Files
2026-08-11 17:41:36 +08:00

89 lines
2.5 KiB
JavaScript

const path = require('path');
const picomatch = require('picomatch');
const isGlob = require('is-glob');
function normalizeOptions(dir, opts = {}) {
const {ignore, ...rest} = opts;
if (Array.isArray(ignore)) {
opts = {...rest};
for (const value of ignore) {
if (value instanceof RegExp) {
if (value.flags !== '') {
throw new Error(
`RegExp ignore patterns must not have flags (got /${value.source}/${value.flags}). Flags are not supported by the native matcher.`,
);
}
if (!opts.ignoreGlobs) {
opts.ignoreGlobs = [];
}
// The native backend uses std::regex_match (full-string match), but
// callers expect JS .test() semantics (substring search). Wrapping the
// source in ^[\\s\\S]*(?:…)[\\s\\S]*$ achieves that. The (?:…) group
// isolates the source so leading/trailing | in the source stays contained.
opts.ignoreGlobs.push(`^[\\s\\S]*(?:${value.source})[\\s\\S]*$`);
} else if (isGlob(value)) {
if (!opts.ignoreGlobs) {
opts.ignoreGlobs = [];
}
const regex = picomatch.makeRe(value, {
// We set `dot: true` to workaround an issue with the
// regular expression on Linux where the resulting
// negative lookahead `(?!(\\/|^)` was never matching
// in some cases. See also https://bit.ly/3UZlQDm
dot: true,
windows: process.platform === 'win32',
});
opts.ignoreGlobs.push(regex.source);
} else {
if (!opts.ignorePaths) {
opts.ignorePaths = [];
}
opts.ignorePaths.push(path.resolve(dir, value));
}
}
}
return opts;
}
exports.createWrapper = (binding) => {
return {
writeSnapshot(dir, snapshot, opts) {
return binding.writeSnapshot(
path.resolve(dir),
path.resolve(snapshot),
normalizeOptions(dir, opts),
);
},
getEventsSince(dir, snapshot, opts) {
return binding.getEventsSince(
path.resolve(dir),
path.resolve(snapshot),
normalizeOptions(dir, opts),
);
},
async subscribe(dir, fn, opts) {
dir = path.resolve(dir);
opts = normalizeOptions(dir, opts);
await binding.subscribe(dir, fn, opts);
return {
unsubscribe() {
return binding.unsubscribe(dir, fn, opts);
},
};
},
unsubscribe(dir, fn, opts) {
return binding.unsubscribe(
path.resolve(dir),
fn,
normalizeOptions(dir, opts),
);
},
};
};