Merge branch 'v2-prototype' into refactor/order-utils/for-v2

* v2-prototype:
  Set contract expiration time to a constant 10 minutes
  Remove unused promises array
  Make erc20_wrapper and erc721_wrapper serial
  Rename changelogs to changelog
  Add CHANGELOG entry
  Check that git branch is up to date before publishing
  Move prepublish checks before building packages for publishing
  Refactor changelog utils to a separate module

1 files changed, 64 insertions, 0 deletions

diff --git a/packages/monorepo-scripts/src/utils/utils.ts b/packages/monorepo-scripts/src/utils/utils.ts
new file mode 100644
index 000000000..8f2a0bbaa
--- /dev/null
+++ b/packages/monorepo-scripts/src/utils/utils.ts
@@ -0,0 +1,64 @@
+import * as fs from 'fs';
+import lernaGetPackages = require('lerna-get-packages');
+import * as _ from 'lodash';
+import { exec as execAsync, spawn } from 'promisify-child-process';
+
+import { constants } from '../constants';
+import { UpdatedPackage } from '../types';
+
+export const utils = {
+    log(...args: any[]): void {
+        console.log(...args); // tslint:disable-line:no-console
+    },
+    getNextPatchVersion(currentVersion: string): string {
+        const versionSegments = currentVersion.split('.');
+        const patch = _.parseInt(_.last(versionSegments) as string);
+        const newPatch = patch + 1;
+        const newPatchVersion = `${versionSegments[0]}.${versionSegments[1]}.${newPatch}`;
+        return newPatchVersion;
+    },
+    async prettifyAsync(filePath: string, cwd: string): Promise<void> {
+        await execAsync(`prettier --write ${filePath} --config .prettierrc`, {
+            cwd,
+        });
+    },
+    async getUpdatedLernaPackagesAsync(shouldIncludePrivate: boolean): Promise<LernaPackage[]> {
+        const updatedPublicPackages = await this.getLernaUpdatedPackagesAsync(shouldIncludePrivate);
+        const updatedPackageNames = _.map(updatedPublicPackages, pkg => pkg.name);
+
+        const allLernaPackages = lernaGetPackages(constants.monorepoRootPath);
+        const updatedPublicLernaPackages = _.filter(allLernaPackages, pkg => {
+            return _.includes(updatedPackageNames, pkg.package.name);
+        });
+        return updatedPublicLernaPackages;
+    },
+    async getLernaUpdatedPackagesAsync(shouldIncludePrivate: boolean): Promise<UpdatedPackage[]> {
+        const result = await execAsync(`${constants.lernaExecutable} updated --json`, {
+            cwd: constants.monorepoRootPath,
+        });
+        const updatedPackages = JSON.parse(result.stdout);
+        if (!shouldIncludePrivate) {
+            const updatedPublicPackages = _.filter(updatedPackages, updatedPackage => !updatedPackage.private);
+            return updatedPublicPackages;
+        }
+        return updatedPackages;
+    },
+    getChangelogJSONIfExists(changelogPath: string): string | undefined {
+        try {
+            const changelogJSON = fs.readFileSync(changelogPath, 'utf-8');
+            return changelogJSON;
+        } catch (err) {
+            return undefined;
+        }
+    },
+    getChangelogJSONOrCreateIfMissing(changelogPath: string): string {
+        const changelogIfExists = this.getChangelogJSONIfExists(changelogPath);
+        if (_.isUndefined(changelogIfExists)) {
+            // If none exists, create new, empty one.
+            const emptyChangelogJSON = JSON.stringify([]);
+            fs.writeFileSync(changelogPath, emptyChangelogJSON);
+            return emptyChangelogJSON;
+        }
+        return changelogIfExists;
+    },
+};