anyid/lib/variable.js

A simple and flexible API to generate various kinds of string ID / code.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
    result["default"] = mod;
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const assert_1 = __importDefault(require("assert"));
const _ = __importStar(require("lodash"));
const core_1 = require("./core");
class VariableValue extends core_1.Value {
    constructor(owner, name) {
        super(owner);
        this.name = name;
    }
    value(arg) {
        assert_1.default(!_.isUndefined(arg), 'Variable requires to be given in id()');
        if (typeof arg === 'number' || arg instanceof Buffer) {
            assert_1.default(!this.name, 'Expect an object to be passed into id()');
            return this.returnValue(arg);
        }
        else {
            if (this.name) {
                assert_1.default(_.has(arg, this.name), `Missing property ${this.name} in object passed into id()`);
                const property = arg[this.name];
                if (typeof property === 'number' || property instanceof Buffer) {
                    return this.returnValue(property);
                }
                throw new Error(`Expect variable ${this.name} to be a number or a Buffer`);
            }
            throw new Error('Expect a number or a Buffer to be passed into id() instead of object');
        }
    }
}
class Variable {
    variable(name) {
        this.addValue(new VariableValue(this, name));
        return this;
    }
}
exports.Variable = Variable;
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