diff --git a/nodejs-pretty-bytes.spec b/nodejs-pretty-bytes.spec
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--- /dev/null
+++ b/nodejs-pretty-bytes.spec
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+%{?nodejs_find_provides_and_requires}
+%global enable_tests 0
+Name:                nodejs-pretty-bytes
+Version:             4.0.2
+Release:             1
+Summary:             Convert bytes to a human readable string
+License:             MIT
+URL:                 https://github.com/sindresorhus/pretty-bytes
+Source0:             http://registry.npmjs.org/pretty-bytes/-/pretty-bytes-%{version}.tgz
+Source1:             https://raw.githubusercontent.com/sindresorhus/pretty-bytes/v%{version}/test.js
+BuildArch:           noarch
+ExclusiveArch:       %{nodejs_arches} noarch
+BuildRequires:       nodejs-packaging
+%if 0%{?enable_tests}
+BuildRequires:       npm(ava)
+%endif
+%description
+%{summary}.
+
+%prep
+%setup -q -n package
+cp -p %{SOURCE1} .
+
+%build
+
+%install
+mkdir -p %{buildroot}%{nodejs_sitelib}/pretty-bytes
+cp -pr package.json *.js \
+    %{buildroot}%{nodejs_sitelib}/pretty-bytes
+mkdir -p %{buildroot}%{_bindir}
+ln -sf %{nodejs_sitelib}/pretty-bytes/cli.js \
+    %{buildroot}%{_bindir}/pretty-bytes
+%nodejs_symlink_deps
+
+%check
+%nodejs_symlink_deps --check
+%{__nodejs} -e 'require("./")'
+%if 0%{?enable_tests}
+%{_bindir}/ava
+%else
+%{_bindir}/echo -e "\e[101m -=#=- Tests disabled -=#=- \e[0m"
+%endif
+
+%files
+%{!?_licensedir:%global license %doc}
+%license license
+%doc readme.md
+%{nodejs_sitelib}/pretty-bytes
+%{_bindir}/pretty-bytes
+
+%changelog
+* Thu Aug 20 2020 wangchong <wangchong56@huawei.com> - 4.0.2-1
+- package init
diff --git a/nodejs-pretty-bytes.yaml b/nodejs-pretty-bytes.yaml
new file mode 100644
index 0000000..9dcfd2d
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+++ b/nodejs-pretty-bytes.yaml
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+version-control: github
+src_repo: sindresorhus/pretty-bytes
+tag_prefix: ^v
+seperator: .
diff --git a/pretty-bytes-4.0.2.tgz b/pretty-bytes-4.0.2.tgz
new file mode 100644
index 0000000..95ccc2b
Binary files /dev/null and b/pretty-bytes-4.0.2.tgz differ
diff --git a/test.js b/test.js
new file mode 100644
index 0000000..c3d7f03
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+++ b/test.js
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+import test from 'ava';
+import m from './';
+
+test('throws on invalid input', t => {
+	t.throws(() => m(''));
+	t.throws(() => m('1'));
+	t.throws(() => m(NaN));
+	t.throws(() => m(true));
+	t.throws(() => m(Infinity));
+	t.throws(() => m(-Infinity));
+	t.throws(() => m(null));
+});
+
+test('converts bytes to human readable strings', t => {
+	t.is(m(0), '0 B');
+	t.is(m(0.4), '0.4 B');
+	t.is(m(0.7), '0.7 B');
+	t.is(m(10), '10 B');
+	t.is(m(10.1), '10.1 B');
+	t.is(m(999), '999 B');
+	t.is(m(1001), '1 kB');
+	t.is(m(1001), '1 kB');
+	t.is(m(1e16), '10 PB');
+	t.is(m(1e30), '1000000 YB');
+});
+
+test('supports negative number', t => {
+	t.is(m(-0.4), '-0.4 B');
+	t.is(m(-0.7), '-0.7 B');
+	t.is(m(-10.1), '-10.1 B');
+	t.is(m(-999), '-999 B');
+	t.is(m(-1001), '-1 kB');
+});