Learn JSONata with examples

IMPORTANT: This flow requires the JSONata npm module to install it run npm i jsonata from the directory where Node-RED is installed. Then set functionExternalModules to true in your 'settings.js' file.

This flow contains working examples of the JSONata function library to assist in learning JSONata.

For more information check out the documentation at https://docs.jsonata.org/overview.html

The examples are broken up into these categories:

1. String Functions
2. Numeric Functions
3. Aggregation Functions
4. Boolean Functions
5. Array Functions
6. Object Functions
7. Date/Time Functions
8. Higher Order Functions

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msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":290,"y":1260,"wires":[["fcea2e9a5a9a9a31"]]},{"id":"7cd53419b0c387ef","type":"inject","z":"2b674150e0c6799d","g":"bd78a6345689686e","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payloadType":"str","x":110,"y":1260,"wires":[["f0854f7725cd1e0a"]]},{"id":"fcea2e9a5a9a9a31","type":"debug","z":"2b674150e0c6799d","g":"bd78a6345689686e","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":1260,"wires":[]},{"id":"0e87c5fd5d165065","type":"function","z":"2b674150e0c6799d","g":"bd78a6345689686e","name":"$formatNumber(num, pic)","func":"// $formatNumber(num, picture [, options])\n\nconst example = [];\nexample[0] = 3.14159265;\nexample[1] = 1234.5678;\n\n// Casts the number to a string and formats it to a decimal representation \n// as specified by the picture string\nconst expression = [];\nexpression[0] = jsonata(`$formatNumber(${example[0]}, \"#.#\")`);\nexpression[1] = jsonata(`$formatNumber(${example[0]}, \"#.00\")`);\nexpression[2] = jsonata(`$formatNumber(${example[1]}, \"#,###.##\")`);\nexpression[3] = jsonata(`$formatNumber(${example[1]}, \"0,000.00%\")`);\nexpression[4] = jsonata(`$formatNumber(${example[1]}, \"#,###.####pm\")`);\n\nmsg.payload = [];\nmsg.payload[0] = expression[0].evaluate();\nmsg.payload[1] = expression[1].evaluate();\nmsg.payload[2] = expression[2].evaluate();\nmsg.payload[3] = expression[3].evaluate();\nmsg.payload[4] = expression[4].evaluate();\n\nreturn 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number to a string and formats it to an integer\n// represented in the number base specified by the radix\nconst expression = [];\nexpression[0] = jsonata(`$formatBase(${example[0]})`);\nexpression[1] = jsonata(`$formatBase(${example[0]}, 2)`);\nexpression[2] = jsonata(`$formatBase(${example[0]}, 16)`);\nexpression[3] = jsonata(`$formatBase(${example[1]}, 2)`);\nexpression[4] = jsonata(`$formatBase(${example[1]}, 16)`);\n\nmsg.payload = [];\nmsg.payload[0] = expression[0].evaluate();\nmsg.payload[1] = expression[1].evaluate();\nmsg.payload[2] = expression[2].evaluate();\nmsg.payload[3] = expression[3].evaluate();\nmsg.payload[4] = expression[4].evaluate();\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":330,"y":1340,"wires":[["da137d0fda54aa1d"]]},{"id":"cd2f7b9ece57ec42","type":"inject","z":"2b674150e0c6799d","g":"bd78a6345689686e","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payloadType":"str","x":110,"y":1340,"wires":[["d225d4b187f80ae9"]]},{"id":"da137d0fda54aa1d","type":"debug","z":"2b674150e0c6799d","g":"bd78a6345689686e","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":1340,"wires":[]},{"id":"bcc10f8b59b05223","type":"function","z":"2b674150e0c6799d","g":"bd78a6345689686e","name":"$formatInteger(num, pic)","func":"// $formatInteger(num, picture)\n\nconst example = [];\nexample[0] = 12;\nexample[1] = 115;\n\n// Casts the number to a string, formats it to an integer representation as specified by the picture\nconst expression = [];\nexpression[0] = jsonata(`$formatInteger(${example[0]}, \"w\")`);\nexpression[1] = jsonata(`$formatInteger(${example[0]}, \"I\")`);\nexpression[2] = jsonata(`$formatInteger(${example[1]}, \"w\")`);\nexpression[3] = jsonata(`$formatInteger(${example[1]}, \"I\")`);\n\nmsg.payload = [];\nmsg.payload[0] = expression[0].evaluate();\nmsg.payload[1] = expression[1].evaluate();\nmsg.payload[2] = expression[2].evaluate();\nmsg.payload[3] = expression[3].evaluate();\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":330,"y":1380,"wires":[["68faa6604649be08"]]},{"id":"4aa9214f104589e5","type":"inject","z":"2b674150e0c6799d","g":"bd78a6345689686e","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"str","x":110,"y":1380,"wires":[["bcc10f8b59b05223"]]},{"id":"68faa6604649be08","type":"debug","z":"2b674150e0c6799d","g":"bd78a6345689686e","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":1380,"wires":[]},{"id":"c879b13b62b7e9e9","type":"function","z":"2b674150e0c6799d","g":"bd78a6345689686e","name":"$parseInteger(str, pic)","func":"// $parseInteger(string, picture)\n\nconst example = [];\nexample[0] = \"five\";\nexample[1] = \"two thousand, one hundred and fifteen\";\nexample[2] = \"123,456,789\";\nexample[3] = \"VIII\";\n\n// Parses the contents of the string parameter to an integer\n// using the format specified by the picture\nconst expression = [];\nexpression[0] = jsonata(`$parseInteger(\"${example[0]}\", \"w\")`);\nexpression[1] = jsonata(`$parseInteger(\"${example[1]}\", \"w\")`);\nexpression[2] = jsonata(`$parseInteger(\"${example[2]}\", \"#,###,##0\")`);\nexpression[3] = jsonata(`$parseInteger(\"${example[3]}\", \"I\")`);\n\nmsg.payload = [];\nmsg.payload[0] = expression[0].evaluate();\nmsg.payload[1] = expression[1].evaluate();\nmsg.payload[2] = expression[2].evaluate();\nmsg.payload[3] = expression[3].evaluate();\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":320,"y":1420,"wires":[["e224ce9d130829a1"]]},{"id":"46054494447c8ae2","type":"inject","z":"2b674150e0c6799d","g":"bd78a6345689686e","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"str","x":110,"y":1420,"wires":[["c879b13b62b7e9e9"]]},{"id":"e224ce9d130829a1","type":"debug","z":"2b674150e0c6799d","g":"bd78a6345689686e","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":1420,"wires":[]},{"id":"3cc6261891386b5f","type":"inject","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payloadType":"str","x":110,"y":80,"wires":[["b5288005cfaed881"]]},{"id":"8e042b0206d96ec3","type":"debug","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":80,"wires":[]},{"id":"b5288005cfaed881","type":"function","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"$string(arg, pre)","func":"// $string(arg, prettify)\n// Argument can be boolean, number, array, null\n// Prettify is boolean, if true, then \"prettified\" JSON is produced\n\nconst example = [];\nexample[0] = true;\nexample[1] = [ 1, \"'false'\", false ];\nexample[2] = null;\nexample[3] = new Date();\nconst data = {\n    example: {\n        test: {\n            pos1: \"success\",\n            pos2: \"failure\",\n        },\n    },\n};\n\n// Casts the arg parameter to a string\nconst expression = [];\nexpression[0] = jsonata(`$string(\"${example[0]}\")`);\nexpression[1] = jsonata(`$string(\"${example[1]}\")`);\nexpression[2] = jsonata(`$string(\"${example[2]}\")`);\nexpression[3] = jsonata(`$string(\"${example[3]}\")`);\nexpression[4] = jsonata(\"$string(example)\");\nexpression[5] = jsonata(\"$string(example, true)\");\n\nmsg.payload = [];\nmsg.payload[0] = expression[0].evaluate();\nmsg.payload[1] = expression[1].evaluate();\nmsg.payload[2] = expression[2].evaluate();\nmsg.payload[3] = expression[3].evaluate();\nmsg.payload[4] = expression[4].evaluate(data);\nmsg.payload[5] = expression[5].evaluate(data);\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":300,"y":80,"wires":[["8e042b0206d96ec3"]]},{"id":"c4e236b5f403ca46","type":"inject","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payloadType":"str","x":110,"y":120,"wires":[["97198c59935dad84"]]},{"id":"139d3d075aef541b","type":"debug","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":120,"wires":[]},{"id":"97198c59935dad84","type":"function","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"$length(str)","func":"// $length(string)\n\nconst example = [];\nexample[0] = \"hello world\";\nexample[1] = [\"test array\"];\nexample[2] = false;\nexample[3] = null;\n\n// Returns the number of characters in the string\nconst expression = [];\nexpression[0] = jsonata(`$length(\"${example[0]}\")`);\nexpression[1] = jsonata(`$length(\"${example[1]}\")`);\nexpression[2] = jsonata(`$length(\"${example[2]}\")`);\nexpression[3] = jsonata(`$length(\"${example[3]}\")`);\n\nmsg.payload = [];\nmsg.payload[0] = expression[0].evaluate();\nmsg.payload[1] = expression[1].evaluate();\nmsg.payload[2] = expression[2].evaluate();\nmsg.payload[3] = expression[3].evaluate();\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":290,"y":120,"wires":[["139d3d075aef541b"]]},{"id":"4d7f61e7faedcb5a","type":"function","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"$substring(str ,sta, len)","func":"// $substring(string, start[, length])\n\nconst example = [ \"hello world\", \"goodbye friend\" ];\n\n// Returns a string containing the characters from start\n// If length is specified, then the substring will be equal to the length in characters\n// If start is negative then it indicates the number of characters from the end\nconst expression = [];\nexpression[0] = jsonata(`$substring(\"${example[0]}\", 2)`);\nexpression[1] = jsonata(`$substring(\"${example[0]}\", 3, 5)`);\nexpression[2] = jsonata(`$substring(\"${example[0]}\", -5)`);\nexpression[3] = jsonata(`$substring(\"${example[0]}\", -5, 3)`);\nexpression[5] = jsonata(`$substring(\"${example[1]}\", 4, 3)`);\nexpression[4] = jsonata(`$substring(\"${example[1]}\", -10, 3)`);\n\nmsg.payload = [];\nmsg.payload[0] = expression[0].evaluate();\nmsg.payload[1] = expression[1].evaluate();\nmsg.payload[2] = expression[2].evaluate();\nmsg.payload[3] = expression[3].evaluate();\nmsg.payload[4] = expression[4].evaluate();\nmsg.payload[5] = expression[5].evaluate();\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":320,"y":160,"wires":[["66744dce571a09f0"]]},{"id":"e48f9f8fb961a5d6","type":"inject","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payloadType":"str","x":110,"y":160,"wires":[["4d7f61e7faedcb5a"]]},{"id":"66744dce571a09f0","type":"debug","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":160,"wires":[]},{"id":"1cc1025e35c9a45f","type":"function","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"$substringBefore(str ,cha)","func":"// $substringBefore(string, characters)\n\nconst example = [];\nexample[0] = `hello \nworld`;\n\n// Returns the substring before the first occurrence of the character sequence\nconst expression = [];\nexpression[0] = jsonata(`$substringBefore(\"${example[0]}\", \" \")`);\nexpression[1] = jsonata(`$substringBefore(\"${example[0]}\", \"l\")`);\nexpression[2] = jsonata(`$substringBefore(\"${example[0]}\", \"o\")`);\nexpression[3] = jsonata(`$substringBefore(\"${example[0]}\", \"r\")`);\nexpression[4] = jsonata(`$substringBefore(\"${example[0]}\", \"\\n\")`);\n\nmsg.payload = [];\nmsg.payload[0] = expression[0].evaluate();\nmsg.payload[1] = expression[1].evaluate();\nmsg.payload[2] = expression[2].evaluate();\nmsg.payload[3] = expression[3].evaluate();\nmsg.payload[4] = expression[4].evaluate();\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":330,"y":200,"wires":[["f30e4fadc037c830"]]},{"id":"0778494e0323db2d","type":"inject","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"str","x":110,"y":200,"wires":[["1cc1025e35c9a45f"]]},{"id":"f30e4fadc037c830","type":"debug","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":200,"wires":[]},{"id":"3079704ac5de15ab","type":"function","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"$substringAfter(str ,cha)","func":"// $substringAfter(string, characters)\n\nconst example = [`hello \nworld`];\n\n// Returns the substring after the first occurrence of the character sequence\nconst expression = [\n    jsonata(`$substringAfter(\"${example[0]}\", \" \")`),\n    jsonata(`$substringAfter(\"${example[0]}\", \"l\")`),\n    jsonata(`$substringAfter(\"${example[0]}\", \"o\")`),\n    jsonata(`$substringAfter(\"${example[0]}\", \"r\")`),\n    jsonata(`$substringAfter(\"${example[0]}\", \"\\n\")`),\n];\n\nmsg.payload = [\n    expression[0].evaluate(),\n    expression[1].evaluate(),\n    expression[2].evaluate(),\n    expression[3].evaluate(),\n    expression[4].evaluate(),\n];\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":330,"y":240,"wires":[["8a34220c1cf0ddf2"]]},{"id":"8a34220c1cf0ddf2","type":"debug","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":240,"wires":[]},{"id":"721d1f7a9c3c34ad","type":"inject","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"str","x":110,"y":240,"wires":[["3079704ac5de15ab"]]},{"id":"ac702313720942fd","type":"function","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"$uppercase(str)","func":"// $uppercase(string)\n\nconst example = \"Hello World\";\n\n// Returns a string with all the characters converted to uppercase\nconst expression = 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Normalizes and trims all whitespace characters in string\n// All tabs, carriage returns, and line feeds are replaced with spaces.\n// Contiguous sequences of spaces are reduced to a single space.\n// Trailing and leading spaces are removed\nconst expression = jsonata(`$trim(\"${example}\")`);\n\nmsg.payload = expression.evaluate();\n\nreturn 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number of characters is at least the absolute value of the width\n// If width is a positive number, then the string is padded to the right\n// If negative, it is padded to the left\n// char argument specifies the padding character, default is space\nconst expression = [\n    jsonata(\"$pad(example, 7)\"),\n    jsonata(\"$pad(example, -7)\"),\n    jsonata(\"$pad(example, 7, '#')\"),\n    jsonata(\"$pad(example, width, char)\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n    expression[3].evaluate(data),\n];\n\nreturn 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\"Billy Bob\";\nconst regex = /(\\w+)\\s(\\w+)/;\n\n// Finds occurrences of pattern within string and replaces them with replacement\nconst expression = [\n    jsonata(`$replace(\"${example}\", \"Hello\", \"Goodbye cruel\")`),\n    jsonata(`$replace(\"${example2}\", ${regex}, \"$2, $1\")`),\n];\n\nmsg.payload = [\n    expression[0].evaluate(),\n    expression[1].evaluate(),\n];\n\nreturn 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a JSONata expression using the current context as the context for evaluation.\nconst expression = [\n    jsonata(\"$eval('[1,2,3]')\"),\n    jsonata(\"$eval('example')\"),\n    jsonata(\"$eval('[$string(7),$string(8),$string(9)]')\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(),\n    expression[1].evaluate(data),\n    expression[2].evaluate(),\n];\n\nreturn 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Converts an ASCII string to a base 64 representation\nconst expression = [\n    jsonata(\"$base64encode(example[0])\"),\n    jsonata(\"$base64encode(example[1])\"),\n    jsonata(\"$base64encode(example[2])\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n];\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":320,"y":680,"wires":[["fee84a10519aa421"]]},{"id":"8ac685159923c118","type":"inject","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"str","x":110,"y":680,"wires":[["ed2e6980f986b9ae"]]},{"id":"fee84a10519aa421","type":"debug","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":680,"wires":[]},{"id":"14a8c5089653d59f","type":"function","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"$base64decode(str)","func":"// $base64decode(string)\n\nconst data = {\n    example: [\n    \"SGVsbG8gd29ybGQ=\",\n    \"VGhpcyBpcyBteSBzZWNyZXQgcGhyYXNlLg==\",\n    \"e3RoZUtleTogJ1RoaXMgaXMgYSBKU09OIHN0cmluZyBleGFtcGxlJ307\",\n    ],\n};\n\n// Converts base 64 encoded bytes to a string, using a UTF-8 Unicode codepage\nconst expression = [\n    jsonata(\"$base64decode(example[0])\"),\n    jsonata(\"$base64decode(example[1])\"),\n    jsonata(\"$base64decode(example[2])\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n];\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":320,"y":720,"wires":[["37889b302715c27e"]]},{"id":"58147d798906386f","type":"inject","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"str","x":110,"y":720,"wires":[["14a8c5089653d59f"]]},{"id":"37889b302715c27e","type":"debug","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":720,"wires":[]},{"id":"6f8cef3d757675b7","type":"function","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"$encodeUrlComponent(str)","func":"// $encodeUrlComponent(string)\n\nconst data = {\n    example: [\n    \"https://www.youtube.com/watch?v=ksGeUD26Mw0\",\n    \"?v=ksGeUD26Mw0\",\n    \"{theKey: 'This is a JSON string example'};\",\n    ],\n};\n\n// Encodes URL component by replacing certain characters with the UTF-8 encoding of the character using escape sequences\nconst expression = [\n    jsonata(\"$encodeUrlComponent(example[0])\"),\n    jsonata(\"$encodeUrlComponent(example[1])\"),\n    jsonata(\"$encodeUrlComponent(example[2])\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n];\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":340,"y":760,"wires":[["aea93a05d365da9c"]]},{"id":"98056fd4c8ea54b0","type":"function","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"$encodeUrl(str)","func":"// $encodeUrl(string)\n\nconst data = {\n    example: [\n    \"Hello world\",\n    \"https://nodered.org/docs/ & not a real url \",\n    \"{theKey: 'This is a JSON string example'};\",\n    ],\n};\n\n// Encodes URL by replacing certain characters with the UTF-8 encoding of the character using escape sequences\nconst expression = [\n    jsonata(\"$encodeUrl(example[0])\"),\n    jsonata(\"$encodeUrl(example[1])\"),\n    jsonata(\"$encodeUrl(example[2])\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n];\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":300,"y":840,"wires":[["251698b309d07a7e"]]},{"id":"265d1b2dc6aae07a","type":"inject","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"str","x":110,"y":760,"wires":[["6f8cef3d757675b7"]]},{"id":"fdccd987154c9d12","type":"inject","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"str","x":110,"y":840,"wires":[["98056fd4c8ea54b0"]]},{"id":"aea93a05d365da9c","type":"debug","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":760,"wires":[]},{"id":"251698b309d07a7e","type":"debug","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":840,"wires":[]},{"id":"faad7e5e44d62653","type":"function","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"$decodeUrlComponent(str)","func":"// $decodeUrlComponent(string)\n\nconst data = {\n    example: [\n    \"https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DksGeUD26Mw0\",\n    \"%3Fv%3DksGeUD26Mw0\",\n    \"%7BtheKey%3A%20'This%20is%20a%20JSON%20string%20example'%7D%3B\",\n    ],\n};\n\n// Decodes a URL component previously created by encodeUrlComponent\nconst expression = [\n    jsonata(\"$decodeUrlComponent(example[0])\"),\n    jsonata(\"$decodeUrlComponent(example[1])\"),\n    jsonata(\"$decodeUrlComponent(example[2])\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n];\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":340,"y":800,"wires":[["e8d3957524002c5b"]]},{"id":"d13dbe29814dadd4","type":"inject","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"str","x":110,"y":800,"wires":[["faad7e5e44d62653"]]},{"id":"e8d3957524002c5b","type":"debug","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":800,"wires":[]},{"id":"85f562c1f72f7317","type":"function","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"$decodeUrl(str)","func":"// $decodeUrl(string)\n\nconst data = {\n    example: [\n    \"Hello%20world\",\n    \"https://nodered.org/docs/%20&%20not%20a%20real%20url%20\",\n    \"%7BtheKey:%20'This%20is%20a%20JSON%20string%20example'%7D;\",\n    ],\n};\n\n// Decodes a URL previously created by encodeUrl\nconst expression = [\n    jsonata(\"$decodeUrl(example[0])\"),\n    jsonata(\"$decodeUrl(example[1])\"),\n    jsonata(\"$decodeUrl(example[2])\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n];\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"jsonata","module":"jsonata"}],"x":300,"y":880,"wires":[["78900f26fea3faf7"]]},{"id":"2587c0a4b7cf100b","type":"inject","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","props":[{"p":"payload"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"str","x":110,"y":880,"wires":[["85f562c1f72f7317"]]},{"id":"78900f26fea3faf7","type":"debug","z":"2b674150e0c6799d","g":"ef756230b8be8f60","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":530,"y":880,"wires":[]},{"id":"e349d1491539c726","type":"function","z":"2b674150e0c6799d","g":"7f9221a083cba77c","name":"$boolean(arg)","func":"// $boolean(arg)\n\n/*\nArgument type\t    Result\nBoolean\t            unchanged\nstring: empty\t    false\nstring: non-empty\ttrue\nnumber: 0\t        false\nnumber: non-zero\ttrue\nnull\t            false\narray: empty\t    false\narray: any true\t    true\narray: all false\tfalse\nobject: empty\t    false\nobject: non-empty\ttrue\nfunction\t        false\n*/\n\nconst data = {\n    example: [\n    true,\n    false,\n    \"\",\n    \"Hello world\",\n    0,\n    1,\n    null,\n    [],\n    [ false, true ],\n    [false],\n    {},\n    { \"non\": \"empty\" },\n    function test() { return; },\n    ],\n};\n\n// Casts the argument to a Boolean\nconst expression = [\n    jsonata(\"$boolean(example[0])\"),\n    jsonata(\"$boolean(example[1])\"),\n    jsonata(\"$boolean(example[2])\"),\n    jsonata(\"$boolean(example[3])\"),\n    jsonata(\"$boolean(example[4])\"),\n    jsonata(\"$boolean(example[5])\"),\n    jsonata(\"$boolean(example[6])\"),\n    jsonata(\"$boolean(example[7])\"),\n    jsonata(\"$boolean(example[8])\"),\n    jsonata(\"$boolean(example[9])\"),\n    jsonata(\"$boolean(example[10])\"),\n    jsonata(\"$boolean(example[11])\"),\n    jsonata(\"$boolean(example[12])\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n    expression[3].evaluate(data),\n    expression[4].evaluate(data),\n    expression[5].evaluate(data),\n    expression[6].evaluate(data),\n    expression[7].evaluate(data),\n    expression[8].evaluate(data),\n    expression[9].evaluate(data),\n    expression[10].evaluate(data),\n    expression[11].evaluate(data),\n    expression[12].evaluate(data),\n];\n\nreturn 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true\narray: empty\t    true\narray: any true\t    false\narray: all false\ttrue\nobject: empty\t    true\nobject: non-empty\tfalse\nfunction\t        true\n*/\n\nconst data = {\n    example: [\n    true,\n    false,\n    \"\",\n    \"Hello world\",\n    0,\n    1,\n    null,\n    [],\n    [ false, true ],\n    [false],\n    {},\n    { \"non\": \"empty\" },\n    function test() { return; },\n    ],\n};\n\n// Returns Boolean NOT on the argument, the revese of $boolean()\nconst expression = [\n    jsonata(\"$not(example[0])\"),\n    jsonata(\"$not(example[1])\"),\n    jsonata(\"$not(example[2])\"),\n    jsonata(\"$not(example[3])\"),\n    jsonata(\"$not(example[4])\"),\n    jsonata(\"$not(example[5])\"),\n    jsonata(\"$not(example[6])\"),\n    jsonata(\"$not(example[7])\"),\n    jsonata(\"$not(example[8])\"),\n    jsonata(\"$not(example[9])\"),\n    jsonata(\"$not(example[10])\"),\n    jsonata(\"$not(example[11])\"),\n    jsonata(\"$not(example[12])\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n    expression[3].evaluate(data),\n    expression[4].evaluate(data),\n    expression[5].evaluate(data),\n    expression[6].evaluate(data),\n    expression[7].evaluate(data),\n    expression[8].evaluate(data),\n    expression[9].evaluate(data),\n    expression[10].evaluate(data),\n    expression[11].evaluate(data),\n    expression[12].evaluate(data),\n];\n\nreturn 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\"non\": \"empty\" },\n    function test() { return; },\n    ],\n};\n\n// Returns Boolean, true if the arg expression evaluates to a value\n// or false if the expression does not match anything\nconst expression = [\n    jsonata(\"$exists(example[0])\"),\n    jsonata(\"$exists(example[1])\"),\n    jsonata(\"$exists(example[2])\"),\n    jsonata(\"$exists(example[3])\"),\n    jsonata(\"$exists(example[4])\"),\n    jsonata(\"$exists(example[5])\"),\n    jsonata(\"$exists(example[6])\"),\n    jsonata(\"$exists(example[7])\"),\n    jsonata(\"$exists(example[8])\"),\n    jsonata(\"$exists(example[9])\"),\n    jsonata(\"$exists(example[10])\"),\n    jsonata(\"$exists(example[11])\"),\n    jsonata(\"$exists(example[12])\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n    expression[3].evaluate(data),\n    expression[4].evaluate(data),\n    expression[5].evaluate(data),\n    expression[6].evaluate(data),\n    expression[7].evaluate(data),\n    expression[8].evaluate(data),\n    expression[9].evaluate(data),\n    expression[10].evaluate(data),\n    expression[11].evaluate(data),\n    expression[12].evaluate(data),\n];\n\nreturn 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values in the array, but with any duplicates removed\nconst expression = [\n    jsonata(\"$distinct(example1)\"),\n    jsonata(\"$distinct(example2)\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n];\n\nreturn 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arrays \n// of values from the array1 ... arrayN arguments from index 0, 1, 2, etc\nconst expression = [\n    jsonata(\"$zip(example1, example2)\"),\n    jsonata(\"$zip(example2, example1)\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n];\n\nreturn 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timestamp in ISO 8601 compatible format and returns it as a string\n// If the optional picture and timezone parameters are supplied,\n// then the current timestamp is formatted as described by the $fromMillis() function\nconst expression = [\n    jsonata(\"$now()\"),\n    jsonata(\"$now(example1, example3)\"),\n    jsonata(\"$now(example2, example3)\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n];\n\nreturn 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[h#1]:[m01][P]\",\n    picture2: \"[H01]:[m01]:[s01] [z]\",\n    timezone: \"-0600\",\n};\n\n// Generates a UTC timestamp in ISO 8601 compatible format and returns it as a string\n// If the optional picture and timezone parameters are supplied,\n// then the current timestamp is formatted as described by the $fromMillis() function\nconst expression = [\n    jsonata(\"$fromMillis(number)\"),\n    jsonata(\"$fromMillis(number, picture1)\"),\n    jsonata(\"$fromMillis(number, picture2, timezone)\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n];\n\nreturn 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\"[M01]/[D01]/[Y0001] [h#1]:[m01][P]\",\n    picture2: \"[H01]:[m01]:[s01]\",\n};\n\n// Generates a UTC timestamp in ISO 8601 compatible format and returns it as a string\n// If the optional picture and timezone parameters are supplied,\n// then the current timestamp is formatted as described by the $fromMillis() function\nconst expression = [\n    jsonata(\"$toMillis(number1)\"),\n    jsonata(\"$toMillis(number2, picture1)\"),\n    jsonata(\"$toMillis(number3, picture2)\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n];\n\nreturn 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    \"topic\": \"test\",\n    },\n    example3: [\n        { \"A\": 1 },\n        { \"B\": 2 },\n        { \"A\": 3 },\n        { \"C\": 4 },\n        { \"B\": 5 },\n        { \"A\": 6 },\n    ],\n};\n\n// Returns an array containing the keys in the object.\n// If the argument is an array of objects, then the returned contains\n// a de-duplicated list of all the keys in all of the objects.\nconst expression = [\n    jsonata(\"$keys(example1)\"),\n    jsonata(\"$keys(example2)\"),\n    jsonata(\"$keys(example3)\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n];\n\nreturn 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\"payload\": \"Success\",\n        \"topic\": \"test\",\n    },\n    example3: [\n        { \"A\": 1 },\n        { \"B\": 2 },\n        { \"C\": 3 },\n        { \"D\": 4 },\n        { \"E\": 5 },\n        { \"A\": 6 },\n    ],\n};\n\n// Returns the value associated with key in object.\n// If the first argument is an array of objects,\n// then all objects in the array are searched,\n// and the values associated with all occurrences of key are returned\nconst expression = [\n    jsonata(\"$lookup(example1, 'B')\"),\n    jsonata(\"$lookup(example2, 'payload')\"),\n    jsonata(\"$lookup(example3, 'A')\"),\n];\n\nmsg.payload = [\n    expression[0].evaluate(data),\n    expression[1].evaluate(data),\n    expression[2].evaluate(data),\n];\n\nreturn 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