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author | Fabio Berger <me@fabioberger.com> | 2018-03-29 21:26:47 +0800 |
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committer | Fabio Berger <me@fabioberger.com> | 2018-03-29 21:26:47 +0800 |
commit | a6ae1efadb83366e6af89daa183adb51fdeea3b8 (patch) | |
tree | 5b0e8ed6b9a5e644a4418daf1bc6caec220426d9 /packages/monorepo-scripts/src | |
parent | bd7b5c51b2be9140c9d5ba3ca208ba4231eca83c (diff) | |
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Begin global pre-publishing script. Updates changelog.json files in packages to be published
Diffstat (limited to 'packages/monorepo-scripts/src')
-rw-r--r-- | packages/monorepo-scripts/src/custom_prepublish.ts | 117 | ||||
-rw-r--r-- | packages/monorepo-scripts/src/globals.d.ts | 1 |
2 files changed, 118 insertions, 0 deletions
diff --git a/packages/monorepo-scripts/src/custom_prepublish.ts b/packages/monorepo-scripts/src/custom_prepublish.ts new file mode 100644 index 000000000..7f0e186bd --- /dev/null +++ b/packages/monorepo-scripts/src/custom_prepublish.ts @@ -0,0 +1,117 @@ +#!/usr/bin/env node + +import * as fs from 'fs'; +import lernaGetPackages = require('lerna-get-packages'); +import * as _ from 'lodash'; +import * as moment from 'moment'; +import * as path from 'path'; +import { exec as execAsync } from 'promisify-child-process'; +import semverSort = require('semver-sort'); + +import { Changelog, Changes, UpdatedPackage } from './types'; +import { utils } from './utils'; + +const MONOREPO_ROOT_PATH = path.join(__dirname, '../../..'); +const TODAYS_TIMESTAMP = moment().unix(); + +(async () => { + const updatedPublicPackages = await getPublicLernaUpdatedPackagesAsync(); + const updatedPackageNames = _.map(updatedPublicPackages, pkg => pkg.name); + + const allLernaPackages = lernaGetPackages(MONOREPO_ROOT_PATH); + const relevantLernaPackages = _.filter(allLernaPackages, pkg => { + return _.includes(updatedPackageNames, pkg.package.name); + }); + _.each(relevantLernaPackages, lernaPackage => { + const changelogJSONPath = path.join(lernaPackage.location, 'CHANGELOG.json'); + const changelogJSON = getChangelogJSONOrCreateIfMissing(lernaPackage.package.name, changelogJSONPath); + let changelogs: Changelog[]; + try { + changelogs = JSON.parse(changelogJSON); + } catch (err) { + throw new Error( + `${lernaPackage.package.name}'s CHANGELOG.json contains invalid JSON. Please fix and try again.`, + ); + } + + const currentVersion = lernaPackage.package.version; + const shouldAddNewEntry = shouldAddNewChangelogEntry(changelogs); + if (shouldAddNewEntry) { + // Create a new entry for a patch version with generic changelog entry. + const nextPatchVersion = utils.getNextPatchVersion(currentVersion); + const newChangelogEntry: Changelog = { + timestamp: TODAYS_TIMESTAMP, + version: nextPatchVersion, + changes: [ + { + note: 'Dependencies updated', + }, + ], + }; + changelogs = [newChangelogEntry, ...changelogs]; + } else { + // Update existing entry with timestamp + const lastEntry = changelogs[0]; + if (_.isUndefined(lastEntry.timestamp)) { + lastEntry.timestamp = TODAYS_TIMESTAMP; + } + // Check version number is correct. + const proposedNextVersion = lastEntry.version; + lastEntry.version = updateVersionNumberIfNeeded(currentVersion, proposedNextVersion); + changelogs[0] = lastEntry; + } + + // Save updated CHANGELOG.json + fs.writeFileSync(changelogJSONPath, JSON.stringify(changelogs, null, '\t')); + // Generate updated CHANGELOG.md + const changelogMd = generateChangelogMd(changelogs); + }); +})().catch(err => { + utils.log(err); + process.exit(1); +}); + +async function getPublicLernaUpdatedPackagesAsync(): Promise<UpdatedPackage[]> { + const result = await execAsync(`./node_modules/lerna/bin/lerna.js updated --json`, { cwd: MONOREPO_ROOT_PATH }); + const updatedPackages = JSON.parse(result.stdout); + const updatedPublicPackages = _.filter(updatedPackages, updatedPackage => !updatedPackage.private); + return updatedPublicPackages; +} + +function updateVersionNumberIfNeeded(currentVersion: string, proposedNextVersion: string) { + console.log('currentVersion', currentVersion); + console.log('proposedNextVersion', proposedNextVersion); + if (proposedNextVersion === currentVersion) { + return utils.getNextPatchVersion(currentVersion); + } + const sortedVersions = semverSort.desc([proposedNextVersion, currentVersion]); + if (sortedVersions[0] !== proposedNextVersion) { + return utils.getNextPatchVersion(currentVersion); + } + return proposedNextVersion; +} + +function getChangelogJSONOrCreateIfMissing(packageName: string, changelogPath: string): string { + let changelogJSON: string; + try { + changelogJSON = fs.readFileSync(changelogPath, 'utf-8'); + return changelogJSON; + } catch (err) { + // If none exists, create new, empty one. + const emptyChangelogJSON = JSON.stringify([]); + fs.writeFileSync(changelogPath, emptyChangelogJSON); + return emptyChangelogJSON; + } +} + +function shouldAddNewChangelogEntry(changelogs: Changelog[]): boolean { + if (_.isEmpty(changelogs)) { + return true; + } + const lastEntry = changelogs[0]; + return !!lastEntry.isPublished; +} + +function generateChangelogMd(changelogs: Changelog[]): string { + return ''; +} diff --git a/packages/monorepo-scripts/src/globals.d.ts b/packages/monorepo-scripts/src/globals.d.ts index 1d49559f2..90adc0b78 100644 --- a/packages/monorepo-scripts/src/globals.d.ts +++ b/packages/monorepo-scripts/src/globals.d.ts @@ -11,6 +11,7 @@ declare interface LernaPackage { location: string; package: { private?: boolean; + version: string; name: string; main?: string; config?: { |