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dangerfile.js
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dangerfile.js
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const { danger, fail, warn } = require("danger");
const commitFiles = [
...danger.git.created_files,
...danger.git.deleted_files,
...danger.git.modified_files,
];
const RegExps = {
lockfile: /(.*)package-lock\.json/i,
packageJson: /(.*)package\.json/i,
alphaBeta: /alpha|beta/i,
};
/** Compare whether the corresponding *same-level* dirs under the repo have been modified at the same time
* @param {String} rootDir Corresponds to the root path of the directory at the same level,
* @param {String[]} ranges Corresponding to the same level directories
* @returns {String[]} The modified directory path
*/
const dirChangedInSameMR = (rootDir, ranges) => {
const hasRangeChanged = ranges.map((part) => {
const path = `${rootDir}/${part}/`;
return !!find(commitFiles, (commitFile) => commitFile.startsWith(path));
});
for (let i = 0; i < hasRangeChanged.length; i++) {
if (hasRangeChanged[i]) {
const modified = hasRangeChanged
.map((range, idx) => (range ? `${rootDir}/${ranges[idx]}` : ""))
.filter(Boolean);
if (modified) {
return modified;
}
}
}
return [];
};
const formatMessages = (summary = "", mdContent = []) => {
return `
<details><summary>${summary}</summary>
${mdContent.join("\r\n")}
</details>`;
};
function lockfileCheck() {
for (let commitFile of commitFiles) {
const matched = commitFile.match(RegExps.lockfile);
if (matched) {
const hasPackageChanges = !!commitFiles.some(
(modified) => modified === `${matched[1]}package.json`
);
if (!hasPackageChanges) {
fail(
`There are \`${commitFile}\` changes with no corresponding package.json changes`
);
}
}
}
}
function requireModifyCheck(config = ["CHANGELOG.md", "README.md"]) {
const modified = danger.git.modified_files;
const failedReasons = [];
for (let cfg of config) {
if (!modified.includes(cfg)) {
failedReasons.push(`- ${cfg}`);
}
}
if (failedReasons.length > 0) {
warn(
formatMessages(
"There are files that must be modified but this MR does not include",
failedReasons
)
);
}
return true;
}
function versionCheck() {
const noBeta = true;
const locked = [
{
name: "danger",
reason: "https://github.com/danger/danger-js/issues/1106",
version: "10.6.0",
},
];
for (let commitFile of commitFiles) {
if (commitFile.match(RegExps.packageJson)) {
danger.git.JSONDiffForFile(commitFile).then((packageDiff) => {
const dpd = Object.assign(
packageDiff.dependencies,
packageDiff.devDependencies
);
Object.entries(dpd.after).forEach(([pck, newVer]) => {
const lockedPck = locked.find((value) => value.name === pck);
const trimmedVer = String(newVer).trim();
if (lockedPck && !!newVer) {
const lockedVer = lockedPck.version;
if (trimmedVer !== lockedVer) {
fail(
`Do not upgrade \`${lockedPck.name}\`, due to: ${lockedPck.reason}`
);
}
}
if (noBeta)
if (trimmedVer.match(RegExps.alphaBeta)) {
fail(`Do not contain beta version of \`${pck}\``);
}
});
});
}
}
}
function mrInfoCheck() {
if (danger.gitlab.mr.description.length < 10) {
warn("This MR needs a sufficiently accurate description.");
}
if (danger.gitlab.mr.title.toLocaleUpperCase().includes("WIP")) {
warn(
"If you want merge this MR, it's required to rename WIP part to something else."
);
}
}
function rangeCheck() {
// match specific repo
if (danger.gitlab.metadata.repoSlug.match(/.*(your-project).*/gi)) {
const modified = dirChangedInSameMR("src/pages", [
"Group1",
"Group2",
"Group3",
"Group4",
]);
if (modified.length > 0) {
warn(`
### This MR modified files belonging to other groups!
${formatMessages("Modified ranges", modified)}`);
}
}
}
function branchCheck() {
if (
["master", "main", "develop", "dev", "qa"].indexOf(
danger.gitlab.mr.target_branch
) < 0
) {
process.exit(0);
}
}
branchCheck();
mrInfoCheck();
rangeCheck();
requireModifyCheck();
lockfileCheck();
versionCheck();