{"version":3,"file":"index.mjs","names":[],"sources":["../../../../../packages/hooks/use-namespace/index.ts"],"sourcesContent":["import { computed, getCurrentInstance, inject, ref, unref } from 'vue'\n\nimport type { InjectionKey, Ref } from 'vue'\n\nexport const defaultNamespace = 'el'\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 += `--${modifier}`\n  }\n  return cls\n}\n\nexport const namespaceContextKey: InjectionKey<Ref<string | undefined>> =\n  Symbol('namespaceContextKey')\n\nexport const useGetDerivedNamespace = (\n  namespaceOverrides?: Ref<string | undefined>\n) => {\n  const derivedNamespace =\n    namespaceOverrides ||\n    (getCurrentInstance()\n      ? inject(namespaceContextKey, ref(defaultNamespace))\n      : ref(defaultNamespace))\n  const namespace = computed(() => {\n    return unref(derivedNamespace) || defaultNamespace\n  })\n  return namespace\n}\n\nexport const useNamespace = (\n  block: string,\n  namespaceOverrides?: Ref<string | undefined>\n) => {\n  const namespace = useGetDerivedNamespace(namespaceOverrides)\n  const b = (blockSuffix = '') =>\n    _bem(namespace.value, block, blockSuffix, '', '')\n  const e = (element?: string) =>\n    element ? _bem(namespace.value, block, '', element, '') : ''\n  const m = (modifier?: string) =>\n    modifier ? _bem(namespace.value, block, '', '', modifier) : ''\n  const be = (blockSuffix?: string, element?: string) =>\n    blockSuffix && element\n      ? _bem(namespace.value, block, blockSuffix, element, '')\n      : ''\n  const em = (element?: string, modifier?: string) =>\n    element && modifier\n      ? _bem(namespace.value, block, '', element, modifier)\n      : ''\n  const bm = (blockSuffix?: string, modifier?: string) =>\n    blockSuffix && modifier\n      ? _bem(namespace.value, block, blockSuffix, '', modifier)\n      : ''\n  const bem = (blockSuffix?: string, element?: string, modifier?: string) =>\n    blockSuffix && element && modifier\n      ? _bem(namespace.value, block, blockSuffix, element, modifier)\n      : ''\n  const is: {\n    (name: string, state: boolean | undefined): string\n    (name: string): string\n  } = (name: string, ...args: [boolean | undefined] | []) => {\n    const state = args.length >= 1 ? args[0]! : true\n    return name && state ? `${statePrefix}${name}` : ''\n  }\n\n  // for css var\n  // --el-xxx: value;\n  const cssVar = (object: Record<string, string>) => {\n    const styles: Record<string, string> = {}\n    for (const key in object) {\n      if (object[key]) {\n        styles[`--${namespace.value}-${key}`] = object[key]\n      }\n    }\n    return styles\n  }\n  // with block\n  const cssVarBlock = (object: Record<string, string>) => {\n    const styles: Record<string, string> = {}\n    for (const key in object) {\n      if (object[key]) {\n        styles[`--${namespace.value}-${block}-${key}`] = object[key]\n      }\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  return {\n    namespace,\n    b,\n    e,\n    m,\n    be,\n    em,\n    bm,\n    bem,\n    is,\n    // css\n    cssVar,\n    cssVarName,\n    cssVarBlock,\n    cssVarBlockName,\n  }\n}\n\nexport type UseNamespaceReturn = ReturnType<typeof useNamespace>\n"],"mappings":";;;AAIA,MAAa,mBAAmB;AAChC,MAAM,cAAc;AAEpB,MAAM,QACJ,WACA,OACA,aACA,SACA,aACG;CACH,IAAI,MAAM,GAAG,UAAU,GAAG;AAC1B,KAAI,YACF,QAAO,IAAI;AAEb,KAAI,QACF,QAAO,KAAK;AAEd,KAAI,SACF,QAAO,KAAK;AAEd,QAAO;;AAGT,MAAa,sBACX,OAAO,sBAAsB;AAE/B,MAAa,0BACX,uBACG;CACH,MAAM,mBACJ,uBACC,oBAAoB,GACjB,OAAO,qBAAqB,IAAI,iBAAiB,CAAC,GAClD,IAAI,iBAAiB;AAI3B,QAHkB,eAAe;AAC/B,SAAO,MAAM,iBAAiB,IAAI;GAClC;;AAIJ,MAAa,gBACX,OACA,uBACG;CACH,MAAM,YAAY,uBAAuB,mBAAmB;CAC5D,MAAM,KAAK,cAAc,OACvB,KAAK,UAAU,OAAO,OAAO,aAAa,IAAI,GAAG;CACnD,MAAM,KAAK,YACT,UAAU,KAAK,UAAU,OAAO,OAAO,IAAI,SAAS,GAAG,GAAG;CAC5D,MAAM,KAAK,aACT,WAAW,KAAK,UAAU,OAAO,OAAO,IAAI,IAAI,SAAS,GAAG;CAC9D,MAAM,MAAM,aAAsB,YAChC,eAAe,UACX,KAAK,UAAU,OAAO,OAAO,aAAa,SAAS,GAAG,GACtD;CACN,MAAM,MAAM,SAAkB,aAC5B,WAAW,WACP,KAAK,UAAU,OAAO,OAAO,IAAI,SAAS,SAAS,GACnD;CACN,MAAM,MAAM,aAAsB,aAChC,eAAe,WACX,KAAK,UAAU,OAAO,OAAO,aAAa,IAAI,SAAS,GACvD;CACN,MAAM,OAAO,aAAsB,SAAkB,aACnD,eAAe,WAAW,WACtB,KAAK,UAAU,OAAO,OAAO,aAAa,SAAS,SAAS,GAC5D;CACN,MAAM,MAGD,MAAc,GAAG,SAAqC;EACzD,MAAM,QAAQ,KAAK,UAAU,IAAI,KAAK,KAAM;AAC5C,SAAO,QAAQ,QAAQ,GAAG,cAAc,SAAS;;CAKnD,MAAM,UAAU,WAAmC;EACjD,MAAM,SAAiC,EAAE;AACzC,OAAK,MAAM,OAAO,OAChB,KAAI,OAAO,KACT,QAAO,KAAK,UAAU,MAAM,GAAG,SAAS,OAAO;AAGnD,SAAO;;CAGT,MAAM,eAAe,WAAmC;EACtD,MAAM,SAAiC,EAAE;AACzC,OAAK,MAAM,OAAO,OAChB,KAAI,OAAO,KACT,QAAO,KAAK,UAAU,MAAM,GAAG,MAAM,GAAG,SAAS,OAAO;AAG5D,SAAO;;CAGT,MAAM,cAAc,SAAiB,KAAK,UAAU,MAAM,GAAG;CAC7D,MAAM,mBAAmB,SACvB,KAAK,UAAU,MAAM,GAAG,MAAM,GAAG;AAEnC,QAAO;EACL;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EAEA;EACA;EACA;EACA;EACD"}