4 files changed, 175 insertions, 0 deletions
diff --git a/packages/monorepo-scripts/src/globals.d.ts b/packages/monorepo-scripts/src/globals.d.ts
new file mode 100644
index 000000000..757ae4097
--- /dev/null
+++ b/packages/monorepo-scripts/src/globals.d.ts
@@ -0,0 +1,8 @@
+declare module 'async-child-process';
+declare module 'publish-release';
+declare module 'es6-promisify';
+
+// semver-sort declarations
+declare module 'semver-sort' {
+    const desc: (versions: string[]) => string[];
+}
diff --git a/packages/monorepo-scripts/src/index.ts b/packages/monorepo-scripts/src/index.ts
new file mode 100644
index 000000000..95c96ebe8
--- /dev/null
+++ b/packages/monorepo-scripts/src/index.ts
@@ -0,0 +1 @@
+export { postpublishUtils } from './postpublish_utils';
diff --git a/packages/monorepo-scripts/src/postpublish_utils.ts b/packages/monorepo-scripts/src/postpublish_utils.ts
new file mode 100644
index 000000000..898b00c47
--- /dev/null
+++ b/packages/monorepo-scripts/src/postpublish_utils.ts
@@ -0,0 +1,161 @@
+import { execAsync } from 'async-child-process';
+import * as promisify from 'es6-promisify';
+import * as _ from 'lodash';
+import * as publishRelease from 'publish-release';
+import semverSort = require('semver-sort');
+
+import { utils } from './utils';
+
+const publishReleaseAsync = promisify(publishRelease);
+const githubPersonalAccessToken = process.env.GITHUB_PERSONAL_ACCESS_TOKEN_0X_JS;
+const generatedDocsDirectoryName = 'generated_docs';
+
+export interface PostpublishConfigs {
+    cwd: string;
+    packageName: string;
+    version: string;
+    assets: string[];
+    docPublishConfigs: DocPublishConfigs;
+}
+
+export interface DocPublishConfigs {
+    fileIncludes: string[];
+    s3BucketPath: string;
+    s3StagingBucketPath: string;
+}
+
+export const postpublishUtils = {
+    generateConfig(packageJSON: any, tsConfigJSON: any, cwd: string): PostpublishConfigs {
+        if (_.isUndefined(packageJSON.name)) {
+            throw new Error('name field required in package.json. Cannot publish release notes to Github.');
+        }
+        if (_.isUndefined(packageJSON.version)) {
+            throw new Error('version field required in package.json. Cannot publish release notes to Github.');
+        }
+        const postpublishConfig = _.get(packageJSON, 'config.postpublish', {});
+        const configs: PostpublishConfigs = {
+            cwd,
+            packageName: packageJSON.name,
+            version: packageJSON.version,
+            assets: _.get(postpublishConfig, 'assets', []),
+            docPublishConfigs: {
+                fileIncludes: [
+                    ...tsConfigJSON.include,
+                    ..._.get(postpublishConfig, 'docPublishConfigs.extraFileIncludes', []),
+                ],
+                s3BucketPath: _.get(postpublishConfig, 'docPublishConfigs.s3BucketPath'),
+                s3StagingBucketPath: _.get(postpublishConfig, 'docPublishConfigs.s3StagingBucketPath'),
+            },
+        };
+        return configs;
+    },
+    async runAsync(packageJSON: any, tsConfigJSON: any, cwd: string): Promise<void> {
+        const configs = this.generateConfig(packageJSON, tsConfigJSON, cwd);
+        const release = await this.publishReleaseNotesAsync(
+            configs.cwd,
+            configs.packageName,
+            configs.version,
+            configs.assets,
+        );
+        if (
+            !_.isUndefined(configs.docPublishConfigs.s3BucketPath) ||
+            !_.isUndefined(configs.docPublishConfigs.s3StagingBucketPath)
+        ) {
+            utils.log('POSTPUBLISH: Release successful, generating docs...');
+            await postpublishUtils.generateAndUploadDocsAsync(
+                configs.cwd,
+                configs.docPublishConfigs.fileIncludes,
+                configs.version,
+                configs.docPublishConfigs.s3BucketPath,
+            );
+        } else {
+            utils.log(`POSTPUBLISH: No S3Bucket config found for ${packageJSON.name}. Skipping doc JSON generation.`);
+        }
+    },
+    async publishDocsToStagingAsync(packageJSON: any, tsConfigJSON: any, cwd: string) {
+        const configs = this.generateConfig(packageJSON, tsConfigJSON, cwd);
+        if (_.isUndefined(configs.docPublishConfigs.s3StagingBucketPath)) {
+            utils.log('config.postpublish.docPublishConfigs.s3StagingBucketPath entry in package.json not found!');
+            return;
+        }
+
+        utils.log('POSTPUBLISH: Generating docs...');
+        await postpublishUtils.generateAndUploadDocsAsync(
+            configs.cwd,
+            configs.docPublishConfigs.fileIncludes,
+            configs.version,
+            configs.docPublishConfigs.s3StagingBucketPath,
+        );
+    },
+    async publishReleaseNotesAsync(cwd: string, packageName: string, version: string, assets: string[]): Promise<void> {
+        const releaseName = this.getReleaseName(packageName, version);
+        const tag = this.getTag(packageName, version);
+        utils.log('POSTPUBLISH: Releasing ', releaseName, '...');
+        const finalAssets = this.adjustAssetPaths(cwd, assets);
+        const result = await publishReleaseAsync({
+            token: githubPersonalAccessToken,
+            owner: '0xProject',
+            repo: '0x-monorepo',
+            tag,
+            name: releaseName,
+            notes: 'N/A',
+            draft: false,
+            prerelease: false,
+            reuseRelease: true,
+            reuseDraftOnly: false,
+            assets,
+        });
+    },
+    getTag(packageName: string, version: string) {
+        return `${packageName}@${version}`;
+    },
+    getReleaseName(subPackageName: string, version: string): string {
+        const releaseName = `${subPackageName} v${version}`;
+        return releaseName;
+    },
+    adjustAssetPaths(cwd: string, assets: string[]) {
+        const finalAssets: string[] = [];
+        _.each(assets, (asset: string) => {
+            finalAssets.push(`${cwd}/${asset}`);
+        });
+        return finalAssets;
+    },
+    adjustFileIncludePaths(fileIncludes: string[], cwd: string): string[] {
+        const fileIncludesAdjusted = _.map(fileIncludes, fileInclude => {
+            let path = _.startsWith(fileInclude, './') ? `${cwd}/${fileInclude.substr(2)}` : `${cwd}/${fileInclude}`;
+
+            // HACK: tsconfig.json needs wildcard directory endings as `/**/*`
+            // but TypeDoc needs it as `/**` in order to pick up files at the root
+            if (_.endsWith(path, '/**/*')) {
+                path = path.slice(0, -2);
+            }
+            return path;
+        });
+        return fileIncludesAdjusted;
+    },
+    async generateAndUploadDocsAsync(cwd: string, fileIncludes: string[], version: string, S3BucketPath: string) {
+        const fileIncludesAdjusted = this.adjustFileIncludePaths(fileIncludes, cwd);
+        const projectFiles = fileIncludesAdjusted.join(' ');
+        const jsonFilePath = `${cwd}/${generatedDocsDirectoryName}/index.json`;
+        const result = await execAsync(
+            `JSON_FILE_PATH=${jsonFilePath} PROJECT_FILES="${projectFiles}" yarn docs:json`,
+            {
+                cwd,
+            },
+        );
+        if (!_.isEmpty(result.stderr)) {
+            throw new Error(result.stderr);
+        }
+        const fileName = `v${version}.json`;
+        utils.log(`POSTPUBLISH: Doc generation successful, uploading docs... as ${fileName}`);
+        const s3Url = S3BucketPath + fileName;
+        await execAsync(`S3_URL=${s3Url} yarn upload_docs_json`, {
+            cwd,
+        });
+        // Remove the generated docs directory
+        await execAsync(`rm -rf ${generatedDocsDirectoryName}`, {
+            cwd,
+        });
+        utils.log(`POSTPUBLISH: Docs uploaded to S3 bucket: ${S3BucketPath}`);
+    },
+};
diff --git a/packages/monorepo-scripts/src/utils.ts b/packages/monorepo-scripts/src/utils.ts
new file mode 100644
index 000000000..5423cabd9
--- /dev/null
+++ b/packages/monorepo-scripts/src/utils.ts
@@ -0,0 +1,5 @@
+export const utils = {
+    log(...args: any[]): void {
+        console.log(...args); // tslint:disable-line:no-console
+    },
+};