Function runPluginTransforms

src/compiler/plugin/plugin.ts:74–210

(
  config: d.ValidatedConfig,
  compilerCtx: d.CompilerCtx,
  buildCtx: d.BuildCtx,
  id: string,
  cmp?: d.ComponentCompilerMeta,
)

};

export const runPluginTransforms = async (
  config: d.ValidatedConfig,
  compilerCtx: d.CompilerCtx,
  buildCtx: d.BuildCtx,
  id: string,
  cmp?: d.ComponentCompilerMeta,
): Promise<PluginTransformResults | null> => {
  const pluginCtx: PluginCtx = {
    config: config,
    sys: config.sys,
    fs: compilerCtx.fs,
    cache: compilerCtx.cache,
    diagnostics: [],
  };

  const resolvedId = await runPluginResolveId(pluginCtx, id);
  const sourceText = await runPluginLoad(pluginCtx, resolvedId);
  if (!isString(sourceText)) {
    const diagnostic = buildError(buildCtx.diagnostics);
    diagnostic.header = `Unable to find "${basename(id)}"`;
    diagnostic.messageText = `The file "${relative(config.rootDir, id)}" was unable to load.`;
    return null;
  }

  const transformResults = {
    code: sourceText,
    id: id,
    dependencies: [] as string[],
  } satisfies PluginTransformResults;

  const isRawCssFile = transformResults.id.toLowerCase().endsWith('.css');
  const shouldParseCssDocs = cmp != null && config.outputTargets.some(isOutputTargetDocs);

  if (isRawCssFile) {
    // concat all css @imports into one file
    // when the entry file is a .css file (not .scss)
    // do this BEFORE transformations on css files
    if (shouldParseCssDocs && cmp != null) {
      cmp.styleDocs = cmp.styleDocs || [];
      const cssParseResults = await parseCssImports(
        config,
        compilerCtx,
        buildCtx,
        id,
        id,
        transformResults.code,
        cmp.styleDocs,
      );
      transformResults.code = cssParseResults.styleText;
      transformResults.dependencies = cssParseResults.imports;
    } else {
      const cssParseResults = await parseCssImports(config, compilerCtx, buildCtx, id, id, transformResults.code);
      transformResults.code = cssParseResults.styleText;
      transformResults.dependencies = cssParseResults.imports;
    }
  }

  for (const plugin of pluginCtx.config?.plugins ?? []) {