123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128
// TODO: allow '-' to trim up until newline. Use [^\S\n\r] instead of \s// TODO: only include trimLeft polyfill if not in ES6
import { trimLeft, trimRight } from './polyfills.ts'
/* TYPES */
import type { EtaConfig } from './config.ts'
interface EscapeMap {  '&': '&amp;'  '<': '&lt;'  '>': '&gt;'  '"': '&quot;'  "'": '&#39;'  [index: string]: string}
/* END TYPES */
export function hasOwnProp(obj: object, prop: string): boolean {  return Object.prototype.hasOwnProperty.call(obj, prop)}
export function copyProps<T>(toObj: T, fromObj: T): T {  for (const key in fromObj) {    if (hasOwnProp((fromObj as unknown) as object, key)) {      toObj[key] = fromObj[key]    }  }  return toObj}
/** * Takes a string within a template and trims it, based on the preceding tag's whitespace control and `config.autoTrim` */
function trimWS(  str: string,  config: EtaConfig,  wsLeft: string | false,  wsRight?: string | false): string {  let leftTrim  let rightTrim
  if (Array.isArray(config.autoTrim)) {    // kinda confusing    // but _}} will trim the left side of the following string    leftTrim = config.autoTrim[1]    rightTrim = config.autoTrim[0]  } else {    leftTrim = rightTrim = config.autoTrim  }
  if (wsLeft || wsLeft === false) {    leftTrim = wsLeft  }
  if (wsRight || wsRight === false) {    rightTrim = wsRight  }
  if (!rightTrim && !leftTrim) {    return str  }
  if (leftTrim === 'slurp' && rightTrim === 'slurp') {    return str.trim()  }
  if (leftTrim === '_' || leftTrim === 'slurp') {    // console.log('trimming left' + leftTrim)    // full slurp
    str = trimLeft(str)  } else if (leftTrim === '-' || leftTrim === 'nl') {    // nl trim    str = str.replace(/^(?:\r\n|\n|\r)/, '')  }
  if (rightTrim === '_' || rightTrim === 'slurp') {    // full slurp    str = trimRight(str)  } else if (rightTrim === '-' || rightTrim === 'nl') {    // nl trim    str = str.replace(/(?:\r\n|\n|\r)$/, '') // TODO: make sure this gets \r\n  }
  return str}
/** * A map of special HTML characters to their XML-escaped equivalents */
const escMap: EscapeMap = {  '&': '&amp;',  '<': '&lt;',  '>': '&gt;',  '"': '&quot;',  "'": '&#39;'}
function replaceChar(s: string): string {  return escMap[s]}
/** * XML-escapes an input value after converting it to a string * * @param str - Input value (usually a string) * @returns XML-escaped string */
function XMLEscape(str: any): string {  // eslint-disable-line @typescript-eslint/no-explicit-any  // To deal with XSS. Based on Escape implementations of Mustache.JS and Marko, then customized.  const newStr = String(str)  if (/[&<>"']/.test(newStr)) {    return newStr.replace(/[&<>"']/g, replaceChar)  } else {    return newStr  }}
export { trimWS, XMLEscape }