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 { constants } from '../constants';
import { ExportPathToExportedItems } from '../types';
import { utils } from './utils';
interface ExportInfo {
exportPathToExportedItems: ExportPathToExportedItems;
exportPathOrder: string[];
}
interface ExportNameToTypedocNames {
[exportName: string]: string[];
}
const DOC_JSON_VERSION = '0.0.1';
const EXTERNAL_TYPE_TO_LINK: { [externalType: string]: string } = {
BigNumber: 'http://mikemcl.github.io/bignumber.js',
Error: 'https://github.com/DefinitelyTyped/DefinitelyTyped/blob/master/types/node/v9/index.d.ts#L134',
Buffer: 'https://github.com/DefinitelyTyped/DefinitelyTyped/blob/master/types/node/v9/index.d.ts#L262',
'solc.StandardContractOutput':
'https://solidity.readthedocs.io/en/v0.4.24/using-the-compiler.html#output-description',
'solc.CompilerSettings': 'https://solidity.readthedocs.io/en/v0.4.24/using-the-compiler.html#input-description',
Schema: 'https://github.com/tdegrunt/jsonschema/blob/5c2edd4baba149964aec0f23c87ad12c25a50dfb/lib/index.d.ts#L49',
};
const CLASSES_WITH_HIDDEN_CONSTRUCTORS: string[] = [
'ERC20ProxyWrapper',
'ERC20TokenWrapper',
'ERC721ProxyWrapper',
'ERC721TokenWrapper',
'EtherTokenWrapper',
'ExchangeWrapper',
'ForwarderWrapper',
];
export async function generateAndUploadDocsAsync(packageName: string, isStaging: boolean): Promise<void> {
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 ${packageName}`);
}
const packageJson = pkg.packageJson;
const omitExports = _.get(packageJson, 'config.postpublish.omitExports', []);
const pathToPackage = `${constants.monorepoRootPath}/packages/${packageName}`;
const indexPath = `${pathToPackage}/src/index.ts`;
const { exportPathToExportedItems, exportPathOrder } = getExportPathToExportedItems(indexPath, omitExports);
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);
return;
}
const pathIfExists = pkgNameToPath[exportPath];
if (_.isUndefined(pathIfExists)) {
return; // It's an external package
}
const typeDocSourceIncludes = new Set();
const pathToIndex = `${pathIfExists}/src/index.ts`;
const exportInfo = getExportPathToExportedItems(pathToIndex);
const innerExportPathToExportedItems = exportInfo.exportPathToExportedItems;
_.each(exportedItems, exportName => {
_.each(innerExportPathToExportedItems, (innerExportItems, innerExportPath) => {
if (!_.includes(innerExportItems, exportName)) {
return;
}
if (!_.startsWith(innerExportPath, './')) {
throw new Error(
`GENERATE_UPLOAD_DOCS: WARNING - ${packageName} is exporting one of ${innerExportItems} which is
itself exported from an external package. To fix this, export the external dependency directly,
not indirectly through ${innerExportPath}.`,
);
} else {
const absoluteSrcPath = path.join(pathIfExists, 'src', `${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. Other packages also have direct exports
// in their index.ts, so we always add it to the source files passed to TypeDoc
if (typeDocSourceIncludes.size === 0) {
typeDocSourceIncludes.add(pathToIndex);
}
typeDocExtraFileIncludes = [...typeDocExtraFileIncludes, ...Array.from(typeDocSourceIncludes)];
});
// Generate Typedoc JSON file
typeDocExtraFileIncludes.push(path.join(pathToPackage, 'src', 'globals.d.ts'));
const jsonFilePath = path.join(pathToPackage, 'generated_docs', 'index.json');
const projectFiles = typeDocExtraFileIncludes.join(' ');
const cwd = path.join(constants.monorepoRootPath, 'packages', packageName);
// 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 package's root.
await execAsync(`JSON_FILE_PATH=${jsonFilePath} PROJECT_FILES="${projectFiles}" yarn docs:json`, {
cwd,
});
// Unfortunately TypeDoc children names will only be prefixed with the name of the package _if_ we passed
// TypeDoc files outside of the packages root path (i.e this package exports another package found in our
// monorepo). In order to enforce that the names are always prefixed with the package's name, we check and add
// it here when necessary.
const typedocOutputString = readFileSync(jsonFilePath).toString();
const typedocOutput = JSON.parse(typedocOutputString);
const finalTypeDocOutput = _.clone(typedocOutput);
_.each(typedocOutput.children, (child, i) => {
if (!_.includes(child.name, '/src/')) {
const nameWithoutQuotes = child.name.replace(/"/g, '');
const standardizedName = `"${packageName}/src/${nameWithoutQuotes}"`;
finalTypeDocOutput.children[i].name = standardizedName;
}
});
// For each entry, remove it if:
// - it was not exported in index.ts
// - the constructor is to be ignored
// - it begins with an underscore
const exportPathToTypedocNames: ExportNameToTypedocNames = {};
_.each(typedocOutput.children, (file, i) => {
const exportPath = findExportPathGivenTypedocName(exportPathToExportedItems, packageName, file.name);
exportPathToTypedocNames[exportPath] = _.isUndefined(exportPathToTypedocNames[exportPath])
? [file.name]
: [...exportPathToTypedocNames[exportPath], file.name];
const exportItems = exportPathToExportedItems[exportPath];
_.each(file.children, (child, j) => {
if (!_.includes(exportItems, child.name)) {
delete finalTypeDocOutput.children[i].children[j];
return;
}
const innerChildren = typedocOutput.children[i].children[j].children;
_.each(innerChildren, (innerChild, k) => {
const isHiddenConstructor =
child.kindString === 'Class' &&
_.includes(CLASSES_WITH_HIDDEN_CONSTRUCTORS, child.name) &&
innerChild.kindString === 'Constructor';
const isPrivate = _.startsWith(innerChild.name, '_');
if (isHiddenConstructor || isPrivate) {
delete finalTypeDocOutput.children[i].children[j].children[k];
finalTypeDocOutput.children[i].children[j].children = _.compact(
finalTypeDocOutput.children[i].children[j].children,
);
}
});
});
finalTypeDocOutput.children[i].children = _.compact(finalTypeDocOutput.children[i].children);
});
const allExportedItems = _.flatten(_.values(exportPathToExportedItems));
const propertyName = ''; // Root has no property name
const referenceNamesWithDuplicates = getAllReferenceNames(propertyName, finalTypeDocOutput, []);
const referenceNames = _.uniq(referenceNamesWithDuplicates);
const missingReferences: string[] = [];
_.each(referenceNames, referenceName => {
if (!_.includes(allExportedItems, referenceName) && _.isUndefined(EXTERNAL_TYPE_TO_LINK[referenceName])) {
missingReferences.push(referenceName);
}
});
if (!_.isEmpty(missingReferences)) {
throw new Error(
`${packageName} package needs to export: \n${missingReferences.join(
'\n',
)} \nFrom it\'s index.ts. If any are from external dependencies, then add them to the EXTERNAL_TYPE_TO_LINK mapping.`,
);
}
// Since we need additional metadata included in the doc JSON, we nest the TypeDoc JSON
const docJson = {
version: DOC_JSON_VERSION,
metadata: {
exportPathToTypedocNames,
exportPathOrder,
externalTypeToLink: EXTERNAL_TYPE_TO_LINK,
},
typedocJson: finalTypeDocOutput,
};
// Write modified TypeDoc JSON, without all the unexported stuff
writeFileSync(jsonFilePath, JSON.stringify(docJson, 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 getAllReferenceNames(propertyName: string, node: any, referenceNames: string[]): string[] {
let updatedReferenceNames = referenceNames;
if (!_.isObject(node)) {
return updatedReferenceNames;
}
// Some nodes of type reference are for subtypes, which we don't want to return.
// We therefore filter them out.
const SUB_TYPE_PROPERTY_NAMES = ['inheritedFrom', 'overwrites', 'extendedTypes'];
if (
!_.isUndefined(node.type) &&
_.isString(node.type) &&
node.type === 'reference' &&
_.isUndefined(node.typeArguments) &&
!_.includes(SUB_TYPE_PROPERTY_NAMES, propertyName)
) {
return [...referenceNames, node.name];
}
_.each(node, (nodeValue, innerPropertyName) => {
if (_.isArray(nodeValue)) {
_.each(nodeValue, aNode => {
updatedReferenceNames = getAllReferenceNames(innerPropertyName, aNode, updatedReferenceNames);
});
} else if (_.isObject(nodeValue)) {
updatedReferenceNames = getAllReferenceNames(innerPropertyName, nodeValue, updatedReferenceNames);
}
});
return updatedReferenceNames;
}
function findExportPathGivenTypedocName(
exportPathToExportedItems: ExportPathToExportedItems,
packageName: string,
typedocName: string,
): string {
const typeDocNameWithoutQuotes = _.replace(typedocName, /"/g, '');
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;
});
// We need to sort the exportPaths by length (longest first), so that the match finding will pick
// longer matches before shorter matches, since it might match both, but the longer match is more
// precisely what we are looking for.
const sanitizedExportPathsSortedByLength = sanitizedExportPaths.sort((a: string, b: string) => {
return b.length - a.length;
});
const matchingSanitizedExportPathIfExists = _.find(sanitizedExportPathsSortedByLength, p => {
return _.startsWith(typeDocNameWithoutQuotes, p);
});
if (_.isUndefined(matchingSanitizedExportPathIfExists)) {
throw new Error(`Didn't find an exportPath for ${typeDocNameWithoutQuotes}`);
}
const matchingExportPath = sanitizedExportPathToExportPath[matchingSanitizedExportPathIfExists];
return matchingExportPath;
}
function getExportPathToExportedItems(filePath: string, omitExports?: string[]): ExportInfo {
const sourceFile = ts.createSourceFile(
'indexFile',
readFileSync(filePath).toString(),
ts.ScriptTarget.ES2017,
/*setParentNodes */ true,
);
const exportInfo = _getExportPathToExportedItems(sourceFile, omitExports);
return exportInfo;
}
function _getExportPathToExportedItems(sf: ts.SourceFile, omitExports?: string[]): ExportInfo {
const exportPathToExportedItems: ExportPathToExportedItems = {};
const exportPathOrder: string[] = [];
const exportsToOmit = _.isUndefined(omitExports) ? [] : omitExports;
processNode(sf);
function processNode(node: ts.Node): void {
switch (node.kind) {
case ts.SyntaxKind.ExportDeclaration: {
const exportClause = (node as any).exportClause;
const exportPath = exportClause.parent.moduleSpecifier.text;
_.each(exportClause.elements, element => {
const exportItem = element.name.escapedText;
if (!_.includes(exportsToOmit, exportItem)) {
exportPathToExportedItems[exportPath] = _.isUndefined(exportPathToExportedItems[exportPath])
? [exportItem]
: [...exportPathToExportedItems[exportPath], exportItem];
}
});
if (!_.isUndefined(exportPathToExportedItems[exportPath])) {
exportPathOrder.push(exportPath);
}
break;
}
case ts.SyntaxKind.ExportKeyword: {
const foundNode: any = node;
const exportPath = './index';
if (foundNode.parent && foundNode.parent.name) {
const exportItem = foundNode.parent.name.escapedText;
if (!_.includes(exportsToOmit, exportItem)) {
exportPathToExportedItems[exportPath] = _.isUndefined(exportPathToExportedItems[exportPath])
? [exportItem]
: [...exportPathToExportedItems[exportPath], exportItem];
}
}
if (!_.includes(exportPathOrder, exportPath) && !_.isUndefined(exportPathToExportedItems[exportPath])) {
exportPathOrder.push(exportPath);
}
break;
}
default:
// noop
break;
}
ts.forEachChild(node, processNode);
}
const exportInfo = {
exportPathToExportedItems,
exportPathOrder,
};
return exportInfo;
}
