graphql
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A Query Language and Runtime which can target any service.
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line : line.slice(commonIndent)))\n // Remove leading and trailing blank lines.\n .slice(firstNonEmptyLine ?? 0, lastNonEmptyLine + 1)\n );\n}\n\nfunction leadingWhitespace(str: string): number {\n let i = 0;\n while (i < str.length && isWhiteSpace(str.charCodeAt(i))) {\n ++i;\n }\n return i;\n}\n\n/** @internal */\nexport function isPrintableAsBlockString(value: string): boolean {\n if (value === '') {\n return true; // empty string is printable\n }\n\n let isEmptyLine = true;\n let hasIndent = false;\n let hasCommonIndent = true;\n let seenNonEmptyLine = false;\n\n for (let i = 0; i < value.length; ++i) {\n switch (value.codePointAt(i)) {\n case 0x0000:\n case 0x0001:\n case 0x0002:\n case 0x0003:\n case 0x0004:\n case 0x0005:\n case 0x0006:\n case 0x0007:\n case 0x0008:\n case 0x000b:\n case 0x000c:\n case 0x000e:\n case 0x000f:\n return false; // Has non-printable characters\n\n case 0x000d: // \\r\n return false; // Has \\r or \\r\\n which will be replaced as \\n\n\n case 10: // \\n\n if (isEmptyLine && !seenNonEmptyLine) {\n return false; // Has leading new line\n }\n seenNonEmptyLine = true;\n\n isEmptyLine = true;\n hasIndent = false;\n break;\n case 9: // \\t\n case 32: // <space>\n hasIndent ||= isEmptyLine;\n break;\n default:\n hasCommonIndent &&= hasIndent;\n isEmptyLine = false;\n }\n }\n\n if (isEmptyLine) {\n return false; // Has trailing empty lines\n }\n\n if (hasCommonIndent && seenNonEmptyLine) {\n return false; // Has internal indent\n }\n\n return true;\n}\n\n/**\n * Print a block string in the indented block form by adding a leading and\n * trailing blank line. However, if a block string starts with whitespace and is\n * a single-line, adding a leading blank line would strip that whitespace.\n *\n * @internal\n */\nexport function printBlockString(\n value: string,\n options?: { minimize?: boolean },\n): string {\n const escapedValue = value.replaceAll('\"\"\"', '\\\\\"\"\"');\n\n // Expand a block string's raw value into independent lines.\n const lines = escapedValue.split(/\\r\\n|[\\n\\r]/g);\n const isSingleLine = lines.length === 1;\n\n // If common indentation is found we can fix some of those cases by adding leading new line\n const forceLeadingNewLine =\n lines.length > 1 &&\n lines\n .slice(1)\n .every((line) => line.length === 0 || isWhiteSpace(line.charCodeAt(0)));\n\n // Trailing triple quotes just looks confusing but doesn't force trailing new line\n const hasTrailingTripleQuotes = escapedValue.endsWith('\\\\\"\"\"');\n\n // Trailing quote (single or double) or slash forces trailing new line\n const hasTrailingQuote = value.endsWith('\"') && !hasTrailingTripleQuotes;\n const hasTrailingSlash = value.endsWith('\\\\');\n const forceTrailingNewline = hasTrailingQuote || hasTrailingSlash;\n\n const printAsMultipleLines =\n !options?.minimize &&\n // add leading and trailing new lines only if it improves readability\n (!isSingleLine ||\n value.length > 70 ||\n forceTrailingNewline ||\n forceLeadingNewLine ||\n hasTrailingTripleQuotes);\n\n let result = '';\n\n // Format a multi-line block quote to account for leading space.\n const skipLeadingNewLine = isSingleLine && isWhiteSpace(value.charCodeAt(0));\n if ((printAsMultipleLines && !skipLeadingNewLine) || forceLeadingNewLine) {\n result += '\\n';\n }\n\n result += escapedValue;\n if (printAsMultipleLines || forceTrailingNewline) {\n result += '\\n';\n }\n\n return '\"\"\"' + result + '\"\"\"';\n}\n"]}