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string.ts

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export const stringMethods = new Set([

"toLowerCase",

"toUpperCase",

"trim",

"trimStart",

"trimEnd",

"split",

"slice",

"substring",

"includes",

"startsWith",

"endsWith",

"indexOf",

"lastIndexOf",

"replace",

"replaceAll",

"repeat",

"padStart",

"padEnd",

"charAt",

"charCodeAt",

"codePointAt",

"at",

"concat",

"toString",

"match",

"matchAll",

"search",

"localeCompare",

"normalize",

])

export const stringStatics = new Set(["fromCharCode", "fromCodePoint"])

export const invokeStringStatic = (name: string, args: Array<unknown>, node: AstNode): unknown => {

const codes = args.map((arg) => {

if (typeof arg !== "number") throw new InterpreterRuntimeError(`String.${name} expects number arguments.`, node)

return arg

})

switch (name) {

case "fromCharCode":

return String.fromCharCode(...codes)

case "fromCodePoint":

return String.fromCodePoint(...codes)

default:

throw new InterpreterRuntimeError(`String.${name} is not available.`, node)

}

}

import { type AstNode, InterpreterRuntimeError } from "../interpreter/model.js"