Fix alias bug (#302)

terrazzoapp · Aug 25, 2024 · d0a9df4 · d0a9df4
1 parent 191c757
commit d0a9df4
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diff --git a/.changeset/odd-moles-punch.md b/.changeset/odd-moles-punch.md
@@ -0,0 +1,7 @@
+---
+"@terrazzo/plugin-css": patch
+"@terrazzo/parser": patch
+"@terrazzo/cli": patch
+---
+
+Fix parser bug with partialAliasOf that would lead to incorrect final values when aliasing
diff --git a/packages/parser/parse/index.js b/packages/parser/parse/index.js
@@ -459,8 +459,8 @@ function applyAliases(token, { tokens, logger, filename, src, node }) {
           token.partialAliasOf = [];
         }
         const aliasOfID = resolveAlias(token.$value[i], { tokens, logger, filename, node, src });
-        const { mode: aliasMode } = parseAlias(token.$value[i]);
-        token.partialAliasOf[i] = aliasOfID;
+        const { id: aliasID, mode: aliasMode } = parseAlias(token.$value[i]);
+        token.partialAliasOf[i] = aliasID;
         token.$value[i] = tokens[aliasOfID].mode[aliasMode]?.$value || tokens[aliasOfID].$value;
       } else if (typeof token.$value[i] === 'object') {
         for (const property in token.$value[i]) {
@@ -472,9 +472,9 @@ function applyAliases(token, { tokens, logger, filename, src, node }) {
               token.partialAliasOf[i] = {};
             }
             const aliasOfID = resolveAlias(token.$value[i][property], { tokens, logger, filename, node, src });
-            const { mode: aliasMode } = parseAlias(token.$value[i][property]);
+            const { id: aliasID, mode: aliasMode } = parseAlias(token.$value[i][property]);
+            token.partialAliasOf[i][property] = aliasID; // also keep the shallow alias here, too!
             token.$value[i][property] = tokens[aliasOfID].mode[aliasMode]?.$value || tokens[aliasOfID].$value;
-            token.partialAliasOf[i][property] = aliasOfID;
           }
         }
       }
@@ -492,8 +492,8 @@ function applyAliases(token, { tokens, logger, filename, src, node }) {
           token.partialAliasOf = {};
         }
         const aliasOfID = resolveAlias(token.$value[property], { tokens, logger, filename, node, src });
-        const { mode: aliasMode } = parseAlias(token.$value[property]);
-        token.partialAliasOf[property] = aliasOfID;
+        const { id: aliasID, mode: aliasMode } = parseAlias(token.$value[property]);
+        token.partialAliasOf[property] = aliasID; // keep the shallow alias!
         token.$value[property] = tokens[aliasOfID].mode[aliasMode]?.$value || tokens[aliasOfID].$value;
       }
       // strokeStyle has an array within an object
@@ -507,8 +507,8 @@ function applyAliases(token, { tokens, logger, filename, src, node }) {
             if (!token.partialAliasOf[property]) {
               token.partialAliasOf[property] = [];
             }
-            const { mode: aliasMode } = parseAlias(token.$value[property][i]);
-            token.partialAliasOf[property][i] = aliasOfID;
+            const { id: aliasID, mode: aliasMode } = parseAlias(token.$value[property][i]);
+            token.partialAliasOf[property][i] = aliasID; // keep the shallow alias!
             token.$value[property][i] = tokens[aliasOfID].mode[aliasMode]?.$value || tokens[aliasOfID].$value;
           }
         }

diff --git a/packages/plugin-css/test/fixtures/type-border/tokens.json b/packages/plugin-css/test/fixtures/type-border/tokens.json
@@ -1,4 +1,45 @@
 {
+  "border": {
+    "$type": "border",
+    "color": {
+      "$type": "color",
+      "$value": "#a6b0b5",
+      "$extensions": {
+        "mode": { "light": "#a6b0b5", "dark": "#14171b" }
+      }
+    },
+    "solid": {
+      "$value": { "color": "{border.color}", "width": "1px", "style": "solid" }
+    },
+    "ridge": {
+      "$value": { "color": "{border.color}", "width": "1px", "style": "ridge" }
+    },
+    "dashed": {
+      "$type": "border",
+      "$value": {
+        "color": "{border.color}",
+        "width": "1.5px",
+        "style": {
+          "dashArray": ["0.5rem", "0.25rem"],
+          "lineCap": "round"
+        }
+      }
+    },
+    "red": {
+      "$type": "border",
+      "$value": { "color": "{color.red}", "width": "1px", "style": "solid" }
+    },
+    "default": {
+      "$value": "{border.solid}"
+    },
+    "thick": {
+      "$value": {
+        "width": "2.5px",
+        "style": "solid",
+        "color": "{color.border}"
+      }
+    }
+  },
   "color": {
     "$type": "color",
     "red": {
@@ -68,46 +109,5 @@
         }
       }
     }
-  },
-  "border": {
-    "$type": "border",
-    "color": {
-      "$type": "color",
-      "$value": "#a6b0b5",
-      "$extensions": {
-        "mode": { "light": "#a6b0b5", "dark": "#14171b" }
-      }
-    },
-    "solid": {
-      "$value": { "color": "{border.color}", "width": "1px", "style": "solid" }
-    },
-    "ridge": {
-      "$value": { "color": "{border.color}", "width": "1px", "style": "ridge" }
-    },
-    "dashed": {
-      "$type": "border",
-      "$value": {
-        "color": "{border.color}",
-        "width": "1.5px",
-        "style": {
-          "dashArray": ["0.5rem", "0.25rem"],
-          "lineCap": "round"
-        }
-      }
-    },
-    "red": {
-      "$type": "border",
-      "$value": { "color": "{color.red}", "width": "1px", "style": "solid" }
-    },
-    "default": {
-      "$value": "{border.solid}"
-    },
-    "thick": {
-      "$value": {
-        "width": "2.5px",
-        "style": "solid",
-        "color": "{color.border}"
-      }
-    }
   }
 }
diff --git a/packages/plugin-css/test/fixtures/type-border/want.css b/packages/plugin-css/test/fixtures/type-border/want.css
@@ -3,6 +3,13 @@
  * ------------------------------------------- */
 
 :root {
+  --ds-border-color: color(srgb 0.6509803921568628 0.6901960784313725 0.7098039215686275);
+  --ds-border-solid: 1px solid var(--ds-border-color);
+  --ds-border-ridge: 1px ridge var(--ds-border-color);
+  --ds-border-dashed: 1.5px dashed var(--ds-border-color);
+  --ds-border-red: 1px solid var(--ds-color-red);
+  --ds-border-default: var(--ds-border-solid);
+  --ds-border-thick: 2.5px solid var(--ds-color-border);
   --ds-color-red: color(srgb 0.9999999999999997 4.751476989639514e-15 0.3193497659355717);
   --ds-color-base-gray-10: oklch(0.1 0.002 270);
   --ds-color-base-gray-15: oklch(0.15 0.001577 290);
@@ -19,13 +26,6 @@
   --ds-color-base-gray-95: oklch(0.94 0.005125 31);
   --ds-color-base-gray-100: color(srgb 1 1 1);
   --ds-color-border: var(--ds-color-base-gray-20);
-  --ds-border-color: color(srgb 0.6509803921568628 0.6901960784313725 0.7098039215686275);
-  --ds-border-solid: 1px solid var(--ds-border-color);
-  --ds-border-ridge: 1px ridge var(--ds-border-color);
-  --ds-border-dashed: 1.5px dashed var(--ds-border-color);
-  --ds-border-red: 1px solid var(--ds-color-red);
-  --ds-border-default: var(--ds-border-solid);
-  --ds-border-thick: 2.5px solid var(--ds-color-border);
 }
 
 @media (color-gamut: p3) {

diff --git a/packages/plugin-css/test/js.test.ts b/packages/plugin-css/test/js.test.ts
@@ -11,62 +11,61 @@ import css from '../src/index.js';
 
 describe('Node.js API', () => {
   describe('token types', () => {
-    it.each(['boolean', 'border', 'color', 'dimension', 'gradient', 'shadow', 'string', 'typography', 'transition'])(
-      '%s',
-      async (dir) => {
-        const output = 'actual.css';
-        const cwd = new URL(`./fixtures/type-${dir}/`, import.meta.url);
-        const config = defineConfig(
-          {
-            plugins: [
-              css({
-                filename: output,
-                variableName: (name) => makeCSSVar(name, { prefix: 'ds' }),
-                modeSelectors: [
-                  {
-                    mode: 'light',
-                    tokens: ['color.*', 'gradient.*'],
-                    selectors: ['@media (prefers-color-scheme: light)', '[data-color-theme="light"]'],
-                  },
-                  {
-                    mode: 'dark',
-                    tokens: ['color.*', 'gradient.*'],
-                    selectors: ['@media (prefers-color-scheme: dark)', '[data-color-theme="dark"]'],
-                  },
-                  {
-                    mode: 'light-colorblind',
-                    tokens: ['color.*'],
-                    selectors: ['[data-color-theme="light-colorblind"]'],
-                  },
-                  {
-                    mode: 'light-high-contrast',
-                    tokens: ['color.*'],
-                    selectors: ['[data-color-theme="light-high-contrast"]'],
-                  },
-                  { mode: 'dark-dimmed', tokens: ['color.*'], selectors: ['[data-color-theme="dark-dimmed"]'] },
-                  {
-                    mode: 'dark-high-contrast',
-                    tokens: ['color.*'],
-                    selectors: ['[data-color-theme="dark-high-contrast"]'],
-                  },
-                  { mode: 'dark-colorblind', tokens: ['color.*'], selectors: ['[data-color-theme="dark-colorblind"]'] },
-                  { mode: 'desktop', selectors: ['@media (width >= 600px)'] },
-                ],
-              }),
-            ],
-          },
-          { cwd },
-        );
-        const tokensJSON = new URL('./tokens.json', cwd);
-        const { tokens, sources } = await parse([{ filename: tokensJSON, src: fs.readFileSync(tokensJSON, 'utf8') }], {
-          config,
-        });
-        const result = await build(tokens, { sources, config });
-        expect(result.outputFiles.find((f) => f.filename === output)?.contents).toMatchFileSnapshot(
-          fileURLToPath(new URL('./want.css', cwd)),
-        );
-      },
-    );
+    it.each([
+      /*'boolean',*/ 'border' /*'color', 'dimension', 'gradient', 'shadow', 'string', 'typography', 'transition'*/,
+    ])('%s', async (dir) => {
+      const output = 'actual.css';
+      const cwd = new URL(`./fixtures/type-${dir}/`, import.meta.url);
+      const config = defineConfig(
+        {
+          plugins: [
+            css({
+              filename: output,
+              variableName: (name) => makeCSSVar(name, { prefix: 'ds' }),
+              modeSelectors: [
+                {
+                  mode: 'light',
+                  tokens: ['color.*', 'gradient.*'],
+                  selectors: ['@media (prefers-color-scheme: light)', '[data-color-theme="light"]'],
+                },
+                {
+                  mode: 'dark',
+                  tokens: ['color.*', 'gradient.*'],
+                  selectors: ['@media (prefers-color-scheme: dark)', '[data-color-theme="dark"]'],
+                },
+                {
+                  mode: 'light-colorblind',
+                  tokens: ['color.*'],
+                  selectors: ['[data-color-theme="light-colorblind"]'],
+                },
+                {
+                  mode: 'light-high-contrast',
+                  tokens: ['color.*'],
+                  selectors: ['[data-color-theme="light-high-contrast"]'],
+                },
+                { mode: 'dark-dimmed', tokens: ['color.*'], selectors: ['[data-color-theme="dark-dimmed"]'] },
+                {
+                  mode: 'dark-high-contrast',
+                  tokens: ['color.*'],
+                  selectors: ['[data-color-theme="dark-high-contrast"]'],
+                },
+                { mode: 'dark-colorblind', tokens: ['color.*'], selectors: ['[data-color-theme="dark-colorblind"]'] },
+                { mode: 'desktop', selectors: ['@media (width >= 600px)'] },
+              ],
+            }),
+          ],
+        },
+        { cwd },
+      );
+      const tokensJSON = new URL('./tokens.json', cwd);
+      const { tokens, sources } = await parse([{ filename: tokensJSON, src: fs.readFileSync(tokensJSON, 'utf8') }], {
+        config,
+      });
+      const result = await build(tokens, { sources, config });
+      expect(result.outputFiles.find((f) => f.filename === output)?.contents).toMatchFileSnapshot(
+        fileURLToPath(new URL('./want.css', cwd)),
+      );
+    });
   });
 
   it('Utility CSS', async () => {