{"version":3,"file":"imm_legacy.mjs","sources":["../code/imm_utils.mjs","../code/imm_async.mjs","../code/imm_dom_core.mjs","../code/imm_dom.mjs","../code/imm_legacy.mjs"],"sourcesContent":["export const\n  _I_ = x=>x,\n  _dash_name = s => s?.replace(/_/g, '-'),\n  _prop_name = s => s?.replace(/-/g, '_'),\n  _pairs = o => Object.entries(o),\n  _is_obj = a => 'object' === typeof a && null !== a,\n  _is_iter = a => _is_obj(a) && Symbol.iterator in a,\n  _is_attr_dict = a => _is_obj(a)\n      && !a.nodeType && !a.toDOM\n      && !_is_iter(a)\n\nexport const\n  _imm_cp = (tgt, src, key) =>\n    Object.assign(tgt, key ? {[key]:src} : src),\n  _ce = /* #__PURE__ */ _I_(customElements),\n\n  _el_on = (el, ...z) => ( el.addEventListener(...z), el ),\n  _el_get = (el,k) => (k=el.getAttribute(k), ''==k || k),\n  _el_has = (el,k) => el.hasAttribute(k),\n  _el_set = (el,k,v) => (\n    (null == v || false === v\n      ? el.removeAttribute(k) // false or nullish is semantically removeAttribute()\n      : _is_obj(v) == {style: 1}[k] ? _imm_cp(el[k], v) // use object assign for known keys: style; note true==1 but false!=undefined\n      : el.setAttribute(k, true === v ? '' : v)\n    ), 1)\n\n","\nexport function imm_defer_ctx(as_res=((...args) => args)) {\n  let y,n,_pset = (a,b) => { y=a, n=b }\n  return p => (p = new Promise(_pset), as_res(p, y, n))\n}\n\nexport const imm_defer_v = /* #__PURE__ */\n  imm_defer_ctx()\n\nexport const imm_defer = /* #__PURE__ */\n  imm_defer_ctx((p,y,n) =>\n    ({promise: p, resolve: y, reject: n}))\n\n","import {\n  _dash_name, _pairs,\n  _is_attr_dict, _is_iter,\n  _el_set, _el_on, _imm_cp\n} from './imm_utils.mjs'\nexport {\n  _imm_cp\n} from './imm_utils.mjs'\n\n\n// complex expressions to avoid 'if', 'else', and 'return' keywords\nconst\n  // .reduce(_imm_aop, el) interpretation of imm attribute dictionary semantics\n  _imm_aop = (el,[k,v],k0,attrs) => (\n      k0 = k[0]\n      , (\n        '$' === k0 // children to prepend\n          ? (attrs.z ||= []).push(v)\n\n        : '=' === k0 // direct property assignment\n          ? _imm_cp(el, v, k.split('=')[1])\n\n        : '@' === k0 // hook callback\n          ? v(el, k)\n\n        : v?.call // event handlers\n          ? _el_on(el, k, v, v.opt)\n\n        : _el_set(el, _dash_name(k), v) // attribute values\n      ), el),\n\n  // .flatMap(_imm_cf) interpretation of imm child elements and iterables\n  _imm_cf = c => (\n      // allow opt-in coersion\n      c &&= c.toDOM?.(c) || c.valueOf(c),\n\n      null == c ? [] // filter nullish\n\n      : c.nodeType ? [c] // pass-through nodes\n\n      : _is_iter(c) ? _imm_b(c) // recursively reduce arrays and iterables\n\n      : ''+c ) // otherwise force toString()\n\n\n\nexport function imm(el, ...args) {\n  let len=args.length, attrs=args[0]\n\n  if (0 < len && el?.nodeType) {\n    if (_is_attr_dict(attrs)) {\n      // replace attrs with null in args\n      1 === len ? args = null : args[0] = null\n\n      attrs = _pairs(attrs)\n      attrs.reduce(_imm_aop, el)\n\n      // prepend children found in attrs.z\n      attrs.z && el.prepend(... _imm_b(attrs.z))\n    }\n\n    // append arguments as children\n    args && el.append(... _imm_b(args))\n  }\n  return el\n}\n\n\nexport const\n  // clear all inner content (text and html)\n  _imm0 = el => (el.textContent = '', el),\n  imm_set = (el, ...args) => imm(_imm0(el), ...args),\n\n  _imm_b = iterable => [... iterable].flatMap(_imm_cf)\n\n","import {imm, imm_set} from './imm_dom_core.mjs'\nexport {imm, imm_set} from './imm_dom_core.mjs'\n\n\nexport function imm_dom(host, tagns) {\n  tagns = {\n    $: 'html', html: 'http://www.w3.org/1999/xhtml',\n    svg: 'http://www.w3.org/2000/svg',\n    ... tagns }\n  let\n    _tag0 = (tag, ns) => (\n      // split xml-tag like namespace prefix\n      ((ns = tag.split(':'))[1] // if tuple is present\n        ? [ns, tag]=ns // use namespace by prefix\n        : ns=0 )  // otherwise use default namespace (falsy)\n      , host.createElementNS( tagns[ns || tagns.$], tag )),\n\n    tag_fn = (tag, ...args) =>\n      imm(tag.nodeType ? tag : _tag0(tag), ...args)\n\n  tag_fn.fragment = (...args) =>\n    imm(host.createDocumentFragment(), null, ...args)\n\n  tag_fn.text = text =>\n    host.createTextNode(text)\n\n  return tag_fn.tag = tag_fn\n}\n\nexport const\n  imm_otag = (el, tag, ...args) =>\n    imm(el.ownerDocument.createElement(tag), ...args),\n\n  imm_tag = /* #__PURE__ */\n    imm_dom(document)\n\nexport {\n  imm_tag as default,\n  imm_tag as tag,\n}\n\n","import { _ce } from './imm_utils.mjs'\nimport { imm_defer_v  } from './imm_async.mjs'\nimport { imm_mixin } from './imm_elem_core.mjs'\nimport { imm_tag } from './imm_dom.mjs'\n\nexport const with_legacy = (base=HTMLElement) =>\n  class extends base {\n    static M = new Map()\n\n    static import_src(opt) {\n      let M = this.M, p = M.get(opt.src)\n      if (!p)\n        M.set(opt.src, p = this._import(opt))\n      return p\n    }\n\n    static async _import({el, ...opt}) {\n      let dp = imm_defer_v(),\n        el_script = imm_tag('script',\n          {...opt, load: dp[1], error: dp[2]})\n\n      let p = el_script.ready =\n        dp[0].then(opt.load, opt.error)\n        .finally(() => el_script.remove())\n\n      ;(el || document.head)\n        .append(el_script)\n\n      return await p\n    }\n  }\n\nexport function imm_legacy(opt) {\n  let {tag, once, base} = opt.trim ? {tag:opt} : opt\n  let klass = _ce.get(tag)\n  if (! klass) {\n    _ce.define(tag, klass=with_legacy(base))\n    once && once(klass, tag)\n  }\n  return 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