OpenXmlSdkTs - v1.0.7
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    Class Utility

    Static helper utilities for working with Open XML packages.

    import { Utility } from "openxmlsdkts";

    const relsUri = Utility.getRelsPartUri(mainPart); // "/word/_rels/document.xml.rels"
    Utility.isBase64("UEsDBBQAAAA..."); // true
    Utility.isBase64("<?xml ...");      // false
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    getRelsPartUri getRelsPart isBase64

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    • Computes the URI of the .rels file for a given part.

      Parameters

      Returns string

      The .rels URI string (e.g., "/word/_rels/document.xml.rels").

    • Heuristically determines whether a string is Base64-encoded.

      Parameters

      • str: unknown

        The value to test.

      Returns boolean

      true if the string appears to be Base64-encoded.

      Checks the first 500 characters for valid Base64 characters (A-Z, a-z, 0-9, +, /). Used by OpenXmlPackage.open to distinguish Base64 strings from Flat OPC XML.

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