Updated the files.

my-app/node_modules/@schematics/angular/utility/change.js

@@ -0,0 +1,135 @@
+"use strict";
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.applyToUpdateRecorder = exports.ReplaceChange = exports.RemoveChange = exports.InsertChange = exports.NoopChange = void 0;
+/**
+ * An operation that does nothing.
+ */
+class NoopChange {
+    description = 'No operation.';
+    order = Infinity;
+    path = null;
+    apply() {
+        return Promise.resolve();
+    }
+}
+exports.NoopChange = NoopChange;
+/**
+ * Will add text to the source code.
+ */
+class InsertChange {
+    path;
+    pos;
+    toAdd;
+    order;
+    description;
+    constructor(path, pos, toAdd) {
+        this.path = path;
+        this.pos = pos;
+        this.toAdd = toAdd;
+        if (pos < 0) {
+            throw new Error('Negative positions are invalid');
+        }
+        this.description = `Inserted ${toAdd} into position ${pos} of ${path}`;
+        this.order = pos;
+    }
+    /**
+     * This method does not insert spaces if there is none in the original string.
+     */
+    apply(host) {
+        return host.read(this.path).then((content) => {
+            const prefix = content.substring(0, this.pos);
+            const suffix = content.substring(this.pos);
+            return host.write(this.path, `${prefix}${this.toAdd}${suffix}`);
+        });
+    }
+}
+exports.InsertChange = InsertChange;
+/**
+ * Will remove text from the source code.
+ */
+class RemoveChange {
+    path;
+    pos;
+    toRemove;
+    order;
+    description;
+    constructor(path, pos, toRemove) {
+        this.path = path;
+        this.pos = pos;
+        this.toRemove = toRemove;
+        if (pos < 0) {
+            throw new Error('Negative positions are invalid');
+        }
+        this.description = `Removed ${toRemove} into position ${pos} of ${path}`;
+        this.order = pos;
+    }
+    apply(host) {
+        return host.read(this.path).then((content) => {
+            const prefix = content.substring(0, this.pos);
+            const suffix = content.substring(this.pos + this.toRemove.length);
+            // TODO: throw error if toRemove doesn't match removed string.
+            return host.write(this.path, `${prefix}${suffix}`);
+        });
+    }
+}
+exports.RemoveChange = RemoveChange;
+/**
+ * Will replace text from the source code.
+ */
+class ReplaceChange {
+    path;
+    pos;
+    oldText;
+    newText;
+    order;
+    description;
+    constructor(path, pos, oldText, newText) {
+        this.path = path;
+        this.pos = pos;
+        this.oldText = oldText;
+        this.newText = newText;
+        if (pos < 0) {
+            throw new Error('Negative positions are invalid');
+        }
+        this.description = `Replaced ${oldText} into position ${pos} of ${path} with ${newText}`;
+        this.order = pos;
+    }
+    apply(host) {
+        return host.read(this.path).then((content) => {
+            const prefix = content.substring(0, this.pos);
+            const suffix = content.substring(this.pos + this.oldText.length);
+            const text = content.substring(this.pos, this.pos + this.oldText.length);
+            if (text !== this.oldText) {
+                return Promise.reject(new Error(`Invalid replace: "${text}" != "${this.oldText}".`));
+            }
+            // TODO: throw error if oldText doesn't match removed string.
+            return host.write(this.path, `${prefix}${this.newText}${suffix}`);
+        });
+    }
+}
+exports.ReplaceChange = ReplaceChange;
+function applyToUpdateRecorder(recorder, changes) {
+    for (const change of changes) {
+        if (change instanceof InsertChange) {
+            recorder.insertLeft(change.pos, change.toAdd);
+        }
+        else if (change instanceof RemoveChange) {
+            recorder.remove(change.order, change.toRemove.length);
+        }
+        else if (change instanceof ReplaceChange) {
+            recorder.remove(change.order, change.oldText.length);
+            recorder.insertLeft(change.order, change.newText);
+        }
+        else if (!(change instanceof NoopChange)) {
+            throw new Error('Unknown Change type encountered when updating a recorder.');
+        }
+    }
+}
+exports.applyToUpdateRecorder = applyToUpdateRecorder;