449dc55aaa
* chore: Upgrade Prettier 1.8 -> 2.0 * chore: Upgrade Babel 6 -> 7 * chore: Upgrade eslint plugins * chore: Add eslint import/order rules * chore: Update flow-typed deps
28 lines
938 B
JavaScript
28 lines
938 B
JavaScript
// @flow
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import { type Context } from "koa";
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import pkg from "rich-markdown-editor/package.json";
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import semver from "semver";
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import { EditorUpdateError } from "../../errors";
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export default function editor() {
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return async function editorMiddleware(ctx: Context, next: () => Promise<*>) {
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const clientVersion = ctx.headers["x-editor-version"];
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// If the editor version on the client is behind the current version being
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// served in production by either a minor (new features), or major (breaking
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// changes) then force a client reload.
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if (clientVersion) {
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const parsedClientVersion = semver.parse(clientVersion);
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const parsedCurrentVersion = semver.parse(pkg.version);
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if (
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parsedClientVersion.major < parsedCurrentVersion.major ||
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parsedClientVersion.minor < parsedCurrentVersion.minor
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) {
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throw new EditorUpdateError();
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}
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}
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return next();
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};
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}
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