gistfile1.txt

$ grep 'deepEqual' -r node_modules/ | grep -v test | grep 'js:'
node_modules//assert/assert.js:// assert.deepEqual(actual, expected, message_opt);
node_modules//assert/assert.js:assert.deepEqual = function deepEqual(actual, expected, message) {
node_modules//assert/assert.js:  if (!_deepEqual(actual, expected)) {
node_modules//assert/assert.js:    fail(actual, expected, message, 'deepEqual', assert.deepEqual);
node_modules//assert/assert.js:function _deepEqual(actual, expected) {
node_modules//assert/assert.js:    return _deepEqual(a, b);
node_modules//assert/assert.js:    if (!_deepEqual(a[key], b[key])) return false;
node_modules//assert/assert.js:  if (_deepEqual(actual, expected)) {
node_modules//hoek/lib/index.js:exports.deepEqual = function (obj, ref, options, seen) {
node_modules//hoek/lib/index.js:                    if (exports.deepEqual(obj[i], ref[r], options, seen)) {
node_modules//hoek/lib/index.js:            if (!exports.deepEqual(obj[i], ref[i], options, seen)) {
node_modules//hoek/lib/index.js:            if (!exports.deepEqual(descriptor, Object.getOwnPropertyDescriptor(ref, key), options, seen)) {
node_modules//hoek/lib/index.js:        else if (!exports.deepEqual(obj[key], ref[key], options, seen)) {
node_modules//hoek/lib/index.js:        compare = exports.deepEqual;
node_modules//jsprim/lib/jsprim.js:exports.deepEqual = deepEqual;
node_modules//jsprim/lib/jsprim.js:function deepEqual(obj1, obj2)
node_modules//jsprim/lib/jsprim.js:		if (!deepEqual(obj1[k], obj2[k]))
node_modules//sshpk/lib/dhe.js:		assert.deepEqual(pk.part.p, this._p,
node_modules//sshpk/lib/dhe.js:		assert.deepEqual(pk.part.g, this._g,
node_modules//tough-cookie/lib/cookie.js:    enumerable: false, // important for assert.deepEqual checks

$ ls node_modules/ | wc
     394     394    4503