Installing dependencies.

node_modules/@semantic-release/github/lib/add-channel.js

@@ -0,0 +1,52 @@
+const debug = require('debug')('semantic-release:github');
+const {RELEASE_NAME} = require('./definitions/constants');
+const parseGithubUrl = require('./parse-github-url');
+const resolveConfig = require('./resolve-config');
+const getClient = require('./get-client');
+const isPrerelease = require('./is-prerelease');
+
+module.exports = async (pluginConfig, context) => {
+  const {
+    options: {repositoryUrl},
+    branch,
+    nextRelease: {name, gitTag, notes},
+    logger,
+  } = context;
+  const {githubToken, githubUrl, githubApiPathPrefix, proxy} = resolveConfig(pluginConfig, context);
+  const {owner, repo} = parseGithubUrl(repositoryUrl);
+  const github = getClient({githubToken, githubUrl, githubApiPathPrefix, proxy});
+  let releaseId;
+
+  const release = {owner, repo, name, prerelease: isPrerelease(branch), tag_name: gitTag};
+
+  debug('release object: %O', release);
+
+  try {
+    ({
+      data: {id: releaseId},
+    } = await github.repos.getReleaseByTag({owner, repo, tag: gitTag}));
+  } catch (error) {
+    if (error.status === 404) {
+      logger.log('There is no release for tag %s, creating a new one', gitTag);
+
+      const {
+        data: {html_url: url},
+      } = await github.repos.createRelease({...release, body: notes});
+
+      logger.log('Published GitHub release: %s', url);
+      return {url, name: RELEASE_NAME};
+    }
+
+    throw error;
+  }
+
+  debug('release release_id: %o', releaseId);
+
+  const {
+    data: {html_url: url},
+  } = await github.repos.updateRelease({...release, release_id: releaseId});
+
+  logger.log('Updated GitHub release: %s', url);
+
+  return {url, name: RELEASE_NAME};
+};