utils.js
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"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.isEventFromHandle = isEventFromHandle;
exports.isValueOutOfRange = isValueOutOfRange;
exports.isNotTouchEvent = isNotTouchEvent;
exports.getClosestPoint = getClosestPoint;
exports.getPrecision = getPrecision;
exports.getMousePosition = getMousePosition;
exports.getTouchPosition = getTouchPosition;
exports.getHandleCenterPosition = getHandleCenterPosition;
exports.ensureValueInRange = ensureValueInRange;
exports.ensureValuePrecision = ensureValuePrecision;
exports.pauseEvent = pauseEvent;
exports.calculateNextValue = calculateNextValue;
exports.getKeyboardValueMutator = getKeyboardValueMutator;
var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
var _reactDom = require("react-dom");
var _KeyCode = _interopRequireDefault(require("rc-util/lib/KeyCode"));
function isEventFromHandle(e, handles) {
try {
return Object.keys(handles).some(function (key) {
return e.target === (0, _reactDom.findDOMNode)(handles[key]);
});
} catch (error) {
return false;
}
}
function isValueOutOfRange(value, _ref) {
var min = _ref.min,
max = _ref.max;
return value < min || value > max;
}
function isNotTouchEvent(e) {
return e.touches.length > 1 || e.type.toLowerCase() === 'touchend' && e.touches.length > 0;
}
function getClosestPoint(val, _ref2) {
var marks = _ref2.marks,
step = _ref2.step,
min = _ref2.min,
max = _ref2.max;
var points = Object.keys(marks).map(parseFloat);
if (step !== null) {
var baseNum = Math.pow(10, getPrecision(step));
var maxSteps = Math.floor((max * baseNum - min * baseNum) / (step * baseNum));
var steps = Math.min((val - min) / step, maxSteps);
var closestStep = Math.round(steps) * step + min;
points.push(closestStep);
}
var diffs = points.map(function (point) {
return Math.abs(val - point);
});
return points[diffs.indexOf(Math.min.apply(Math, (0, _toConsumableArray2.default)(diffs)))];
}
function getPrecision(step) {
var stepString = step.toString();
var precision = 0;
if (stepString.indexOf('.') >= 0) {
precision = stepString.length - stepString.indexOf('.') - 1;
}
return precision;
}
function getMousePosition(vertical, e) {
return vertical ? e.clientY : e.pageX;
}
function getTouchPosition(vertical, e) {
return vertical ? e.touches[0].clientY : e.touches[0].pageX;
}
function getHandleCenterPosition(vertical, handle) {
var coords = handle.getBoundingClientRect();
return vertical ? coords.top + coords.height * 0.5 : window.pageXOffset + coords.left + coords.width * 0.5;
}
function ensureValueInRange(val, _ref3) {
var max = _ref3.max,
min = _ref3.min;
if (val <= min) {
return min;
}
if (val >= max) {
return max;
}
return val;
}
function ensureValuePrecision(val, props) {
var step = props.step;
var closestPoint = isFinite(getClosestPoint(val, props)) ? getClosestPoint(val, props) : 0; // eslint-disable-line
return step === null ? closestPoint : parseFloat(closestPoint.toFixed(getPrecision(step)));
}
function pauseEvent(e) {
e.stopPropagation();
e.preventDefault();
}
function calculateNextValue(func, value, props) {
var operations = {
increase: function increase(a, b) {
return a + b;
},
decrease: function decrease(a, b) {
return a - b;
}
};
var indexToGet = operations[func](Object.keys(props.marks).indexOf(JSON.stringify(value)), 1);
var keyToGet = Object.keys(props.marks)[indexToGet];
if (props.step) {
return operations[func](value, props.step);
}
if (!!Object.keys(props.marks).length && !!props.marks[keyToGet]) {
return props.marks[keyToGet];
}
return value;
}
function getKeyboardValueMutator(e, vertical, reverse) {
var increase = 'increase';
var decrease = 'decrease';
var method = increase;
switch (e.keyCode) {
case _KeyCode.default.UP:
method = vertical && reverse ? decrease : increase;
break;
case _KeyCode.default.RIGHT:
method = !vertical && reverse ? decrease : increase;
break;
case _KeyCode.default.DOWN:
method = vertical && reverse ? increase : decrease;
break;
case _KeyCode.default.LEFT:
method = !vertical && reverse ? increase : decrease;
break;
case _KeyCode.default.END:
return function (value, props) {
return props.max;
};
case _KeyCode.default.HOME:
return function (value, props) {
return props.min;
};
case _KeyCode.default.PAGE_UP:
return function (value, props) {
return value + props.step * 2;
};
case _KeyCode.default.PAGE_DOWN:
return function (value, props) {
return value - props.step * 2;
};
default:
return undefined;
}
return function (value, props) {
return calculateNextValue(method, value, props);
};
}