d3plus-common
Version:
Common functions and methods used across D3plus modules.
27 lines (24 loc) • 797 B
JavaScript
/**
@function parseSides
@desc Converts a string of directional CSS shorthand values into an object with the values expanded.
@param {String|Number} sides The CSS shorthand string to expand.
*/
export default function(sides) {
var values;
if (typeof sides === "number") { values = [sides]; }
else { values = sides.split(/\s+/); }
if (values.length === 1) { values = [values[0], values[0], values[0], values[0]]; }
else if (values.length === 2) { values = values.concat(values); }
else if (values.length === 3) { values.push(values[1]); }
return [
"top",
"right",
"bottom",
"left"
].reduce(function (acc, direction, i) {
var value = parseFloat(values[i]);
acc[direction] = value || 0;
return acc;
}, {});
}
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