firebase-rules-parser/lib/intepreter/system/numbers.js

Parser for Firebase rule files

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Convert string and float values into integer.
 */
const int = (context, closure, self) => {
    const intWannabe = closure.getValue('value');
    if (intWannabe === undefined) {
        throw new Error(`int() -method did not have an argument.`);
    }
    switch (typeof intWannabe) {
        case 'string':
            const value = parseInt(intWannabe, 0);
            if (value === undefined || isNaN(value)) {
                throw new Error(`Can not conver ${intWannabe} to an integer value.`);
            }
            return value;
        case 'number':
            return Math.floor(intWannabe);
        default:
            throw new Error(`Can not convert type of: ${typeof intWannabe} to an integer.`);
    }
};
/**
 * Conver string and int values into float.
 */
const float = (context, closure, self) => {
    const floatWannabe = closure.getValue('value');
    if (floatWannabe === undefined) {
        throw new Error(`float() -method did not have an argument.`);
    }
    switch (typeof floatWannabe) {
        case 'string':
            const value = parseFloat(floatWannabe);
            if (value === undefined || isNaN(value)) {
                throw new Error(`Can not conver ${floatWannabe} to an float value.`);
            }
            return value;
        case 'number':
            return floatWannabe;
        default:
            throw new Error(`Can not convert type of: ${typeof floatWannabe} to an float.`);
    }
};
/**
 * Conver string values to boolean
 */
const bool = (context, closure, self) => {
    const booleanWannabe = closure.getValue('value');
    if (booleanWannabe === undefined) {
        throw new Error(`bool() -method did not have an argument.`);
    }
    if (typeof booleanWannabe === 'string') {
        return JSON.parse(booleanWannabe);
    }
    throw new Error(`Can not convert type of: ${typeof booleanWannabe} to a boolean.`);
};
function registerNumberFunctions(closure) {
    const numberFunctions = {
        int: {
            callback: int,
            argNames: ['value'],
        },
        float: {
            callback: float,
            argNames: ['value'],
        },
        bool: {
            callback: bool,
            argNames: ['value'],
        },
    };
    closure.self = Object.assign({}, closure.self, numberFunctions);
}
exports.default = registerNumberFunctions;
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