workflow/node_modules/@antv/x6-common/es/string/hashcode.js

/* eslint-disable no-bitwise */
/**
 * Return a simple hash code from a string.
 * Source from: https://github.com/sindresorhus/fnv1a/blob/master/index.js#L25
 */
export function hashcode(str) {
    let hash = 2166136261;
    let isUnicoded = false;
    let string = str;
    for (let i = 0, ii = string.length; i < ii; i += 1) {
        let characterCode = string.charCodeAt(i);
        // Non-ASCII characters trigger the Unicode escape logic
        if (characterCode > 0x7f && !isUnicoded) {
            string = unescape(encodeURIComponent(string));
            characterCode = string.charCodeAt(i);
            isUnicoded = true;
        }
        hash ^= characterCode;
        hash += (hash << 1) + (hash << 4) + (hash << 7) + (hash << 8) + (hash << 24);
    }
    return hash >>> 0;
}
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