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More information: https://www.jsdelivr.com/using-sri-with-dynamic-files\n */\n","import createContent from '@ungap/create-content';\nimport udomdiff from 'udomdiff';\nimport domtagger from 'domtagger';\nimport hyperStyle from 'hyperhtml-style';\nimport {aria, attribute, boolean, data, event, ref, setter} from 'uhandlers';\nimport {diffable} from 'uwire';\n\nimport {isArray, slice} from 'uarray';\n\n// special attributes helpers\nconst hyperProperty = (node, name) => {\n let oldValue;\n return newValue => {\n if (oldValue !== newValue) {\n oldValue = newValue;\n if (node[name] !== newValue) {\n if (newValue == null) {\n // cleanup before dropping the attribute to fix IE/Edge gotcha\n node[name] = '';\n node.removeAttribute(name);\n } else\n node[name] = newValue;\n }\n }\n };\n};\n\n// list of attributes that should not be directly assigned\nconst readOnly = /^(?:form|list)$/i;\n\n// simplifies text node creation\nconst text = (node, text) => node.ownerDocument.createTextNode(text);\n\nexport function Tagger(type) {\n this.type = type;\n return domtagger(this);\n};\n\nTagger.prototype = {\n\n // there are four kind of attributes, and related behavior:\n // * events, with a name starting with `on`, to add/remove event listeners\n // * special, with a name present in their inherited prototype, accessed directly\n // * regular, accessed through get/setAttribute standard DOM methods\n // * style, the only regular attribute that also accepts an object as value\n // so that you can style=${{width: 120}}. In this case, the behavior has been\n // fully inspired by Preact library and its simplicity.\n attribute(node, name, original) {\n const isSVG = this.type === 'svg';\n switch (name) {\n case 'class':\n if (isSVG)\n return attribute(node, name, isSVG);\n name = 'className';\n case 'props':\n return setter(node, name);\n case 'aria':\n return aria(node);\n case 'style':\n return hyperStyle(node, original, isSVG);\n case 'ref':\n return ref(node);\n case '.dataset':\n return data(node);\n default:\n if (name.slice(0, 1) === '.')\n return setter(node, name.slice(1));\n if (name.slice(0, 1) === '?')\n return boolean(node, name.slice(1));\n if (name.slice(0, 2) === 'on')\n return event(node, name);\n if (name in node && !(isSVG || readOnly.test(name)))\n return hyperProperty(node, name);\n return attribute(node, name, isSVG);\n\n }\n },\n\n // in a hyper(node)`
${content}
` case\n // everything could happen:\n // * it's a JS primitive, stored as text\n // * it's null or undefined, the node should be cleaned\n // * it's a promise, update the content once resolved\n // * it's an explicit intent, perform the desired operation\n // * it's an Array, resolve all values if Promises and/or\n // update the node with the resulting list of content\n any(node, childNodes) {\n const {type} = this;\n let fastPath = false;\n let oldValue;\n const anyContent = value => {\n switch (typeof value) {\n case 'string':\n case 'number':\n case 'boolean':\n if (fastPath) {\n if (oldValue !== value) {\n oldValue = value;\n childNodes[0].textContent = value;\n }\n } else {\n fastPath = true;\n oldValue = value;\n childNodes = udomdiff(\n node.parentNode,\n childNodes,\n [text(node, value)],\n diffable,\n node\n );\n }\n break;\n case 'function':\n anyContent(value(node));\n break;\n case 'object':\n case 'undefined':\n if (value == null) {\n fastPath = false;\n childNodes = udomdiff(\n node.parentNode,\n childNodes,\n [],\n diffable,\n node\n );\n break;\n }\n default:\n fastPath = false;\n oldValue = value;\n if (isArray(value)) {\n if (value.length === 0) {\n if (childNodes.length) {\n childNodes = udomdiff(\n node.parentNode,\n childNodes,\n [],\n diffable,\n node\n );\n }\n } else {\n switch (typeof value[0]) {\n case 'string':\n case 'number':\n case 'boolean':\n anyContent(String(value));\n break;\n case 'function':\n anyContent(value.map(invoke, node));\n break;\n case 'object':\n if (isArray(value[0])) {\n value = value.concat.apply([], value);\n }\n default:\n childNodes = udomdiff(\n node.parentNode,\n childNodes,\n value,\n diffable,\n node\n );\n break;\n }\n }\n } else if ('ELEMENT_NODE' in value) {\n childNodes = udomdiff(\n node.parentNode,\n childNodes,\n value.nodeType === 11 ?\n slice.call(value.childNodes) :\n [value],\n diffable,\n node\n );\n } else if ('text' in value) {\n anyContent(String(value.text));\n } else if ('any' in value) {\n anyContent(value.any);\n } else if ('html' in value) {\n childNodes = udomdiff(\n node.parentNode,\n childNodes,\n slice.call(\n createContent(\n [].concat(value.html).join(''),\n type\n ).childNodes\n ),\n diffable,\n node\n );\n } else if ('length' in value) {\n anyContent(slice.call(value));\n }\n break;\n }\n };\n return anyContent;\n },\n\n // style or textareas don't accept HTML as content\n // it's pointless to transform or analyze anything\n // different from text there but it's worth checking\n // for possible defined intents.\n text(node) {\n let oldValue;\n const textContent = value => {\n if (oldValue !== value) {\n oldValue = value;\n const type = typeof value;\n if (type === 'object' && value) {\n if ('text' in value) {\n textContent(String(value.text));\n } else if ('any' in value) {\n textContent(value.any);\n } else if ('html' in value) {\n textContent([].concat(value.html).join(''));\n } else if ('length' in value) {\n textContent(slice.call(value).join(''));\n }\n } else if (type === 'function') {\n textContent(value(node));\n } else {\n node.textContent = value == null ? '' : value;\n }\n }\n };\n return textContent;\n }\n};\n\nfunction invoke(callback) {\n return callback(this);\n}\n","import WeakMap from '@ungap/weakmap';\nimport domsanitizer from 'domsanitizer';\nimport {isArray} from 'uarray';\nimport umap from 'umap';\nimport {persistent} from 'uwire';\n\nimport {Tagger} from './tagger.js';\n\nconst {create, freeze, keys} = Object;\n\nconst tProto = Tagger.prototype;\n\nconst cache = umap(new WeakMap);\n\nconst createRender = Tagger => ({\n html: outer('html', Tagger),\n svg: outer('svg', Tagger),\n render(where, what) {\n const hole = typeof what === 'function' ? what() : what;\n const info = cache.get(where) || cache.set(where, createCache());\n const wire = hole instanceof LighterHole ?\n unroll(Tagger, info, hole) : hole;\n if (wire !== info.wire) {\n info.wire = wire;\n where.textContent = '';\n where.appendChild(wire.valueOf());\n }\n return where;\n }\n});\n\nconst createCache = () => ({stack: [], entry: null, wire: null});\n\nconst outer = (type, Tagger) => {\n const cache = umap(new WeakMap);\n const fixed = info => function () {\n return unroll(Tagger, info, hole.apply(null, arguments));\n };\n hole.for = (ref, id) => {\n const memo = cache.get(ref) || cache.set(ref, create(null));\n return memo[id] || (memo[id] = fixed(createCache()));\n };\n hole.node = function () {\n return unroll(\n Tagger,\n createCache(),\n hole.apply(null, arguments)\n ).valueOf();\n };\n return hole;\n function hole() {\n return new LighterHole(type, tta.apply(null, arguments));\n }\n};\n\nconst unroll = (Tagger, info, {type, template, values}) => {\n const {length} = values;\n unrollValues(Tagger, info, values, length);\n let {entry} = info;\n if (!entry || (entry.template !== template || entry.type !== type)) {\n const tag = new Tagger(type);\n info.entry = (entry = {\n type,\n template,\n tag,\n wire: persistent(tag(template, ...values))\n });\n }\n else\n entry.tag(template, ...values);\n return entry.wire;\n};\n\nconst unrollValues = (Tagger, {stack}, values, length) => {\n for (let i = 0; i < length; i++) {\n const hole = values[i];\n if (hole instanceof Hole)\n values[i] = unroll(\n Tagger,\n stack[i] || (stack[i] = createCache()),\n hole\n );\n else if (isArray(hole))\n unrollValues(\n Tagger,\n stack[i] || (stack[i] = createCache()),\n hole,\n hole.length\n );\n else\n stack[i] = null;\n }\n if (length < stack.length)\n stack.splice(length);\n};\n\nfreeze(LighterHole);\nfunction LighterHole(type, args) {\n this.type = type;\n this.template = args.shift();\n this.values = args;\n};\nexport const Hole = LighterHole;\n\nexport const custom = overrides => {\n const prototype = create(tProto);\n keys(overrides).forEach(key => {\n prototype[key] = overrides[key](\n prototype[key] ||\n (key === 'convert' ? domsanitizer : String)\n );\n });\n CustomTagger.prototype = prototype;\n return createRender(CustomTagger);\n function CustomTagger() {\n return Tagger.apply(this, arguments);\n }\n};\n\nconst {render, html, svg} = createRender(Tagger);\nexport {render, html, svg};\n\nfunction tta() {\n let out = [], i = 0, {length} = arguments;\n while (i < length)\n out.push(arguments[i++]);\n return out;\n}\n"]}