slate/common/strings.js
2020-08-26 21:24:49 -07:00

147 lines
3.8 KiB
JavaScript

import * as Constants from "~/common/constants";
const MINUTE = 60;
const HOUR = MINUTE * 60;
const DAY = HOUR * 24;
const WEEK = DAY * 7;
const MONTH = (DAY * 365) / 12;
const YEAR = DAY * 365;
export const copyText = (str) => {
const el = document.createElement("textarea");
el.value = str;
el.setAttribute("readonly", "");
el.style.position = "absolute";
el.style.left = "-9999px";
el.style.visibility = "hidden";
el.style.opacity = "0";
document.body.appendChild(el);
el.select();
document.execCommand("copy");
document.body.removeChild(el);
return true;
};
export const getKey = (text) => {
if (isEmpty(text)) {
return null;
}
return text.replace("Basic ", "");
};
export const getCIDGatewayURL = (cid) => {
return `https://${cid}.${Constants.gateways.ipfs}`;
};
export const createSlug = (text, base = "untitled") => {
if (isEmpty(text)) {
return base;
}
const a = "æøåàáäâèéëêìíïîòóöôùúüûñçßÿœæŕśńṕẃǵǹḿǘẍźḧ·/_,:;";
const b = "aoaaaaaeeeeiiiioooouuuuncsyoarsnpwgnmuxzh------";
const p = new RegExp(a.split("").join("|"), "g");
return text
.toString()
.toLowerCase()
.replace(/\s+/g, "-") // Replace spaces with -
.replace(p, (c) => b.charAt(a.indexOf(c))) // Replace special chars
.replace(/&/g, "-and-") // Replace & with 'and'
.replace(/[^\w\-]+/g, "") // Remove all non-word chars
.replace(/\-\-+/g, "-") // Replace multiple - with single -
.replace(/^-+/, "") // Trim - from start of text
.replace(/-+$/, ""); // Trim - from end of text
};
export const hexToRGBA = (hex, alpha = 1) => {
hex = hex.replace("#", "");
var r = parseInt(
hex.length == 3 ? hex.slice(0, 1).repeat(2) : hex.slice(0, 2),
16
);
var g = parseInt(
hex.length == 3 ? hex.slice(1, 2).repeat(2) : hex.slice(2, 4),
16
);
var b = parseInt(
hex.length == 3 ? hex.slice(2, 3).repeat(2) : hex.slice(4, 6),
16
);
if (alpha) {
return "rgba(" + r + ", " + g + ", " + b + ", " + alpha + ")";
} else {
return "rgb(" + r + ", " + g + ", " + b + ")";
}
};
export const bytesToSize = (bytes, decimals = 2) => {
if (bytes === 0) return "0 Bytes";
const k = 1024;
const dm = decimals < 0 ? 0 : decimals;
const sizes = ["Bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return `${(bytes / Math.pow(k, i)).toFixed(dm)} ${sizes[i]}`;
};
export const getRemainingTime = (seconds) => {
seconds = seconds > 0 ? seconds : 1;
let [value, unit] =
seconds < MINUTE
? [Math.round(seconds), "second"]
: seconds < HOUR
? [Math.round(seconds / MINUTE), "minute"]
: seconds < DAY
? [Math.round(seconds / HOUR), "hour"]
: seconds < WEEK
? [Math.round(seconds / DAY), "day"]
: seconds < MONTH
? [Math.round(seconds / WEEK), "week"]
: seconds < YEAR
? [Math.round(seconds / MONTH), "month"]
: [Math.round(seconds / YEAR), "year"];
unit = pluralize(unit, value);
return `${value} ${unit} remaining`;
};
export const formatAsFilecoin = (number) => {
return `${number} FIL`;
};
export const isEmpty = (string) => {
return !string || !string.toString().trim();
};
export const pluralize = (text, count) => {
return count > 1 || count === 0 ? `${text}s` : text;
};
export const elide = (string, length = 140, emptyState = "...") => {
if (isEmpty(string)) {
return emptyState;
}
if (string.length < length) {
return string.trim();
}
return `${string.substring(0, length)}...`;
};
export const toDate = (data) => {
const date = new Date(data);
return `${date.getMonth() + 1}-${date.getDate()}-${date.getFullYear()}`;
};
export const formatNumber = (x) => {
return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
};