File manager - Edit - /home/cipherteam/htdocs/cipherteam.in/backup2609/yogi/assets/node_modules/Chart.js/src/scales/scale.linearbase.js
Back
'use strict'; var helpers = require('../helpers/index'); /** * Generate a set of linear ticks * @param generationOptions the options used to generate the ticks * @param dataRange the range of the data * @returns {Array<Number>} array of tick values */ function generateTicks(generationOptions, dataRange) { var ticks = []; // To get a "nice" value for the tick spacing, we will use the appropriately named // "nice number" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks // for details. var spacing; if (generationOptions.stepSize && generationOptions.stepSize > 0) { spacing = generationOptions.stepSize; } else { var niceRange = helpers.niceNum(dataRange.max - dataRange.min, false); spacing = helpers.niceNum(niceRange / (generationOptions.maxTicks - 1), true); } var niceMin = Math.floor(dataRange.min / spacing) * spacing; var niceMax = Math.ceil(dataRange.max / spacing) * spacing; // If min, max and stepSize is set and they make an evenly spaced scale use it. if (generationOptions.min && generationOptions.max && generationOptions.stepSize) { // If very close to our whole number, use it. if (helpers.almostWhole((generationOptions.max - generationOptions.min) / generationOptions.stepSize, spacing / 1000)) { niceMin = generationOptions.min; niceMax = generationOptions.max; } } var numSpaces = (niceMax - niceMin) / spacing; // If very close to our rounded value, use it. if (helpers.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { numSpaces = Math.round(numSpaces); } else { numSpaces = Math.ceil(numSpaces); } var precision = 1; if (spacing < 1) { precision = Math.pow(10, spacing.toString().length - 2); niceMin = Math.round(niceMin * precision) / precision; niceMax = Math.round(niceMax * precision) / precision; } ticks.push(generationOptions.min !== undefined ? generationOptions.min : niceMin); for (var j = 1; j < numSpaces; ++j) { ticks.push(Math.round((niceMin + j * spacing) * precision) / precision); } ticks.push(generationOptions.max !== undefined ? generationOptions.max : niceMax); return ticks; } module.exports = function(Chart) { var noop = helpers.noop; Chart.LinearScaleBase = Chart.Scale.extend({ getRightValue: function(value) { if (typeof value === 'string') { return +value; } return Chart.Scale.prototype.getRightValue.call(this, value); }, handleTickRangeOptions: function() { var me = this; var opts = me.options; var tickOpts = opts.ticks; // If we are forcing it to begin at 0, but 0 will already be rendered on the chart, // do nothing since that would make the chart weird. If the user really wants a weird chart // axis, they can manually override it if (tickOpts.beginAtZero) { var minSign = helpers.sign(me.min); var maxSign = helpers.sign(me.max); if (minSign < 0 && maxSign < 0) { // move the top up to 0 me.max = 0; } else if (minSign > 0 && maxSign > 0) { // move the bottom down to 0 me.min = 0; } } var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined; var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined; if (tickOpts.min !== undefined) { me.min = tickOpts.min; } else if (tickOpts.suggestedMin !== undefined) { if (me.min === null) { me.min = tickOpts.suggestedMin; } else { me.min = Math.min(me.min, tickOpts.suggestedMin); } } if (tickOpts.max !== undefined) { me.max = tickOpts.max; } else if (tickOpts.suggestedMax !== undefined) { if (me.max === null) { me.max = tickOpts.suggestedMax; } else { me.max = Math.max(me.max, tickOpts.suggestedMax); } } if (setMin !== setMax) { // We set the min or the max but not both. // So ensure that our range is good // Inverted or 0 length range can happen when // ticks.min is set, and no datasets are visible if (me.min >= me.max) { if (setMin) { me.max = me.min + 1; } else { me.min = me.max - 1; } } } if (me.min === me.max) { me.max++; if (!tickOpts.beginAtZero) { me.min--; } } }, getTickLimit: noop, handleDirectionalChanges: noop, buildTicks: function() { var me = this; var opts = me.options; var tickOpts = opts.ticks; // Figure out what the max number of ticks we can support it is based on the size of // the axis area. For now, we say that the minimum tick spacing in pixels must be 50 // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on // the graph. Make sure we always have at least 2 ticks var maxTicks = me.getTickLimit(); maxTicks = Math.max(2, maxTicks); var numericGeneratorOptions = { maxTicks: maxTicks, min: tickOpts.min, max: tickOpts.max, stepSize: helpers.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize) }; var ticks = me.ticks = generateTicks(numericGeneratorOptions, me); me.handleDirectionalChanges(); // At this point, we need to update our max and min given the tick values since we have expanded the // range of the scale me.max = helpers.max(ticks); me.min = helpers.min(ticks); if (tickOpts.reverse) { ticks.reverse(); me.start = me.max; me.end = me.min; } else { me.start = me.min; me.end = me.max; } }, convertTicksToLabels: function() { var me = this; me.ticksAsNumbers = me.ticks.slice(); me.zeroLineIndex = me.ticks.indexOf(0); Chart.Scale.prototype.convertTicksToLabels.call(me); } }); };
| ver. 1.4 |
Github
|
.
| PHP 8.2.9 | Generation time: 0.02 |
proxy
|
phpinfo
|
Settings