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Update vector details and number conversion

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ines 2017-11-01 01:47:31 +01:00
parent 5fd851a80b
commit 092333afd4
2 changed files with 17 additions and 4 deletions
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4
website/assets/js/models.js
View File

@ -1,6 +1,6 @@
'use strict';
import { Templater, handleResponse, convertNumber } from './util.js';
import { Templater, handleResponse, convertNumber, abbrNumber } from './util.js';
/**
* Chart.js defaults
@ -25,7 +25,7 @@ export const formats = {
license: (license, url) => url ? `<a href="${url}" target="_blank">${license}</a>` : license,
sources: sources => (sources instanceof Array) ? sources.join(', ') : sources,
pipeline: pipes => (pipes && pipes.length) ? pipes.map(p => `<code>${p}</code>`).join(', ') : '-',
vectors: vec => vec ? `${convertNumber(vec.entries)} (${vec.width} dimensions)` : 'n/a',
vectors: vec => vec ? `${abbrNumber(vec.keys)} keys, ${abbrNumber(vec.vectors)} unique vectors (${vec.width} dimensions)` : 'n/a',
version: version => `<code>v${version}</code>`
};

17
website/assets/js/util.js
View File

@ -46,11 +46,24 @@ export const handleResponse = res => {
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, 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 = 2) => {
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 c = (k < 1) ? num.toFixed(fixed) : (num / Math.pow(10, k * 3)).toFixed(fixed + 1);
return (c < 0 ? c : Math.abs(c)) + suffixes[k];
}