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phx-changes-check.ts
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phx-changes-check.ts
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import { Octokit } from "@octokit/core";
const CURRENT_TAG = "v1.7.14";
const CHANGE_TRACKED_DIRECTORY = "assets/";
const TS_OWNER = "tylerbarker";
const TS_REPO = "phoenix_ts";
const PHX_OWNER = "phoenixframework";
const PHX_REPO = "phoenix";
const ISSUE_ASSIGNEES = ["tylerbarker"];
const octokit = new Octokit({ auth: process.env.GH_TOKEN });
const issueTitle = (tag: string) => `Phoenix ${tag} released`;
async function listIssueTitles(owner: string, repo: string): Promise<string[]> {
try {
const response = await octokit.request("GET /repos/{owner}/{repo}/issues", {
owner,
repo,
});
// Filter out PRs if they appear in the issues endpoint
return response.data
.filter((issue) => !issue.pull_request)
.map((issue) => issue.title);
} catch (error: any) {
console.error(`Error listing issues: ${error.message}`);
throw Error(error.message);
}
}
async function maybeCreateIssue(
owner: string,
repo: string,
title: string,
body: string,
assignees: string[],
tag: string,
) {
try {
const issueTitles = await listIssueTitles(owner, repo);
const issueNotExists = !issueTitles.includes(title);
if (issueNotExists) {
const response = await octokit.request(
"POST /repos/{owner}/{repo}/issues",
{
assignees,
owner,
repo,
title,
body,
labels: ["automated"],
},
);
console.info(`Issue created: ${response.data.html_url}`);
} else {
console.info(
`Issue already exists for tag ${tag}. Skipping issue creation.`,
);
}
} catch (error: any) {
console.error(`Error creating issue: ${error.message}`);
throw Error(error.message);
}
}
async function fetchTags(owner: string, repo: string) {
try {
const response = await octokit.request("GET /repos/{owner}/{repo}/tags", {
owner,
repo,
});
return response.data.map((tag) => tag.name);
} catch (error: any) {
console.error(`Error fetching tags: ${error.message}`);
throw Error(error.message);
}
}
async function fetchDirectoryChanges(
owner: string,
repo: string,
baseTag: string,
latestTag: string,
directory: string,
) {
try {
const response = await octokit.request(
"GET /repos/{owner}/{repo}/compare/{base}...{head}",
{
owner,
repo,
base: baseTag,
head: latestTag,
},
);
if (response && response.data.files) {
// Filter out changes that are not in the specified directory
const changesInDirectory = response.data.files.filter((file) =>
file.filename.startsWith(directory),
);
changesInDirectory.forEach((change) =>
console.info(`${change.filename}: ${change.status}`),
);
return changesInDirectory;
}
} catch (error: any) {
console.error(`Error fetching data: ${error.message}`);
throw Error(error.message);
}
}
async function checkForNewVersionAndCompare(
owner: string,
repo: string,
currentTag: string,
directory: string,
) {
const tags = await fetchTags(owner, repo);
const latestTag = tags[0];
console.info(`Current tag: ${currentTag}`);
console.info(`Latest tag: ${latestTag}`);
if (currentTag !== latestTag) {
console.info(`Newer version found. Comparing changes...`);
const changedFiles = await fetchDirectoryChanges(
owner,
repo,
currentTag,
latestTag,
directory,
);
if (changedFiles) {
return { changedFiles, latestTag };
} else {
throw Error(
`Octokit returned undefined changed files for tag ${latestTag}.`,
);
}
} else {
console.info(`No newer version found. No changed files to compare.`);
return { changedFiles: [], latestTag };
}
}
async function main() {
try {
const { changedFiles, latestTag } = await checkForNewVersionAndCompare(
PHX_OWNER,
PHX_REPO,
CURRENT_TAG,
CHANGE_TRACKED_DIRECTORY,
);
if (CURRENT_TAG !== latestTag) {
const title = issueTitle(latestTag);
let issueBodyItems = changedFiles.map(
(file) =>
`- [${(file as any).filename}](${(file as any).blob_url}): ${(file as any).status}`,
);
if (!issueBodyItems.length) {
issueBodyItems.push(
`No JavaScript changes detected in Phoenix ${latestTag}. Bump version to assure compatibility.`,
);
}
issueBodyItems.unshift(`# Change Overview`);
const body = issueBodyItems.join("\n");
await maybeCreateIssue(
TS_OWNER,
TS_REPO,
title,
body,
ISSUE_ASSIGNEES,
latestTag,
);
} else {
console.info("phoenix_ts is up to date.");
}
} catch (error) {
console.error(`Error: ${error.message}`);
throw Error(error.message);
}
}
main();