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var isValue = c3_chart_internal_fn.isValue = function (v) {
return v || v === 0;
},
isFunction = c3_chart_internal_fn.isFunction = function (o) {
return typeof o === 'function';
},
isString = c3_chart_internal_fn.isString = function (o) {
return typeof o === 'string';
},
isUndefined = c3_chart_internal_fn.isUndefined = function (v) {
return typeof v === 'undefined';
},
isDefined = c3_chart_internal_fn.isDefined = function (v) {
return typeof v !== 'undefined';
},
ceil10 = c3_chart_internal_fn.ceil10 = function (v) {
return Math.ceil(v / 10) * 10;
},
asHalfPixel = c3_chart_internal_fn.asHalfPixel = function (n) {
return Math.ceil(n) + 0.5;
},
diffDomain = c3_chart_internal_fn.diffDomain = function (d) {
return d[1] - d[0];
},
isEmpty = c3_chart_internal_fn.isEmpty = function (o) {
return !o || (isString(o) && o.length === 0) || (typeof o === 'object' && Object.keys(o).length === 0);
},
notEmpty = c3_chart_internal_fn.notEmpty = function (o) {
return Object.keys(o).length > 0;
},
getOption = c3_chart_internal_fn.getOption = function (options, key, defaultValue) {
return isDefined(options[key]) ? options[key] : defaultValue;
},
hasValue = c3_chart_internal_fn.hasValue = function (dict, value) {
var found = false;
Object.keys(dict).forEach(function (key) {
if (dict[key] === value) { found = true; }
});
return found;
},
getPathBox = c3_chart_internal_fn.getPathBox = function (path) {
var box = path.getBoundingClientRect(),
items = [path.pathSegList.getItem(0), path.pathSegList.getItem(1)],
minX = items[0].x, minY = Math.min(items[0].y, items[1].y);
return {x: minX, y: minY, width: box.width, height: box.height};
};
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