@deltares/fews-pi-requests/lib/esm/utils/filterToParams.js

Library for making requests to the FEWS PI webservice

function filterArgToStrings(key, value) {
    const result = [];
    if (value instanceof Array) {
        for (const item of value) {
            result.push(`${encodeURIComponent(key)}=${encodeURIComponent(item)}`);
        }
    }
    else {
        result.push(`${encodeURIComponent(key)}=${encodeURIComponent(value)}`);
    }
    return result;
}
export function filterToParams(filter) {
    const filterArgs = [];
    for (const [parameter, values] of Object.entries(filter)) {
        if (values === undefined)
            continue;
        if (parameter === 'attribute' || parameter === 'properties') {
            const prefixMap = {
                'attribute': 'attribute',
                'properties': 'property'
            };
            const prefix = prefixMap[parameter];
            for (const [key, value] of Object.entries(values)) {
                const strings = filterArgToStrings(`${prefix}(${key})`, value);
                filterArgs.push(...strings);
            }
        }
        else if (parameter === "qualifierIds" &&
            typeof values === "object" &&
            !Array.isArray(values)) {
            for (const [key, value] of Object.entries(values)) {
                const strings = filterArgToStrings(`${parameter}`, `${key}=` + value);
                filterArgs.push(...strings);
            }
        }
        else if (parameter === 'bbox') {
            const value = `${encodeURIComponent(values[0])},${encodeURIComponent(values[1])},${encodeURIComponent(values[2])},${encodeURIComponent(values[3])}`;
            const strings = filterArgToStrings(parameter, value);
            filterArgs.push(...strings);
        }
        else {
            const strings = filterArgToStrings(parameter, values);
            filterArgs.push(...strings);
        }
    }
    return filterArgs.length ? '?' + filterArgs.join('&') : '';
}
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