diff --git a/packages/compat/package.json b/packages/compat/package.json
index 439849e7c..45c232498 100644
--- a/packages/compat/package.json
+++ b/packages/compat/package.json
@@ -39,6 +39,7 @@
     "broccoli-plugin": "^1.3.0",
     "broccoli-source": "^1.1.0",
     "debug": "^3.1.0",
+    "ember-cli-htmlbars": "^3.0.1",
     "fs-extra": "^7.0.0",
     "fs-tree-diff": "0.5.7",
     "jsdom": "^12.0.0",
diff --git a/packages/compat/src/apply-ast-transforms.ts b/packages/compat/src/apply-ast-transforms.ts
new file mode 100644
index 000000000..795f4bfe9
--- /dev/null
+++ b/packages/compat/src/apply-ast-transforms.ts
@@ -0,0 +1,81 @@
+import { readFileSync } from 'fs';
+import HTMLBarsTransform, { Options as HTMLBarsOptions } from 'ember-cli-htmlbars';
+import { Tree } from 'broccoli-plugin';
+import { join } from 'path';
+
+interface AST {
+  _deliberatelyOpaque: 'AST';
+}
+
+// see processString in ember-cli-htmlbars/index.js. We are going to build almost exactly the same transform, but instead of templateCompiler.precomiple we call ssyntax.print(yntax.preprocess())
+interface PreprocessOptions {
+  contents: string;   // the original source of the template
+  moduleName: string; // example: "ember-basic-dropdown/templates/components/basic-dropdown-content.hbs"
+}
+
+interface GlimmerSyntax {
+  preprocess: (html: string, options?: PreprocessOptions) => AST;
+  print: (ast: AST) => string;
+}
+
+let glimmerSyntaxCache: GlimmerSyntax | undefined;
+
+// we could directly depend on @glimmer/syntax and have nice types and
+// everything. But the problem is, we really want to use the exact version that
+// the app itself is using, and its copy is bundled away inside
+// ember-template-compiler.js.
+function loadGlimmerSyntax(templateCompilerPath: string): GlimmerSyntax {
+  if (glimmerSyntaxCache) {
+    return glimmerSyntaxCache;
+  }
+  let orig = Object.create;
+  let grabbed: any[] = [];
+  (Object as any).create = function(proto: any, propertiesObject: any) {
+    let result = orig.call(this, proto, propertiesObject);
+    grabbed.push(result);
+    return result;
+  };
+  try {
+    eval(readFileSync(templateCompilerPath, 'utf8'));
+  } finally {
+    Object.create = orig;
+  }
+  for (let obj of grabbed) {
+    if (obj['@glimmer/syntax'] && obj['@glimmer/syntax'].print) {
+      // we found the loaded modules
+      glimmerSyntaxCache = {
+        print: obj['@glimmer/syntax'].print,
+        preprocess: obj['@glimmer/syntax'].preprocess,
+      };
+      return glimmerSyntaxCache;
+    }
+  }
+  throw new Error(`unable to find @glimmer/syntax methods in ${templateCompilerPath}`);
+}
+
+export default class extends HTMLBarsTransform {
+  private syntax: GlimmerSyntax;
+
+  constructor(inputTree: Tree, options: HTMLBarsOptions) {
+    options.name = 'embroider-apply-ast-transforms';
+    super(inputTree, options);
+    this.syntax = loadGlimmerSyntax(options.templateCompilerPath);
+
+    // unlike our parent class, we don't want to rename hbs to js
+    this.targetExtension = null;
+  }
+  processString(source: string, relativePath: string) {
+    console.log(`we are processing ${relativePath}`);
+    let ast = this.syntax.preprocess(source, {
+      contents: source,
+      moduleName: relativePath
+    });
+    return this.syntax.print(ast);
+  }
+  cacheKeyProcessString(source: string, relativePath: string) {
+    return `embroider-` + super.cacheKeyProcessString(source, relativePath);
+  }
+  baseDir() {
+    return join(__dirname, '..');
+  }
+}
diff --git a/packages/compat/src/v1-addon.ts b/packages/compat/src/v1-addon.ts
index 2fd8cbbbc..bf82d16b0 100644
--- a/packages/compat/src/v1-addon.ts
+++ b/packages/compat/src/v1-addon.ts
@@ -21,6 +21,9 @@ import { Package, PackageCache, BasicPackage, AddonMeta } from "@embroider/core"
 import { AddonOptionsWithDefaults } from "./options";
 import walkSync from 'walk-sync';
 import AddToTree from "./add-to-tree";
+import ApplyASTTransforms from './apply-ast-transforms';
+import { Options as HTMLBarsOptions } from 'ember-cli-htmlbars';
+import resolve from "resolve";
 
 const stockTreeNames = Object.freeze([
   'addon',
@@ -50,6 +53,18 @@ const dynamicTreeHooks = Object.freeze([
 
 const appPublicationDir = '_app_';
 
+let locatePreprocessRegistry: (addonInstance: any) => any;
+{
+  let preprocessRegistry: any;
+  locatePreprocessRegistry = function(addonInstance: any) {
+    if (!preprocessRegistry) {
+      let cliPath = resolve.sync('ember-cli', { basedir: addonInstance._findHost().project.root });
+      preprocessRegistry = require(resolve.sync('ember-cli-preprocess-registry/preprocessors', { basedir: cliPath }));
+    }
+    return preprocessRegistry;
+  };
+}
+
 // This controls and types the interface between our new world and the classic
 // v1 addon instance.
 export default class V1Addon implements V1Package {
@@ -77,17 +92,25 @@ export default class V1Addon implements V1Package {
     // a no-op transform here to avoid an exception coming out of ember-cli like
     // "Addon templates were detected, but there are no template compilers
     // registered".
-    registry.remove('template', 'ember-cli-htmlbars');
-    if (registry.load('htmlbars-ast-plugin').length > 0) {
-      todo(`${this.name} has a custom AST transform that we need to apply`);
+    let htmlbars = this.addonInstance.addons.find((a: any) => a.name === 'ember-cli-htmlbars');
+    if (htmlbars) {
+      registry.remove('template', 'ember-cli-htmlbars');
+      let options = htmlbars.htmlbarsOptions() as HTMLBarsOptions;
+      registry.add('template', {
+        name: 'embroider-addon-templates',
+        ext: 'hbs',
+        _addon: this,
+        toTree(tree: Tree): Tree {
+          if (registry.load('htmlbars-ast-plugin').length === 0) {
+            // when there are no custom AST transforms, we don't need to do
+            // anything at all.
+            return tree;
+          } else {
+            return new ApplyASTTransforms(tree, options);
+          }
+        }
+      });
     }
-    registry.add('template', {
-      name: 'embroider-addon-templates',
-      ext: 'hbs',
-      toTree(tree: Tree): Tree {
-        return tree;
-      }
-    });
   }
 
   get name(): string {
@@ -167,9 +190,15 @@ export default class V1Addon implements V1Package {
     if (includeCSS) {
       tree = this.addonInstance.compileStyles(tree);
     }
-    return this.addonInstance.preprocessJs(tree, '/', this.moduleName, {
+    tree = this.addonInstance.preprocessJs(tree, '/', this.moduleName, {
       registry : this.addonInstance.registry
     });
+    if (this.addonInstance.registry.load('template').length > 0) {
+      tree = locatePreprocessRegistry(this.addonInstance).preprocessTemplates(tree, {
+        registry: this.addonInstance.registry
+      });
+    }
+    return tree;
   }
 
   @Memoize()
@@ -267,7 +296,6 @@ export default class V1Addon implements V1Package {
           srcDirs: [this.moduleName, `modules/${this.moduleName}`]
         });
       }
-      // todo: also invoke treeForAddonTemplates
     } else if (this.hasStockTree('addon')) {
       return this.transpile(this.stockTree('addon', {
         exclude: ['styles/**']
diff --git a/types/ember-cli-htmlbars/index.d.ts b/types/ember-cli-htmlbars/index.d.ts
new file mode 100644
index 000000000..391cca8f2
--- /dev/null
+++ b/types/ember-cli-htmlbars/index.d.ts
@@ -0,0 +1,19 @@
+
+declare module 'ember-cli-htmlbars' {
+
+  import Plugin, { Tree } from "broccoli-plugin";
+
+  export interface Options {
+    templateCompilerPath: string;
+    name?: string;
+  }
+
+  export default class HTMLBarsTransform extends Plugin {
+    constructor(inputTree: Tree, options: Options)
+    build(): Promise<void>;
+    protected cacheKeyProcessString(contents: string, relativePath: string): string;
+    protected targetExtension: string | null;
+  }
+
+
+}
diff --git a/yarn.lock b/yarn.lock
index 46c4a9242..203cb6460 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -596,6 +596,19 @@ assign-symbols@^1.0.0:
   resolved "https://registry.yarnpkg.com/assign-symbols/-/assign-symbols-1.0.0.tgz#59667f41fadd4f20ccbc2bb96b8d4f7f78ec0367"
   integrity sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=
 
+async-disk-cache@^1.2.1:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/async-disk-cache/-/async-disk-cache-1.3.4.tgz#a5c9f72f199a9933583659f57a0e11377884f816"
+  integrity sha512-qsIvGJ/XYZ5bSGf5vHt2aEQHZnyuehmk/+51rCJhpkZl4LtvOZ+STbhLbdFAJGYO+dLzUT5Bb4nLKqHBX83vhw==
+  dependencies:
+    debug "^2.1.3"
+    heimdalljs "^0.2.3"
+    istextorbinary "2.1.0"
+    mkdirp "^0.5.0"
+    rimraf "^2.5.3"
+    rsvp "^3.0.18"
+    username-sync "^1.0.2"
+
 async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
@@ -606,6 +619,14 @@ async-limiter@~1.0.0:
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
   integrity sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==
 
+async-promise-queue@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/async-promise-queue/-/async-promise-queue-1.0.4.tgz#308baafbc74aff66a0bb6e7f4a18d4fe8434440c"
+  integrity sha512-GQ5X3DT+TefYuFPHdvIPXFTlKnh39U7dwtl+aUBGeKjMea9nBpv3c91DXgeyBQmY07vQ97f3Sr9XHqkamEameQ==
+  dependencies:
+    async "^2.4.1"
+    debug "^2.6.8"
+
 async@^2.3.0, async@^2.5.0:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.1.tgz#b245a23ca71930044ec53fa46aa00a3e87c6a610"
@@ -613,6 +634,13 @@ async@^2.3.0, async@^2.5.0:
   dependencies:
     lodash "^4.17.10"
 
+async@^2.4.1:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.2.tgz#18330ea7e6e313887f5d2f2a904bac6fe4dd5381"
+  integrity sha512-H1qVYh1MYhEEFLsP97cVKqCGo7KfCyTt6uEWqsTBr9SO84oK9Uwbyd/yCW+6rKJLHksBNUVWZDAjfS+Ccx0Bbg==
+  dependencies:
+    lodash "^4.17.11"
+
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
@@ -1206,6 +1234,11 @@ binary-extensions@^1.0.0:
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.0.tgz#9523e001306a32444b907423f1de2164222f6ab1"
   integrity sha512-EgmjVLMn22z7eGGv3kcnHwSnJXmFHjISTY9E/S5lIcTD3Oxw05QTcBLNkJFzcb3cNueUdF/IN4U+d78V0zO8Hw==
 
+"binaryextensions@1 || 2":
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/binaryextensions/-/binaryextensions-2.1.2.tgz#c83c3d74233ba7674e4f313cb2a2b70f54e94b7c"
+  integrity sha512-xVNN69YGDghOqCCtA6FI7avYrr02mTJjOgB0/f1VPD3pJC8QEvjTKWc4epDx8AqxxA75NI0QpVM2gPJXUbE4Tg==
+
 blank-object@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/blank-object/-/blank-object-1.0.2.tgz#f990793fbe9a8c8dd013fb3219420bec81d5f4b9"
@@ -1277,6 +1310,14 @@ broccoli-funnel@^2.0.1:
     symlink-or-copy "^1.0.0"
     walk-sync "^0.3.1"
 
+broccoli-kitchen-sink-helpers@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/broccoli-kitchen-sink-helpers/-/broccoli-kitchen-sink-helpers-0.3.1.tgz#77c7c18194b9664163ec4fcee2793444926e0c06"
+  integrity sha1-d8fBgZS5ZkFj7E/O4nk0RJJuDAY=
+  dependencies:
+    glob "^5.0.10"
+    mkdirp "^0.5.1"
+
 broccoli-merge-trees@^3.0.0:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/broccoli-merge-trees/-/broccoli-merge-trees-3.0.2.tgz#f33b451994225522b5c9bcf27d59decfd8ba537d"
@@ -1290,7 +1331,26 @@ broccoli-node-info@^1.1.0:
   resolved "https://registry.yarnpkg.com/broccoli-node-info/-/broccoli-node-info-1.1.0.tgz#3aa2e31e07e5bdb516dd25214f7c45ba1c459412"
   integrity sha1-OqLjHgflvbUW3SUhT3xFuhxFlBI=
 
-broccoli-plugin@^1.3.0:
+broccoli-persistent-filter@^1.4.3:
+  version "1.4.6"
+  resolved "https://registry.yarnpkg.com/broccoli-persistent-filter/-/broccoli-persistent-filter-1.4.6.tgz#80762d19000880a77da33c34373299c0f6a3e615"
+  integrity sha512-0RejLwoC95kv4kta8KAa+FmECJCK78Qgm8SRDEK7YyU0N9Cx6KpY3UCDy9WELl3mCXLN8TokNxc7/hp3lL4lfw==
+  dependencies:
+    async-disk-cache "^1.2.1"
+    async-promise-queue "^1.0.3"
+    broccoli-plugin "^1.0.0"
+    fs-tree-diff "^0.5.2"
+    hash-for-dep "^1.0.2"
+    heimdalljs "^0.2.1"
+    heimdalljs-logger "^0.1.7"
+    mkdirp "^0.5.1"
+    promise-map-series "^0.2.1"
+    rimraf "^2.6.1"
+    rsvp "^3.0.18"
+    symlink-or-copy "^1.0.1"
+    walk-sync "^0.3.1"
+
+broccoli-plugin@^1.0.0, broccoli-plugin@^1.3.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/broccoli-plugin/-/broccoli-plugin-1.3.1.tgz#a26315732fb99ed2d9fb58f12a1e14e986b4fabd"
   integrity sha512-DW8XASZkmorp+q7J4EeDEZz+LoyKLAd2XZULXyD9l4m9/hAKV3vjHmB1kiUshcWAYMgTP1m2i4NnqCE/23h6AQ==
@@ -1784,7 +1844,7 @@ date-now@^0.1.4:
   resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
   integrity sha1-6vQ5/U1ISK105cx9vvIAZyueNFs=
 
-debug@^2.1.2, debug@^2.2.0, debug@^2.3.3, debug@^2.6.8, debug@^2.6.9:
+debug@^2.1.2, debug@^2.1.3, debug@^2.2.0, debug@^2.3.3, debug@^2.6.8, debug@^2.6.9:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
@@ -1916,6 +1976,11 @@ ecc-jsbn@~0.1.1:
     jsbn "~0.1.0"
     safer-buffer "^2.1.0"
 
+editions@^1.1.1:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/editions/-/editions-1.3.4.tgz#3662cb592347c3168eb8e498a0ff73271d67f50b"
+  integrity sha512-gzao+mxnYDzIysXKMQi/+M1mjy/rjestjg6OPoYTtI+3Izp23oiGZitsl9lPDPiTGXbcSIk1iJWhliSaglxnUg==
+
 electron-to-chromium@^1.3.47:
   version "1.3.113"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.113.tgz#b1ccf619df7295aea17bc6951dc689632629e4a9"
@@ -1934,6 +1999,16 @@ elliptic@^6.0.0:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.0"
 
+ember-cli-htmlbars@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/ember-cli-htmlbars/-/ember-cli-htmlbars-3.0.1.tgz#01e21f0fd05e0a6489154f26614b1041769e3e58"
+  integrity sha512-pyyB2s52vKTXDC5svU3IjU7GRLg2+5O81o9Ui0ZSiBS14US/bZl46H2dwcdSJAK+T+Za36ZkQM9eh1rNwOxfoA==
+  dependencies:
+    broccoli-persistent-filter "^1.4.3"
+    hash-for-dep "^1.2.3"
+    json-stable-stringify "^1.0.0"
+    strip-bom "^3.0.0"
+
 ember-rfc176-data@^0.3.6:
   version "0.3.6"
   resolved "https://registry.yarnpkg.com/ember-rfc176-data/-/ember-rfc176-data-0.3.6.tgz#7138db8dfccec39c9a832adfbd4c49d670028907"
@@ -2259,7 +2334,7 @@ fs-tree-diff@0.5.7:
     path-posix "^1.0.0"
     symlink-or-copy "^1.1.8"
 
-fs-tree-diff@^0.5.3:
+fs-tree-diff@^0.5.2, fs-tree-diff@^0.5.3:
   version "0.5.9"
   resolved "https://registry.yarnpkg.com/fs-tree-diff/-/fs-tree-diff-0.5.9.tgz#a4ec6182c2f5bd80b9b83c8e23e4522e6f5fd946"
   integrity sha512-872G8ax0kHh01m9n/2KDzgYwouKza0Ad9iFltBpNykvROvf2AGtoOzPJgGx125aolGPER3JuC7uZFrQ7bG1AZw==
@@ -2337,6 +2412,17 @@ glob-parent@^3.1.0:
     is-glob "^3.1.0"
     path-dirname "^1.0.0"
 
+glob@^5.0.10:
+  version "5.0.15"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-5.0.15.tgz#1bc936b9e02f4a603fcc222ecf7633d30b8b93b1"
+  integrity sha1-G8k2ueAvSmA/zCIuz3Yz0wuLk7E=
+  dependencies:
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "2 || 3"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
 glob@^7.1.1, glob@^7.1.3:
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.3.tgz#3960832d3f1574108342dafd3a67b332c0969df1"
@@ -2444,6 +2530,17 @@ hash-base@^3.0.0:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
+hash-for-dep@^1.0.2, hash-for-dep@^1.2.3:
+  version "1.4.7"
+  resolved "https://registry.yarnpkg.com/hash-for-dep/-/hash-for-dep-1.4.7.tgz#ea6f9d8e2f9e784fc48ca60c40ea886bdb41aa54"
+  integrity sha512-nz0Ttg6U7vx8Ec4ai4niocpJYD76fm9L1n/d2dIt4lH+s0T+TPgwaxgYkQ3S3R7ZxDyiNedYwRtdzqL29FQyTw==
+  dependencies:
+    broccoli-kitchen-sink-helpers "^0.3.1"
+    heimdalljs "^0.2.3"
+    heimdalljs-logger "^0.1.7"
+    path-root "^0.1.1"
+    resolve "^1.4.0"
+
 hash.js@^1.0.0, hash.js@^1.0.3:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
@@ -2460,7 +2557,7 @@ heimdalljs-logger@^0.1.7, heimdalljs-logger@^0.1.9:
     debug "^2.2.0"
     heimdalljs "^0.2.6"
 
-heimdalljs@^0.2.0, heimdalljs@^0.2.5, heimdalljs@^0.2.6:
+heimdalljs@^0.2.0, heimdalljs@^0.2.1, heimdalljs@^0.2.3, heimdalljs@^0.2.5, heimdalljs@^0.2.6:
   version "0.2.6"
   resolved "https://registry.yarnpkg.com/heimdalljs/-/heimdalljs-0.2.6.tgz#b0eebabc412813aeb9542f9cc622cb58dbdcd9fe"
   integrity sha512-o9bd30+5vLBvBtzCPwwGqpry2+n0Hi6H1+qwt6y+0kwRHGGF8TFIhJPmnuM0xO97zaKrDZMwO/V56fAnn8m/tA==
@@ -2745,6 +2842,15 @@ isstream@~0.1.2:
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
   integrity sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=
 
+istextorbinary@2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/istextorbinary/-/istextorbinary-2.1.0.tgz#dbed2a6f51be2f7475b68f89465811141b758874"
+  integrity sha1-2+0qb1G+L3R1to+JRlgRFBt1iHQ=
+  dependencies:
+    binaryextensions "1 || 2"
+    editions "^1.1.1"
+    textextensions "1 || 2"
+
 js-reporters@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/js-reporters/-/js-reporters-1.2.1.tgz#f88c608e324a3373a95bcc45ad305e5c979c459b"
@@ -2844,6 +2950,13 @@ json-schema@0.2.3:
   resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
   integrity sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM=
 
+json-stable-stringify@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
+  integrity sha1-mnWdOcXy/1A/1TAGRu1EX4jE+a8=
+  dependencies:
+    jsonify "~0.0.0"
+
 json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
@@ -2875,6 +2988,11 @@ jsonfile@^4.0.0:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
+jsonify@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
+  integrity sha1-LHS27kHZPKUbe1qu6PUDYx0lKnM=
+
 jsprim@^1.2.2:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.1.tgz#313e66bc1e5cc06e438bc1b7499c2e5c56acb6a2"
@@ -3308,7 +3426,7 @@ minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
   resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
   integrity sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo=
 
-minimatch@3.0.4, minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.4:
+"minimatch@2 || 3", minimatch@3.0.4, minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
@@ -3729,6 +3847,18 @@ path-posix@^1.0.0:
   resolved "https://registry.yarnpkg.com/path-posix/-/path-posix-1.0.0.tgz#06b26113f56beab042545a23bfa88003ccac260f"
   integrity sha1-BrJhE/Vr6rBCVFojv6iAA8ysJg8=
 
+path-root-regex@^0.1.0:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/path-root-regex/-/path-root-regex-0.1.2.tgz#bfccdc8df5b12dc52c8b43ec38d18d72c04ba96d"
+  integrity sha1-v8zcjfWxLcUsi0PsONGNcsBLqW0=
+
+path-root@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/path-root/-/path-root-0.1.1.tgz#9a4a6814cac1c0cd73360a95f32083c8ea4745b7"
+  integrity sha1-mkpoFMrBwM1zNgqV8yCDyOpHRbc=
+  dependencies:
+    path-root-regex "^0.1.0"
+
 pbkdf2@^3.0.3:
   version "3.0.17"
   resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.17.tgz#976c206530617b14ebb32114239f7b09336e93a6"
@@ -4154,7 +4284,7 @@ resolve@1.5.0:
   dependencies:
     path-parse "^1.0.5"
 
-resolve@^1.3.2, resolve@^1.8.1:
+resolve@^1.3.2, resolve@^1.4.0, resolve@^1.8.1:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.10.0.tgz#3bdaaeaf45cc07f375656dfd2e54ed0810b101ba"
   integrity sha512-3sUr9aq5OfSg2S9pNtPA9hL1FVEAjvfOC4leW0SNf/mpnaakz2a9femSd6LqAww2RaFctwyf1lCqnTHuF1rxDg==
@@ -4166,7 +4296,7 @@ ret@~0.1.10:
   resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
   integrity sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==
 
-rimraf@^2.2.8, rimraf@^2.3.4, rimraf@^2.4.3, rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.2:
+rimraf@^2.2.8, rimraf@^2.3.4, rimraf@^2.4.3, rimraf@^2.5.3, rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.2:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.3.tgz#b2d104fe0d8fb27cf9e0a1cda8262dd3833c6cab"
   integrity sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==
@@ -4181,7 +4311,7 @@ ripemd160@^2.0.0, ripemd160@^2.0.1:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
-rsvp@^3.0.14, rsvp@^3.0.17:
+rsvp@^3.0.14, rsvp@^3.0.17, rsvp@^3.0.18:
   version "3.6.2"
   resolved "https://registry.yarnpkg.com/rsvp/-/rsvp-3.6.2.tgz#2e96491599a96cde1b515d5674a8f7a91452926a"
   integrity sha512-OfWGQTb9vnwRjwtA2QwpG2ICclHC3pgXZO5xt8H2EfgDquO0qVdSb5T88L4qJVAEugbS56pAuV4XZM58UX8ulw==
@@ -4583,7 +4713,7 @@ symbol-tree@^3.2.2:
   resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.2.tgz#ae27db38f660a7ae2e1c3b7d1bc290819b8519e6"
   integrity sha1-rifbOPZgp64uHDt9G8KQgZuFGeY=
 
-symlink-or-copy@^1.0.0, symlink-or-copy@^1.1.8, symlink-or-copy@^1.2.0:
+symlink-or-copy@^1.0.0, symlink-or-copy@^1.0.1, symlink-or-copy@^1.1.8, symlink-or-copy@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/symlink-or-copy/-/symlink-or-copy-1.2.0.tgz#5d49108e2ab824a34069b68974486c290020b393"
   integrity sha512-W31+GLiBmU/ZR02Ii0mVZICuNEN9daZ63xZMPDsYgPgNjMtg+atqLEGI7PPI936jYSQZxoLb/63xos8Adrx4Eg==
@@ -4629,6 +4759,11 @@ terser@^3.16.1:
     source-map "~0.6.1"
     source-map-support "~0.5.9"
 
+"textextensions@1 || 2":
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/textextensions/-/textextensions-2.4.0.tgz#6a143a985464384cc2cff11aea448cd5b018e72b"
+  integrity sha512-qftQXnX1DzpSV8EddtHIT0eDDEiBF8ywhFYR2lI9xrGtxqKN+CvLXhACeCIGbCpQfxxERbrkZEFb8cZcDKbVZA==
+
 thread-loader@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/thread-loader/-/thread-loader-1.2.0.tgz#35dedb23cf294afbbce6c45c1339b950ed17e7a4"
@@ -4891,6 +5026,11 @@ use@^3.1.0:
   resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
   integrity sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==
 
+username-sync@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/username-sync/-/username-sync-1.0.2.tgz#0a3697909fb7b5768d29e2921f573acfdd427592"
+  integrity sha512-ayNkOJdoNSGNDBE46Nkc+l6IXmeugbzahZLSMkwvgRWv5y5ZqNY2IrzcgmkR4z32sj1W3tM3TuTUMqkqBzO+RA==
+
 util-deprecate@^1.0.1, util-deprecate@^1.0.2, util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"