@nodesecure/js-x-ray/dist/utils/isSvg.js

JavaScript AST XRay analysis

// Import Third-party Dependencies
import isStringSvg from "is-svg";
// Import Internal Dependencies
import { toValue } from "../estree/index.js";
// CONSTANTS
const kSvgPathStartRegex = /^[mzlhvcsqta]\s*[-+.0-9][^mlhvzcsqta]+/i;
const kSvgPathEndRegex = /[\dz]$/i;
export function isSvg(strOrLiteral) {
    try {
        const value = toValue(strOrLiteral);
        const trimmed = value.trimStart();
        return (trimmed.startsWith("<") && isStringSvg(value)) || isSvgPath(value);
    }
    catch {
        return false;
    }
}
/**
 * @description detect if a given string is a svg path or not.
 */
export function isSvgPath(str) {
    if (typeof str !== "string") {
        return false;
    }
    const trimStr = str.trim();
    return trimStr.length > 4
        && kSvgPathStartRegex.test(trimStr)
        && kSvgPathEndRegex.test(trimStr);
}
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