test: scope tailwind class scanning

__snapshots__/postcss.test.ts.snap

@@ -9,3 +9,255 @@ snapshot[`modules > isModule returning true 1`] = `'{"title":"_title_wsfbq_5 _ti
 snapshot[`modules > modules set to custom postcss-modules plugin configuration options 1`] = `'{"title":"custom-module__title___ticPp mixins__title___ymOTP","article":"custom-module__article___Z26ow"}'`;
 
 snapshot[`modules > ts entrypoint should output the module map and css to js 1`] = `'{"title":"_title_wsfbq_5 _title_3695r_1","article":"_article_wsfbq_10"}'`;
+
+snapshot[`plugins > tailwindcss 4 > should add tailwindcss to the css 1`] = `
+'/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */
+@layer properties;
+@layer theme, base, components, utilities;
+@layer theme {
+  :root,
+  :host {
+    --font-sans:
+      -apple-system,
+      BlinkMacSystemFont,
+      "Segoe UI",
+      Roboto,
+      "Helvetica Neue",
+      "Noto Sans",
+      Arial,
+      sans-serif,
+      "Apple Color Emoji",
+      "Segoe UI Emoji",
+      "Segoe UI Symbol",
+      "Noto Color Emoji";
+    --font-mono:
+      ui-monospace,
+      SFMono-Regular,
+      Menlo,
+      Monaco,
+      Consolas,
+      "Liberation Mono",
+      "Courier New",
+      monospace;
+    --text-3xl: 1.875rem;
+    --text-3xl--line-height: calc(2.25 / 1.875);
+    --font-weight-bold: 700;
+    --default-font-family: var(--font-sans);
+    --default-mono-font-family: var(--font-mono);
+  }
+}
+@layer base {
+  *,
+  ::after,
+  ::before,
+  ::backdrop,
+  ::file-selector-button {
+    box-sizing: border-box;
+    margin: 0;
+    padding: 0;
+    border: 0 solid;
+  }
+  html,
+  :host {
+    line-height: 1.5;
+    -webkit-text-size-adjust: 100%;
+    tab-size: 4;
+    font-family: var(--default-font-family, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");
+    font-feature-settings: var(--default-font-feature-settings, normal);
+    font-variation-settings: var(--default-font-variation-settings, normal);
+    -webkit-tap-highlight-color: transparent;
+  }
+  hr {
+    height: 0;
+    color: inherit;
+    border-top-width: 1px;
+  }
+  abbr:where([title]) {
+    -webkit-text-decoration: underline dotted;
+    text-decoration: underline dotted;
+  }
+  h1,
+  h2,
+  h3,
+  h4,
+  h5,
+  h6 {
+    font-size: inherit;
+    font-weight: inherit;
+  }
+  a {
+    color: inherit;
+    -webkit-text-decoration: inherit;
+    text-decoration: inherit;
+  }
+  b,
+  strong {
+    font-weight: bolder;
+  }
+  code,
+  kbd,
+  samp,
+  pre {
+    font-family: var(--default-mono-font-family, ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);
+    font-feature-settings: var(--default-mono-font-feature-settings, normal);
+    font-variation-settings: var(--default-mono-font-variation-settings, normal);
+    font-size: 1em;
+  }
+  small {
+    font-size: 80%;
+  }
+  sub,
+  sup {
+    font-size: 75%;
+    line-height: 0;
+    position: relative;
+    vertical-align: baseline;
+  }
+  sub {
+    bottom: -0.25em;
+  }
+  sup {
+    top: -0.5em;
+  }
+  table {
+    text-indent: 0;
+    border-color: inherit;
+    border-collapse: collapse;
+  }
+  :-moz-focusring:where(:not(iframe)) {
+    outline: auto;
+  }
+  progress {
+    vertical-align: baseline;
+  }
+  summary {
+    display: list-item;
+  }
+  ol,
+  ul,
+  menu {
+    list-style: none;
+  }
+  img,
+  svg,
+  video,
+  canvas,
+  audio,
+  iframe,
+  embed,
+  object {
+    display: block;
+    vertical-align: middle;
+  }
+  img,
+  video {
+    max-width: 100%;
+    height: auto;
+  }
+  button,
+  input,
+  select,
+  optgroup,
+  textarea,
+  ::file-selector-button {
+    font: inherit;
+    font-feature-settings: inherit;
+    font-variation-settings: inherit;
+    letter-spacing: inherit;
+    color: inherit;
+    border-radius: 0;
+    background-color: transparent;
+    opacity: 1;
+  }
+  :where(select:is([multiple], [size])) optgroup {
+    font-weight: bolder;
+  }
+  :where(select:is([multiple], [size])) optgroup option {
+    padding-inline-start: 20px;
+  }
+  ::file-selector-button {
+    margin-inline-end: 4px;
+  }
+  ::placeholder {
+    opacity: 1;
+  }
+  @supports (not (-webkit-appearance: -apple-pay-button)) or (contain-intrinsic-size: 1px) {
+    ::placeholder {
+      color: currentcolor;
+      @supports (color: color-mix(in lab, red, red)) {
+        color: color-mix(in oklab, currentcolor 50%, transparent);
+      }
+    }
+  }
+  textarea {
+    resize: vertical;
+  }
+  ::-webkit-search-decoration {
+    -webkit-appearance: none;
+  }
+  ::-webkit-date-and-time-value {
+    min-height: 1lh;
+    text-align: inherit;
+  }
+  ::-webkit-datetime-edit {
+    display: inline-flex;
+  }
+  ::-webkit-datetime-edit-fields-wrapper {
+    padding: 0;
+  }
+  ::-webkit-datetime-edit,
+  ::-webkit-datetime-edit-year-field,
+  ::-webkit-datetime-edit-month-field,
+  ::-webkit-datetime-edit-day-field,
+  ::-webkit-datetime-edit-hour-field,
+  ::-webkit-datetime-edit-minute-field,
+  ::-webkit-datetime-edit-second-field,
+  ::-webkit-datetime-edit-millisecond-field,
+  ::-webkit-datetime-edit-meridiem-field {
+    padding-block: 0;
+  }
+  ::-webkit-calendar-picker-indicator {
+    line-height: 1;
+  }
+  :-moz-ui-invalid {
+    box-shadow: none;
+  }
+  button,
+  input:where([type=button], [type=reset], [type=submit]),
+  ::file-selector-button {
+    appearance: button;
+  }
+  ::-webkit-inner-spin-button,
+  ::-webkit-outer-spin-button {
+    height: auto;
+  }
+  [hidden]:where(:not([hidden=until-found])) {
+    display: none !important;
+  }
+}
+@layer utilities {
+  .text-3xl {
+    font-size: var(--text-3xl);
+    line-height: var(--tw-leading, var(--text-3xl--line-height));
+  }
+  .font-bold {
+    --tw-font-weight: var(--font-weight-bold);
+    font-weight: var(--font-weight-bold);
+  }
+  .underline {
+    text-decoration-line: underline;
+  }
+}
+@property --tw-font-weight { syntax: "*"; inherits: false; }
+@layer properties {
+  @supports ((-webkit-hyphens: none) and (not (margin-trim: inline))) or ((-moz-orient: inline) and (not (color:rgb(from red r g b)))) {
+    *,
+    ::before,
+    ::after,
+    ::backdrop {
+      --tw-font-weight: initial;
+    }
+  }
+}
+'
+`;

postcss.test.ts

@@ -319,12 +319,12 @@ describe("plugins", () => {
     const rootDir = path.resolve("./examples/tailwindcss4");
     const configPath = path.resolve(Deno.cwd(), "deno.json");
 
-    it("should add tailwindcss to the css", async () => {
+    it("should add tailwindcss to the css", async (t) => {
       const result = await build("tailwindcss4", ["./main.css"], {
         plugins: [
           postCSSPlugin({
             plugins: [
-              tailwindcss(),
+              tailwindcss({ base: rootDir }),
             ],
           }),
           denoPlugin({ configPath }),
@@ -340,10 +340,7 @@ describe("plugins", () => {
         result.outputFiles[0].path,
         outFilePath,
       );
-      assertEquals(
-        result.outputFiles[0].text,
-        await Deno.readTextFile(outFilePath),
-      );
+      await assertSnapshot(t, result.outputFiles[0].text);
       assertEquals(result.outputFiles.length, 1);
     });
   });