Collection Variables Support (#2963)

* Update package.json

* Update package.json

* Update package.json

* Update package.json

* draft: collection varaibles

* reverted jest command

* precedence update

* feat: updates

* feat: updates

* feat: updates

* feat: pre-vars values as strings

* feat: updates

---------

Co-authored-by: lohit <lohit.jiddimani@gmail.com>
Co-authored-by: lohit <lohxt.space@gmail.com>

package-lock.json

@@ -50,6 +50,7 @@
     },
     "node_modules/@ampproject/remapping": {
       "version": "2.3.0",
+      "dev": true,
       "license": "Apache-2.0",
       "dependencies": {
         "@jridgewell/gen-mapping": "^0.3.5",
@@ -670,6 +671,7 @@
     },
     "node_modules/@babel/compat-data": {
       "version": "7.25.2",
+      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=6.9.0"
@@ -677,6 +679,7 @@
     },
     "node_modules/@babel/core": {
       "version": "7.25.2",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "@ampproject/remapping": "^2.2.0",
@@ -740,6 +743,7 @@
     },
     "node_modules/@babel/helper-compilation-targets": {
       "version": "7.25.2",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "@babel/compat-data": "^7.25.2",
@@ -754,6 +758,7 @@
     },
     "node_modules/@babel/helper-compilation-targets/node_modules/lru-cache": {
       "version": "5.1.1",
+      "dev": true,
       "license": "ISC",
       "dependencies": {
         "yallist": "^3.0.2"
@@ -761,6 +766,7 @@
     },
     "node_modules/@babel/helper-compilation-targets/node_modules/yallist": {
       "version": "3.1.1",
+      "dev": true,
       "license": "ISC"
     },
     "node_modules/@babel/helper-create-class-features-plugin": {
@@ -839,6 +845,7 @@
     },
     "node_modules/@babel/helper-module-transforms": {
       "version": "7.25.2",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "@babel/helper-module-imports": "^7.24.7",
@@ -905,6 +912,7 @@
     },
     "node_modules/@babel/helper-simple-access": {
       "version": "7.24.7",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "@babel/traverse": "^7.24.7",
@@ -942,6 +950,7 @@
     },
     "node_modules/@babel/helper-validator-option": {
       "version": "7.24.8",
+      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=6.9.0"
@@ -962,6 +971,7 @@
     },
     "node_modules/@babel/helpers": {
       "version": "7.25.0",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "@babel/template": "^7.25.0",
@@ -3644,37 +3654,6 @@
         "node": ">=12"
       }
     },
-    "node_modules/@n8n/vm2": {
-      "version": "3.9.25",
-      "resolved": "https://registry.npmjs.org/@n8n/vm2/-/vm2-3.9.25.tgz",
-      "integrity": "sha512-qoGLFzyHBW7HKpwXkl05QKsIh3GkDw6lOiTOWYlUDnOIQ1b7EgM+O5EMjrMGy7r+kz52+Q7o6GLxBIcxVI8rEg==",
-      "license": "MIT",
-      "peer": true,
-      "dependencies": {
-        "acorn": "^8.7.0",
-        "acorn-walk": "^8.2.0"
-      },
-      "bin": {
-        "vm2": "bin/vm2"
-      },
-      "engines": {
-        "node": ">=18.10",
-        "pnpm": ">=9.6"
-      }
-    },
-    "node_modules/@n8n/vm2/node_modules/acorn": {
-      "version": "8.12.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.12.1.tgz",
-      "integrity": "sha512-tcpGyI9zbizT9JbV6oYE477V6mTlXvvi0T0G3SNIYE2apm/G5huBa1+K89VGeovbg+jycCrfhl3ADxErOuO6Jg==",
-      "license": "MIT",
-      "peer": true,
-      "bin": {
-        "acorn": "bin/acorn"
-      },
-      "engines": {
-        "node": ">=0.4.0"
-      }
-    },
     "node_modules/@next/env": {
       "version": "12.3.3",
       "license": "MIT"
@@ -4751,6 +4730,7 @@
     },
     "node_modules/@types/linkify-it": {
       "version": "5.0.0",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/@types/lodash": {
@@ -4759,6 +4739,7 @@
     },
     "node_modules/@types/markdown-it": {
       "version": "12.2.3",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "@types/linkify-it": "*",
@@ -4767,6 +4748,7 @@
     },
     "node_modules/@types/mdurl": {
       "version": "2.0.0",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/@types/minimatch": {
@@ -6240,6 +6222,7 @@
     },
     "node_modules/browserslist": {
       "version": "4.23.3",
+      "dev": true,
       "funding": [
         {
           "type": "opencollective",
@@ -7238,6 +7221,7 @@
     },
     "node_modules/convert-source-map": {
       "version": "2.0.0",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/cookie": {
@@ -8477,6 +8461,7 @@
     },
     "node_modules/electron-to-chromium": {
       "version": "1.5.11",
+      "dev": true,
       "license": "ISC"
     },
     "node_modules/electron-util": {
@@ -9438,6 +9423,7 @@
     },
     "node_modules/gensync": {
       "version": "1.0.0-beta.2",
+      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=6.9.0"
@@ -13186,6 +13172,7 @@
     },
     "node_modules/node-releases": {
       "version": "2.0.18",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/node-vault": {
@@ -16201,6 +16188,7 @@
     },
     "node_modules/semver": {
       "version": "6.3.1",
+      "dev": true,
       "license": "ISC",
       "bin": {
         "semver": "bin/semver.js"
@@ -17663,6 +17651,7 @@
     },
     "node_modules/update-browserslist-db": {
       "version": "1.1.0",
+      "dev": true,
       "funding": [
         {
           "type": "opencollective",
@@ -18633,7 +18622,7 @@
     },
     "packages/bruno-electron": {
       "name": "bruno",
-      "version": "v1.26.1",
+      "version": "v1.27.0",
       "dependencies": {
         "@aws-sdk/credential-providers": "3.525.0",
         "@usebruno/common": "0.1.0",

packages/bruno-app/src/components/CollectionSettings/Vars/StyledWrapper.js

@@ -0,0 +1,9 @@
+import styled from 'styled-components';
+
+const StyledWrapper = styled.div`
+  div.title {
+    color: var(--color-tab-inactive);
+  }
+`;
+
+export default StyledWrapper;

packages/bruno-app/src/components/CollectionSettings/Vars/VarsTable/StyledWrapper.js

@@ -0,0 +1,56 @@
+import styled from 'styled-components';
+
+const Wrapper = styled.div`
+  table {
+    width: 100%;
+    border-collapse: collapse;
+    font-weight: 600;
+    table-layout: fixed;
+
+    thead,
+    td {
+      border: 1px solid ${(props) => props.theme.table.border};
+    }
+
+    thead {
+      color: ${(props) => props.theme.table.thead.color};
+      font-size: 0.8125rem;
+      user-select: none;
+    }
+    td {
+      padding: 6px 10px;
+
+      &:nth-child(1) {
+        width: 30%;
+      }
+
+      &:nth-child(3) {
+        width: 70px;
+      }
+    }
+  }
+
+  .btn-add-var {
+    font-size: 0.8125rem;
+  }
+
+  input[type='text'] {
+    width: 100%;
+    border: solid 1px transparent;
+    outline: none !important;
+    background-color: inherit;
+
+    &:focus {
+      outline: none !important;
+      border: solid 1px transparent;
+    }
+  }
+
+  input[type='checkbox'] {
+    cursor: pointer;
+    position: relative;
+    top: 1px;
+  }
+`;
+
+export default Wrapper;

packages/bruno-app/src/components/CollectionSettings/Vars/VarsTable/index.js

@@ -0,0 +1,162 @@
+import React from 'react';
+import cloneDeep from 'lodash/cloneDeep';
+import { IconTrash } from '@tabler/icons';
+import { useDispatch } from 'react-redux';
+import { useTheme } from 'providers/Theme';
+import { saveCollectionRoot } from 'providers/ReduxStore/slices/collections/actions';
+import SingleLineEditor from 'components/SingleLineEditor';
+import InfoTip from 'components/InfoTip';
+import StyledWrapper from './StyledWrapper';
+import toast from 'react-hot-toast';
+import { variableNameRegex } from 'utils/common/regex';
+import {
+  addCollectionVar,
+  deleteCollectionVar,
+  updateCollectionVar
+} from 'providers/ReduxStore/slices/collections/index';
+
+const VarsTable = ({ collection, vars, varType }) => {
+  const dispatch = useDispatch();
+  const { storedTheme } = useTheme();
+
+  const addVar = () => {
+    dispatch(
+      addCollectionVar({
+        collectionUid: collection.uid,
+        type: varType
+      })
+    );
+  };
+
+  const onSave = () => dispatch(saveCollectionRoot(collection.uid));
+  const handleVarChange = (e, v, type) => {
+    const _var = cloneDeep(v);
+    switch (type) {
+      case 'name': {
+        const value = e.target.value;
+
+        if (variableNameRegex.test(value) === false) {
+          toast.error(
+            'Variable contains invalid characters! Variables must only contain alpha-numeric characters, "-", "_", "."'
+          );
+          return;
+        }
+
+        _var.name = value;
+        break;
+      }
+      case 'value': {
+        _var.value = e.target.value;
+        break;
+      }
+      case 'enabled': {
+        _var.enabled = e.target.checked;
+        break;
+      }
+    }
+    dispatch(
+      updateCollectionVar({
+        type: varType,
+        var: _var,
+        collectionUid: collection.uid
+      })
+    );
+  };
+
+  const handleRemoveVar = (_var) => {
+    dispatch(
+      deleteCollectionVar({
+        type: varType,
+        varUid: _var.uid,
+        collectionUid: collection.uid
+      })
+    );
+  };
+
+  return (
+    <StyledWrapper className="w-full">
+      <table>
+        <thead>
+          <tr>
+            <td>Name</td>
+            {varType === 'request' ? (
+              <td>
+                <div className="flex items-center">
+                  <span>Value</span>
+                  <InfoTip text="You can write any valid JS Template Literal here" infotipId="request-var" />
+                </div>
+              </td>
+            ) : (
+              <td>
+                <div className="flex items-center">
+                  <span>Expr</span>
+                  <InfoTip text="You can write any valid JS Template Literal here" infotipId="request-var" />
+                </div>
+              </td>
+            )}
+            <td></td>
+          </tr>
+        </thead>
+        <tbody>
+          {vars && vars.length
+            ? vars.map((_var) => {
+                return (
+                  <tr key={_var.uid}>
+                    <td>
+                      <input
+                        type="text"
+                        autoComplete="off"
+                        autoCorrect="off"
+                        autoCapitalize="off"
+                        spellCheck="false"
+                        value={_var.name}
+                        className="mousetrap"
+                        onChange={(e) => handleVarChange(e, _var, 'name')}
+                      />
+                    </td>
+                    <td>
+                      <SingleLineEditor
+                        value={_var.value}
+                        theme={storedTheme}
+                        onSave={onSave}
+                        onChange={(newValue) =>
+                          handleVarChange(
+                            {
+                              target: {
+                                value: newValue
+                              }
+                            },
+                            _var,
+                            'value'
+                          )
+                        }
+                        collection={collection}
+                      />
+                    </td>
+                    <td>
+                      <div className="flex items-center">
+                        <input
+                          type="checkbox"
+                          checked={_var.enabled}
+                          tabIndex="-1"
+                          className="mr-3 mousetrap"
+                          onChange={(e) => handleVarChange(e, _var, 'enabled')}
+                        />
+                        <button tabIndex="-1" onClick={() => handleRemoveVar(_var)}>
+                          <IconTrash strokeWidth={1.5} size={20} />
+                        </button>
+                      </div>
+                    </td>
+                  </tr>
+                );
+              })
+            : null}
+        </tbody>
+      </table>
+      <button className="btn-add-var text-link pr-2 py-3 mt-2 select-none" onClick={addVar}>
+        + Add
+      </button>
+    </StyledWrapper>
+  );
+};
+export default VarsTable;

packages/bruno-app/src/components/CollectionSettings/Vars/index.js

@@ -0,0 +1,32 @@
+import React from 'react';
+import get from 'lodash/get';
+import VarsTable from './VarsTable';
+import StyledWrapper from './StyledWrapper';
+import { saveCollectionRoot } from 'providers/ReduxStore/slices/collections/actions';
+import { useDispatch } from 'react-redux';
+
+const Vars = ({ collection }) => {
+  const dispatch = useDispatch();
+  const requestVars = get(collection, 'root.request.vars.req', []);
+  const responseVars = get(collection, 'root.request.vars.res', []);
+  const handleSave = () => dispatch(saveCollectionRoot(collection.uid));
+  return (
+    <StyledWrapper className="w-full flex flex-col">
+      <div className="flex-1 mt-2">
+        <div className="mb-1 title text-xs">Pre Request</div>
+        <VarsTable collection={collection} vars={requestVars} varType="request" />
+      </div>
+      <div className="flex-1">
+        <div className="mt-1 mb-1 title text-xs">Post Response</div>
+        <VarsTable collection={collection} vars={responseVars} varType="response" />
+      </div>
+      <div className="mt-6">
+        <button type="submit" className="submit btn btn-sm btn-secondary" onClick={handleSave}>
+          Save
+        </button>
+      </div>
+    </StyledWrapper>
+  );
+};
+
+export default Vars;

packages/bruno-app/src/components/CollectionSettings/index.js

@@ -16,6 +16,7 @@ import Docs from './Docs';
 import Presets from './Presets';
 import Info from './Info';
 import StyledWrapper from './StyledWrapper';
+import Vars from './Vars/index';
 
 const CollectionSettings = ({ collection }) => {
   const dispatch = useDispatch();
@@ -77,6 +78,9 @@ const CollectionSettings = ({ collection }) => {
       case 'headers': {
         return <Headers collection={collection} />;
       }
+      case 'vars': {
+        return <Vars collection={collection} />;
+      }
       case 'auth': {
         return <Auth collection={collection} />;
       }
@@ -123,6 +127,9 @@ const CollectionSettings = ({ collection }) => {
         <div className={getTabClassname('headers')} role="tab" onClick={() => setTab('headers')}>
           Headers
         </div>
+        <div className={getTabClassname('vars')} role="tab" onClick={() => setTab('vars')}>
+          Vars
+        </div>
         <div className={getTabClassname('auth')} role="tab" onClick={() => setTab('auth')}>
           Auth
         </div>

packages/bruno-app/src/components/FolderSettings/Headers/index.js

@@ -116,6 +116,7 @@ const Headers = ({ collection, folder }) => {
                           )
                         }
                         collection={collection}
+                        item={folder}
                       />
                     </td>
                     <td>

packages/bruno-app/src/components/FolderSettings/Vars/VarsTable/index.js

@@ -130,6 +130,7 @@ const VarsTable = ({ folder, collection, vars, varType }) => {
                           )
                         }
                         collection={collection}
+                        item={folder}
                       />
                     </td>
                     <td>

packages/bruno-app/src/components/RequestPane/Assertions/AssertionRow/index.js

@@ -191,6 +191,7 @@ const AssertionRow = ({
             }
             onRun={handleRun}
             collection={collection}
+            item={item}
           />
         ) : (
           <input type="text" className="cursor-default" disabled />

packages/bruno-app/src/components/RequestPane/Vars/VarsTable/index.js

@@ -132,6 +132,7 @@ const VarsTable = ({ item, collection, vars, varType }) => {
                         }
                         onRun={handleRun}
                         collection={collection}
+                        item={item}
                       />
                     </td>
                     <td>

packages/bruno-app/src/providers/ReduxStore/slices/collections/index.js

@@ -1302,6 +1302,71 @@ export const collectionsSlice = createSlice({
         set(collection, 'root.request.headers', headers);
       }
     },
+    addCollectionVar: (state, action) => {
+      const collection = findCollectionByUid(state.collections, action.payload.collectionUid);
+      const type = action.payload.type;
+      if (collection) {
+        if (type === 'request') {
+          const vars = get(collection, 'root.request.vars.req', []);
+          vars.push({
+            uid: uuid(),
+            name: '',
+            value: '',
+            enabled: true
+          });
+          set(collection, 'root.request.vars.req', vars);
+        } else if (type === 'response') {
+          const vars = get(collection, 'root.request.vars.res', []);
+          vars.push({
+            uid: uuid(),
+            name: '',
+            value: '',
+            enabled: true
+          });
+          set(collection, 'root.request.vars.res', vars);
+        }
+      }
+    },
+    updateCollectionVar: (state, action) => {
+      const collection = findCollectionByUid(state.collections, action.payload.collectionUid);
+      const type = action.payload.type;
+      if (type === 'request') {
+        let vars = get(collection, 'root.request.vars.req', []);
+        const _var = find(vars, (h) => h.uid === action.payload.var.uid);
+        if (_var) {
+          _var.name = action.payload.var.name;
+          _var.value = action.payload.var.value;
+          _var.description = action.payload.var.description;
+          _var.enabled = action.payload.var.enabled;
+        }
+        set(collection, 'root.request.vars.req', vars);
+      } else if (type === 'response') {
+        let vars = get(collection, 'root.request.vars.res', []);
+        const _var = find(vars, (h) => h.uid === action.payload.var.uid);
+        if (_var) {
+          _var.name = action.payload.var.name;
+          _var.value = action.payload.var.value;
+          _var.description = action.payload.var.description;
+          _var.enabled = action.payload.var.enabled;
+        }
+        set(collection, 'root.request.vars.res', vars);
+      }
+    },
+    deleteCollectionVar: (state, action) => {
+      const collection = findCollectionByUid(state.collections, action.payload.collectionUid);
+      const type = action.payload.type;
+      if (collection) {
+        if (type === 'request') {
+          let vars = get(collection, 'root.request.vars.req', []);
+          vars = filter(vars, (h) => h.uid !== action.payload.varUid);
+          set(collection, 'root.request.vars.req', vars);
+        } else if (type === 'response') {
+          let vars = get(collection, 'root.request.vars.res', []);
+          vars = filter(vars, (h) => h.uid !== action.payload.varUid);
+          set(collection, 'root.request.vars.res', vars);
+        }
+      }
+    },
     collectionAddFileEvent: (state, action) => {
       const file = action.payload.file;
       const isCollectionRoot = file.meta.collectionRoot ? true : false;
@@ -1694,6 +1759,9 @@ export const {
   addCollectionHeader,
   updateCollectionHeader,
   deleteCollectionHeader,
+  addCollectionVar,
+  updateCollectionVar,
+  deleteCollectionVar,
   updateCollectionAuthMode,
   updateCollectionAuth,
   updateCollectionRequestScript,

packages/bruno-app/src/utils/collections/index.js

@@ -787,24 +787,25 @@ export const getTotalRequestCountInCollection = (collection) => {
 };
 
 export const getAllVariables = (collection, item) => {
-  const environmentVariables = getEnvironmentVariables(collection);
+  const envVariables = getEnvironmentVariables(collection);
-  let requestVariables = {};
-  if (item?.request) {
   const requestTreePath = getTreePathFromCollectionToItem(collection, item);
-    requestVariables = mergeFolderLevelVars(item?.request, requestTreePath);
+  let { collectionVariables, folderVariables, requestVariables } = mergeVars(collection, requestTreePath);
-  }
   const pathParams = getPathParams(item);
 
+  const { processEnvVariables = {}, runtimeVariables = {} } = collection;
+
   return {
-    ...environmentVariables,
+    ...collectionVariables,
+    ...envVariables,
+    ...folderVariables,
     ...requestVariables,
-    ...collection.runtimeVariables,
+    ...runtimeVariables,
     pathParams: {
       ...pathParams
     },
     process: {
       env: {
-        ...collection.processEnvVariables
+        ...processEnvVariables
       }
     }
   };
@@ -831,14 +832,22 @@ const getTreePathFromCollectionToItem = (collection, _item) => {
   return path;
 };
 
-const mergeFolderLevelVars = (request, requestTreePath = []) => {
+const mergeVars = (collection, requestTreePath = []) => {
+  let collectionVariables = {};
+  let folderVariables = {};
   let requestVariables = {};
+  let collectionRequestVars = get(collection, 'root.request.vars.req', []);
+  collectionRequestVars.forEach((_var) => {
+    if (_var.enabled) {
+      collectionVariables[_var.name] = _var.value;
+    }
+  });
   for (let i of requestTreePath) {
     if (i.type === 'folder') {
       let vars = get(i, 'root.request.vars.req', []);
       vars.forEach((_var) => {
         if (_var.enabled) {
-          requestVariables[_var.name] = _var.value;
+          folderVariables[_var.name] = _var.value;
         }
       });
     } else {
@@ -850,6 +859,9 @@ const mergeFolderLevelVars = (request, requestTreePath = []) => {
       });
     }
   }
-
+  return {
-  return requestVariables;
+    collectionVariables,
+    folderVariables,
+    requestVariables
+  };
 };

packages/bruno-cli/src/runner/run-single-request.js

@@ -60,20 +60,6 @@ const runSingleRequest = async function (
       request.data = form;
     }
 
-    // run pre-request vars
-    const preRequestVars = get(bruJson, 'request.vars.req');
-    if (preRequestVars?.length) {
-      const varsRuntime = new VarsRuntime({ runtime: scriptingConfig?.runtime });
-      varsRuntime.runPreRequestVars(
-        preRequestVars,
-        request,
-        envVariables,
-        runtimeVariables,
-        collectionPath,
-        processEnvVars
-      );
-    }
-
     // run pre request script
     const requestScriptFile = compact([
       get(collectionRoot, 'request.script.req'),

packages/bruno-electron/src/ipc/network/index.js

@@ -319,20 +319,6 @@ const registerNetworkIpc = (mainWindow) => {
     processEnvVars,
     scriptingConfig
   ) => {
-    // run pre-request vars
-    const preRequestVars = get(request, 'vars.req', []);
-    if (preRequestVars?.length) {
-      const varsRuntime = new VarsRuntime({ runtime: scriptingConfig?.runtime });
-      varsRuntime.runPreRequestVars(
-        preRequestVars,
-        request,
-        envVars,
-        runtimeVariables,
-        collectionPath,
-        processEnvVars
-      );
-    }
-
     // run pre-request script
     let scriptResult;
     const requestScript = compact([get(collectionRoot, 'request.script.req'), get(request, 'script.req')]).join(os.EOL);

packages/bruno-electron/src/ipc/network/interpolate-vars.js

@@ -12,15 +12,17 @@ const getContentType = (headers = {}) => {
   return contentType;
 };
 
-const interpolateVars = (request, envVars = {}, runtimeVariables = {}, processEnvVars = {}) => {
+const interpolateVars = (request, envVariables = {}, runtimeVariables = {}, processEnvVars = {}) => {
+  const collectionVariables = request?.collectionVariables || {};
+  const folderVariables = request?.folderVariables || {};
   const requestVariables = request?.requestVariables || {};
   // we clone envVars because we don't want to modify the original object
-  envVars = cloneDeep(envVars);
+  envVariables = cloneDeep(envVariables);
 
   // envVars can inturn have values as {{process.env.VAR_NAME}}
   // so we need to interpolate envVars first with processEnvVars
-  forOwn(envVars, (value, key) => {
+  forOwn(envVariables, (value, key) => {
-    envVars[key] = interpolate(value, {
+    envVariables[key] = interpolate(value, {
       process: {
         env: {
           ...processEnvVars
@@ -36,7 +38,9 @@ const interpolateVars = (request, envVars = {}, runtimeVariables = {}, processEn
 
     // runtimeVariables take precedence over envVars
     const combinedVars = {
-      ...envVars,
+      ...collectionVariables,
+      ...envVariables,
+      ...folderVariables,
       ...requestVariables,
       ...runtimeVariables,
       process: {

packages/bruno-electron/src/ipc/network/prepare-request.js

@@ -44,73 +44,75 @@ const mergeFolderLevelHeaders = (request, requestTreePath) => {
   request.headers = Array.from(requestHeadersMap, ([name, value]) => ({ name, value, enabled: true }));
 };
 
-const mergeFolderLevelVars = (request, requestTreePath) => {
+const mergeVars = (collection, request, requestTreePath) => {
-  let folderReqVars = new Map();
+  let reqVars = new Map();
+  let collectionRequestVars = get(collection, 'root.request.vars.req', []);
+  let collectionVariables = {};
+  collectionRequestVars.forEach((_var) => {
+    if (_var.enabled) {
+      reqVars.set(_var.name, _var.value);
+      collectionVariables[_var.name] = _var.value;
+    }
+  });
+  let folderVariables = {};
+  let requestVariables = {};
   for (let i of requestTreePath) {
     if (i.type === 'folder') {
       let vars = get(i, 'root.request.vars.req', []);
       vars.forEach((_var) => {
         if (_var.enabled) {
-          folderReqVars.set(_var.name, _var.value);
+          reqVars.set(_var.name, _var.value);
+          folderVariables[_var.name] = _var.value;
         }
       });
-    } else if (i.uid === request.uid) {
+    } else {
       const vars = i?.draft ? get(i, 'draft.request.vars.req', []) : get(i, 'request.vars.req', []);
       vars.forEach((_var) => {
         if (_var.enabled) {
-          folderReqVars.set(_var.name, _var.value);
+          reqVars.set(_var.name, _var.value);
+          requestVariables[_var.name] = _var.value;
         }
       });
     }
   }
-  let mergedFolderReqVars = Array.from(folderReqVars, ([name, value]) => ({ name, value, enabled: true }));
+
-  let requestReqVars = request?.vars?.req || [];
+  request.collectionVariables = collectionVariables;
-  let requestReqVarsMap = new Map();
+  request.folderVariables = folderVariables;
-  for (let _var of requestReqVars) {
+  request.requestVariables = requestVariables;
-    if (_var.enabled) {
+
-      requestReqVarsMap.set(_var.name, _var.value);
+  request.vars.req = Array.from(reqVars, ([name, value]) => ({
-    }
-  }
-  mergedFolderReqVars.forEach((_var) => {
-    requestReqVarsMap.set(_var.name, _var.value);
-  });
-  request.vars.req = Array.from(requestReqVarsMap, ([name, value]) => ({
     name,
     value,
     enabled: true,
     type: 'request'
   }));
 
-  let folderResVars = new Map();
+  let resVars = new Map();
+  let collectionResponseVars = get(collection, 'root.request.vars.res', []);
+  collectionResponseVars.forEach((_var) => {
+    if (_var.enabled) {
+      resVars.set(_var.name, _var.value);
+    }
+  });
   for (let i of requestTreePath) {
     if (i.type === 'folder') {
       let vars = get(i, 'root.request.vars.res', []);
       vars.forEach((_var) => {
         if (_var.enabled) {
-          folderResVars.set(_var.name, _var.value);
+          resVars.set(_var.name, _var.value);
         }
       });
-    } else if (i.uid === request.uid) {
+    } else {
       const vars = i?.draft ? get(i, 'draft.request.vars.res', []) : get(i, 'request.vars.res', []);
       vars.forEach((_var) => {
         if (_var.enabled) {
-          folderResVars.set(_var.name, _var.value);
+          resVars.set(_var.name, _var.value);
         }
       });
     }
   }
-  let mergedFolderResVars = Array.from(folderResVars, ([name, value]) => ({ name, value, enabled: true }));
+
-  let requestResVars = request?.vars?.res || [];
+  request.vars.res = Array.from(resVars, ([name, value]) => ({
-  let requestResVarsMap = new Map();
-  for (let _var of requestResVars) {
-    if (_var.enabled) {
-      requestResVarsMap.set(_var.name, _var.value);
-    }
-  }
-  mergedFolderResVars.forEach((_var) => {
-    requestResVarsMap.set(_var.name, _var.value);
-  });
-  request.vars.res = Array.from(requestResVarsMap, ([name, value]) => ({
     name,
     value,
     enabled: true,
@@ -314,7 +316,7 @@ const prepareRequest = (item, collection) => {
   if (requestTreePath && requestTreePath.length > 0) {
     mergeFolderLevelHeaders(request, requestTreePath);
     mergeFolderLevelScripts(request, requestTreePath, scriptFlow);
-    mergeFolderLevelVars(request, requestTreePath);
+    mergeVars(collection, request, requestTreePath);
   }
 
   each(request.headers, (h) => {
@@ -401,6 +403,9 @@ const prepareRequest = (item, collection) => {
   }
 
   axiosRequest.vars = request.vars;
+  axiosRequest.collectionVariables = request.collectionVariables;
+  axiosRequest.folderVariables = request.folderVariables;
+  axiosRequest.requestVariables = request.requestVariables;
   axiosRequest.assertions = request.assertions;
 
   return axiosRequest;

packages/bruno-js/src/bru.js

@@ -4,10 +4,12 @@ const { interpolate } = require('@usebruno/common');
 const variableNameRegex = /^[\w-.]*$/;
 
 class Bru {
-  constructor(envVariables, runtimeVariables, processEnvVars, collectionPath, requestVariables) {
+  constructor(envVariables, runtimeVariables, processEnvVars, collectionPath, collectionVariables, folderVariables, requestVariables) {
     this.envVariables = envVariables || {};
     this.runtimeVariables = runtimeVariables || {};
     this.processEnvVars = cloneDeep(processEnvVars || {});
+    this.collectionVariables = collectionVariables || {};
+    this.folderVariables = folderVariables || {};
     this.requestVariables = requestVariables || {};
     this.collectionPath = collectionPath;
   }
@@ -18,7 +20,9 @@ class Bru {
     }
 
     const combinedVars = {
+      ...this.collectionVariables,
       ...this.envVariables,
+      ...this.folderVariables,
       ...this.requestVariables,
       ...this.runtimeVariables,
       process: {
@@ -93,6 +97,14 @@ class Bru {
     delete this.runtimeVariables[key];
   }
 
+  getCollectionVar(key) {
+    return this._interpolate(this.collectionVariables[key]);
+  }
+
+  getFolderVar(key) {
+    return this._interpolate(this.folderVariables[key]);
+  }
+
   getRequestVar(key) {
     return this._interpolate(this.requestVariables[key]);
   }

packages/bruno-js/src/interpolate-string.js

@@ -2,14 +2,16 @@ const { interpolate } = require('@usebruno/common');
 
 const interpolateString = (
   str,
-  { envVariables = {}, runtimeVariables = {}, processEnvVars = {}, requestVariables = {} }
+  { envVariables = {}, runtimeVariables = {}, processEnvVars = {}, collectionVariables = {}, folderVariables = {}, requestVariables = {} }
 ) => {
   if (!str || !str.length || typeof str !== 'string') {
     return str;
   }
 
   const combinedVars = {
+    ...collectionVariables,
     ...envVariables,
+    ...folderVariables,
     ...requestVariables,
     ...runtimeVariables,
     process: {

packages/bruno-js/src/runtime/assert-runtime.js

@@ -192,6 +192,8 @@ const evaluateRhsOperand = (rhsOperand, operator, context, runtime) => {
   }
 
   const interpolationContext = {
+    collectionVariables: context.bru.collectionVariables,
+    folderVariables: context.bru.folderVariables,
     requestVariables: context.bru.requestVariables,
     runtimeVariables: context.bru.runtimeVariables,
     envVariables: context.bru.envVariables,
@@ -238,13 +240,23 @@ class AssertRuntime {
   }
 
   runAssertions(assertions, request, response, envVariables, runtimeVariables, processEnvVars) {
+    const collectionVariables = request?.collectionVariables || {};
+    const folderVariables = request?.folderVariables || {};
     const requestVariables = request?.requestVariables || {};
     const enabledAssertions = _.filter(assertions, (a) => a.enabled);
     if (!enabledAssertions.length) {
       return [];
     }
 
-    const bru = new Bru(envVariables, runtimeVariables, processEnvVars, undefined, requestVariables);
+    const bru = new Bru(
+      envVariables,
+      runtimeVariables,
+      processEnvVars,
+      undefined,
+      collectionVariables,
+      folderVariables,
+      requestVariables
+    );
     const req = new BrunoRequest(request);
     const res = createResponseParser(response);
 
@@ -255,7 +267,9 @@ class AssertRuntime {
     };
 
     const context = {
+      ...collectionVariables,
       ...envVariables,
+      ...folderVariables,
       ...requestVariables,
       ...runtimeVariables,
       ...processEnvVars,

packages/bruno-js/src/runtime/script-runtime.js

@@ -47,8 +47,10 @@ class ScriptRuntime {
     processEnvVars,
     scriptingConfig
   ) {
+    const collectionVariables = request?.collectionVariables || {};
+    const folderVariables = request?.folderVariables || {};
     const requestVariables = request?.requestVariables || {};
-    const bru = new Bru(envVariables, runtimeVariables, processEnvVars, collectionPath, requestVariables);
+    const bru = new Bru(envVariables, runtimeVariables, processEnvVars, collectionPath, collectionVariables, folderVariables, requestVariables);
     const req = new BrunoRequest(request);
     const allowScriptFilesystemAccess = get(scriptingConfig, 'filesystemAccess.allow', false);
     const moduleWhitelist = get(scriptingConfig, 'moduleWhitelist', []);
@@ -162,8 +164,10 @@ class ScriptRuntime {
     processEnvVars,
     scriptingConfig
   ) {
+    const collectionVariables = request?.collectionVariables || {};
+    const folderVariables = request?.folderVariables || {};
     const requestVariables = request?.requestVariables || {};
-    const bru = new Bru(envVariables, runtimeVariables, processEnvVars, collectionPath, requestVariables);
+    const bru = new Bru(envVariables, runtimeVariables, processEnvVars, collectionPath, collectionVariables, folderVariables, requestVariables);
     const req = new BrunoRequest(request);
     const res = new BrunoResponse(response);
     const allowScriptFilesystemAccess = get(scriptingConfig, 'filesystemAccess.allow', false);

packages/bruno-js/src/runtime/test-runtime.js

@@ -48,8 +48,10 @@ class TestRuntime {
     processEnvVars,
     scriptingConfig
   ) {
+    const collectionVariables = request?.collectionVariables || {};
+    const folderVariables = request?.folderVariables || {};
     const requestVariables = request?.requestVariables || {};
-    const bru = new Bru(envVariables, runtimeVariables, processEnvVars, collectionPath, requestVariables);
+    const bru = new Bru(envVariables, runtimeVariables, processEnvVars, collectionPath, collectionVariables, folderVariables, requestVariables);
     const req = new BrunoRequest(request);
     const res = new BrunoResponse(response);
     const allowScriptFilesystemAccess = get(scriptingConfig, 'filesystemAccess.allow', false);

packages/bruno-js/src/runtime/vars-runtime.js

@@ -1,22 +1,10 @@
 const _ = require('lodash');
 const Bru = require('../bru');
 const BrunoRequest = require('../bruno-request');
-const { evaluateJsTemplateLiteral, evaluateJsExpression, createResponseParser } = require('../utils');
+const { evaluateJsExpression, createResponseParser } = require('../utils');
 
 const { executeQuickJsVm } = require('../sandbox/quickjs');
 
-const evaluateJsTemplateLiteralBasedOnRuntime = (literal, context, runtime) => {
-  if (runtime === 'quickjs') {
-    return executeQuickJsVm({
-      script: literal,
-      context,
-      scriptType: 'template-literal'
-    });
-  }
-
-  return evaluateJsTemplateLiteral(literal, context);
-};
-
 const evaluateJsExpressionBasedOnRuntime = (expr, context, runtime, mode) => {
   if (runtime === 'quickjs') {
     return executeQuickJsVm({
@@ -35,35 +23,6 @@ class VarsRuntime {
     this.mode = props?.mode || 'developer';
   }
 
-  runPreRequestVars(vars, request, envVariables, runtimeVariables, collectionPath, processEnvVars) {
-    if (!request?.requestVariables) {
-      request.requestVariables = {};
-    }
-    const enabledVars = _.filter(vars, (v) => v.enabled);
-    if (!enabledVars.length) {
-      return;
-    }
-
-    const bru = new Bru(envVariables, runtimeVariables, processEnvVars);
-    const req = new BrunoRequest(request);
-
-    const bruContext = {
-      bru,
-      req
-    };
-
-    const context = {
-      ...envVariables,
-      ...runtimeVariables,
-      ...bruContext
-    };
-
-    _.each(enabledVars, (v) => {
-      const value = evaluateJsTemplateLiteralBasedOnRuntime(v.value, context, this.runtime);
-      request?.requestVariables && (request.requestVariables[v.name] = value);
-    });
-  }
-
   runPostResponseVars(vars, request, response, envVariables, runtimeVariables, collectionPath, processEnvVars) {
     const requestVariables = request?.requestVariables || {};
     const enabledVars = _.filter(vars, (v) => v.enabled);

packages/bruno-js/src/sandbox/quickjs/shims/bru.js

@@ -69,6 +69,18 @@ const addBruShimToContext = (vm, bru) => {
   vm.setProp(bruObject, 'getRequestVar', getRequestVar);
   getRequestVar.dispose();
 
+  let getFolderVar = vm.newFunction('getFolderVar', function (key) {
+    return marshallToVm(bru.getFolderVar(vm.dump(key)), vm);
+  });
+  vm.setProp(bruObject, 'getFolderVar', getFolderVar);
+  getFolderVar.dispose();
+
+  let getCollectionVar = vm.newFunction('getCollectionVar', function (key) {
+    return marshallToVm(bru.getCollectionVar(vm.dump(key)), vm);
+  });
+  vm.setProp(bruObject, 'getCollectionVar', getCollectionVar);
+  getCollectionVar.dispose();
+
   const sleep = vm.newFunction('sleep', (timer) => {
     const t = vm.getString(timer);
     const promise = vm.newPromise();

packages/bruno-tests/collection/collection.bru

@@ -1,5 +1,6 @@
 headers {
   check: again
+  token: {{collection_pre_var_token}}
 }
 
 auth {
@@ -10,6 +11,11 @@ auth:bearer {
   token: {{bearer_auth_token}}
 }
 
+vars:pre-request {
+  collection_pre_var: collection_pre_var_value
+  collection_pre_var_token: {{request_pre_var_token}}
+}
+
 docs {
   # bruno-testbench 🐶
   

packages/bruno-tests/collection/scripting/js/data types - request vars.bru

@@ -25,16 +25,6 @@ body:json {
   }
 }
 
-vars:pre-request {
-  boolean: false
-  undefined: undefined
-  null: null
-  string: foo
-  number_1: 1
-  number_2: 0
-  number_3: -1
-}
-
 assert {
   req.body.boolean: isBoolean false
   req.body.number_1: isNumber 1
@@ -51,35 +41,4 @@ assert {
   req.body.number_3: eq -1
   req.body.number_2: isNumber
   req.body.number_3: isNumber
-  boolean: eq false
-  undefined: eq undefined
-  null: eq null
-  string: eq foo
-  number_1: eq 1
-  number_2: eq 0
-  number_3: eq -1
-}
-
-tests {
-  test("boolean pre var", function() {
-    expect(bru.getRequestVar('boolean')).to.eql(false);
-  });
-  
-  test("number pre var", function() {
-    expect(bru.getRequestVar('number_1')).to.eql(1);
-    expect(bru.getRequestVar('number_2')).to.eql(0);
-    expect(bru.getRequestVar('number_3')).to.eql(-1);
-  });
-  
-  test("null pre var", function() {
-    expect(bru.getRequestVar('null')).to.eql(null);
-  });
-  
-  test("undefined pre var", function() {
-    expect(bru.getRequestVar('undefined')).to.eql(undefined);
-  });
-  
-  test("string pre var", function() {
-    expect(bru.getRequestVar('string')).to.eql('foo');
-  });
 }

packages/bruno-tests/collection/string interpolation/folder.bru

@@ -0,0 +1,8 @@
+meta {
+  name: string interpolation
+}
+
+vars:pre-request {
+  folder_pre_var: folder_pre_var_value
+  folder_pre_var_2: {{env.var1}}
+}

packages/bruno-tests/collection/string interpolation/pre-vars.bru

@@ -0,0 +1,48 @@
+meta {
+  name: pre-vars
+  type: http
+  seq: 5
+}
+
+get {
+  url: {{host}}/ping
+  body: none
+  auth: none
+}
+
+headers {
+  request_pre_var: {{request_pre_var}}
+}
+
+vars:pre-request {
+  request_pre_var: {{folder_pre_var}}
+  request_pre_var_token: request_pre_var_token_value
+  request_pre_var_1: request_pre_var_1_value
+  request_pre_var_2: {{request_pre_var_1}}
+}
+
+assert {
+  collection_pre_var: eq collection_pre_var_value
+  folder_pre_var: eq folder_pre_var_value
+}
+
+tests {
+  test("collection pre var bru function", function() {
+    expect(bru.getCollectionVar('collection_pre_var')).to.eql('collection_pre_var_value');
+  });
+  
+  
+  test("folder pre var bru function", function() {
+    expect(bru.getFolderVar('folder_pre_var')).to.eql('folder_pre_var_value');
+  });
+  
+  
+  test("request pre var bru function", function() {
+    expect(bru.getRequestVar('request_pre_var')).to.eql('folder_pre_var_value');
+  });
+  
+  test("request pre var self-interpoaltion", function() {
+    expect(bru.getRequestVar('request_pre_var_2')).to.eql('request_pre_var_1_value');
+  });
+  
+}