fix: outputReferenceFallbacks for css/variables formatter (#1113)

- outputReferenceFallbacks options are passed through to the
createPropertyFormatter function, which was previously not the case

Signed-off-by: Tobias Kuppens Groot <tkuppensgroo@uos.de>
Co-authored-by: Joren Broekema <joren.broekema@gmail.com>

Author: tkgroot

.changeset/four-fireants-try.md

@@ -0,0 +1,5 @@
+---
+'style-dictionary': patch
+---
+
+Pass outputReferencesFallback option to the relevant utilities, so the option actually works.

__integration__/__snapshots__/css.test.snap.js

@@ -529,3 +529,179 @@ snapshots["integration css css/variables with selector should match snapshot"] =
 `;
 /* end snapshot integration css css/variables with selector should match snapshot */
 
+snapshots["integration css css/variables with referenceFallbacks should match snapshot"] = 
+`/**
+ * Do not edit directly
+ * Generated on Sat, 01 Jan 2000 00:00:00 GMT
+ */
+
+:root {
+  --size-padding-xl: 1rem;
+  --size-padding-large: 1rem;
+  --size-padding-medium: 1rem;
+  --size-padding-small: 0.5rem;
+  --size-font-xl: 2.25rem;
+  --size-font-large: 1.5rem;
+  --size-font-medium: 1rem;
+  --size-font-small: 0.75rem;
+  --size-border-radius-large: 30rem;
+  --color-core-yellow-1100: #2d1a05;
+  --color-core-yellow-1000: #542a00;
+  --color-core-yellow-900: #944c0c;
+  --color-core-yellow-800: #ba7506;
+  --color-core-yellow-700: #dd9903;
+  --color-core-yellow-600: #ffbc00;
+  --color-core-yellow-500: #ffcd1c;
+  --color-core-yellow-400: #ffd943;
+  --color-core-yellow-300: #ffe16e;
+  --color-core-yellow-200: #ffe99a;
+  --color-core-yellow-100: #fdefcd;
+  --color-core-yellow-0: #fff8e2;
+  --color-core-neutral-1100: #040404;
+  --color-core-neutral-1000: #162020;
+  --color-core-neutral-900: #273333;
+  --color-core-neutral-800: #364141;
+  --color-core-neutral-700: #515e5f;
+  --color-core-neutral-600: #6e797a;
+  --color-core-neutral-500: #929a9b;
+  --color-core-neutral-400: #b0b6b7;
+  --color-core-neutral-300: #c8cccc;
+  --color-core-neutral-200: #dee1e1;
+  --color-core-neutral-100: #f3f4f4;
+  --color-core-neutral-0: #ffffff;
+  --color-core-orange-1100: #2d130e;
+  --color-core-orange-1000: #601700;
+  --color-core-orange-900: #962c0b;
+  --color-core-orange-800: #ce5511;
+  --color-core-orange-700: #ed7024;
+  --color-core-orange-600: #f57d33;
+  --color-core-orange-500: #fc8943;
+  --color-core-orange-400: #ff9c5d;
+  --color-core-orange-300: #ffb180;
+  --color-core-orange-200: #ffc6a4;
+  --color-core-orange-100: #fcdccc;
+  --color-core-orange-0: #ffede3;
+  --color-core-red-1100: #2b1111;
+  --color-core-red-1000: #6d1313;
+  --color-core-red-900: #992222;
+  --color-core-red-800: #c63434;
+  --color-core-red-700: #db3e3e;
+  --color-core-red-600: #ed4c42;
+  --color-core-red-500: #f76054;
+  --color-core-red-400: #ff7f6e;
+  --color-core-red-300: #ff9c8f;
+  --color-core-red-200: #ffb8b1;
+  --color-core-red-100: #ffd5d2;
+  --color-core-red-0: #ffeae9;
+  --color-core-pink-1100: #2b1721;
+  --color-core-pink-1000: #561231;
+  --color-core-pink-900: #931847;
+  --color-core-pink-800: #b22f5b;
+  --color-core-pink-700: #ce3665;
+  --color-core-pink-600: #e0447c;
+  --color-core-pink-500: #ef588b;
+  --color-core-pink-400: #ff76ae;
+  --color-core-pink-300: #ff95c1;
+  --color-core-pink-200: #ffb5d5;
+  --color-core-pink-100: #fcdbeb;
+  --color-core-pink-0: #ffe9f3;
+  --color-core-magenta-1100: #29192d;
+  --color-core-magenta-1000: #451551;
+  --color-core-magenta-900: #6c2277;
+  --color-core-magenta-800: #8f3896;
+  --color-core-magenta-700: #ac44a8;
+  --color-core-magenta-600: #c44eb9;
+  --color-core-magenta-500: #db61db;
+  --color-core-magenta-400: #f282f5;
+  --color-core-magenta-300: #edadf2;
+  --color-core-magenta-200: #f4c4f7;
+  --color-core-magenta-100: #f9e3fc;
+  --color-core-magenta-0: #fef0ff;
+  --color-core-purple-1100: #1d1d38;
+  --color-core-purple-1000: #2d246b;
+  --color-core-purple-900: #483a9c;
+  --color-core-purple-800: #5e4eba;
+  --color-core-purple-700: #6f5ed3;
+  --color-core-purple-600: #816fea;
+  --color-core-purple-500: #9180f4;
+  --color-core-purple-400: #a193f2;
+  --color-core-purple-300: #c1c1f7;
+  --color-core-purple-200: #d8d7f9;
+  --color-core-purple-100: #eaeaf9;
+  --color-core-purple-0: #f2f2f9;
+  --color-core-blue-1100: #002138;
+  --color-core-blue-1000: #0a3960;
+  --color-core-blue-900: #0c5689;
+  --color-core-blue-800: #116daa;
+  --color-core-blue-700: #2079c3;
+  --color-core-blue-600: #2b87d3;
+  --color-core-blue-500: #3896e3;
+  --color-core-blue-400: #56adf5;
+  --color-core-blue-300: #a1d2f8;
+  --color-core-blue-200: #c7e4f9;
+  --color-core-blue-100: #dcf2ff;
+  --color-core-blue-0: #e9f8ff;
+  --color-core-aqua-1100: #002838;
+  --color-core-aqua-1000: #083d4f;
+  --color-core-aqua-900: #035e73;
+  --color-core-aqua-800: #0f6e84;
+  --color-core-aqua-700: #0b8599;
+  --color-core-aqua-600: #0797ae;
+  --color-core-aqua-500: #17b8ce;
+  --color-core-aqua-400: #33d6e2;
+  --color-core-aqua-300: #76e5e2;
+  --color-core-aqua-200: #a5f2f2;
+  --color-core-aqua-100: #c5f9f9;
+  --color-core-aqua-0: #d9fcfb;
+  --color-core-teal-1100: #002528;
+  --color-core-teal-1000: #083f3f;
+  --color-core-teal-900: #026661;
+  --color-core-teal-800: #067c7c;
+  --color-core-teal-700: #0b968f;
+  --color-core-teal-600: #00a99c;
+  --color-core-teal-500: #08c4b2;
+  --color-core-teal-400: #24e0c5;
+  --color-core-teal-300: #7dead5;
+  --color-core-teal-200: #b3f2e6;
+  --color-core-teal-100: #cdf7ef;
+  --color-core-teal-0: #e5f9f5;
+  --color-core-green-1100: #002b20;
+  --color-core-green-1000: #08422f;
+  --color-core-green-900: #006b40;
+  --color-core-green-800: #008b46;
+  --color-core-green-700: #0ca750;
+  --color-core-green-600: #2bb656;
+  --color-core-green-500: #59cb59;
+  --color-core-green-400: #75dd66;
+  --color-core-green-300: #98e58e;
+  --color-core-green-200: #c2f2bd;
+  --color-core-green-100: #d7f4d7;
+  --color-core-green-0: #ebf9eb;
+  --breakpoint-sm: 768px;
+  --breakpoint-xs: 304px;
+  --color-font-success: var(--color-core-green-1000, #08422f);
+  --color-font-warning: var(--color-core-orange-1000, #601700);
+  --color-font-danger: var(--color-core-red-1000, #6d1313);
+  --color-font-tertiary: var(--color-core-neutral-800, #364141);
+  --color-font-secondary: var(--color-core-neutral-900, #273333);
+  --color-font-primary: var(--color-core-neutral-1100, #040404);
+  --color-brand-secondary: var(--color-core-purple-700, #6f5ed3);
+  --color-brand-primary: var(--color-core-aqua-700, #0b8599);
+  --color-border-primary: var(--color-core-neutral-300, #c8cccc);
+  --color-background-info: var(--color-core-blue-0, #e9f8ff);
+  --color-background-success: var(--color-core-green-0, #ebf9eb);
+  --color-background-warning: var(--color-core-orange-0, #ffede3);
+  --color-background-danger: var(--color-core-red-0, #ffeae9);
+  --color-background-tertiary: var(--color-core-neutral-200, #dee1e1);
+  --color-background-secondary: var(--color-core-neutral-100, #f3f4f4);
+  --color-background-primary: var(--color-core-neutral-0, #ffffff);
+  --breakpoint-md: calc(var(--breakpoint-xs, 304px) / var(--breakpoint-sm, 768px));
+  --color-font-interactive-disabled: var(--color-font-tertiary, #364141);
+  --color-font-interactive-active: var(--color-brand-secondary, #6f5ed3);
+  --color-font-interactive-hover: var(--color-brand-primary, #0b8599);
+  --color-font-interactive: var(--color-brand-primary, #0b8599);
+  --color-background-disabled: var(--color-background-tertiary, #dee1e1);
+}
+`;
+/* end snapshot integration css css/variables with referenceFallbacks should match snapshot */
+

__integration__/css.test.js

@@ -43,6 +43,14 @@ describe('integration', async () => {
             {
               destination: 'variablesWithReferences.css',
               format: 'css/variables',
+              options: {
+                outputReferences: true,
+                outputReferenceFallbacks: false,
+              },
+            },
+            {
+              destination: 'variablesWithReferenceFallbacks.css',
+              format: 'css/variables',
               options: {
                 outputReferences: true,
                 outputReferenceFallbacks: true,
@@ -84,6 +92,18 @@ describe('integration', async () => {
         });
       });
 
+      describe(`with referenceFallbacks`, async () => {
+        it(`should match snapshot`, async () => {
+          const output = fs.readFileSync(
+            resolve(`${buildPath}variablesWithReferenceFallbacks.css`),
+            {
+              encoding: 'UTF-8',
+            },
+          );
+          await expect(output).to.matchSnapshot();
+        });
+      });
+
       describe(`with selector`, async () => {
         it(`should match snapshot`, async () => {
           const output = fs.readFileSync(resolve(`${buildPath}variablesWithSelector.css`), {

lib/common/formatHelpers/formattedVariables.js

@@ -34,6 +34,7 @@ const defaultFormatting = {
  * @param {String} options.format - What type of variables to output. Options are: css, sass, less, and stylus
  * @param {Dictionary} options.dictionary - The dictionary object that gets passed to the formatter method.
  * @param {Boolean} [options.outputReferences] - Whether or not to output references
+ * @param {Boolean} [options.outputReferenceFallbacks] - Whether or not to output a faLLback value for output references
  * @param {Formatting} [options.formatting] - Custom formatting properties that define parts of a declaration line in code. This will get passed to `formatHelpers.createPropertyFormatter` and used for the `lineSeparator` between lines of code.
  * @param {Boolean} [options.themeable] [false] - Whether tokens should default to being themeable.
  * @param {boolean} [options.usesDtcg] [false] - Whether DTCG token syntax should be uses.
@@ -56,6 +57,7 @@ export default function formattedVariables({
   format,
   dictionary,
   outputReferences = false,
+  outputReferenceFallbacks,
   formatting = {},
   themeable = false,
   usesDtcg = false,
@@ -85,6 +87,7 @@ export default function formattedVariables({
     .map(
       createPropertyFormatter({
         outputReferences,
+        outputReferenceFallbacks,
         dictionary,
         format,
         formatting,

lib/common/formats.js

@@ -71,6 +71,7 @@ const formats = {
    * @typedef {Object} cssVariablesOpts
    * @property {Boolean} [cssVariablesOpts.showFileHeader=true] - Whether or not to include a comment that has the build date
    * @property {Boolean} [cssVariablesOpts.outputReferences=false] - Whether or not to keep [references](/#/formats?id=references-in-output-files) (a -> b -> c) in the output.
+   * @property {Boolean} [cssVariablesOpts.outputReferenceFallbacks=false] - Whether or not to add a fallback value for the output reference.
    * @property {string} [cssVariablesOpts.selector] - Override the root css selector
    * @param {FormatOpts & { options?: cssVariablesOpts}} options
    * @example
@@ -83,12 +84,18 @@ const formats = {
    */
   'css/variables': async function ({ dictionary, options = {}, file }) {
     const selector = options.selector ? options.selector : `:root`;
-    const { outputReferences, usesDtcg } = options;
+    const { outputReferences, outputReferenceFallbacks, usesDtcg } = options;
     const header = await fileHeader({ file });
     return (
       header +
       `${selector} {\n` +
-      formattedVariables({ format: 'css', dictionary, outputReferences, usesDtcg }) +
+      formattedVariables({
+        format: 'css',
+        dictionary,
+        outputReferences,
+        outputReferenceFallbacks,
+        usesDtcg,
+      }) +
       `\n}\n`
     );
   },