spaCy/website/assets/js/util.js
ines 15cbc61a6e Adjust rendering of large numbers
1234 -> 1.2k
12345 -> 12.3k
123456 -> 123k
1234567 -> 1.2m
2017-11-02 16:13:18 +01:00

71 lines
2.4 KiB
JavaScript
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'use strict';
export const $ = document.querySelector.bind(document);
export const $$ = document.querySelectorAll.bind(document);
export class Templater {
/**
* Mini templating engine based on data attributes. Selects elements based
* on a data-tpl and data-tpl-key attribute and can set textContent
* and innterHtml.
* @param {string} templateId - Template section, e.g. value of data-tpl.
*/
constructor(templateId) {
this.templateId = templateId;
}
/**
* Get an element from the template and return it.
* @param {string} key - Name of the key within the current template.
*/
get(key) {
return $(`[data-tpl="${this.templateId}"][data-tpl-key="${key}"]`);
}
/**
* Fill the content of a template element with a value.
* @param {string} key - Name of the key within the current template.
* @param {string} value - Content to insert into template element.
* @param {boolean} html - Insert content as HTML. Defaults to false.
*/
fill(key, value, html = false) {
const el = this.get(key);
if (html) el.innerHTML = value || '';
else el.textContent = value || '';
return el;
}
}
/**
* Handle API response and assign status to returned JSON.
* @param {Response} res The response.
*/
export const handleResponse = res => {
if (res.ok) return res.json()
.then(json => Object.assign({}, json, { ok: res.ok }))
else return ({ ok: res.ok })
};
/**
* Convert a number to a string and add thousand separator.
* @param {number|string} num - The number to convert.
* @param {string} separator Thousand separator.
*/
export const convertNumber = (num = 0, separator = ',') =>
num.toString().replace(/\B(?=(\d{3})+(?!\d))/g, separator);
/**
* Abbreviate a number, e.g. 14249930 --> 14.25m.
* @param {number|string} num - The number to convert.
* @param {number} fixed - Number of decimals.
*/
export const abbrNumber = (num = 0, fixed = 1) => {
const suffixes = ['', 'k', 'm', 'b', 't'];
if (num === null || num === 0) return 0;
const b = num.toPrecision(2).split('e');
const k = (b.length === 1) ? 0 : Math.floor(Math.min(b[1].slice(1), 14) / 3);
const n = (k < 1) ? num : num / Math.pow(10, k * 3);
const c = (k >= 1 && n >= 100 ) ? Math.round(n) : n.toFixed(fixed);
return (c < 0 ? c : Math.abs(c)) + suffixes[k];
}