run npm install to generate a package lock

node_modules/@weborigami/language/test/runtime/EventTargetMixin.test.js

@@ -0,0 +1,68 @@
+import assert from "node:assert";
+import { describe, test } from "node:test";
+import EventTargetMixin from "../../src/runtime/EventTargetMixin.js";
+
+class EventTargetTest extends EventTargetMixin(Object) {}
+
+describe("EventTargetMixin", () => {
+  test("add and dispatch event", () => {
+    const fixture = new EventTargetTest();
+    const event = new Event("test");
+    let callCount = 0;
+    const callback = () => {
+      callCount++;
+    };
+    fixture.addEventListener("test", callback);
+    // Add twice, ensure that the callback is only called once.
+    fixture.addEventListener("test", callback);
+    const dispatched = fixture.dispatchEvent(event);
+    assert(dispatched);
+    assert.equal(callCount, 1);
+  });
+
+  test("dispatch event with no listeners", () => {
+    const fixture = new EventTargetTest();
+    const event = new Event("test");
+    const takeDefaultAction = fixture.dispatchEvent(event);
+    assert(takeDefaultAction);
+  });
+
+  test("remove event listener", () => {
+    const fixture = new EventTargetTest();
+    const event = new Event("test");
+    let callCount = 0;
+    const callback = () => {
+      callCount++;
+    };
+    fixture.addEventListener("test", callback);
+    fixture.removeEventListener("test", callback);
+    fixture.dispatchEvent(event);
+    assert.equal(callCount, 0);
+  });
+
+  test("stop immediate propagation", () => {
+    const fixture = new EventTargetTest();
+    const event = new Event("test");
+    let callCount = 0;
+    fixture.addEventListener("test", (event) => {
+      callCount++;
+      event.stopImmediatePropagation();
+    });
+    fixture.addEventListener("test", () => {
+      callCount++;
+    });
+    fixture.dispatchEvent(event);
+    assert.equal(callCount, 1);
+  });
+
+  test("prevent default", () => {
+    const fixture = new EventTargetTest();
+    const event = new Event("test");
+    fixture.addEventListener("test", (event) => {
+      event.preventDefault();
+    });
+    const takeDefaultAction = fixture.dispatchEvent(event);
+    assert(!takeDefaultAction);
+    assert(event.defaultPrevented);
+  });
+});

node_modules/@weborigami/language/test/runtime/OrigamiFiles.test.js

@@ -0,0 +1,37 @@
+import assert from "node:assert";
+import * as fs from "node:fs/promises";
+import path from "node:path";
+import { describe, test } from "node:test";
+import { fileURLToPath } from "node:url";
+import OrigamiFiles from "../../src/runtime/OrigamiFiles.js";
+
+const dirname = path.dirname(fileURLToPath(import.meta.url));
+const tempDirectory = path.join(dirname, "fixtures/temp");
+
+describe("OrigamiFiles", () => {
+  test("can watch its folder for changes", { timeout: 2000 }, async () => {
+    await createTempDirectory();
+    const tempFiles = new OrigamiFiles(tempDirectory);
+    const changedFileName = await new Promise(async (resolve) => {
+      // @ts-ignore
+      tempFiles.addEventListener("change", (event) => {
+        resolve(/** @type {any} */ (event).options.key);
+      });
+      // @ts-ignore
+      await tempFiles.set(
+        "foo.txt",
+        "This file is left over from testing and can be removed."
+      );
+    });
+    await removeTempDirectory();
+    assert.equal(changedFileName, "foo.txt");
+  });
+});
+
+async function createTempDirectory() {
+  await fs.mkdir(tempDirectory, { recursive: true });
+}
+
+async function removeTempDirectory() {
+  await fs.rm(tempDirectory, { recursive: true });
+}

node_modules/@weborigami/language/test/runtime/evaluate.test.js

@@ -0,0 +1,85 @@
+import { ObjectTree } from "@weborigami/async-tree";
+import assert from "node:assert";
+import { describe, test } from "node:test";
+import * as ops from "../../src/runtime/ops.js";
+
+import evaluate from "../../src/runtime/evaluate.js";
+
+describe("evaluate", () => {
+  test("can retrieve values from scope", async () => {
+    const code = createCode([ops.scope, "message"]);
+    const parent = new ObjectTree({
+      message: "Hello",
+    });
+    const tree = new ObjectTree({});
+    tree.parent = parent;
+    const result = await evaluate.call(tree, code);
+    assert.equal(result, "Hello");
+  });
+
+  test("can invoke functions in scope", async () => {
+    // Match the array representation of code generated by the parser.
+    const code = createCode([
+      [ops.scope, "greet"],
+      [ops.scope, "name"],
+    ]);
+
+    const tree = new ObjectTree({
+      async greet(name) {
+        return `Hello ${name}`;
+      },
+      name: "world",
+    });
+
+    const result = await evaluate.call(tree, code);
+    assert.equal(result, "Hello world");
+  });
+
+  test("passes context to invoked functions", async () => {
+    const code = createCode([ops.scope, "fn"]);
+    const tree = new ObjectTree({
+      async fn() {
+        assert.equal(this, tree);
+      },
+    });
+    await evaluate.call(tree, code);
+  });
+
+  test("evaluates a function with fixed number of arguments", async () => {
+    const fn = (x, y) => ({
+      c: `${x}${y}c`,
+    });
+    const code = createCode([ops.traverse, fn, "a", "b", "c"]);
+    assert.equal(await evaluate.call(null, code), "abc");
+  });
+
+  test("if object in function position isn't a function, can unpack it", async () => {
+    const fn = (...args) => args.join(",");
+    const packed = new String();
+    /** @type {any} */ (packed).unpack = async () => fn;
+    const code = createCode([packed, "a", "b", "c"]);
+    const result = await evaluate.call(null, code);
+    assert.equal(result, "a,b,c");
+  });
+
+  test("by defalut sets the parent of a returned tree to the current tree", async () => {
+    const fn = () => new ObjectTree({});
+    const code = createCode([fn]);
+    const tree = new ObjectTree({});
+    const result = await evaluate.call(tree, code);
+    assert.equal(result.parent, tree);
+  });
+});
+
+/**
+ * @returns {import("../../index.ts").Code}
+ */
+function createCode(array) {
+  const code = array;
+  /** @type {any} */ (code).location = {
+    source: {
+      text: "",
+    },
+  };
+  return code;
+}

node_modules/@weborigami/language/test/runtime/expressionObject.test.js

@@ -0,0 +1,76 @@
+import { ObjectTree, symbols, Tree } from "@weborigami/async-tree";
+import assert from "node:assert";
+import { describe, test } from "node:test";
+
+import expressionObject from "../../src/runtime/expressionObject.js";
+import { ops } from "../../src/runtime/internal.js";
+
+describe("expressionObject", () => {
+  test("can instantiate an object", async () => {
+    const scope = new ObjectTree({
+      upper: (s) => s.toUpperCase(),
+    });
+
+    const entries = [
+      ["hello", [[ops.scope, "upper"], "hello"]],
+      ["world", [[ops.scope, "upper"], "world"]],
+    ];
+
+    const object = await expressionObject(entries, scope);
+    assert.equal(await object.hello, "HELLO");
+    assert.equal(await object.world, "WORLD");
+    assert.equal(object[symbols.parent], scope);
+  });
+
+  test("can define a property getter", async () => {
+    let count = 0;
+    const increment = () => count++;
+    const entries = [["count", [ops.getter, [increment]]]];
+    const object = await expressionObject(entries, null);
+    assert.equal(await object.count, 0);
+    assert.equal(await object.count, 1);
+  });
+
+  test("treats a getter for a primitive value as a regular property", async () => {
+    const entries = [["name", [ops.getter, "world"]]];
+    const object = await expressionObject(entries, null);
+    assert.equal(object.name, "world");
+  });
+
+  test("can instantiate an Origami tree", async () => {
+    const entries = [
+      ["name", "world"],
+      ["message", [ops.concat, "Hello, ", [ops.scope, "name"], "!"]],
+    ];
+    const parent = new ObjectTree({});
+    const object = await expressionObject(entries, parent);
+    assert.deepEqual(await Tree.plain(object), {
+      name: "world",
+      message: "Hello, world!",
+    });
+    assert.equal(object[symbols.parent], parent);
+  });
+
+  test("returned object values can be unpacked", async () => {
+    const entries = [["data.json", `{ "a": 1 }`]];
+    const parent = new ObjectTree({
+      "json.handler": {
+        unpack: JSON.parse,
+      },
+    });
+    const result = await expressionObject(entries, parent);
+    const dataJson = await result["data.json"];
+    const json = await dataJson.unpack();
+    assert.deepEqual(json, { a: 1 });
+  });
+
+  test("a key declared with parentheses is not enumerable", async () => {
+    const entries = [
+      ["(hidden)", "shh"],
+      ["visible", "hey"],
+    ];
+    const object = await expressionObject(entries, null);
+    assert.deepEqual(Object.keys(object), ["visible"]);
+    assert.equal(object["hidden"], "shh");
+  });
+});

node_modules/@weborigami/language/test/runtime/fixtures/foo.js

@@ -0,0 +1 @@
+export default () => "bar";

node_modules/@weborigami/language/test/runtime/fixtures/makeTest/a

@@ -0,0 +1 @@
+Hello, world.

node_modules/@weborigami/language/test/runtime/fixtures/metagraphs/foo.txt

@@ -0,0 +1 @@
+Foo

node_modules/@weborigami/language/test/runtime/fixtures/metagraphs/greeting = this('world').js

@@ -0,0 +1,3 @@
+export default function (name) {
+  return `Hello, ${name}.`;
+}

node_modules/@weborigami/language/test/runtime/fixtures/metagraphs/obj = this.json

@@ -0,0 +1,5 @@
+{
+  "a": "Hello, a.",
+  "b": "Hello, b.",
+  "c": "Hello, c."
+}

node_modules/@weborigami/language/test/runtime/fixtures/metagraphs/sample.txt = this().js

@@ -0,0 +1,3 @@
+export default function () {
+  return "Hello, world.";
+}

node_modules/@weborigami/language/test/runtime/fixtures/metagraphs/string = this.json

@@ -0,0 +1 @@
+"Hello, world."

node_modules/@weborigami/language/test/runtime/fixtures/subgraph = this.js

@@ -0,0 +1,5 @@
+import { ObjectTree } from "@weborigami/async-tree";
+export default new ObjectTree({
+  a: "Hello, a.",
+  b: "Hello, b.",
+});

node_modules/@weborigami/language/test/runtime/fixtures/templates/greet.orit

@@ -0,0 +1,4 @@
+Greetings:
+
+{{ map(=`Hello, {{ _ }}.
+`)(names.yaml) }}

node_modules/@weborigami/language/test/runtime/fixtures/templates/index.orit

@@ -0,0 +1,15 @@
+---
+title: Greetings
+message: !ori title
+---
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width,initial-scale=1" />
+    <title>{{ title }}</title>
+  </head>
+  <body>
+    {{ message }}
+  </body>
+</html>

node_modules/@weborigami/language/test/runtime/fixtures/templates/names.yaml

@@ -0,0 +1,3 @@
+- Alice
+- Bob
+- Carol

node_modules/@weborigami/language/test/runtime/fixtures/templates/plain.txt

@@ -0,0 +1 @@
+Hello, world.

node_modules/@weborigami/language/test/runtime/fixtures/virtualKeys/.keys.json

@@ -0,0 +1 @@
+["a", "b", "c"]

node_modules/@weborigami/language/test/runtime/functionResultsMap.test.js

@@ -0,0 +1,24 @@
+import { ObjectTree, Tree, scope } from "@weborigami/async-tree";
+import assert from "node:assert";
+import { describe, test } from "node:test";
+import functionResultsMap from "../../src/runtime/functionResultsMap.js";
+
+describe("functionResultsMap", () => {
+  test("get() invokes functions using scope, returns other values as is", async () => {
+    const parent = new ObjectTree({
+      message: "Hello",
+    });
+    const tree = new ObjectTree({
+      fn: /** @this {import("@weborigami/types").AsyncTree} */ function () {
+        return scope(this).get("message");
+      },
+      string: "string",
+    });
+    tree.parent = parent;
+    const fixture = functionResultsMap(tree);
+    assert.deepEqual(await Tree.plain(fixture), {
+      fn: "Hello",
+      string: "string",
+    });
+  });
+});

node_modules/@weborigami/language/test/runtime/handlers.test.js

@@ -0,0 +1,39 @@
+import { ObjectTree } from "@weborigami/async-tree";
+import assert from "node:assert";
+import { describe, test } from "node:test";
+import { handleExtension } from "../../src/runtime/handlers.js";
+
+describe("handlers", () => {
+  test("attaches an unpack method to a value with an extension", async () => {
+    const fixture = createFixture();
+    const numberValue = await fixture.get("foo");
+    assert(typeof numberValue === "number");
+    assert.equal(numberValue, 1);
+    const jsonFile = await fixture.get("bar.json");
+    const withHandler = await handleExtension(fixture, jsonFile, "bar.json");
+    assert.equal(String(withHandler), `{ "bar": 2 }`);
+    const data = await withHandler.unpack();
+    assert.deepEqual(data, { bar: 2 });
+  });
+
+  test("immediately unpacks if key ends in slash", async () => {
+    const fixture = createFixture();
+    const jsonFile = await fixture.get("bar.json");
+    const data = await handleExtension(fixture, jsonFile, "bar.json/");
+    assert.deepEqual(data, { bar: 2 });
+  });
+});
+
+function createFixture() {
+  const parent = new ObjectTree({
+    "json.handler": {
+      unpack: (buffer) => JSON.parse(String(buffer)),
+    },
+  });
+  let tree = new ObjectTree({
+    foo: 1, // No extension, should be left alone
+    "bar.json": `{ "bar": 2 }`,
+  });
+  tree.parent = parent;
+  return tree;
+}

node_modules/@weborigami/language/test/runtime/mergeTrees.test.js

@@ -0,0 +1,50 @@
+import { Tree } from "@weborigami/async-tree";
+import assert from "node:assert";
+import { describe, test } from "node:test";
+import mergeTrees from "../../src/runtime/mergeTrees.js";
+
+describe("mergeTrees", () => {
+  test("merges trees", async () => {
+    const tree = await mergeTrees.call(
+      null,
+      {
+        a: 1,
+        b: 2,
+      },
+      {
+        b: 3,
+        c: 4,
+      }
+    );
+    // @ts-ignore
+    assert.deepEqual(await Tree.plain(tree), {
+      a: 1,
+      b: 3,
+      c: 4,
+    });
+  });
+
+  test("if all arguments are plain objects, result is a plain object", async () => {
+    const result = await mergeTrees.call(
+      null,
+      {
+        a: 1,
+        b: 2,
+      },
+      {
+        b: 3,
+        c: 4,
+      }
+    );
+    assert.deepEqual(result, {
+      a: 1,
+      b: 3,
+      c: 4,
+    });
+  });
+
+  test("if all arguments are arrays, result is an array", async () => {
+    const result = await mergeTrees.call(null, [1, 2], [3, 4]);
+    assert.deepEqual(result, [1, 2, 3, 4]);
+  });
+});

node_modules/@weborigami/language/test/runtime/ops.test.js

@@ -0,0 +1,358 @@
+import { ObjectTree } from "@weborigami/async-tree";
+import assert from "node:assert";
+import { describe, test } from "node:test";
+
+import { evaluate, ops } from "../../src/runtime/internal.js";
+
+describe("ops", () => {
+  test("ops.addition adds two numbers", async () => {
+    assert.strictEqual(ops.addition(2, 2), 4);
+    assert.strictEqual(ops.addition(2, true), 3);
+  });
+
+  test("ops.addition concatenates two strings", async () => {
+    assert.strictEqual(ops.addition("hello ", "everyone"), "hello everyone");
+    assert.strictEqual(
+      ops.addition("2001", ": A Space Odyssey"),
+      "2001: A Space Odyssey"
+    );
+  });
+
+  test("ops.array creates an array", async () => {
+    const code = createCode([ops.array, 1, 2, 3]);
+    const result = await evaluate.call(null, code);
+    assert.deepEqual(result, [1, 2, 3]);
+  });
+
+  test("ops.bitwiseAnd", () => {
+    assert.strictEqual(ops.bitwiseAnd(5, 3), 1);
+  });
+
+  test("ops.bitwiseNot", () => {
+    assert.strictEqual(ops.bitwiseNot(5), -6);
+    assert.strictEqual(ops.bitwiseNot(-3), 2);
+  });
+
+  test("ops.bitwiseOr", () => {
+    assert.strictEqual(ops.bitwiseOr(5, 3), 7);
+  });
+
+  test("ops.bitwiseXor", () => {
+    assert.strictEqual(ops.bitwiseXor(5, 3), 6);
+  });
+
+  test("ops.builtin gets a value from the top of the scope chain", async () => {
+    const root = new ObjectTree({
+      a: 1,
+    });
+    const tree = new ObjectTree({});
+    tree.parent = root;
+    const code = createCode([ops.builtin, "a"]);
+    const result = await evaluate.call(tree, code);
+    assert.strictEqual(result, 1);
+  });
+
+  test("ops.comma returns the last value", async () => {
+    const code = createCode([ops.comma, 1, 2, 3]);
+    const result = await evaluate.call(null, code);
+    assert.strictEqual(result, 3);
+  });
+
+  test("ops.concat concatenates tree value text", async () => {
+    const scope = new ObjectTree({
+      name: "world",
+    });
+
+    const code = createCode([ops.concat, "Hello, ", [ops.scope, "name"], "."]);
+
+    const result = await evaluate.call(scope, code);
+    assert.strictEqual(result, "Hello, world.");
+  });
+
+  test("ops.conditional", async () => {
+    assert.strictEqual(await ops.conditional(true, trueFn, falseFn), true);
+    assert.strictEqual(await ops.conditional(true, falseFn, trueFn), false);
+    assert.strictEqual(await ops.conditional(false, trueFn, falseFn), false);
+    assert.strictEqual(await ops.conditional(false, falseFn, trueFn), true);
+
+    // Short-circuiting
+    assert.strictEqual(await ops.conditional(false, errorFn, trueFn), true);
+  });
+
+  test("ops.division divides two numbers", async () => {
+    assert.strictEqual(ops.division(12, 2), 6);
+    assert.strictEqual(ops.division(3, 2), 1.5);
+    assert.strictEqual(ops.division(6, "3"), 2);
+    assert.strictEqual(ops.division(2, 0), Infinity);
+  });
+
+  test("ops.equal", () => {
+    assert(ops.equal(1, 1));
+    assert(!ops.equal(1, 2));
+    assert(ops.equal("1", 1));
+    assert(ops.equal("1", "1"));
+    assert(ops.equal(null, undefined));
+  });
+
+  test("ops.exponentiation", () => {
+    assert.strictEqual(ops.exponentiation(2, 3), 8);
+    assert.strictEqual(ops.exponentiation(2, 0), 1);
+  });
+
+  test("ops.external looks up a value in scope and memoizes it", async () => {
+    let count = 0;
+    const tree = new ObjectTree({
+      get count() {
+        return ++count;
+      },
+    });
+    const code = createCode([ops.external, "count", {}]);
+    const result = await evaluate.call(tree, code);
+    assert.strictEqual(result, 1);
+    const result2 = await evaluate.call(tree, code);
+    assert.strictEqual(result2, 1);
+  });
+
+  test("ops.greaterThan", () => {
+    assert(ops.greaterThan(5, 3));
+    assert(!ops.greaterThan(3, 3));
+    assert(ops.greaterThan("ab", "aa"));
+  });
+
+  test("ops.greaterThanOrEqual", () => {
+    assert(ops.greaterThanOrEqual(5, 3));
+    assert(ops.greaterThanOrEqual(3, 3));
+    assert(ops.greaterThanOrEqual("ab", "aa"));
+  });
+
+  test("ops.inherited searches inherited scope", async () => {
+    const parent = new ObjectTree({
+      a: 1, // This is the inherited value we want
+    });
+    /** @type {any} */
+    const child = new ObjectTree({
+      a: 2, // Should be ignored
+    });
+    child.parent = parent;
+    const code = createCode([ops.inherited, "a"]);
+    const result = await evaluate.call(child, code);
+    assert.strictEqual(result, 1);
+  });
+
+  test("ops.lambda defines a function with no inputs", async () => {
+    const code = createCode([ops.lambda, [], [ops.literal, "result"]]);
+    const fn = await evaluate.call(null, code);
+    const result = await fn.call();
+    assert.strictEqual(result, "result");
+  });
+
+  test("ops.lambda defines a function with underscore input", async () => {
+    const scope = new ObjectTree({
+      message: "Hello",
+    });
+
+    const code = createCode([ops.lambda, ["_"], [ops.scope, "message"]]);
+
+    const fn = await evaluate.call(scope, code);
+    const result = await fn.call(scope);
+    assert.strictEqual(result, "Hello");
+  });
+
+  test("ops.lambda adds input parameters to scope", async () => {
+    const code = createCode([
+      ops.lambda,
+      ["a", "b"],
+      [ops.concat, [ops.scope, "b"], [ops.scope, "a"]],
+    ]);
+    const fn = await evaluate.call(null, code);
+    const result = await fn("x", "y");
+    assert.strictEqual(result, "yx");
+  });
+
+  test("ops.lessThan", () => {
+    assert(!ops.lessThan(5, 3));
+    assert(!ops.lessThan(3, 3));
+    assert(ops.lessThan("aa", "ab"));
+  });
+
+  test("ops.lessThanOrEqual", () => {
+    assert(!ops.lessThanOrEqual(5, 3));
+    assert(ops.lessThanOrEqual(3, 3));
+    assert(ops.lessThanOrEqual("aa", "ab"));
+  });
+
+  test("ops.logicalAnd", async () => {
+    assert.strictEqual(await ops.logicalAnd(true, trueFn), true);
+    assert.strictEqual(await ops.logicalAnd(true, falseFn), false);
+    assert.strictEqual(await ops.logicalAnd(false, trueFn), false);
+    assert.strictEqual(await ops.logicalAnd(false, falseFn), false);
+
+    assert.strictEqual(await ops.logicalAnd(true, "hi"), "hi");
+
+    // Short-circuiting
+    assert.strictEqual(await ops.logicalAnd(false, errorFn), false);
+    assert.strictEqual(await ops.logicalAnd(0, true), 0);
+  });
+
+  test("ops.logicalNot", async () => {
+    assert.strictEqual(await ops.logicalNot(true), false);
+    assert.strictEqual(await ops.logicalNot(false), true);
+    assert.strictEqual(await ops.logicalNot(0), true);
+    assert.strictEqual(await ops.logicalNot(1), false);
+  });
+
+  test("ops.logicalOr", async () => {
+    assert.strictEqual(await ops.logicalOr(true, trueFn), true);
+    assert.strictEqual(await ops.logicalOr(true, falseFn), true);
+    assert.strictEqual(await ops.logicalOr(false, trueFn), true);
+    assert.strictEqual(await ops.logicalOr(false, falseFn), false);
+
+    assert.strictEqual(await ops.logicalOr(false, "hi"), "hi");
+
+    // Short-circuiting
+    assert.strictEqual(await ops.logicalOr(true, errorFn), true);
+  });
+
+  test("ops.multiplication multiplies two numbers", async () => {
+    assert.strictEqual(ops.multiplication(3, 4), 12);
+    assert.strictEqual(ops.multiplication(-3, 4), -12);
+    assert.strictEqual(ops.multiplication("3", 2), 6);
+    assert.strictEqual(ops.multiplication("foo", 2), NaN);
+  });
+
+  test("ops.notEqual", () => {
+    assert(!ops.notEqual(1, 1));
+    assert(ops.notEqual(1, 2));
+    assert(!ops.notEqual("1", 1));
+    assert(!ops.notEqual("1", "1"));
+    assert(!ops.notEqual(null, undefined));
+  });
+
+  test("ops.notStrictEqual", () => {
+    assert(!ops.notStrictEqual(1, 1));
+    assert(ops.notStrictEqual(1, 2));
+    assert(ops.notStrictEqual("1", 1));
+    assert(!ops.notStrictEqual("1", "1"));
+    assert(ops.notStrictEqual(null, undefined));
+  });
+
+  test("ops.nullishCoalescing", async () => {
+    assert.strictEqual(await ops.nullishCoalescing(1, falseFn), 1);
+    assert.strictEqual(await ops.nullishCoalescing(null, trueFn), true);
+    assert.strictEqual(await ops.nullishCoalescing(undefined, trueFn), true);
+
+    // Short-circuiting
+    assert.strictEqual(await ops.nullishCoalescing(1, errorFn), 1);
+  });
+
+  test("ops.object instantiates an object", async () => {
+    const scope = new ObjectTree({
+      upper: (s) => s.toUpperCase(),
+    });
+
+    const code = createCode([
+      ops.object,
+      ["hello", [[ops.scope, "upper"], "hello"]],
+      ["world", [[ops.scope, "upper"], "world"]],
+    ]);
+
+    const result = await evaluate.call(scope, code);
+    assert.strictEqual(result.hello, "HELLO");
+    assert.strictEqual(result.world, "WORLD");
+  });
+
+  test("ops.object instantiates an array", async () => {
+    const scope = new ObjectTree({
+      upper: (s) => s.toUpperCase(),
+    });
+    const code = createCode([
+      ops.array,
+      "Hello",
+      1,
+      [[ops.scope, "upper"], "world"],
+    ]);
+    const result = await evaluate.call(scope, code);
+    assert.deepEqual(result, ["Hello", 1, "WORLD"]);
+  });
+
+  test("ops.remainder calculates the remainder of two numbers", async () => {
+    assert.strictEqual(ops.remainder(13, 5), 3);
+    assert.strictEqual(ops.remainder(-13, 5), -3);
+    assert.strictEqual(ops.remainder(4, 2), 0);
+    assert.strictEqual(ops.remainder(-4, 2), -0);
+  });
+
+  test("ops.shiftLeft", () => {
+    assert.strictEqual(ops.shiftLeft(5, 2), 20);
+  });
+
+  test("ops.shiftRightSigned", () => {
+    assert.strictEqual(ops.shiftRightSigned(20, 2), 5);
+    assert.strictEqual(ops.shiftRightSigned(-20, 2), -5);
+  });
+
+  test("ops.shiftRightUnsigned", () => {
+    assert.strictEqual(ops.shiftRightUnsigned(20, 2), 5);
+    assert.strictEqual(ops.shiftRightUnsigned(-5, 2), 1073741822);
+  });
+
+  test("ops.strictEqual", () => {
+    assert(ops.strictEqual(1, 1));
+    assert(!ops.strictEqual(1, 2));
+    assert(!ops.strictEqual("1", 1));
+    assert(ops.strictEqual("1", "1"));
+    assert(!ops.strictEqual(null, undefined));
+    assert(ops.strictEqual(null, null));
+    assert(ops.strictEqual(undefined, undefined));
+  });
+
+  test("ops.subtraction subtracts two numbers", async () => {
+    assert.strictEqual(ops.subtraction(5, 3), 2);
+    assert.strictEqual(ops.subtraction(3.5, 5), -1.5);
+    assert.strictEqual(ops.subtraction(5, "hello"), NaN);
+    assert.strictEqual(ops.subtraction(5, true), 4);
+  });
+
+  test("ops.unaryMinus", () => {
+    assert.strictEqual(ops.unaryMinus(4), -4);
+    assert.strictEqual(ops.unaryMinus(-4), 4);
+  });
+
+  test("ops.unaryPlus", () => {
+    assert.strictEqual(ops.unaryPlus(1), 1);
+    assert.strictEqual(ops.unaryPlus(-1), -1);
+    assert.strictEqual(ops.unaryPlus(""), 0);
+  });
+
+  test("ops.unpack unpacks a value", async () => {
+    const fixture = new String("packed");
+    /** @type {any} */ (fixture).unpack = async () => "unpacked";
+    const result = await ops.unpack.call(null, fixture);
+    assert.strictEqual(result, "unpacked");
+  });
+});
+
+/**
+ * @returns {import("../../index.ts").Code}
+ */
+function createCode(array) {
+  const code = array;
+  /** @type {any} */ (code).location = {
+    source: {
+      text: "",
+    },
+  };
+  return code;
+}
+
+function errorFn() {
+  throw new Error("This should not be called");
+}
+
+function falseFn() {
+  return false;
+}
+
+function trueFn() {
+  return true;
+}

node_modules/@weborigami/language/test/runtime/taggedTemplate.test.js

@@ -0,0 +1,10 @@
+import assert from "node:assert";
+import { describe, test } from "node:test";
+import taggedTemplate from "../../src/runtime/taggedTemplate.js";
+
+describe("taggedTemplate", () => {
+  test("joins strings and values together", () => {
+    const result = taggedTemplate`a ${"b"} c`;
+    assert.equal(result, "a b c");
+  });
+});

node_modules/@weborigami/language/test/runtime/typos.test.js

@@ -0,0 +1,21 @@
+import assert from "node:assert";
+import { describe, test } from "node:test";
+import { isTypo, typos } from "../../src/runtime/typos.js";
+
+describe("typos", () => {
+  test("isTypo", () => {
+    assert(isTypo("cat", "bat")); // substitution
+    assert(isTypo("cat", "cats")); // insertion
+    assert(isTypo("cat", "cast")); // insertion
+    assert(isTypo("cat", "at")); // deletion
+    assert(isTypo("cat", "ca")); // deletion
+    assert(isTypo("cat", "cta")); // transposition
+    assert(isTypo("cat", "act")); // transposition
+    assert(!isTypo("cat", "dog")); // more than 1 edit
+  });
+
+  test("typos", () => {
+    const result = typos("cas", ["ask", "cat", "cast", "cats", "cart"]);
+    assert.deepEqual(result, ["cat", "cast", "cats"]);
+  });
+});