reordered modules, add es6 build

1 files changed, 96 insertions, 0 deletions

diff --git a/src/utils/utils.js b/src/utils/utils.js
new file mode 100644
index 0000000..e3c9111
--- /dev/null
+++ b/src/utils/utils.js
@@ -0,0 +1,96 @@
+// Map function
+export function map (array, block) {
+  var i
+  var il = array.length
+  var result = []
+
+  for (i = 0; i < il; i++) {
+    result.push(block(array[i]))
+  }
+
+  return result
+}
+
+// Filter function
+export function filter (array, block) {
+  var i
+  var il = array.length
+  var result = []
+
+  for (i = 0; i < il; i++) {
+    if (block(array[i])) { result.push(array[i]) }
+  }
+
+  return result
+}
+
+// Degrees to radians
+export function radians (d) {
+  return d % 360 * Math.PI / 180
+}
+
+// Radians to degrees
+export function degrees (r) {
+  return r * 180 / Math.PI % 360
+}
+
+// Convert dash-separated-string to camelCase
+export function camelCase (s) {
+  return s.toLowerCase().replace(/-(.)/g, function (m, g) {
+    return g.toUpperCase()
+  })
+}
+
+// Capitalize first letter of a string
+export function capitalize (s) {
+  return s.charAt(0).toUpperCase() + s.slice(1)
+}
+
+// Calculate proportional width and height values when necessary
+export function proportionalSize (element, width, height) {
+  if (width == null || height == null) {
+    var box = element.bbox()
+
+    if (width == null) {
+      width = box.width / box.height * height
+    } else if (height == null) {
+      height = box.height / box.width * width
+    }
+  }
+
+  return {
+    width: width,
+    height: height
+  }
+}
+
+export function getOrigin (o, element) {
+  // Allow origin or around as the names
+  let origin = o.origin // o.around == null ? o.origin : o.around
+  let ox, oy
+
+  // Allow the user to pass a string to rotate around a given point
+  if (typeof origin === 'string' || origin == null) {
+    // Get the bounding box of the element with no transformations applied
+    const string = (origin || 'center').toLowerCase().trim()
+    const { height, width, x, y } = element.bbox()
+
+    // Calculate the transformed x and y coordinates
+    let bx = string.includes('left') ? x
+      : string.includes('right') ? x + width
+        : x + width / 2
+    let by = string.includes('top') ? y
+      : string.includes('bottom') ? y + height
+        : y + height / 2
+
+    // Set the bounds eg : "bottom-left", "Top right", "middle" etc...
+    ox = o.ox != null ? o.ox : bx
+    oy = o.oy != null ? o.oy : by
+  } else {
+    ox = origin[0]
+    oy = origin[1]
+  }
+
+  // Return the origin as it is if it wasn't a string
+  return [ ox, oy ]
+}