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ckanext/charts/assets/js/vendor/chartjs-adapter-moment.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| /* | ||
| Purpose: | ||
| To handle and display date and time data in Chart.js scatter and bubble charts with type: 'time' on the x-axis. | ||
| Why We Use It: | ||
| 1. Date Parsing and Formatting: | ||
| - Enables robust parsing and formatting of date strings using the moment library. | ||
| 2. Chart.js Compatibility: | ||
| - Integrates with Chart.js for time-based data handling. | ||
| - Necessary for using type: 'time' in chart configurations. | ||
| 3. Advanced Date Manipulation: | ||
| - Provides functions for date manipulation like adding/subtracting time and calculating date differences. | ||
| Example Usage: | ||
| To use type: 'time' for the x-axis in scatter and bubble charts: | ||
| const config = { | ||
| type: 'scatter', | ||
| data: {...}, | ||
| options: { | ||
| scales: { | ||
| x: { | ||
| type: 'time', | ||
| time: { | ||
| unit: 'day' | ||
| } | ||
| } | ||
| } | ||
| } | ||
| }; | ||
| The moment adapter ensures accurate processing and display of date and time data in Chart.js. | ||
| */ | ||
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| /*! | ||
| * chartjs-adapter-moment v1.0.0 | ||
| * https://www.chartjs.org | ||
| * (c) 2021 chartjs-adapter-moment Contributors | ||
| * Released under the MIT license | ||
| */ | ||
| (function (global, factory) { | ||
| typeof exports === 'object' && typeof module !== 'undefined' ? factory(require('moment'), require('chart.js')) : | ||
| typeof define === 'function' && define.amd ? define(['moment', 'chart.js'], factory) : | ||
| (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.moment, global.Chart)); | ||
| }(this, (function (moment, chart_js) { 'use strict'; | ||
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| function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; } | ||
|
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| var moment__default = /*#__PURE__*/_interopDefaultLegacy(moment); | ||
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| const FORMATS = { | ||
| datetime: 'MMM D, YYYY, h:mm:ss a', | ||
| millisecond: 'h:mm:ss.SSS a', | ||
| second: 'h:mm:ss a', | ||
| minute: 'h:mm a', | ||
| hour: 'hA', | ||
| day: 'MMM D', | ||
| week: 'll', | ||
| month: 'MMM YYYY', | ||
| quarter: '[Q]Q - YYYY', | ||
| year: 'YYYY' | ||
| }; | ||
|
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| chart_js._adapters._date.override(typeof moment__default['default'] === 'function' ? { | ||
| _id: 'moment', // DEBUG ONLY | ||
|
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| formats: function() { | ||
| return FORMATS; | ||
| }, | ||
|
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| parse: function(value, format) { | ||
| if (typeof value === 'string' && typeof format === 'string') { | ||
| value = moment__default['default'](value, format); | ||
| } else if (!(value instanceof moment__default['default'])) { | ||
| value = moment__default['default'](value); | ||
| } | ||
| return value.isValid() ? value.valueOf() : null; | ||
| }, | ||
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| format: function(time, format) { | ||
| return moment__default['default'](time).format(format); | ||
| }, | ||
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| add: function(time, amount, unit) { | ||
| return moment__default['default'](time).add(amount, unit).valueOf(); | ||
| }, | ||
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| diff: function(max, min, unit) { | ||
| return moment__default['default'](max).diff(moment__default['default'](min), unit); | ||
| }, | ||
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| startOf: function(time, unit, weekday) { | ||
| time = moment__default['default'](time); | ||
| if (unit === 'isoWeek') { | ||
| weekday = Math.trunc(Math.min(Math.max(0, weekday), 6)); | ||
| return time.isoWeekday(weekday).startOf('day').valueOf(); | ||
| } | ||
| return time.startOf(unit).valueOf(); | ||
| }, | ||
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| endOf: function(time, unit) { | ||
| return moment__default['default'](time).endOf(unit).valueOf(); | ||
| } | ||
| } : {}); | ||
|
|
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| }))); |
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