);
/**
* Returns true when `value` (a PATH string) contains at least one segment that
* suggests the PATH was configured by the user or their session manager rather
* than being a bare system default.
*
* @param {string} value - The PATH string to inspect.
* @param {string} home - The user's home directory (os.homedir()).
* @param {string} delim - The PATH delimiter (':' on POSIX, ';' on Windows).
*/
export function pathLooksUserConfigured(value, home, delim) {
if (typeof value !== 'string' || !value) {
return false;
}
const normalizedHome = typeof home === 'string' ? home.replaceAll('\\', '/') : '';
const homeWithSep = normalizedHome ? normalizedHome + '/' : '';
return value.split(delim).some((segment) => {
if (!segment) return false;
const normalizedSegment = segment.replaceAll('\\', '/');
// Any path under the user's home directory.
if (normalizedHome && (normalizedSegment === normalizedHome || normalizedSegment.startsWith(homeWithSep))) {
return true;
}
// Well-known package-manager / toolchain prefixes.
if (TOOLCHAIN_SEGMENTS.some((prefix) => normalizedSegment.startsWith(prefix))) {
return true;
}
// Well-known dot-directories inside home (e.g. ~/.cargo/bin).
const parts = normalizedSegment.split('/').filter(Boolean);
if (parts.some((part) => TOOLCHAIN_BASENAMES.has(part))) {
return true;
}
return false;
});
}
/**
* Merges two PATH strings, deduplicating segments while preserving the order of
* `primary` and appending any segments from `fallback` that are not already
* present.
*
* @param {string} primary - The preferred PATH (e.g. user-configured or login shell).
* @param {string} fallback - The secondary PATH to fill gaps from.
* @param {string} delim - The PATH delimiter.
*/
export function mergePathValues(primary, fallback, delim) {
const seen = new Set();
const result = [];
const addSegments = (value) => {
if (typeof value !== 'string' || !value) return;
for (const segment of value.split(delim)) {
if (segment && !seen.has(segment)) {
seen.add(segment);
result.push(segment);
}
}
};
addSegments(primary);
addSegments(fallback);
return result.join(delim);
}