mirror of
https://github.com/chartjs/Chart.js.git
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ed2b96eeaf
* Initial work * Update doc commands * Updated sidebar config * Move docs * Update theme version and enable * Convert to chart.js sample * Update scripts to point to local build * Chart.js from local build * Simplify getting-started example * Axis docs updated except for imported content * Common ticks import works * Chart type docs ported to editor plugin * Last pages to use editor * Fix small errors * Frontmatter title to heading * Remove duplicate example * Update sidebar * Add paths * Remove paths * Add getting-started back * Update menus and add copyright to license section of the docs * Add GA plugin * Style sub-groups * Remove unneeded license page since it is covered on the main page * Remove docusaurus readme page * Remove docusaurus files * Fix issues in docs * Build and deploy scripts for docs work * Conditional base URL for nice local testing * Use eslint-plugin-markdown * Remove hard coded lines * Remove mentions of docusaurus Co-authored-by: Jukka Kurkela <jukka.kurkela@gmail.com>
126 lines
2.7 KiB
JavaScript
126 lines
2.7 KiB
JavaScript
import {valueOrDefault} from '../../dist/helpers.esm';
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// Adapted from http://indiegamr.com/generate-repeatable-random-numbers-in-js/
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var _seed = Date.now();
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export function srand(seed) {
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_seed = seed;
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}
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export function rand(min, max) {
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min = valueOrDefault(min, 0);
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max = valueOrDefault(max, 0);
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_seed = (_seed * 9301 + 49297) % 233280;
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return min + (_seed / 233280) * (max - min);
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}
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export function numbers(config) {
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var cfg = config || {};
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var min = valueOrDefault(cfg.min, 0);
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var max = valueOrDefault(cfg.max, 100);
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var from = valueOrDefault(cfg.from, []);
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var count = valueOrDefault(cfg.count, 8);
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var decimals = valueOrDefault(cfg.decimals, 8);
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var continuity = valueOrDefault(cfg.continuity, 1);
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var dfactor = Math.pow(10, decimals) || 0;
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var data = [];
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var i, value;
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for (i = 0; i < count; ++i) {
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value = (from[i] || 0) + this.rand(min, max);
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if (this.rand() <= continuity) {
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data.push(Math.round(dfactor * value) / dfactor);
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} else {
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data.push(null);
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}
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}
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return data;
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}
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export function points(config) {
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const xs = this.numbers(config);
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const ys = this.numbers(config);
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return xs.map((x, i) => ({x, y: ys[i]}));
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}
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export function labels(config) {
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var cfg = config || {};
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var min = cfg.min || 0;
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var max = cfg.max || 100;
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var count = cfg.count || 8;
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var step = (max - min) / count;
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var decimals = cfg.decimals || 8;
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var dfactor = Math.pow(10, decimals) || 0;
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var prefix = cfg.prefix || '';
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var values = [];
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var i;
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for (i = min; i < max; i += step) {
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values.push(prefix + Math.round(dfactor * i) / dfactor);
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}
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return values;
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}
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const MONTHS = [
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'January',
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'February',
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'March',
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'April',
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'May',
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'June',
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'July',
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'August',
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'September',
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'October',
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'November',
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'December'
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];
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export function months(config) {
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var cfg = config || {};
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var count = cfg.count || 12;
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var section = cfg.section;
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var values = [];
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var i, value;
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for (i = 0; i < count; ++i) {
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value = MONTHS[Math.ceil(i) % 12];
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values.push(value.substring(0, section));
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}
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return values;
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}
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const COLORS = [
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'#4dc9f6',
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'#f67019',
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'#f53794',
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'#537bc4',
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'#acc236',
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'#166a8f',
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'#00a950',
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'#58595b',
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'#8549ba'
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];
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export function color(index) {
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return COLORS[index % COLORS.length];
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}
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export function transparentize(color, opacity) {
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var alpha = opacity === undefined ? 0.5 : 1 - opacity;
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return Color(color).alpha(alpha).rgbString();
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}
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export const chartColors = {
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red: 'rgb(255, 99, 132)',
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orange: 'rgb(255, 159, 64)',
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yellow: 'rgb(255, 205, 86)',
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green: 'rgb(75, 192, 192)',
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blue: 'rgb(54, 162, 235)',
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purple: 'rgb(153, 102, 255)',
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grey: 'rgb(201, 203, 207)'
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};
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