{
  "version": 3,
  "sources": ["../src/create-interpolate-element.ts"],
  "sourcesContent": ["/**\n * Internal dependencies\n */\nimport {\n\tcreateElement,\n\tcloneElement,\n\tFragment,\n\tisValidElement,\n\ttype Element as ReactElement,\n} from './react';\nimport type {\n\tConversionMap,\n\tInterpolationInput,\n\tInterpolationString,\n} from './types';\n\nlet indoc: string;\nlet offset: number;\nlet output: ( string | ReactElement )[];\nlet stack: Frame[];\n\n/**\n * Matches tags in the localized string\n *\n * This is used for extracting the tag pattern groups for parsing the localized\n * string and along with the map converting it to a react element.\n *\n * There are four references extracted using this tokenizer:\n *\n * match: Full match of the tag (i.e. <strong>, </strong>, <br/>)\n * isClosing: The closing slash, if it exists.\n * name: The name portion of the tag (strong, br) (if )\n * isSelfClosed: The slash on a self closing tag, if it exists.\n */\nconst tokenizer = /<(\\/)?(\\w+)\\s*(\\/)?>/g;\n\ninterface Frame {\n\t/**\n\t * A parent element which may still have nested children not yet parsed.\n\t */\n\telement: ReactElement;\n\n\t/**\n\t * Offset at which parent element first appears.\n\t */\n\ttokenStart: number;\n\n\t/**\n\t * Length of string marking start of parent element.\n\t */\n\ttokenLength: number;\n\n\t/**\n\t * Running offset at which parsing should continue.\n\t */\n\tprevOffset?: number;\n\n\t/**\n\t * Offset at which last closing element finished, used for finding text between elements.\n\t */\n\tleadingTextStart?: number | null;\n\n\t/**\n\t * Children.\n\t */\n\tchildren: ( string | ReactElement )[];\n}\n\n/**\n * Tracks recursive-descent parse state.\n *\n * This is a Stack frame holding parent elements until all children have been\n * parsed.\n *\n * @private\n * @param element          A parent element which may still have\n *                         nested children not yet parsed.\n * @param tokenStart       Offset at which parent element first\n *                         appears.\n * @param tokenLength      Length of string marking start of parent\n *                         element.\n * @param prevOffset       Running offset at which parsing should\n *                         continue.\n * @param leadingTextStart Offset at which last closing element\n *                         finished, used for finding text between\n *                         elements.\n *\n * @return The stack frame tracking parse progress.\n */\nfunction createFrame(\n\telement: ReactElement,\n\ttokenStart: number,\n\ttokenLength: number,\n\tprevOffset?: number,\n\tleadingTextStart?: number | null\n): Frame {\n\treturn {\n\t\telement,\n\t\ttokenStart,\n\t\ttokenLength,\n\t\tprevOffset,\n\t\tleadingTextStart,\n\t\tchildren: [],\n\t};\n}\n\n/**\n * This function creates an interpolated element from a passed in string with\n * specific tags matching how the string should be converted to an element via\n * the conversion map value.\n *\n * @example\n * For example, for the given string:\n *\n * \"This is a <span>string</span> with <a>a link</a> and a self-closing\n * <CustomComponentB/> tag\"\n *\n * You would have something like this as the conversionMap value:\n *\n * ```js\n * {\n *     span: <span />,\n *     a: <a href={ 'https://github.com' } />,\n *     CustomComponentB: <CustomComponent />,\n * }\n * ```\n *\n * @param  interpolatedString The interpolation string to be parsed.\n * @param  conversionMap      The map used to convert the string to\n *                            a react element.\n * @throws {TypeError}\n * @return A wp element.\n */\nfunction createInterpolateElement< Input extends InterpolationInput >(\n\tinterpolatedString: Input,\n\tconversionMap: ConversionMap< InterpolationString< Input > >\n): ReactElement {\n\tindoc = interpolatedString;\n\toffset = 0;\n\toutput = [];\n\tstack = [];\n\ttokenizer.lastIndex = 0;\n\n\tif ( ! isValidConversionMap( conversionMap ) ) {\n\t\tthrow new TypeError(\n\t\t\t'The conversionMap provided is not valid. It must be an object with values that are React Elements'\n\t\t);\n\t}\n\n\tdo {\n\t\t// twiddle our thumbs\n\t} while ( proceed( conversionMap ) );\n\treturn createElement( Fragment, null, ...output );\n}\n\n/**\n * Validate conversion map.\n *\n * A map is considered valid if it's an object and every value in the object\n * is a React Element\n *\n * @private\n *\n * @param conversionMap The map being validated.\n *\n * @return True means the map is valid.\n */\nconst isValidConversionMap = (\n\tconversionMap: Record< string, ReactElement >\n): boolean => {\n\tconst isObject =\n\t\ttypeof conversionMap === 'object' && conversionMap !== null;\n\tconst values = isObject && Object.values( conversionMap );\n\treturn (\n\t\tisObject &&\n\t\tvalues.length > 0 &&\n\t\tvalues.every( ( element ) => isValidElement( element ) )\n\t);\n};\n\ntype TokenType = 'no-more-tokens' | 'self-closed' | 'opener' | 'closer';\ntype TokenResult =\n\t| [ TokenType & 'no-more-tokens' ]\n\t| [\n\t\t\tTokenType & ( 'self-closed' | 'opener' | 'closer' ),\n\t\t\tstring,\n\t\t\tnumber,\n\t\t\tnumber,\n\t  ];\n\n/**\n * This is the iterator over the matches in the string.\n *\n * @private\n *\n * @param conversionMap The conversion map for the string.\n *\n * @return true for continuing to iterate, false for finished.\n */\nfunction proceed( conversionMap: Record< string, ReactElement > ): boolean {\n\tconst next = nextToken();\n\tconst [ tokenType, name, startOffset, tokenLength ] = next;\n\tconst stackDepth = stack.length;\n\tconst leadingTextStart = startOffset > offset ? offset : null;\n\tif ( name && ! conversionMap[ name ] ) {\n\t\taddText();\n\t\treturn false;\n\t}\n\tswitch ( tokenType ) {\n\t\tcase 'no-more-tokens':\n\t\t\tif ( stackDepth !== 0 ) {\n\t\t\t\tconst { leadingTextStart: stackLeadingText, tokenStart } =\n\t\t\t\t\tstack.pop();\n\t\t\t\toutput.push( indoc.substr( stackLeadingText, tokenStart ) );\n\t\t\t}\n\t\t\taddText();\n\t\t\treturn false;\n\n\t\tcase 'self-closed':\n\t\t\tif ( 0 === stackDepth ) {\n\t\t\t\tif ( null !== leadingTextStart ) {\n\t\t\t\t\toutput.push(\n\t\t\t\t\t\tindoc.substr(\n\t\t\t\t\t\t\tleadingTextStart,\n\t\t\t\t\t\t\tstartOffset - leadingTextStart\n\t\t\t\t\t\t)\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t\toutput.push( conversionMap[ name ] );\n\t\t\t\toffset = startOffset + tokenLength;\n\t\t\t\treturn true;\n\t\t\t}\n\n\t\t\t// Otherwise we found an inner element.\n\t\t\taddChild(\n\t\t\t\tcreateFrame( conversionMap[ name ], startOffset, tokenLength )\n\t\t\t);\n\t\t\toffset = startOffset + tokenLength;\n\t\t\treturn true;\n\n\t\tcase 'opener':\n\t\t\tstack.push(\n\t\t\t\tcreateFrame(\n\t\t\t\t\tconversionMap[ name ],\n\t\t\t\t\tstartOffset,\n\t\t\t\t\ttokenLength,\n\t\t\t\t\tstartOffset + tokenLength,\n\t\t\t\t\tleadingTextStart\n\t\t\t\t)\n\t\t\t);\n\t\t\toffset = startOffset + tokenLength;\n\t\t\treturn true;\n\n\t\tcase 'closer':\n\t\t\t// If we're not nesting then this is easy - close the block.\n\t\t\tif ( 1 === stackDepth ) {\n\t\t\t\tcloseOuterElement( startOffset );\n\t\t\t\toffset = startOffset + tokenLength;\n\t\t\t\treturn true;\n\t\t\t}\n\n\t\t\t// Otherwise we're nested and we have to close out the current\n\t\t\t// block and add it as a innerBlock to the parent.\n\t\t\tconst stackTop = stack.pop();\n\t\t\tconst text = indoc.substr(\n\t\t\t\tstackTop.prevOffset,\n\t\t\t\tstartOffset - stackTop.prevOffset\n\t\t\t);\n\t\t\tstackTop.children.push( text );\n\t\t\tstackTop.prevOffset = startOffset + tokenLength;\n\t\t\tconst frame = createFrame(\n\t\t\t\tstackTop.element,\n\t\t\t\tstackTop.tokenStart,\n\t\t\t\tstackTop.tokenLength,\n\t\t\t\tstartOffset + tokenLength\n\t\t\t);\n\t\t\tframe.children = stackTop.children;\n\t\t\taddChild( frame );\n\t\t\toffset = startOffset + tokenLength;\n\t\t\treturn true;\n\n\t\tdefault:\n\t\t\taddText();\n\t\t\treturn false;\n\t}\n}\n\n/**\n * Grabs the next token match in the string and returns it's details.\n *\n * @private\n *\n * @return An array of details for the token matched.\n */\nfunction nextToken(): TokenResult {\n\tconst matches = tokenizer.exec( indoc );\n\t// We have no more tokens.\n\tif ( null === matches ) {\n\t\treturn [ 'no-more-tokens' ];\n\t}\n\tconst startedAt = matches.index;\n\tconst [ match, isClosing, name, isSelfClosed ] = matches;\n\tconst length = match.length;\n\tif ( isSelfClosed ) {\n\t\treturn [ 'self-closed', name, startedAt, length ];\n\t}\n\tif ( isClosing ) {\n\t\treturn [ 'closer', name, startedAt, length ];\n\t}\n\treturn [ 'opener', name, startedAt, length ];\n}\n\n/**\n * Pushes text extracted from the indoc string to the output stack given the\n * current rawLength value and offset (if rawLength is provided ) or the\n * indoc.length and offset.\n *\n * @private\n */\nfunction addText(): void {\n\tconst length = indoc.length - offset;\n\tif ( 0 === length ) {\n\t\treturn;\n\t}\n\toutput.push( indoc.substr( offset, length ) );\n}\n\n/**\n * Pushes a child element to the associated parent element's children for the\n * parent currently active in the stack.\n *\n * @private\n *\n * @param {Frame} frame The Frame containing the child element and it's\n *                      token information.\n */\nfunction addChild( frame: Frame ): void {\n\tconst { element, tokenStart, tokenLength, prevOffset, children } = frame;\n\tconst parent = stack[ stack.length - 1 ];\n\tconst text = indoc.substr(\n\t\tparent.prevOffset,\n\t\ttokenStart - parent.prevOffset\n\t);\n\n\tif ( text ) {\n\t\tparent.children.push( text );\n\t}\n\n\tparent.children.push( cloneElement( element, null, ...children ) );\n\tparent.prevOffset = prevOffset ? prevOffset : tokenStart + tokenLength;\n}\n\n/**\n * This is called for closing tags. It creates the element currently active in\n * the stack.\n *\n * @private\n *\n * @param {number} endOffset Offset at which the closing tag for the element\n *                           begins in the string. If this is greater than the\n *                           prevOffset attached to the element, then this\n *                           helps capture any remaining nested text nodes in\n *                           the element.\n */\nfunction closeOuterElement( endOffset: number ): void {\n\tconst { element, leadingTextStart, prevOffset, tokenStart, children } =\n\t\tstack.pop();\n\n\tconst text = endOffset\n\t\t? indoc.substr( prevOffset, endOffset - prevOffset )\n\t\t: indoc.substr( prevOffset );\n\n\tif ( text ) {\n\t\tchildren.push( text );\n\t}\n\n\tif ( null !== leadingTextStart ) {\n\t\toutput.push(\n\t\t\tindoc.substr( leadingTextStart, tokenStart - leadingTextStart )\n\t\t);\n\t}\n\n\toutput.push( cloneElement( element, null, ...children ) );\n}\n\nexport default createInterpolateElement;\n"],
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