preact/jsx-runtime/dist/jsxRuntime.mjs.map

Fast 4kb React-compatible Virtual DOM library.

{"version":3,"file":"jsxRuntime.mjs","sources":["../src/utils.js","../src/index.js"],"sourcesContent":["const ENCODED_ENTITIES = /[\"&<]/;\n\n/** @param {string} str */\nexport function encodeEntities(str) {\n\t// Skip all work for strings with no entities needing encoding:\n\tif (!str.length || !ENCODED_ENTITIES.test(str)) return str;\n\n\tlet last = 0,\n\t\ti = 0,\n\t\tout = '',\n\t\tch = '';\n\n\t// Seek forward in str until the next entity char:\n\tfor (; i < str.length; i++) {\n\t\tswitch (str.charCodeAt(i)) {\n\t\t\tcase 34:\n\t\t\t\tch = '&quot;';\n\t\t\t\tbreak;\n\t\t\tcase 38:\n\t\t\t\tch = '&amp;';\n\t\t\t\tbreak;\n\t\t\tcase 60:\n\t\t\t\tch = '&lt;';\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\tcontinue;\n\t\t}\n\t\t// Append skipped/buffered characters and the encoded entity:\n\t\tif (i != last) out += str.slice(last, i);\n\t\tout += ch;\n\t\t// Start the next seek/buffer after the entity's offset:\n\t\tlast = i + 1;\n\t}\n\tif (i != last) out += str.slice(last, i);\n\treturn out;\n}\n","import { options, Fragment } from 'preact';\nimport { encodeEntities } from './utils';\n\nlet vnodeId = 0;\n\nconst isArray = Array.isArray;\n\n/**\n * @fileoverview\n * This file exports various methods that implement Babel's \"automatic\" JSX runtime API:\n * - jsx(type, props, key)\n * - jsxs(type, props, key)\n * - jsxDEV(type, props, key, __source, __self)\n *\n * The implementation of createVNode here is optimized for performance.\n * Benchmarks: https://esbench.com/bench/5f6b54a0b4632100a7dcd2b3\n */\n\n/**\n * JSX.Element factory used by Babel's {runtime:\"automatic\"} JSX transform\n * @param {import('../../src/internal').VNode['type']} type\n * @param {import('preact').VNode['props']} props\n * @param {import('preact').VNode['key']} [key]\n * @param {unknown} [isStaticChildren]\n * @param {unknown} [__source]\n * @param {unknown} [__self]\n */\nfunction createVNode(type, props, key, isStaticChildren, __source, __self) {\n\tif (!props) props = {};\n\t// We'll want to preserve `ref` in props to get rid of the need for\n\t// forwardRef components in the future, but that should happen via\n\t// a separate PR.\n\tlet normalizedProps = props,\n\t\tref,\n\t\ti;\n\n\tif ('ref' in normalizedProps && typeof type != 'function') {\n\t\tnormalizedProps = {};\n\t\tfor (i in props) {\n\t\t\tif (i == 'ref') {\n\t\t\t\tref = props[i];\n\t\t\t} else {\n\t\t\t\tnormalizedProps[i] = props[i];\n\t\t\t}\n\t\t}\n\t}\n\n\t/** @type {import('../../src/internal').VNode & { __source?: any; __self?: any }} */\n\tconst vnode = {\n\t\ttype,\n\t\tprops: normalizedProps,\n\t\tkey,\n\t\tref,\n\t\t_children: null,\n\t\t_parent: null,\n\t\t_depth: 0,\n\t\t_dom: null,\n\t\t_component: null,\n\t\tconstructor: undefined,\n\t\t_original: --vnodeId,\n\t\t_index: -1,\n\t\t_flags: 0\n\t};\n\n\tif (__source || __self) {\n\t\tvnode.__source = __source;\n\t\tvnode.__self = __self;\n\t}\n\n\tif (options.vnode) options.vnode(vnode);\n\treturn vnode;\n}\n\n/**\n * Create a template vnode. This function is not expected to be\n * used directly, but rather through a precompile JSX transform\n * @param {string[]} templates\n * @param  {Array<string | null | import('preact').VNode>} exprs\n * @returns {import('preact').VNode}\n */\nfunction jsxTemplate(templates, ...exprs) {\n\tconst vnode = createVNode(Fragment, { tpl: templates, exprs });\n\t// Bypass render to string top level Fragment optimization\n\t// @ts-ignore\n\tvnode.key = vnode._vnode;\n\treturn vnode;\n}\n\nconst JS_TO_CSS = {};\nconst CSS_REGEX = /[A-Z]/g;\n\n/**\n * Unwrap potential signals.\n * @param {*} value\n * @returns {*}\n */\nfunction normalizeAttrValue(value) {\n\treturn value != null &&\n\t\ttypeof value == 'object' &&\n\t\ttypeof value.valueOf == 'function'\n\t\t? value.valueOf()\n\t\t: value;\n}\n\n/**\n * Serialize an HTML attribute to a string. This function is not\n * expected to be used directly, but rather through a precompile\n * JSX transform\n * @param {string} name The attribute name\n * @param {*} value The attribute value\n * @returns {string}\n */\nfunction jsxAttr(name, value) {\n\tif (options.attr) {\n\t\tconst result = options.attr(name, value);\n\t\tif (typeof result == 'string') return result;\n\t}\n\n\tvalue = normalizeAttrValue(value);\n\n\tif (name == 'ref' || name == 'key') return '';\n\tif (name == 'style' && typeof value == 'object') {\n\t\tlet str = '';\n\t\tfor (let prop in value) {\n\t\t\tlet val = value[prop];\n\t\t\tif (val != null && val !== '') {\n\t\t\t\tconst name =\n\t\t\t\t\tprop[0] == '-'\n\t\t\t\t\t\t? prop\n\t\t\t\t\t\t: JS_TO_CSS[prop] ||\n\t\t\t\t\t\t\t(JS_TO_CSS[prop] = prop.replace(CSS_REGEX, '-$&').toLowerCase());\n\n\t\t\t\tstr = str + name + ':' + val + ';';\n\t\t\t}\n\t\t}\n\t\treturn name + '=\"' + encodeEntities(str) + '\"';\n\t}\n\n\tif (\n\t\tvalue == null ||\n\t\tvalue === false ||\n\t\ttypeof value == 'function' ||\n\t\ttypeof value == 'object'\n\t) {\n\t\treturn '';\n\t} else if (value === true) return name;\n\n\treturn name + '=\"' + encodeEntities('' + value) + '\"';\n}\n\n/**\n * Escape a dynamic child passed to `jsxTemplate`. This function\n * is not expected to be used directly, but rather through a\n * precompile JSX transform\n * @param {*} value\n * @returns {string | null | import('preact').VNode | Array<string | null | import('preact').VNode>}\n */\nfunction jsxEscape(value) {\n\tif (\n\t\tvalue == null ||\n\t\ttypeof value == 'boolean' ||\n\t\ttypeof value == 'function'\n\t) {\n\t\treturn null;\n\t}\n\n\tif (typeof value == 'object') {\n\t\t// Check for VNode\n\t\tif (value.constructor === undefined) return value;\n\n\t\tif (isArray(value)) {\n\t\t\tfor (let i = 0; i < value.length; i++) {\n\t\t\t\tvalue[i] = jsxEscape(value[i]);\n\t\t\t}\n\t\t\treturn value;\n\t\t}\n\t}\n\n\treturn encodeEntities('' + value);\n}\n\nexport {\n\tcreateVNode as jsx,\n\tcreateVNode as jsxs,\n\tcreateVNode as jsxDEV,\n\tFragment,\n\t// precompiled JSX transform\n\tjsxTemplate,\n\tjsxAttr,\n\tjsxEscape\n};\n"],"names":["ENCODED_ENTITIES","encodeEntities","str","length","test","last","i","out","ch","charCodeAt","slice","vnodeId","isArray","Array","createVNode","type","props","key","isStaticChildren","__source","__self","ref","normalizedProps","vnode","__k","__","__b","__e","__c","constructor","undefined","__v","__i","__u","options","jsxTemplate","templates","Fragment","tpl","exprs","call","arguments","JS_TO_CSS","CSS_REGEX","jsxAttr","name","value","attr","result","valueOf","normalizeAttrValue","prop","val","replace","toLowerCase","jsxEscape"],"mappings":"4EAAA,IAAMA,EAAmB,QAGlB,SAASC,EAAeC,GAE9B,IAAKA,EAAIC,SAAWH,EAAiBI,KAAKF,GAAM,OAAOA,EAQvD,IANA,IAAIG,EAAO,EACVC,EAAI,EACJC,EAAM,GACNC,EAAK,GAGCF,EAAIJ,EAAIC,OAAQG,IAAK,CAC3B,OAAQJ,EAAIO,WAAWH,IACtB,KAAK,GACJE,EAAK,SACL,MACD,KAAK,GACJA,EAAK,QACL,MACD,KAAK,GACJA,EAAK,OACL,MACD,QACC,SAGEF,GAAKD,IAAME,GAAOL,EAAIQ,MAAML,EAAMC,IACtCC,GAAOC,EAEPH,EAAOC,EAAI,CACZ,CAEA,OADIA,GAAKD,IAAME,GAAOL,EAAIQ,MAAML,EAAMC,IAC/BC,CACR,CChCA,IAAII,EAAU,EAERC,EAAUC,MAAMD,QAsBtB,SAASE,EAAYC,EAAMC,EAAOC,EAAKC,EAAkBC,EAAUC,GAC7DJ,IAAOA,EAAQ,CAAA,GAIpB,IACCK,EACAf,EAFGgB,EAAkBN,EAItB,GAAI,QAASM,GAAkC,mBAARP,EAEtC,IAAKT,KADLgB,EAAkB,CAAA,EACRN,EACA,OAALV,EACHe,EAAML,EAAMV,GAEZgB,EAAgBhB,GAAKU,EAAMV,GAM9B,IAAMiB,EAAQ,CACbR,KAAAA,EACAC,MAAOM,EACPL,IAAAA,EACAI,IAAAA,EACAG,IAAW,KACXC,GAAS,KACTC,IAAQ,EACRC,IAAM,KACNC,IAAY,KACZC,iBAAaC,EACbC,MAAapB,EACbqB,KAAQ,EACRC,IAAQ,GAST,OANId,GAAYC,KACfG,EAAMJ,SAAWA,EACjBI,EAAMH,OAASA,GAGZc,EAAQX,OAAOW,EAAQX,MAAMA,GAC1BA,CACR,CASA,SAASY,EAAYC,GACpB,IAAMb,EAAQT,EAAYuB,EAAU,CAAEC,IAAKF,EAAWG,MAAK,GAAA7B,MAAA8B,KAAAC,UAAA,KAI3D,OADAlB,EAAMN,IAAMM,EAAKQ,IACVR,CACR,CAEA,IAAMmB,EAAY,CAAA,EACZC,EAAY,SAuBlB,SAASC,EAAQC,EAAMC,GACtB,GAAIZ,EAAQa,KAAM,CACjB,IAAMC,EAASd,EAAQa,KAAKF,EAAMC,GAClC,GAAqB,iBAAVE,EAAoB,OAAOA,CACvC,CAIA,GAFAF,EAtBD,SAA4BA,GAC3B,OAAgB,MAATA,GACU,iBAATA,GACiB,mBAAjBA,EAAMG,QACXH,EAAMG,UACNH,CACJ,CAgBSI,CAAmBJ,GAEf,OAARD,GAAyB,OAARA,EAAe,MAAO,GAC3C,GAAY,SAARA,GAAmC,iBAATC,EAAmB,CAChD,IAAI5C,EAAM,GACV,IAAK,IAAIiD,KAAQL,EAAO,CACvB,IAAIM,EAAMN,EAAMK,GACL,MAAPC,GAAuB,KAARA,IAOlBlD,EAAMA,GALM,KAAXiD,EAAK,GACFA,EACAT,EAAUS,KACVT,EAAUS,GAAQA,EAAKE,QAAQV,EAAW,OAAOW,gBAElC,IAAMF,EAAM,IAEjC,CACA,OAAOP,EAAO,KAAO5C,EAAeC,GAAO,GAC5C,CAEA,OACU,MAAT4C,IACU,IAAVA,GACgB,mBAATA,GACS,iBAATA,EAEA,IACa,IAAVA,EAAuBD,EAE3BA,EAAO,KAAO5C,EAAe,GAAK6C,GAAS,GACnD,CASA,SAASS,EAAUT,GAClB,GACU,MAATA,GACgB,kBAATA,GACS,mBAATA,EAEP,OAAO,KAGR,GAAoB,iBAATA,EAAmB,CAE7B,QAA0BhB,IAAtBgB,EAAMjB,YAA2B,OAAOiB,EAE5C,GAAIlC,EAAQkC,GAAQ,CACnB,IAAK,IAAIxC,EAAI,EAAGA,EAAIwC,EAAM3C,OAAQG,IACjCwC,EAAMxC,GAAKiD,EAAUT,EAAMxC,IAE5B,OAAOwC,CACR,CACD,CAEA,OAAO7C,EAAe,GAAK6C,EAC5B"}