/
index.ts
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/
index.ts
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import { ChangelogFunctions } from "@changesets/types";
// @ts-ignore
import { config } from "dotenv";
import { getInfo, getInfoFromPullRequest } from "@changesets/get-github-info";
config();
const changelogFunctions: ChangelogFunctions = {
getDependencyReleaseLine: async (
changesets,
dependenciesUpdated,
options
) => {
if (!options.repo) {
throw new Error(
'Please provide a repo to this changelog generator like this:\n"changelog": ["@changesets/changelog-github", { "repo": "org/repo" }]'
);
}
if (dependenciesUpdated.length === 0) return "";
const changesetLink = `- Updated dependencies [${(
await Promise.all(
changesets.map(async (cs) => {
if (cs.commit) {
let { links } = await getInfo({
repo: options.repo,
commit: cs.commit,
});
return links.commit;
}
})
)
)
.filter((_) => _)
.join(", ")}]:`;
const updatedDepenenciesList = dependenciesUpdated.map(
(dependency) => ` - ${dependency.name}@${dependency.newVersion}`
);
return [changesetLink, ...updatedDepenenciesList].join("\n");
},
getReleaseLine: async (changeset, type, options) => {
if (!options || !options.repo) {
throw new Error(
'Please provide a repo to this changelog generator like this:\n"changelog": ["@changesets/changelog-github", { "repo": "org/repo" }]'
);
}
let prFromSummary: number | undefined;
let commitFromSummary: string | undefined;
let usersFromSummary: string[] = [];
const replacedChangelog = changeset.summary
.replace(/^\s*(?:pr|pull|pull\s+request):\s*#?(\d+)/im, (_, pr) => {
let num = Number(pr);
if (!isNaN(num)) prFromSummary = num;
return "";
})
.replace(/^\s*commit:\s*([^\s]+)/im, (_, commit) => {
commitFromSummary = commit;
return "";
})
.replace(/^\s*(?:author|user):\s*@?([^\s]+)/gim, (_, user) => {
usersFromSummary.push(user);
return "";
})
.trim();
const [firstLine, ...futureLines] = replacedChangelog
.split("\n")
.map((l) => l.trimRight());
const links = await (async () => {
if (prFromSummary !== undefined) {
let { links } = await getInfoFromPullRequest({
repo: options.repo,
pull: prFromSummary,
});
if (commitFromSummary) {
const shortCommitId = commitFromSummary.slice(0, 7);
links = {
...links,
commit: `[\`${shortCommitId}\`](https://github.com/${options.repo}/commit/${commitFromSummary})`,
};
}
return links;
}
const commitToFetchFrom = commitFromSummary || changeset.commit;
if (commitToFetchFrom) {
let { links } = await getInfo({
repo: options.repo,
commit: commitToFetchFrom,
});
return links;
}
return {
commit: null,
pull: null,
user: null,
};
})();
const users = usersFromSummary.length
? usersFromSummary
.map(
(userFromSummary) =>
`[@${userFromSummary}](https://github.com/${userFromSummary})`
)
.join(", ")
: links.user;
const prefix = [
links.pull === null ? "" : ` ${links.pull}`,
links.commit === null ? "" : ` ${links.commit}`,
users === null ? "" : ` Thanks ${users}!`,
].join("");
return `\n\n-${prefix ? `${prefix} -` : ""} ${firstLine}\n${futureLines
.map((l) => ` ${l}`)
.join("\n")}`;
},
};
export default changelogFunctions;