From 638fbd1d8ce9ae00d92c749866ba076b51305aa7 Mon Sep 17 00:00:00 2001
From: Florian Wilhelm <fwilhelm.wgt+github@gmail.com>
Date: Thu, 27 Aug 2020 22:43:09 +0200
Subject: [PATCH] wip-node-api

---
 .../kotlin/com/github/fwilhe/inzell/sheet.kt  |  5 +++++
 src/jsMain/kotlin/node.kt                     | 22 +++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 src/jsMain/kotlin/node.kt

diff --git a/src/commonMain/kotlin/com/github/fwilhe/inzell/sheet.kt b/src/commonMain/kotlin/com/github/fwilhe/inzell/sheet.kt
index 55dec2c..05223c5 100644
--- a/src/commonMain/kotlin/com/github/fwilhe/inzell/sheet.kt
+++ b/src/commonMain/kotlin/com/github/fwilhe/inzell/sheet.kt
@@ -1,11 +1,15 @@
 package com.github.fwilhe.inzell
 
+import kotlin.js.JsExport
+
 typealias columnFunction = (Int) -> Double
 
+@JsExport
 class Column(val title: String, private val function: columnFunction) {
     fun eval(i: Int): Double = function.invoke(i)
 }
 
+@JsExport
 class Sheet(val columns: List<Column>, val caption: String = "(No caption provided)") {
     fun row(index: Int): List<Double> = columns.map { it.eval(index) }
     fun title(index: Int): String = columns[index].title
@@ -23,6 +27,7 @@ abstract class SpreadsheetPrinter(val sheet: Sheet, val numberOfRows: Int = 10)
     }
 }
 
+@JsExport
 class CsvPrinter(sheet: Sheet) : SpreadsheetPrinter(sheet) {
     override fun toString(): String {
         val stringBuilder = StringBuilder()
diff --git a/src/jsMain/kotlin/node.kt b/src/jsMain/kotlin/node.kt
new file mode 100644
index 0000000..d7267c1
--- /dev/null
+++ b/src/jsMain/kotlin/node.kt
@@ -0,0 +1,22 @@
+import com.github.fwilhe.inzell.Column
+import com.github.fwilhe.inzell.CsvPrinter
+import com.github.fwilhe.inzell.Sheet
+import com.github.fwilhe.inzell.cosine
+
+@ExperimentalJsExport
+@JsExport
+fun spreadsheet(columns: List<Column>): Sheet {
+    return Sheet(columns)
+}
+
+@ExperimentalJsExport
+@JsExport
+fun column(title: String, fn: (Int) -> Double): Column {
+    return Column(title, fn)
+}
+
+@ExperimentalJsExport
+@JsExport
+fun print(sheet: Sheet) {
+    println(sheet.columns.first().eval(3))
+}
\ No newline at end of file