eslint-plugin-regexp
Version:
ESLint plugin for finding RegExp mistakes and RegExp style guide violations.
38 lines (37 loc) • 971 B
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.reversed = exports.toCodePoints = exports.cachedFn = exports.lazy = exports.assertNever = void 0;
function assertNever(value) {
throw new Error(`Invalid value: ${value}`);
}
exports.assertNever = assertNever;
function lazy(fn) {
let cached;
return () => {
if (cached === undefined) {
cached = fn();
}
return cached;
};
}
exports.lazy = lazy;
function cachedFn(fn) {
const cache = new WeakMap();
return (key) => {
let cached = cache.get(key);
if (cached === undefined) {
cached = fn(key);
cache.set(key, cached);
}
return cached;
};
}
exports.cachedFn = cachedFn;
function toCodePoints(s) {
return [...s].map((c) => c.codePointAt(0));
}
exports.toCodePoints = toCodePoints;
function reversed(iter) {
return [...iter].reverse();
}
exports.reversed = reversed;