octo-deno/lib/utils/common.js

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const jsesc = require('jsesc')
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const utils = require('../utils')
class common extends utils {
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/**
* Return stringified object
* @param obj
* @returns {string}
*/
static objToString (obj) {
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try {
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return `${obj}`
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} catch (e) {
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return `[${e}]`
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}
}
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/**
* Return enumerable properties recursively
* @param obj
* @returns {Array}
*/
static getAllProperties (obj) {
let list = []
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while (obj) {
list = list.concat(Object.getOwnPropertyNames(obj))
obj = Object.getPrototypeOf(obj)
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}
return list
}
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/**
* Return all properties (non-recursive)
* @param obj
* @returns {Array}
*/
static getKeysFromHash (obj) {
let list = []
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for (let p in obj) {
list.push(p)
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}
return list
}
/**
* Escape and quote a string
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* @param s - String to be quoted
* @param {boolean} html - Identifies whether the string must be HTML safe
* @returns {*}
*/
static quote (s, html = false) {
const options = {
minimal: true,
isScriptContext: html
}
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if (typeof s === 'string') {
return `'${jsesc(s, options)}'`
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} else {
return jsesc(s, options)
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}
}
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/**
* Unicode safe b64 encoding
* https://developer.mozilla.org/en-US/docs/Web/API/WindowBase64/Base64_encoding_and_decoding#The_Unicode_Problem
* @param {string} str
* @returns {*}
*/
static b64encode (str) {
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if (process.browser) {
return btoa(encodeURIComponent(str).replace(/%([0-9A-F]{2})/g,
function toSolidBytes (match, p1) {
// noinspection JSCheckFunctionSignatures
return String.fromCharCode('0x' + p1)
})
)
} else {
return Buffer.from(str).toString('base64')
}
}
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/**
* Unicode safe b64 decoding
* https://developer.mozilla.org/en-US/docs/Web/API/WindowBase64/Base64_encoding_and_decoding#The_Unicode_Problem
* @param {string} str
* @returns {*}
*/
static b64decode (str) {
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if (process.browser) {
return decodeURIComponent(atob(str).split('').map(function (c) {
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return `%${('00' + c.charCodeAt(0).toString(16)).slice(-2)}`
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}).join(''))
} else {
return Buffer.from(str, 'base64').toString('ascii')
}
}
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/**
* Remove duplicate items from a list
* @param {Array} list
* @returns {Array}
*/
static uniqueList (list) {
let tmp = {}
let r = []
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for (let i = 0; i < list.length; i++) {
tmp[list[i]] = list[i]
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}
for (let i in tmp) {
r.push(tmp[i])
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}
return r
}
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/**
* Merge two objects recursively
* @param {Object} obj1
* @param {Object} obj2
* @returns {*}
*/
static mergeHash (obj1, obj2) {
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for (let p in obj2) {
try {
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if (obj2[p].constructor === Object) {
obj1[p] = utils.common.mergeHash(obj1[p], obj2[p])
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} else {
obj1[p] = obj2[p]
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}
} catch (e) {
obj1[p] = obj2[p]
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}
}
return obj1
}
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/**
* Template string beautifier
* @param {Object} obj
* @returns {string}
*/
static mockup (obj) {
return obj.split('\n').map((ln) => ln.trim()).join('')
}
}
module.exports = common