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Diffstat (limited to 'src/helpers.js')
| -rw-r--r-- | src/helpers.js | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/src/helpers.js b/src/helpers.js deleted file mode 100644 index 9bf393c..0000000 --- a/src/helpers.js +++ /dev/null @@ -1,206 +0,0 @@ -import { dots, reference } from './regex.js' - -export function isNulledBox (box) { - return !box.w && !box.h && !box.x && !box.y -} - -export function domContains (node) { - return (document.documentElement.contains || function (node) { - // This is IE - it does not support contains() for top-level SVGs - while (node.parentNode) { - node = node.parentNode - } - return node === document - }).call(document.documentElement, node) -} - -export function pathRegReplace (a, b, c, d) { - return c + d.replace(dots, ' .') -} - -// creates deep clone of array -export function arrayClone (arr) { - var clone = arr.slice(0) - for (var i = clone.length; i--;) { - if (Array.isArray(clone[i])) { - clone[i] = arrayClone(clone[i]) - } - } - return clone -} - -// tests if a given selector matches an element -export function matcher (el, selector) { - return (el.matches || el.matchesSelector || el.msMatchesSelector || el.mozMatchesSelector || el.webkitMatchesSelector || el.oMatchesSelector).call(el, selector) -} - -// 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) -} - -// Ensure to six-based hex -export function fullHex (hex) { - return hex.length === 4 - ? [ '#', - hex.substring(1, 2), hex.substring(1, 2), - hex.substring(2, 3), hex.substring(2, 3), - hex.substring(3, 4), hex.substring(3, 4) - ].join('') - : hex -} - -// Component to hex value -export function compToHex (comp) { - var hex = comp.toString(16) - return hex.length === 1 ? '0' + hex : hex -} - -// 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 - } -} - -// Map matrix array to object -export function arrayToMatrix (a) { - return { a: a[0], b: a[1], c: a[2], d: a[3], e: a[4], f: a[5] } -} - -// Add centre point to transform object -export function ensureCentre (o, target) { - o.cx = o.cx == null ? target.bbox().cx : o.cx - o.cy = o.cy == null ? target.bbox().cy : o.cy -} - -// PathArray Helpers -export function arrayToString (a) { - for (var i = 0, il = a.length, s = ''; i < il; i++) { - s += a[i][0] - - if (a[i][1] != null) { - s += a[i][1] - - if (a[i][2] != null) { - s += ' ' - s += a[i][2] - - if (a[i][3] != null) { - s += ' ' - s += a[i][3] - s += ' ' - s += a[i][4] - - if (a[i][5] != null) { - s += ' ' - s += a[i][5] - s += ' ' - s += a[i][6] - - if (a[i][7] != null) { - s += ' ' - s += a[i][7] - } - } - } - } - } - } - - return s + ' ' -} - -// Add more bounding box properties -export function fullBox (b) { - if (b.x == null) { - b.x = 0 - b.y = 0 - b.width = 0 - b.height = 0 - } - - b.w = b.width - b.h = b.height - b.x2 = b.x + b.width - b.y2 = b.y + b.height - b.cx = b.x + b.width / 2 - b.cy = b.y + b.height / 2 - - return b -} - -// Get id from reference string -export function idFromReference (url) { - var m = (url || '').toString().match(reference) - - if (m) return m[1] -} - -// Create matrix array for looping -export let abcdef = 'abcdef'.split('') - -export function closeEnough (a, b, threshold) { - return Math.abs(b - a) < (threshold || 1e-6) -} - -// move this to static matrix method -export function isMatrixLike (o) { - return ( - o.a != null || - o.b != null || - o.c != null || - o.d != null || - o.e != null || - o.f != null - ) -} - -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 ] -} |