code-server/src/common/util.ts
2020-02-04 14:31:44 -06:00

49 lines
1.4 KiB
TypeScript

import { logger } from "@coder/logger"
export interface Options {
logLevel?: number
}
/**
* Split a string up to the delimiter. If the delimiter doesn't exist the first
* item will have all the text and the second item will be an empty string.
*/
export const split = (str: string, delimiter: string): [string, string] => {
const index = str.indexOf(delimiter)
return index !== -1 ? [str.substring(0, index).trim(), str.substring(index + 1)] : [str, ""]
}
export const plural = (count: number): string => (count === 1 ? "" : "s")
export const generateUuid = (length = 24): string => {
const possible = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
return Array(length)
.fill(1)
.map(() => possible[Math.floor(Math.random() * possible.length)])
.join("")
}
/**
* Get options embedded in the HTML from the server.
*/
export const getOptions = <T extends Options>(): T => {
const el = document.getElementById("coder-options")
try {
if (!el) {
throw new Error("no options element")
}
const value = el.getAttribute("data-settings")
if (!value) {
throw new Error("no options value")
}
const options = JSON.parse(value)
if (typeof options.logLevel !== "undefined") {
logger.level = options.logLevel
}
return options
} catch (error) {
logger.warn(error.message)
return {} as T
}
}