@gmod/bed/esm/util.js

A BED file format parser with autoSql support

/*
 * adds some type annotations to the autoSql schema for numeric fields ['uint',
 * 'int', 'float', 'long'] "isNumeric" is added for array types "isArray" is
 * added for numeric array types "isArray" and "arrayIsNumeric" is set
 *
 * @param autoSql - an autoSql schema from the peg parser
 * @return autoSql with type annotations added
 */
export function detectTypes(autoSql) {
    const numericTypes = new Set(['uint', 'int', 'float', 'long']);
    return {
        ...autoSql,
        fields: autoSql.fields
            .map(autoField => ({
            ...autoField,
            isArray: autoField.size && autoField.type !== 'char',
            arrayIsNumeric: autoField.size && numericTypes.has(autoField.type),
            isNumeric: !autoField.size && numericTypes.has(autoField.type),
        }))
            // this is needed because the autoSql doesn't properly parse comments in the autoSql
            .filter(f => !!f.name),
    };
}
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