miniml/lib/utilities.js

A minimal, embeddable semantic data modeling language for generating SQL queries from YAML model definitions. Inspired by LookML.

export function collapseWhitespace(text, { singleSpaced = false, singleLine = false, collapseSpaces = true, unindent = false } = {}) {
    if (typeof text === "string") {
        text = text
            .replace(/\r\n/g, "\n")
            .replace(/\n(?:[\t ]*\n)+/g, "\n\n")
            .replace(/^\s+|\s+$/g, '')
            .replace(/\n{3,}/g, "\n\n");
        if (singleSpaced)
            text = text.replace(/\n{2,}/g, "\n");
        if (singleLine)
            text = text.replace(/\n/g, " ");
        if (collapseSpaces)
            text = text.replace(/[ \t]{2,}/g, " ");
        if (unindent)
            text = text.replace(/^[ \t]+/gm, "");
        text = text.trim();
    }
    return text;
}
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