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import { readFileSync, writeFileSync } from 'fs';
import * as _ from 'lodash';
import * as path from 'path';
import { exec as execAsync } from 'promisify-child-process';
import * as ts from 'typescript';
import * as yargs from 'yargs';
import { constants } from './constants';
import { utils } from './utils/utils';
export interface ExportPathToExportedItems {
[pkgName: string]: string[];
}
const args = yargs
.option('package', {
describe: 'Monorepo sub-package for which to generate DocJSON',
type: 'string',
demandOption: true,
})
.option('isStaging', {
describe: 'Whether we with to publish docs to staging or production',
type: 'boolean',
demandOption: true,
})
.example("$0 --package '0x.js' --isStaging true", 'Full usage example').argv;
(async () => {
const packageName = args.package;
const isStaging = args.isStaging;
await generateAndUploadDocsAsync(packageName, isStaging);
})();
export async function generateAndUploadDocsAsync(packageName: string, isStaging: boolean): Promise<void> {
const pathToPackage = `${constants.monorepoRootPath}/packages/${packageName}`;
const indexPath = `${pathToPackage}/src/index.ts`;
const exportPathToExportedItems = getExportPathToExportedItems(indexPath);
const monorepoPackages = utils.getPackages(constants.monorepoRootPath);
const pkg = _.find(monorepoPackages, monorepoPackage => {
return _.includes(monorepoPackage.packageJson.name, packageName);
});
if (_.isUndefined(pkg)) {
throw new Error(`Couldn't find a package.json for ${packageName}`);
}
const packageJson = pkg.packageJson;
const shouldPublishDocs = !!_.get(packageJson, 'config.postpublish.shouldPublishDocs');
if (!shouldPublishDocs) {
utils.log(
`GENERATE_UPLOAD_DOCS: ${
packageJson.name
} packageJson.config.postpublish.shouldPublishDocs is false. Skipping doc JSON generation.`,
);
return;
}
const pkgNameToPath: { [name: string]: string } = {};
_.each(monorepoPackages, pkg => {
pkgNameToPath[pkg.packageJson.name] = pkg.location;
});
// For each dep that is another one of our monorepo packages, we fetch it's index.ts
// and see which specific files we must pass to TypeDoc.
let typeDocExtraFileIncludes: string[] = [];
_.each(exportPathToExportedItems, (exportedItems, exportPath) => {
const isInternalToPkg = _.startsWith(exportPath, '.');
if (isInternalToPkg) {
const pathToInternalPkg = path.join(pathToPackage, 'src', `${exportPath}.ts`);
typeDocExtraFileIncludes.push(pathToInternalPkg);
}
const pathIfExists = pkgNameToPath[exportPath];
if (_.isUndefined(pathIfExists)) {
return; // It's an external package
}
const typeDocSourceIncludes = new Set();
const pathToIndex = `${pathIfExists}/src/index.ts`;
const innerExportPathToExportedItems = getExportPathToExportedItems(pathToIndex);
_.each(exportedItems, exportName => {
_.each(innerExportPathToExportedItems, (innerExportItems, innerExportPath) => {
if (!_.startsWith(innerExportPath, './')) {
// noop. Not an internal export... but rather an external one. Should we follow it?
return;
}
if (_.includes(innerExportItems, exportName)) {
const absoluteSrcPath = path.join(pathIfExists, 'src', `${innerExportPath}.ts`);
typeDocSourceIncludes.add(absoluteSrcPath);
}
});
});
// @0xproject/types & ethereum-types are examples of packages where their index.ts exports types
// directly, meaning no internal paths will exist to follow. This, we add the index file.
// TODO: Maybe we should add the index for all packages?
if (typeDocSourceIncludes.size === 0) {
typeDocSourceIncludes.add(pathToIndex);
}
typeDocExtraFileIncludes = [...typeDocExtraFileIncludes, ...Array.from(typeDocSourceIncludes)];
});
// Generate Typedoc JSON file
const jsonFilePath = path.join(pathToPackage, 'generated_docs', 'index.json');
const projectFiles = typeDocExtraFileIncludes.join(' ');
const cwd = path.join(constants.monorepoRootPath, 'packages/0x.js/');
// HACK: For some reason calling `typedoc` command directly from here, even with `cwd` set to the
// packages root dir, does not work. It only works when called via a `package.json` script located
// in the packages root.
await execAsync(`JSON_FILE_PATH=${jsonFilePath} PROJECT_FILES="${projectFiles}" yarn docs:json`, {
cwd,
});
// For each entry, see if it was exported in index.ts. If not, remove it.
const typedocOutputString = readFileSync(jsonFilePath).toString();
const typedocOutput = JSON.parse(typedocOutputString);
const finalTypeDocOutput = _.clone(typedocOutput);
_.each(typedocOutput.children, (file, i) => {
const exportItems = findExportItemsGivenTypedocName(exportPathToExportedItems, packageName, file.name);
// Map file "name" to exportPath... HOW?!
_.each(file.children, (child, j) => {
if (!_.includes(exportItems, child.name)) {
delete finalTypeDocOutput.children[i].children[j];
}
});
finalTypeDocOutput.children[i].children = _.compact(finalTypeDocOutput.children[i].children);
});
// Write modified TypeDoc JSON, without all the unexported stuff
writeFileSync(jsonFilePath, JSON.stringify(finalTypeDocOutput, null, 2));
const fileName = `v${packageJson.version}.json`;
utils.log(`GENERATE_UPLOAD_DOCS: Doc generation successful, uploading docs... as ${fileName}`);
const S3BucketPath = isStaging ? `s3://staging-doc-jsons/${packageName}/` : `s3://doc-jsons/${packageName}/`;
const s3Url = `${S3BucketPath}${fileName}`;
await execAsync(
`aws s3 cp ${jsonFilePath} ${s3Url} --profile 0xproject --grants read=uri=http://acs.amazonaws.com/groups/global/AllUsers --content-type application/json`,
{
cwd,
},
);
utils.log(`GENERATE_UPLOAD_DOCS: Docs uploaded to S3 bucket: ${S3BucketPath}`);
// Remove the generated docs directory
await execAsync(`rm -rf ${jsonFilePath}`, {
cwd,
});
}
function findExportItemsGivenTypedocName(
exportPathToExportedItems: ExportPathToExportedItems,
packageName: string,
typedocName: string,
): string[] {
const typeDocNameWithoutQuotes = _.replace(typedocName, '"', '');
const sanitizedExportPathToExportPath: { [sanitizedName: string]: string } = {};
const exportPaths = _.keys(exportPathToExportedItems);
const sanitizedExportPaths = _.map(exportPaths, exportPath => {
if (_.startsWith(exportPath, './')) {
const sanitizedExportPath = path.join(packageName, 'src', exportPath);
sanitizedExportPathToExportPath[sanitizedExportPath] = exportPath;
return sanitizedExportPath;
}
const monorepoPrefix = '@0xproject/';
if (_.startsWith(exportPath, monorepoPrefix)) {
const sanitizedExportPath = exportPath.split(monorepoPrefix)[1];
sanitizedExportPathToExportPath[sanitizedExportPath] = exportPath;
return sanitizedExportPath;
}
sanitizedExportPathToExportPath[exportPath] = exportPath;
return exportPath;
});
const matchingSanitizedExportPathIfExists = _.find(sanitizedExportPaths, p => {
return _.startsWith(typeDocNameWithoutQuotes, p);
});
if (_.isUndefined(matchingSanitizedExportPathIfExists)) {
throw new Error(`Didn't find an exportPath for ${typeDocNameWithoutQuotes}`);
}
const matchingExportPath = sanitizedExportPathToExportPath[matchingSanitizedExportPathIfExists];
return exportPathToExportedItems[matchingExportPath];
}
function getExportPathToExportedItems(pkgPath: string): ExportPathToExportedItems {
const sourceFile = ts.createSourceFile(
'indexFile',
readFileSync(pkgPath).toString(),
ts.ScriptTarget.ES2017,
/*setParentNodes */ true,
);
const exportPathToExportedItems = _getExportPathToExportedItems(sourceFile);
return exportPathToExportedItems;
}
function _getExportPathToExportedItems(sf: ts.SourceFile): ExportPathToExportedItems {
const exportPathToExportedItems: ExportPathToExportedItems = {};
processNode(sf);
function processNode(node: ts.Node): void {
switch (node.kind) {
case ts.SyntaxKind.ExportDeclaration:
// console.log(node);
const exportClause = (node as any).exportClause;
const pkgName = exportClause.parent.moduleSpecifier.text;
_.each(exportClause.elements, element => {
exportPathToExportedItems[pkgName] = _.isUndefined(exportPathToExportedItems[pkgName])
? [element.name.escapedText]
: [...exportPathToExportedItems[pkgName], element.name.escapedText];
});
break;
default:
// noop
break;
}
ts.forEachChild(node, processNode);
}
return exportPathToExportedItems;
}
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