abi.js/dist/deno/parser.js

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export function parse_val(val) {
    if (typeof val !== 'string') {
        return val;
    }
    val = val.trim();
    const lc_val = val.toLowerCase();
    if (lc_val === 'null') {
        return null;
    }
    if (lc_val === 'undefined') {
        return undefined;
    }
    if (lc_val === 'true') {
        return true;
    }
    if (lc_val === 'false') {
        return false;
    }
    if (!Number.isNaN(Number(val))) {
        return Number(val);
    }
    if (/^('|")(.*?)\1$/gms.test(val)) {
        return parse_str(val);
    }
    if (/^\[(.*?)\]$/gms.test(val)) {
        return parse_arr(val);
    }
    if (/^\{(.*?)\}$/gms.test(val)) {
        return parse_obj(val);
    }
    return val;
}
export function parse_str(val) {
    val = val.trim();
    const res = /^('|")(.*?)\1$/gms.exec(val);
    if (res) {
        val = res[2];
    }
    return val;
}
export function parse_arr(val) {
    const res = /^\[(.*?)\]$/gms.exec(val);
    if (res) {
        val = res[1];
    }
    const arr = [];
    const items = val.split(',');
    for (const i in items) {
        arr[i] = parse_val(items[i]);
    }
    return arr;
}
export function parse_obj(val) {
    const res = /^\{(.*?)\}$/gms.exec(val);
    if (res) {
        val = res[1];
    }
    const obj = {};
    const items = val.split(',');
    for (const item of items) {
        const [key, val] = parse_prop(item);
        obj[key] = val;
    }
    return obj;
}
export function parse_params(val) {
    const res = /^\((.*?)\)$/gms.exec(val);
    if (res) {
        val = res[1];
    }
    const params = {};
    const items = val.split(',');
    for (const item of items) {
        let [name, val] = parse_param(item);
        if (val !== undefined) {
            val = parse_val(val);
        }
        params[name] = val;
    }
    return params;
}
export function parse_args(val) {
    const res = /^\((.*?)\)$/gms.exec(val);
    if (res) {
        val = res[1];
    }
    const args = {};
    const items = val.split(',');
    for (const item of items) {
        const [key, val] = parse_prop(item);
        args[key] = val;
    }
    return args;
}
export function parse_props(val) {
    const res = /^\{(.*?)\}$/gms.exec(val);
    if (res) {
        val = res[1];
    }
    return parse_args(val);
}
export function parse_prop(val) {
    if (/^([a-zA-Z0-9_\$]*)\s*\:\s*(.+)$/gms.test(val)) {
        return parse_arg(val);
    }
    return parse_param(val);
}
export function parse_arg(val) {
    val = val.trim();
    const res = /^([a-zA-Z0-9_\$]*)\s*\:\s*(.+)$/gms.exec(val);
    if (res) {
        const key = parse_val(res[1]);
        let value = parse_val(res[2]);
        if (value !== undefined) {
            value = parse_val(value);
        }
        if (typeof value === 'string') {
            const [_, param] = parse_param(value);
            return [key, param ?? value];
        }
        if (value === undefined) {
            return parse_param(key);
        }
        return [key, value];
    }
    return parse_param(val);
}
export function parse_param(val) {
    val = val.trim();
    const res = /^([a-zA-Z0-9_\$]+[a-zA-Z0-9_\$]*)\s*\=\s*(.+)$/gms.exec(val);
    if (res) {
        return [parse_str(res[1]), parse_val(res[2])];
    }
    return [parse_val(val)];
}