{"version":3,"file":"useNamespace.mjs","sources":["../../../../utils/useNamespace.ts"],"sourcesContent":["import { computed, inject, ref, unref } from 'vue'\n\nimport type { InjectionKey, Ref } from 'vue'\n\nexport const defaultNamespace = 'fn'\nconst statePrefix = 'is-'\n\nconst _bem = (\n  namespace: string,\n  block: string,\n  blockSuffix: string,\n  element: string,\n  modifier: string,\n) => {\n  let cls = `${namespace}-${block}`\n  if (blockSuffix)\n    cls += `-${blockSuffix}`\n\n  if (element)\n    cls += `__${element}`\n\n  if (modifier)\n    cls += `--${modifier}`\n\n  return cls\n}\n\nexport const namespaceContextKey: InjectionKey<Ref<string | undefined>>\n  = Symbol('namespaceContextKey')\n\nexport const useGetDerivedNamespace = (\n  namespaceOverrides?: Ref<string | undefined>,\n) => {\n  const derivedNamespace\n    = namespaceOverrides || inject(namespaceContextKey, ref(defaultNamespace))\n  const namespace = computed(() => {\n    return unref(derivedNamespace) || defaultNamespace\n  })\n  return namespace\n}\n\nexport const useNamespace = (\n  block: string,\n  namespaceOverrides?: Ref<string | undefined>,\n) => {\n  const namespace = useGetDerivedNamespace(namespaceOverrides)\n  const b = (blockSuffix = '') =>\n    _bem(namespace.value, block, blockSuffix, '', '')\n  const e = (element?: string) =>\n    element ? _bem(namespace.value, block, '', element, '') : ''\n  const m = (modifier?: string) =>\n    modifier ? _bem(namespace.value, block, '', '', modifier) : ''\n  const be = (blockSuffix?: string, element?: string) =>\n    blockSuffix && element\n      ? _bem(namespace.value, block, blockSuffix, element, '')\n      : ''\n  const em = (element?: string, modifier?: string) =>\n    element && modifier\n      ? _bem(namespace.value, block, '', element, modifier)\n      : ''\n  const bm = (blockSuffix?: string, modifier?: string) =>\n    blockSuffix && modifier\n      ? _bem(namespace.value, block, blockSuffix, '', modifier)\n      : ''\n  const bem = (blockSuffix?: string, element?: string, modifier?: string) =>\n    blockSuffix && element && modifier\n      ? _bem(namespace.value, block, blockSuffix, element, modifier)\n      : ''\n  const is: {\n    (name: string, state: boolean | undefined): string\n    (name: string): string\n  } = (name: string, ...args: [boolean | undefined] | []) => {\n    const state = args.length >= 1 ? args[0]! : true\n    return name && state ? `${statePrefix}${name}` : ''\n  }\n\n  // css in style\n  const cssStyle = (object: Record<string, string>) => {\n    const styles: Record<string, string> = {}\n    for (const key in object) {\n      if (object[key])\n        styles[`${key}`] = object[key]\n    }\n    return styles\n  }\n\n  // for css var\n  // --md-xxx: value;\n  const cssVar = (object: Record<string, string>) => {\n    const styles: Record<string, string> = {}\n    for (const key in object) {\n      if (object[key])\n        styles[`--${namespace.value}-${key}`] = object[key]\n    }\n    return styles\n  }\n  // with block\n  const cssVarBlock = (object: Record<string, string | number>) => {\n    const styles: Record<string, string | number> = {}\n    for (const key in object) {\n      if (object[key])\n        styles[`--${namespace.value}-${block}-${key}`] = object[key]\n    }\n    return styles\n  }\n\n  const cssVarName = (name: string) => `--${namespace.value}-${name}`\n  const cssVarBlockName = (name: string) =>\n    `--${namespace.value}-${block}-${name}`\n\n  const getCssVar = (name: string) => `var(--${namespace.value}-${name})`\n  const getCssVarBlock = (name: string, blockOverrides: string = block) =>\n    `var(--${namespace.value}-${blockOverrides}-${name})`\n\n  return {\n    namespace,\n    b,\n    e,\n    m,\n    be,\n    em,\n    bm,\n    bem,\n    is,\n    // css\n    cssVar,\n    cssStyle,\n    cssVarName,\n    cssVarBlock,\n    cssVarBlockName,\n    getCssVar,\n    getCssVarBlock,\n  }\n}\n\nexport type UseNamespaceReturn = ReturnType<typeof 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