ESM: Ported BSON, ToTable, Filetime and XKCD operations

src/core/operations/ToTable.mjs

@@ -0,0 +1,189 @@
+/**
+ * @author Mark Jones [github.com/justanothermark]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import Utils from "../Utils";
+
+/**
+ * To Table operation
+ */
+class ToTable extends Operation {
+
+    /**
+     * ToTable constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "To Table";
+        this.module = "Default";
+        this.description = "Data can be split on different characters and rendered as an HTML or ASCII table with an optional header row.<br><br>Supports the CSV (Comma Separated Values) file format by default. Change the cell delimiter argument to <code>\\t</code> to support TSV (Tab Separated Values) or <code>|</code> for PSV (Pipe Separated Values).<br><br>You can enter as many delimiters as you like. Each character will be treat as a separate possible delimiter.";
+        this.inputType = "string";
+        this.outputType = "html";
+        this.args = [
+            {
+                "name": "Cell delimiters",
+                "type": "binaryShortString",
+                "value": ","
+            },
+            {
+                "name": "Row delimiters",
+                "type": "binaryShortString",
+                "value": "\\n\\r"
+            },
+            {
+                "name": "Make first row header",
+                "type": "boolean",
+                "value": false
+            },
+            {
+                "name": "Format",
+                "type": "option",
+                "value": ["ASCII", "HTML"]
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {html}
+     */
+    run(input, args) {
+        const [cellDelims, rowDelims, firstRowHeader, format] = args;
+
+        // Process the input into a nested array of elements.
+        const tableData = Utils.parseCSV(input, cellDelims.split(""), rowDelims.split(""));
+
+        if (!tableData.length) return "";
+
+        // Render the data in the requested format.
+        switch (format) {
+            case "ASCII":
+                return asciiOutput(tableData);
+            case "HTML":
+            default:
+                return htmlOutput(tableData);
+        }
+
+        /**
+         * Outputs an array of data as an ASCII table.
+         *
+         * @param {string[][]} tableData
+         * @returns {string}
+         */
+        function asciiOutput(tableData) {
+            const horizontalBorder = "-";
+            const verticalBorder = "|";
+            const crossBorder = "+";
+
+            let output = "";
+            const longestCells = [];
+
+            // Find longestCells value per column to pad cells equally.
+            tableData.forEach(function(row, index) {
+                row.forEach(function(cell, cellIndex) {
+                    if (longestCells[cellIndex] === undefined || cell.length > longestCells[cellIndex]) {
+                        longestCells[cellIndex] = cell.length;
+                    }
+                });
+            });
+
+            // Add the top border of the table to the output.
+            output += outputHorizontalBorder(longestCells);
+
+            // If the first row is a header, remove the row from the data and
+            // add it to the output with another horizontal border.
+            if (firstRowHeader) {
+                const row = tableData.shift();
+                output += outputRow(row, longestCells);
+                output += outputHorizontalBorder(longestCells);
+            }
+
+            // Add the rest of the table rows.
+            tableData.forEach(function(row, index) {
+                output += outputRow(row, longestCells);
+            });
+
+            // Close the table with a final horizontal border.
+            output += outputHorizontalBorder(longestCells);
+
+            return output;
+
+            /**
+             * Outputs a row of correctly padded cells.
+             */
+            function outputRow(row, longestCells) {
+                let rowOutput = verticalBorder;
+                row.forEach(function(cell, index) {
+                    rowOutput += " " + cell + " ".repeat(longestCells[index] - cell.length) + " " + verticalBorder;
+                });
+                rowOutput += "\n";
+                return rowOutput;
+            }
+
+            /**
+             * Outputs a horizontal border with a different character where
+             * the horizontal border meets a vertical border.
+             */
+            function outputHorizontalBorder(longestCells) {
+                let rowOutput = crossBorder;
+                longestCells.forEach(function(cellLength) {
+                    rowOutput += horizontalBorder.repeat(cellLength + 2) + crossBorder;
+                });
+                rowOutput += "\n";
+                return rowOutput;
+            }
+        }
+
+        /**
+         * Outputs a table of data as a HTML table.
+         *
+         * @param {string[][]} tableData
+         * @returns {string}
+         */
+        function htmlOutput(tableData) {
+            // Start the HTML output with suitable classes for styling.
+            let output = "<table class='table table-hover table-condensed table-bordered table-nonfluid'>";
+
+            // If the first row is a header then put it in <thead> with <th> cells.
+            if (firstRowHeader) {
+                const row = tableData.shift();
+                output += "<thead>";
+                output += outputRow(row, "th");
+                output += "</thead>";
+            }
+
+            // Output the rest of the rows in the <tbody>.
+            output += "<tbody>";
+            tableData.forEach(function(row, index) {
+                output += outputRow(row, "td");
+            });
+
+            // Close the body and table elements.
+            output += "</tbody></table>";
+            return output;
+
+          /**
+           * Outputs a table row.
+           *
+           * @param {string[]} row
+           * @param {string} cellType
+           */
+            function outputRow(row, cellType) {
+                let output = "<tr>";
+                row.forEach(function(cell) {
+                    output += "<" + cellType + ">" + cell + "</" + cellType + ">";
+                });
+                output += "</tr>";
+                return output;
+            }
+        }
+    }
+
+}
+
+export default ToTable;