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node_modules/server/error/README.md

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+# Experimental syntax proposal
+
+```js
+// Using a factory
+const ErrorFactory = require('server/error');
+const ServerError = ErrorFactory('/server/', {});
+
+const ErrorFactory = require('server/error');
+class ServerError extends ErrorFactory {
+  namespace: '/server',
+  url: ({ id }) => ...,
+  status: 500
+}
+
+// Using the plain import method
+const ServerError = require('server/error')('/server/');
+const ServerError = require('server/error')('/server/', {
+  namespace: '/server/',
+  url: ({ slug }) => `https://serverjs.io/documentation/errors/#${slug}`,
+  status: 500,
+});
+const ServerError = require('server/error')({
+  namespace: '/server/'
+});
+
+const SassError = require('server/error')({
+  namespace: '/plugin/sass',
+  url: ({ slug }) => `https://serverjs.io/documentation/errors/#${slug}`,
+});
+
+const ServerError = require('server/error');
+
+const SassError = ServerError(null, {
+  namespace: '/plugin/sass',
+  status: 500
+});
+
+const SassError = ServerError.defaults({
+  namespace: '/plugin/sass/',
+  status: 500
+});
+
+SassError.exists = ({ file }) => `
+The file "${file}" already exists. Please rename it or remove it so @sass/server
+can work properly. <3
+`;
+
+throw new SassError('exists');
+throw new SassError('exists', { status: 500 });
+throw new SassError('exists', { file: FILENAME });
+```