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sometimes we get a path component like /{nextLink}\n // which may be a fully formed URL with a leading /. In that case, we should\n // remove the leading /\n if (operationSpec.path === \"/{nextLink}\" && path.startsWith(\"/\")) {\n path = path.substring(1);\n }\n // QUIRK: sometimes we get a path component like {nextLink}\n // which may be a fully formed URL. In that case, we should\n // ignore the baseUri.\n if (isAbsoluteUrl(path)) {\n requestUrl = path;\n isAbsolutePath = true;\n } else {\n requestUrl = appendPath(requestUrl, path);\n }\n }\n\n const { queryParams, sequenceParams } = calculateQueryParameters(\n operationSpec,\n operationArguments,\n fallbackObject,\n );\n /**\n * Notice that this call sets the `noOverwrite` parameter to true if the `requestUrl`\n * is an absolute path. This ensures that existing query parameter values in `requestUrl`\n * do not get overwritten. On the other hand when `requestUrl` is not absolute path, it\n * is still being built so there is nothing to overwrite.\n */\n requestUrl = appendQueryParams(requestUrl, queryParams, sequenceParams, isAbsolutePath);\n\n return requestUrl;\n}\n\nfunction replaceAll(input: string, replacements: Map<string, string>): string {\n let result = input;\n for (const [searchValue, replaceValue] of replacements) {\n result = result.split(searchValue).join(replaceValue);\n }\n return result;\n}\n\nfunction calculateUrlReplacements(\n operationSpec: OperationSpec,\n operationArguments: OperationArguments,\n fallbackObject: { [parameterName: string]: any },\n): Map<string, string> {\n const result = new Map<string, string>();\n if (operationSpec.urlParameters?.length) {\n for (const urlParameter of operationSpec.urlParameters) {\n let urlParameterValue: string = getOperationArgumentValueFromParameter(\n operationArguments,\n urlParameter,\n fallbackObject,\n );\n const parameterPathString = getPathStringFromParameter(urlParameter);\n urlParameterValue = operationSpec.serializer.serialize(\n urlParameter.mapper,\n urlParameterValue,\n parameterPathString,\n );\n if (!urlParameter.skipEncoding) {\n urlParameterValue = encodeURIComponent(urlParameterValue);\n }\n result.set(\n `{${urlParameter.mapper.serializedName || parameterPathString}}`,\n urlParameterValue,\n );\n }\n }\n return result;\n}\n\nfunction isAbsoluteUrl(url: string): boolean {\n return url.includes(\"://\");\n}\n\nfunction appendPath(url: string, pathToAppend?: string): string {\n if (!pathToAppend) {\n return url;\n }\n\n const parsedUrl = new URL(url);\n let newPath = parsedUrl.pathname;\n\n if (!newPath.endsWith(\"/\")) {\n newPath = `${newPath}/`;\n }\n\n if (pathToAppend.startsWith(\"/\")) {\n pathToAppend = pathToAppend.substring(1);\n }\n\n const searchStart = pathToAppend.indexOf(\"?\");\n if (searchStart !== -1) {\n const path = pathToAppend.substring(0, searchStart);\n const search = pathToAppend.substring(searchStart + 1);\n newPath = newPath + path;\n if (search) {\n parsedUrl.search = parsedUrl.search ? `${parsedUrl.search}&${search}` : search;\n }\n } else {\n newPath = newPath + pathToAppend;\n }\n\n parsedUrl.pathname = newPath;\n\n return parsedUrl.toString();\n}\n\nfunction calculateQueryParameters(\n operationSpec: OperationSpec,\n operationArguments: OperationArguments,\n fallbackObject: { [parameterName: string]: any },\n): {\n queryParams: Map<string, string | string[]>;\n sequenceParams: Set<string>;\n} {\n const result = new Map<string, string | string[]>();\n const sequenceParams: Set<string> = new Set<string>();\n\n if (operationSpec.queryParameters?.length) {\n for (const queryParameter of operationSpec.queryParameters) {\n if (queryParameter.mapper.type.name === \"Sequence\" && queryParameter.mapper.serializedName) {\n sequenceParams.add(queryParameter.mapper.serializedName);\n }\n let queryParameterValue: string | string[] = getOperationArgumentValueFromParameter(\n operationArguments,\n queryParameter,\n fallbackObject,\n );\n if (\n (queryParameterValue !== undefined && queryParameterValue !== null) ||\n queryParameter.mapper.required\n ) {\n queryParameterValue = operationSpec.serializer.serialize(\n queryParameter.mapper,\n queryParameterValue,\n getPathStringFromParameter(queryParameter),\n );\n\n const delimiter = queryParameter.collectionFormat\n ? CollectionFormatToDelimiterMap[queryParameter.collectionFormat]\n : \"\";\n if (Array.isArray(queryParameterValue)) {\n // replace null and undefined\n queryParameterValue = queryParameterValue.map((item) => {\n if (item === null || item === undefined) {\n return \"\";\n }\n\n return item;\n });\n }\n if (queryParameter.collectionFormat === \"Multi\" && queryParameterValue.length === 0) {\n continue;\n } else if (\n Array.isArray(queryParameterValue) &&\n (queryParameter.collectionFormat === \"SSV\" || queryParameter.collectionFormat === \"TSV\")\n ) {\n queryParameterValue = queryParameterValue.join(delimiter);\n }\n if (!queryParameter.skipEncoding) {\n if (Array.isArray(queryParameterValue)) {\n queryParameterValue = queryParameterValue.map((item: string) => {\n return encodeURIComponent(item);\n });\n } else {\n queryParameterValue = encodeURIComponent(queryParameterValue);\n }\n }\n\n // Join pipes and CSV *after* encoding, or the server will be upset.\n if (\n Array.isArray(queryParameterValue) &&\n (queryParameter.collectionFormat === \"CSV\" || queryParameter.collectionFormat === \"Pipes\")\n ) {\n queryParameterValue = queryParameterValue.join(delimiter);\n }\n\n result.set(\n queryParameter.mapper.serializedName || getPathStringFromParameter(queryParameter),\n queryParameterValue,\n );\n }\n }\n }\n return {\n queryParams: result,\n sequenceParams,\n };\n}\n\nfunction simpleParseQueryParams(queryString: string): Map<string, string | string[] | undefined> {\n const result: Map<string, string | string[] | undefined> = new Map<\n string,\n string | string[] | undefined\n >();\n if (!queryString || queryString[0] !== \"?\") {\n return result;\n }\n\n // remove the leading ?\n queryString = queryString.slice(1);\n const pairs = queryString.split(\"&\");\n\n for (const pair of pairs) {\n const [name, value] = pair.split(\"=\", 2);\n const existingValue = result.get(name);\n if (existingValue) {\n if (Array.isArray(existingValue)) {\n existingValue.push(value);\n } else {\n result.set(name, [existingValue, value]);\n }\n } else {\n result.set(name, value);\n }\n }\n\n return result;\n}\n\n/** @internal */\nexport function appendQueryParams(\n url: string,\n queryParams: Map<string, string | string[]>,\n sequenceParams: Set<string>,\n noOverwrite: boolean = false,\n): string {\n if (queryParams.size === 0) {\n return url;\n }\n\n const parsedUrl = new URL(url);\n\n // QUIRK: parsedUrl.searchParams will have their name/value pairs decoded, which\n // can change their meaning to the server, such as in the case of a SAS signature.\n // To avoid accidentally un-encoding a query param, we parse the key/values ourselves\n const combinedParams = simpleParseQueryParams(parsedUrl.search);\n\n for (const [name, value] of queryParams) {\n const existingValue = combinedParams.get(name);\n if (Array.isArray(existingValue)) {\n if (Array.isArray(value)) {\n existingValue.push(...value);\n const valueSet = new Set(existingValue);\n combinedParams.set(name, Array.from(valueSet));\n } else {\n existingValue.push(value);\n }\n } else if (existingValue) {\n if (Array.isArray(value)) {\n value.unshift(existingValue);\n } else if (sequenceParams.has(name)) {\n combinedParams.set(name, [existingValue, value]);\n }\n if (!noOverwrite) {\n combinedParams.set(name, value);\n }\n } else {\n combinedParams.set(name, value);\n }\n }\n\n const searchPieces: string[] = [];\n for (const [name, value] of combinedParams) {\n if (typeof value === \"string\") {\n searchPieces.push(`${name}=${value}`);\n } else if (Array.isArray(value)) {\n // QUIRK: If we get an array of values, include multiple key/value pairs\n for (const subValue of value) {\n searchPieces.push(`${name}=${subValue}`);\n }\n } else {\n searchPieces.push(`${name}=${value}`);\n }\n }\n\n // QUIRK: we have to set search manually as searchParams will encode comma when it shouldn't.\n parsedUrl.search = searchPieces.length ? `?${searchPieces.join(\"&\")}` : \"\";\n return parsedUrl.toString();\n}\n"]}
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