Initial commit of 001code-html Scratch frontend project.

Includes scratch-gui, scratch-vm, scratch-blocks, scratch-render, scratch-l10n, and deployment config.

Co-authored-by: Cursor <cursoragent@cursor.com>

scratch-vm/test/.eslintrc.js

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+module.exports = {
+    rules: {
+        'no-undefined': [0]
+    }
+};

scratch-vm/test/fixtures/dispatch-test-service.js

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+class DispatchTestService {
+    returnFortyTwo () {
+        return 42;
+    }
+
+    doubleArgument (x) {
+        return 2 * x;
+    }
+
+    throwException () {
+        throw new Error('This is a test exception thrown by DispatchTest');
+    }
+}
+
+module.exports = DispatchTestService;

scratch-vm/test/fixtures/dispatch-test-worker-shim.js

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+const Module = require('module');
+
+const callsite = require('callsite');
+const path = require('path');
+
+const oldRequire = Module.prototype.require;
+Module.prototype.require = function (target) {
+    if (target.indexOf('/') === -1 || target.startsWith('@')) {
+        // we really do just want to forward the arguments here
+        // eslint-disable-next-line prefer-rest-params
+        return oldRequire.apply(this, arguments);
+    }
+
+    const stack = callsite();
+    const callerFile = stack[2].getFileName();
+    const callerDir = path.dirname(callerFile);
+    target = path.resolve(callerDir, target);
+    return oldRequire.call(this, target);
+};
+
+oldRequire(path.resolve(__dirname, 'dispatch-test-worker'));

scratch-vm/test/fixtures/dispatch-test-worker.js

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+const dispatch = require('../../src/dispatch/worker-dispatch');
+const DispatchTestService = require('./dispatch-test-service');
+const log = require('../../src/util/log');
+
+dispatch.setService('RemoteDispatchTest', new DispatchTestService());
+
+dispatch.waitForConnection.then(() => {
+    dispatch.call('test', 'onWorkerReady').catch(e => {
+        log(`Test worker failed to call onWorkerReady: ${JSON.stringify(e)}`);
+    });
+});

scratch-vm/test/fixtures/events.json

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+{
+    "create": {
+        "workspaceId": "7Luws3lyb*Z98~Kk+IG|",
+        "group": ";OswyM#@%`%,xOrhOXC=",
+        "recordUndo": true,
+        "name": "block",
+        "xml": {
+            "outerHTML": "<block type=\"wedo_motorclockwise\" id=\"z!+#Nqr,_(V=xz0y7a@d\"><value name=\"DURATION\"><shadow type=\"math_number\" id=\"!6Ahqg4f}Ljl}X5Hws?Z\"><field name=\"NUM\">10</field></shadow></value></block>"
+        },
+        "ids": [
+            "z!+#Nqr,_(V=xz0y7a@d",
+            "!6Ahqg4f}Ljl}X5Hws?Z"
+        ]
+    },
+    "createComment": {
+        "workspaceId": "7Luws3lyb*Z98~Kk+IG|",
+        "group": ";OswyM#@%`%,xOrhOXC=",
+        "recordUndo": true,
+        "name": "block",
+        "xml": {
+            "outerHTML": "<block type=\"wedo_motorclockwise\" id=\"z!+#Nqr,_(V=xz0y7a@d\"><comment id=\"aCommentId\">Some comment text</comment><value name=\"DURATION\"><shadow type=\"math_number\" id=\"!6Ahqg4f}Ljl}X5Hws?Z\"><field name=\"NUM\">10</field></shadow></value></block>"
+        },
+        "ids": [
+            "z!+#Nqr,_(V=xz0y7a@d",
+            "!6Ahqg4f}Ljl}X5Hws?Z"
+        ]
+    },
+    "createbranch": {
+        "name": "block",
+        "xml": {
+            "outerHTML": "<block type=\"control_forever\" id=\"r9`RpL74T6*SXPKv7}Dq\" x=\"61\" y=\"90\"><statement name=\"SUBSTACK\"><block type=\"control_wait\" id=\"{Rwt[LFtD1-JPAi-qf:.\"><value name=\"DURATION\"><shadow type=\"math_number\" id=\"VMDxt_9SYe5{*eNRe5dZ\"><field name=\"NUM\">1</field></shadow></value></block></statement></block>"
+        }
+    },
+    "createtwobranches": {
+        "name": "block",
+        "xml": {
+            "outerHTML": "<block type=\"control_if_else\" id=\"8W?lmIY!Tgnh)~0!G#9-\" x=\"87\" y=\"159\"><statement name=\"SUBSTACK\"><block type=\"event_broadcast\" id=\"lgU2GGtwlREuasCB02Vr\"></block></statement><statement name=\"SUBSTACK2\"><block type=\"event_broadcast\" id=\"Gb]N,2P;|J%F?pxSwz(2\"></block></statement></block>"
+        }
+    },
+    "createtoplevelshadow": {
+        "name": "shadow",
+        "xml": {
+            "outerHTML": "<shadow type=\"math_number\" id=\"z9d57=IUI5se;DBbyug)\"><field name=\"NUM\">4</field></shadow>"
+        }
+    },
+    "createwithnext": {
+        "name": "block",
+        "xml": {
+            "outerHTML": "<block type=\"wedo_setcolor\" id=\"*CT)7+UKjQIEtUw.OGT6\" x=\"89\" y=\"48\"><next><block type=\"wedo_motorspeed\" id=\"Er*:^o7yYL#dX+5)R^xq\"></block></next></block>"
+        }
+    },
+    "createinvalid": {
+        "name": "whatever",
+        "xml": {
+            "outerHTML": "<xml></xml>"
+        }
+    },
+    "createinvalidgrandchild": {
+        "name": "block",
+        "xml": {
+            "outerHTML": "<block type=\"control_forever\" id=\"r9`RpL74T6*SXPKv7}Dq\" x=\"61\" y=\"90\"><next><invalidgrandchild>xxx</invalidgrandchild></next></block>"
+        }
+    },
+    "createbadxml": {
+        "name": "whatever",
+        "xml": {
+            "outerHTML": "></xml>"
+        }
+    },
+    "createemptyfield": {
+        "name": "block",
+        "xml": {
+            "outerHTML":  "<block type='operator_equals' id='l^H_{8[DDyDW?m)HIt@b' x='100' y='362'><value name='OPERAND1'><shadow type='text' id='Ud@4y]bc./]uv~te?brb'><field name='TEXT'></field></shadow></value><value name='OPERAND2'><shadow type='text' id='p8[y..,[K;~G,k7]N;08'><field name='TEXT'></field></shadow></value></block>"
+        }
+    },
+    "createvariablewithentity": {
+        "name": "block",
+        "xml": {
+            "outerHTML":  "<block type='data_variable' id='/b?}ZGt/N5FmS2yw5GHZ' x='0' y='0'><field name='VARIABLE' id='k-q!YMpHim*lrSX)v(8t' variabletype=''>this &amp; that</field></block>"
+        }
+    },
+    "createobscuredshadow": {
+        "name": "block",
+        "xml": {
+            "outerHTML": "<block type='operator_add' id='D;MqidqmaN}Dft)y#Bf`' x='80' y='98'><value name='NUM1'><shadow type='math_number' id='F[IFAdLbq8!q25+Nio@i'><field name='NUM'></field></shadow><block type='sensing_answer' id='D~ZQ|BYb1)xw4)8ziI%.'></block</value><value name='NUM2'><shadow type='math_number' id='|Sjv4!*X6;wj?QaCE{-9'><field name='NUM'></field></shadow></value></block>"
+        }
+    },
+    "createcommentUpdatePosition": {
+        "name": "comment",
+        "type": "comment_create",
+        "commentId": "a comment",
+        "xy": {"x": 10, "y": 20}
+    },
+    "mockVariableBlock": {
+        "name": "block",
+        "xml": {
+            "outerHTML": "<block type='data_variable' id='a block' x='0' y='0'><field name='VARIABLE' id='mock var id' variabletype=''>a mock variable</field></block>"
+        }
+    },
+    "mockBroadcastBlock": {
+        "name": "block",
+        "xml": {
+            "outerHTML": "<block type='event_broadcast' id='a broadcast block' x='0' y='0'><value name='BROADCAST_INPUT' id='mock broadcast input'><shadow id='boadcast shadow' type='event_broadcast_menu'><field name='BROADCAST_OPTION' id='mock broadcast message id' variabletype='broadcast-msg'>my message</field></shadow></value></block>"
+        }
+    },
+    "mockListBlock": {
+        "name": "block",
+        "xml": {
+            "outerHTML": "<block type='data_listcontents' id='another block' x='0' y='0'><field name='LIST' id='mock list id' variabletype=''>a mock list</field></block>"
+        }
+    }
+}

scratch-vm/test/fixtures/execute/README.md

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+Tests in this folder are run in scratch by integration/execute.js. The tests can SAY test messages that map to tap methods. Read integration/execute.js for more.
+
+Tests whose names start with `tw-` are added by TurboWarp. Some of these tests are based on real projects from the scratch.mit.edu website, in which case their filename contains the original project ID and additional credits are within the project's scripts. We believe our use of these projects is fair use as the projects have been sufficiently modified and stripped down such that the project found here bears not even a slight resemblance to the original project.