Function compileTemplate

packages/compiler-sfc/src/compileTemplate.ts:107–160

(
  options: SFCTemplateCompileOptions,
)

}

export function compileTemplate(
  options: SFCTemplateCompileOptions,
): SFCTemplateCompileResults {
  const { preprocessLang, preprocessCustomRequire } = options

  if (
    (__ESM_BROWSER__ || __GLOBAL__) &&
    preprocessLang &&
    !preprocessCustomRequire
  ) {
    throw new Error(
      `[@vue/compiler-sfc] Template preprocessing in the browser build must ` +
        `provide the \`preprocessCustomRequire\` option to return the in-browser ` +
        `version of the preprocessor in the shape of { render(): string }.`,
    )
  }

  const preprocessor = preprocessLang
    ? preprocessCustomRequire
      ? preprocessCustomRequire(preprocessLang)
      : __ESM_BROWSER__
        ? undefined
        : consolidate[preprocessLang as keyof typeof consolidate]
    : false
  if (preprocessor) {
    try {
      return doCompileTemplate({
        ...options,
        source: preprocess(options, preprocessor),
        ast: undefined, // invalidate AST if template goes through preprocessor
      })
    } catch (e: any) {
      return {
        code: `export default function render() {}`,
        source: options.source,
        tips: [],
        errors: [e],
      }
    }
  } else if (preprocessLang) {
    return {
      code: `export default function render() {}`,
      source: options.source,
      tips: [
        `Component ${options.filename} uses lang ${preprocessLang} for template. Please install the language preprocessor.`,
      ],
      errors: [
        `Component ${options.filename} uses lang ${preprocessLang} for template, however it is not installed.`,
      ],
    }
  } else {
    return doCompileTemplate(options)
  }
}

function doCompileTemplate({
  filename,