preact/jsx-runtime/dist/jsxRuntime.umd.js.map

Fast 3kb React-compatible Virtual DOM library.

{"version":3,"file":"jsxRuntime.umd.js","sources":["../src/utils.js","../../src/constants.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 === 0 || ENCODED_ENTITIES.test(str) === false) 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","/** Normal hydration that attaches to a DOM tree but does not diff it. */\nexport const MODE_HYDRATE = 1 << 5;\n/** Signifies this VNode suspended on the previous render */\nexport const MODE_SUSPENDED = 1 << 7;\n/** Indicates that this node needs to be inserted while patching children */\nexport const INSERT_VNODE = 1 << 2;\n/** Indicates a VNode has been matched with another VNode in the diff */\nexport const MATCHED = 1 << 1;\n\n/** Reset all mode flags */\nexport const RESET_MODE = ~(MODE_HYDRATE | MODE_SUSPENDED);\n\nexport const SVG_NAMESPACE = 'http://www.w3.org/2000/svg';\nexport const XHTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';\nexport const MATH_NAMESPACE = 'http://www.w3.org/1998/Math/MathML';\n\nexport const NULL = null;\nexport const UNDEFINED = undefined;\nexport const EMPTY_OBJ = /** @type {any} */ ({});\nexport const EMPTY_ARR = [];\nexport const IS_NON_DIMENSIONAL =\n\t/acit|ex(?:s|g|n|p|$)|rph|grid|ows|mnc|ntw|ine[ch]|zoo|^ord|itera/i;\n","import { options, Fragment } from 'preact';\nimport { encodeEntities } from './utils';\nimport { IS_NON_DIMENSIONAL } from '../../src/constants';\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 {VNode['type']} type\n * @param {VNode['props']} props\n * @param {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) {\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 {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\t__source,\n\t\t__self\n\t};\n\n\t// If a Component VNode, check for and apply defaultProps.\n\t// Note: `type` is often a String, and can be `undefined` in development.\n\tif (typeof type === 'function' && (ref = type.defaultProps)) {\n\t\tfor (i in ref)\n\t\t\tif (typeof normalizedProps[i] === 'undefined') {\n\t\t\t\tnormalizedProps[i] = ref[i];\n\t\t\t}\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 | VNode>} exprs\n * @returns {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\tvnode.key = vnode._vnode;\n\treturn vnode;\n}\n\nconst JS_TO_CSS = {};\nconst CSS_REGEX = /[A-Z]/g;\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\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\tlet suffix = ';';\n\t\t\t\tif (\n\t\t\t\t\ttypeof val === 'number' &&\n\t\t\t\t\t// Exclude custom-attributes\n\t\t\t\t\t!name.startsWith('--') &&\n\t\t\t\t\t!IS_NON_DIMENSIONAL.test(name)\n\t\t\t\t) {\n\t\t\t\t\tsuffix = 'px;';\n\t\t\t\t}\n\t\t\t\tstr = str + name + ':' + val + suffix;\n\t\t\t}\n\t\t}\n\t\treturn name + '=\"' + 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`. 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