@sanity/codegen/dist/safeParseQuery.js

Codegen toolkit for Sanity.io

import { parse } from 'groq-js';
/**
 * safeParseQuery parses a GROQ query string, but first attempts to extract any parameters used in slices. This method is _only_
 * intended for use in type generation where we don't actually execute the parsed AST on a dataset, and should not be used elsewhere.
 * @internal
 */ export function safeParseQuery(query) {
    const params = {};
    for (const param of extractSliceParams(query)){
        params[param] = 0; // we don't care about the value, just the type
    }
    return parse(query, {
        params
    });
}
/**
 * Finds occurences of `[($start|{number})..($end|{number})]` in a query string and returns the start and end values, and return
 * the names of the start and end variables.
 * @internal
 */ export function* extractSliceParams(query) {
    const sliceRegex = /\[(\$(\w+)|\d)\.\.\.?(\$(\w+)|\d)\]/g;
    const matches = query.matchAll(sliceRegex);
    if (!matches) {
        return;
    }
    for (const match of matches){
        const start = match[1] === `$${match[2]}` ? match[2] : null;
        if (start !== null) {
            yield start;
        }
        const end = match[3] === `$${match[4]}` ? match[4] : null;
        if (end !== null) {
            yield end;
        }
    }
}

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