{
  "version": 3,
  "sources": ["../../../src/assets/dynamic-importmap/resolver.ts"],
  "sourcesContent": ["/**\n * This code is derived from the following projects:\n *\n * 1. dynamic-importmap (https://github.com/keller-mark/dynamic-importmap)\n * 2. es-module-shims (https://github.com/guybedford/es-module-shims)\n *\n * The original implementation was created by Guy Bedford in es-module-shims,\n * then adapted by Mark Keller in dynamic-importmap, and further modified\n * for use in this project.\n *\n * Both projects are licensed under the MIT license.\n *\n * MIT License: https://opensource.org/licenses/MIT\n */\n\nconst backslashRegEx = /\\\\/g;\n\nfunction isURL( url: string ) {\n\tif ( url.indexOf( ':' ) === -1 ) {\n\t\treturn false;\n\t}\n\ttry {\n\t\tnew URL( url );\n\t\treturn true;\n\t} catch {\n\t\treturn false;\n\t}\n}\n\nfunction resolveIfNotPlainOrUrl( relUrl, parentUrl ) {\n\tconst hIdx = parentUrl.indexOf( '#' ),\n\t\tqIdx = parentUrl.indexOf( '?' );\n\tif ( hIdx + qIdx > -2 ) {\n\t\tparentUrl = parentUrl.slice(\n\t\t\t0,\n\t\t\t// eslint-disable-next-line no-nested-ternary\n\t\t\thIdx === -1 ? qIdx : qIdx === -1 || qIdx > hIdx ? hIdx : qIdx\n\t\t);\n\t}\n\tif ( relUrl.indexOf( '\\\\' ) !== -1 ) {\n\t\trelUrl = relUrl.replace( backslashRegEx, '/' );\n\t}\n\t// protocol-relative\n\tif ( relUrl[ 0 ] === '/' && relUrl[ 1 ] === '/' ) {\n\t\treturn parentUrl.slice( 0, parentUrl.indexOf( ':' ) + 1 ) + relUrl;\n\t}\n\t// relative-url\n\telse if (\n\t\t( relUrl[ 0 ] === '.' &&\n\t\t\t( relUrl[ 1 ] === '/' ||\n\t\t\t\t( relUrl[ 1 ] === '.' &&\n\t\t\t\t\t( relUrl[ 2 ] === '/' ||\n\t\t\t\t\t\t( relUrl.length === 2 && ( relUrl += '/' ) ) ) ) ||\n\t\t\t\t( relUrl.length === 1 && ( relUrl += '/' ) ) ) ) ||\n\t\trelUrl[ 0 ] === '/'\n\t) {\n\t\tconst parentProtocol = parentUrl.slice(\n\t\t\t0,\n\t\t\tparentUrl.indexOf( ':' ) + 1\n\t\t);\n\t\t// Disabled, but these cases will give inconsistent results for deep backtracking\n\t\t//if (parentUrl[parentProtocol.length] !== '/')\n\t\t//  throw new Error('Cannot resolve');\n\t\t// read pathname from parent URL\n\t\t// pathname taken to be part after leading \"/\"\n\t\tlet pathname;\n\t\tif ( parentUrl[ parentProtocol.length + 1 ] === '/' ) {\n\t\t\t// resolving to a :// so we need to read out the auth and host\n\t\t\tif ( parentProtocol !== 'file:' ) {\n\t\t\t\tpathname = parentUrl.slice( parentProtocol.length + 2 );\n\t\t\t\tpathname = pathname.slice( pathname.indexOf( '/' ) + 1 );\n\t\t\t} else {\n\t\t\t\tpathname = parentUrl.slice( 8 );\n\t\t\t}\n\t\t} else {\n\t\t\t// resolving to :/ so pathname is the /... part\n\t\t\tpathname = parentUrl.slice(\n\t\t\t\tparentProtocol.length +\n\t\t\t\t\t( parentUrl[ parentProtocol.length ] === '/' )\n\t\t\t);\n\t\t}\n\n\t\tif ( relUrl[ 0 ] === '/' ) {\n\t\t\treturn (\n\t\t\t\tparentUrl.slice( 0, parentUrl.length - pathname.length - 1 ) +\n\t\t\t\trelUrl\n\t\t\t);\n\t\t}\n\n\t\t// join together and split for removal of .. and . segments\n\t\t// looping the string instead of anything fancy for perf reasons\n\t\t// '../../../../../z' resolved to 'x/y' is just 'z'\n\t\tconst segmented =\n\t\t\tpathname.slice( 0, pathname.lastIndexOf( '/' ) + 1 ) + relUrl;\n\n\t\tconst output = [];\n\t\tlet segmentIndex = -1;\n\t\tfor ( let i = 0; i < segmented.length; i++ ) {\n\t\t\t// busy reading a segment - only terminate on '/'\n\t\t\tif ( segmentIndex !== -1 ) {\n\t\t\t\tif ( segmented[ i ] === '/' ) {\n\t\t\t\t\toutput.push( segmented.slice( segmentIndex, i + 1 ) );\n\t\t\t\t\tsegmentIndex = -1;\n\t\t\t\t}\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\t// new segment - check if it is relative\n\t\t\telse if ( segmented[ i ] === '.' ) {\n\t\t\t\t// ../ segment\n\t\t\t\tif (\n\t\t\t\t\tsegmented[ i + 1 ] === '.' &&\n\t\t\t\t\t( segmented[ i + 2 ] === '/' || i + 2 === segmented.length )\n\t\t\t\t) {\n\t\t\t\t\toutput.pop();\n\t\t\t\t\ti += 2;\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\t// ./ segment\n\t\t\t\telse if (\n\t\t\t\t\tsegmented[ i + 1 ] === '/' ||\n\t\t\t\t\ti + 1 === segmented.length\n\t\t\t\t) {\n\t\t\t\t\ti += 1;\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t}\n\t\t\t// it is the start of a new segment\n\t\t\twhile ( segmented[ i ] === '/' ) {\n\t\t\t\ti++;\n\t\t\t}\n\t\t\tsegmentIndex = i;\n\t\t}\n\t\t// finish reading out the last segment\n\t\tif ( segmentIndex !== -1 ) {\n\t\t\toutput.push( segmented.slice( segmentIndex ) );\n\t\t}\n\t\treturn (\n\t\t\tparentUrl.slice( 0, parentUrl.length - pathname.length ) +\n\t\t\toutput.join( '' )\n\t\t);\n\t}\n}\n\nfunction resolveUrl( relUrl, parentUrl ) {\n\treturn (\n\t\tresolveIfNotPlainOrUrl( relUrl, parentUrl ) ||\n\t\t( isURL( relUrl )\n\t\t\t? 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