feat: js2ts src/lib/protect

package.json

@@ -102,7 +102,7 @@
   },
   "devDependencies": {
     "@types/agent-base": "^4.2.1",
-    "@types/diff": "^3.5.2",
+    "@types/diff": "^4.0.2",
     "@types/needle": "^2.0.4",
     "@types/node": "8.10.59",
     "@types/restify": "^8.4.2",

src/cli/commands/protect/wizard.ts

@@ -550,7 +550,7 @@ function processAnswers(answers, policy, options) {
         const lbl = 'Updating npm-shrinkwrap.json...';
         return (
           spinner(lbl)
-            .then(() => npm('shrinkwrap', null, live, cwd, null))
+            .then(() => npm('shrinkwrap', null, live, cwd))
             // clear spinner in case of success or failure
             .then(spinner.clear(lbl))
             .catch((error) => {

src/lib/npm.ts

@@ -8,8 +8,8 @@ function npm(
   method: string,
   packages: string[] | null,
   live: boolean,
-  cwd: string | null,
-  flags: string[] | null,
+  cwd?: string,
+  flags?: string[],
 ): Promise<void> {
   flags = flags || [];
   if (!packages) {

src/lib/protect/apply-patch.ts

@@ -1,13 +1,15 @@
-module.exports = applyPatch;
+export = applyPatch;
 
-const debug = require('debug')('snyk');
-const diff = require('diff');
-const exec = require('child_process').exec;
-const path = require('path');
-const fs = require('fs');
-const uuid = require('uuid/v4');
-const semver = require('semver');
-const errorAnalytics = require('../analytics').single;
+import * as debugModule from 'debug';
+import * as diff from 'diff';
+import { exec } from 'child_process';
+import * as path from 'path';
+import * as fs from 'fs';
+import * as uuid from 'uuid/v4';
+import * as semver from 'semver';
+import { single as errorAnalytics } from '../analytics';
+
+const debug = debugModule('snyk');
 
 function applyPatch(patchFileName, vuln, live, patchUrl) {
   let cwd = vuln.source;
@@ -21,11 +23,11 @@ function applyPatch(patchFileName, vuln, live, patchUrl) {
     debug('DRY RUN: relative: %s', relative);
 
     try {
-      let pkg = {};
+      let pkg: any = {};
       const packageJsonPath = path.resolve(relative, 'package.json');
       try {
         const packageJson = fs.readFileSync(packageJsonPath);
-        pkg = JSON.parse(packageJson);
+        pkg = JSON.parse(packageJson.toString());
         debug('package at patch target location: %s@%s', pkg.name, pkg.version);
       } catch (err) {
         debug(
@@ -46,7 +48,7 @@ function applyPatch(patchFileName, vuln, live, patchUrl) {
 
       const isVersionMatch = semver.satisfies(
         versionOfPackageToPatch,
-        semver.valid(semver.coerce(vuln.patches.version)),
+        semver.valid(semver.coerce(vuln.patches.version)!.toString())!,
       );
 
       if (isSemverMatch || isVersionMatch) {
@@ -84,7 +86,7 @@ function jsDiff(patchContent, relative, live) {
   const patchedFiles = {};
   return new Promise((resolve, reject) => {
     diff.applyPatches(patchContent, {
-      loadFile: function(index, callback) {
+      loadFile(index, callback) {
         try {
           const fileName = trimUpToFirstSlash(index.oldFileName);
           if (patchedFiles[fileName]) {
@@ -103,14 +105,14 @@ function jsDiff(patchContent, relative, live) {
         } catch (err) {
           // collect patch metadata for error analysis
           err.patchIssue = JSON.stringify(index);
-          callback(err);
+          callback(err, '');
         }
       },
-      patched: function(index, content, callback) {
+      patched(index, content, callback) {
         try {
-          if (content === false) {
+          if ((content as any) === false) {
             // `false` means the patch does not match the original content.
-            const error = new Error('Found a mismatching patch');
+            const error: any = new Error('Found a mismatching patch');
             error.patchIssue = JSON.stringify(index);
             throw error;
           }
@@ -120,19 +122,19 @@ function jsDiff(patchContent, relative, live) {
             patchedFiles[oldFileName] = null;
           }
           patchedFiles[newFileName] = content;
-          callback();
+          callback(null);
         } catch (err) {
           callback(err);
         }
       },
-      compareLine: function(_, line, operation, patchContent) {
+      compareLine(_, line, operation, patchContent) {
         if (operation === ' ') {
           // Ignore when no patch operators as GNU patch does
           return true;
         }
         return line === patchContent;
       },
-      complete: function(error) {
+      complete(error) {
         if (error) {
           return reject(error);
         }

src/lib/protect/dedupe-patches.ts

@@ -1,10 +1,12 @@
-module.exports = dedupe;
+export = dedupe;
 
-const debug = require('debug')('snyk:patch');
-const patchesForPackage = require('./patches-for-package');
+import * as debugModule from 'debug';
+import patchesForPackage = require('./patches-for-package');
+
+const debug = debugModule('snyk:patch');
 
 function dedupe(source) {
-  const removed = [];
+  const removed: any[] = [];
 
   const names = source.reduce((acc, vuln) => {
     if (Array.isArray(vuln.patches)) {

src/lib/protect/get-vuln-source.ts

@@ -1,10 +1,12 @@
-module.exports = getVulnSource;
+export = getVulnSource;
 
-const debug = require('debug')('snyk');
-const resolve = require('snyk-resolve');
-const path = require('path');
-const statSync = require('fs').statSync;
-const { parsePackageString: moduleToObject } = require('snyk-module');
+import * as debugModule from 'debug';
+import * as resolve from 'snyk-resolve';
+import * as path from 'path';
+import { statSync } from 'fs';
+import { parsePackageString as moduleToObject } from 'snyk-module';
+
+const debug = debugModule('snyk');
 
 function getVulnSource(vuln, live) {
   const from = vuln.from.slice(1).map((pkg) => {

src/lib/protect/ignore.ts

@@ -1,17 +1,19 @@
-module.exports = ignore;
+export = ignore;
 
-const debug = require('debug')('snyk');
-const stripVersions = require('./strip-versions');
+import * as debugModule from 'debug';
+import stripVersions = require('./strip-versions');
+
+const debug = debugModule('snyk');
 const oneDay = 1000 * 60 * 60 * 24;
 
 function ignore(data) {
   return new Promise((resolve) => {
-    const config = {};
+    const config: any = {};
     config.ignore = data
       .map((res) => {
         const vuln = res.vuln;
         const days = res.meta.days || 30;
-        const ignoreRule = {};
+        const ignoreRule: any = {};
         ignoreRule[stripVersions(vuln.from.slice(1)).join(' > ')] = {
           reason: res.meta.reason,
           expires: new Date(Date.now() + oneDay * days).toJSON(),

src/lib/protect/index.ts

@@ -1,17 +1,20 @@
-const protect = (module.exports = {
+const protect = {
   ignore: require('./ignore'),
   update: require('./update').update,
   install: require('./update').install,
   installDev: require('./update').installDev,
   patch: require('./patch'),
   patchesForPackage: require('./patches-for-package'),
-  generatePolicy: generatePolicy,
-});
+  generatePolicy,
+};
 
-const debug = require('debug')('snyk');
-const _ = require('@snyk/lodash');
+export = protect;
 
-function generatePolicy(policy, tasks, live, packageManager) {
+import * as debugModule from 'debug';
+import * as _ from '@snyk/lodash';
+const debug = debugModule('snyk');
+
+function generatePolicy(policy, tasks, live, packageManager?) {
   const promises = ['ignore', 'update', 'patch']
     .filter((task) => {
       return tasks[task].length;
@@ -30,7 +33,7 @@ function generatePolicy(policy, tasks, live, packageManager) {
     results.unshift(policy);
     const newPolicy = _.merge(...results);
 
-    debug(JSON.stringify(newPolicy, '', 2));
+    debug(JSON.stringify(newPolicy, null, 2));
 
     return newPolicy;
   });

src/lib/protect/patch.ts

@@ -1,27 +1,28 @@
-module.exports = patch;
+export = patch;
+
+import * as debugModule from 'debug';
+import chalk from 'chalk';
+import * as glob from 'glob';
+import * as tempfile from 'tempfile';
+import * as fs from 'then-fs';
+import * as path from 'path';
+import * as _ from '@snyk/lodash';
+import applyPatch = require('./apply-patch');
+import stripVersions = require('./strip-versions');
+import getVulnSource = require('./get-vuln-source');
+import dedupe = require('./dedupe-patches');
+import writePatchFlag = require('./write-patch-flag');
+import * as spinner from '../spinner';
+import * as errors from '../errors/legacy-errors';
+import * as analytics from '../analytics';
+import getPatchFile = require('./fetch-patch');
 
 const now = new Date();
-
-const debug = require('debug')('snyk');
-const chalk = require('chalk');
-const glob = require('glob');
-const tempfile = require('tempfile');
-const fs = require('then-fs');
-const path = require('path');
-const _ = require('@snyk/lodash');
-const applyPatch = require('./apply-patch');
-const stripVersions = require('./strip-versions');
-const getVulnSource = require('./get-vuln-source');
-const dedupe = require('./dedupe-patches');
-const writePatchFlag = require('./write-patch-flag');
-const spinner = require('../spinner');
-const errors = require('../errors/legacy-errors');
-const analytics = require('../analytics');
-const getPatchFile = require('./fetch-patch');
+const debug = debugModule('snyk');
 
 function patch(vulns, live) {
   const lbl = 'Applying patches...';
-  const errorList = [];
+  const errorList: any[] = [];
 
   return (
     spinner(lbl)
@@ -159,7 +160,7 @@ function patch(vulns, live) {
             return Promise.all(patched);
           })
           .then((patched) => {
-            const config = {};
+            const config: any = {};
 
             // this reduce function will look to see if the patch actually resolves
             // more than one vulnerability, and if it does, it'll replicate the
@@ -203,7 +204,7 @@ function patch(vulns, live) {
       // clear spinner in case of success or failure
       .then(spinner.clear(lbl))
       .catch((error) => {
-        spinner.clear(lbl)();
+        spinner.clear(lbl)(null);
         throw error;
       })
       .then((res) => {

src/lib/protect/patches-for-package.ts

@@ -1,6 +1,6 @@
-module.exports = patchesForPackage;
+export = patchesForPackage;
 
-const semver = require('semver');
+import * as semver from 'semver';
 
 function patchesForPackage(vuln) {
   return (

src/lib/protect/strip-versions.ts

@@ -1,6 +1,6 @@
-module.exports = stripVersions;
+export = stripVersions;
 
-const { parsePackageString: moduleToObject } = require('snyk-module');
+import { parsePackageString as moduleToObject } from 'snyk-module';
 
 function stripVersions(packages) {
   return packages.map((pkg) => {

src/lib/protect/update.ts

@@ -1,22 +1,24 @@
-module.exports.update = update;
-module.exports.install = install;
-module.exports.installDev = installDev;
-
-const debug = require('debug')('snyk');
-const chalk = require('chalk');
-const _ = require('@snyk/lodash');
-const { parsePackageString: moduleToObject } = require('snyk-module');
-const semver = require('semver');
-const errors = require('../errors/legacy-errors');
-const npm = require('../npm');
-const { yarn } = require('../yarn');
-const spinner = require('../spinner');
-const analytics = require('../analytics');
+export { update };
+export { install };
+export { installDev };
+
+import * as debugModule from 'debug';
+import chalk from 'chalk';
+import * as _ from '@snyk/lodash';
+import { parsePackageString as moduleToObject } from 'snyk-module';
+import * as semver from 'semver';
+import * as errors from '../errors/legacy-errors';
+import * as npm from '../npm';
+import { yarn } from '../yarn';
+import * as spinner from '../spinner';
+import * as analytics from '../analytics';
+
+const debug = debugModule('snyk');
 
 function update(packages, live, pkgManager) {
   pkgManager = pkgManager || 'npm';
   const lbl = 'Applying updates using ' + pkgManager + '...';
-  let error = false;
+  let error: any = false;
 
   return (
     spinner(lbl)
@@ -101,9 +103,9 @@ function update(packages, live, pkgManager) {
         return promise;
       })
       // clear spinner in case of success or failure
-      .then(spinner.clear(lbl))
+      .then(() => spinner.clear(lbl)(null))
       .catch((error) => {
-        spinner.clear(lbl)();
+        spinner.clear(lbl)(null);
         throw error;
       })
       .then((res) => {
@@ -124,8 +126,8 @@ function install(pkgManager, upgrades, live) {
 
 function installDev(pkgManager, upgrades, live) {
   return pkgManager === 'yarn'
-    ? yarn('add', upgrades, live, null, ['--dev'])
-    : npm('install', upgrades, live, null, ['--save-dev']);
+    ? yarn('add', upgrades, live, undefined, ['--dev'])
+    : npm('install', upgrades, live, undefined, ['--save-dev']);
 }
 
 function uninstall(pkgManager, toUninstall, live) {

src/lib/protect/write-patch-flag.ts

@@ -1,8 +1,10 @@
-module.exports = writePatchFlag;
+export = writePatchFlag;
 
-const debug = require('debug')('snyk');
-const fs = require('then-fs');
-const path = require('path');
+import * as debugModule from 'debug';
+import * as fs from 'then-fs';
+import * as path from 'path';
+
+const debug = debugModule('snyk');
 
 function writePatchFlag(now, vuln) {
   if (!vuln) {

src/lib/yarn.ts

@@ -8,8 +8,8 @@ export function yarn(
   method: string,
   packages: string[],
   live: boolean,
-  cwd: string,
-  flags: string[],
+  cwd?: string,
+  flags?: string[],
 ) {
   flags = flags || [];
   if (!packages) {