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fernandocodefernandocode
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v.0.0.3.alpha
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+88
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5 files changed

+88
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lines changed

‎expression-utils.js‎

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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var ExpressionUtils = (function () {
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function ExpressionUtils(_defaultColumnSeparator) {
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if (_defaultColumnSeparator === void 0) { _defaultColumnSeparator = "_"; }
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this._defaultColumnSeparator = _defaultColumnSeparator;
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}
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ExpressionUtils.prototype.getValueByExpression = function (instance, expression) {
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return expression(instance);
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};
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ExpressionUtils.prototype.getValueByProperties = function (instance, properties) {
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var _this = this;
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var result = instance;
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properties.forEach(function (property) {
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result = _this.getValue(result, property);
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});
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return result;
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};
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ExpressionUtils.prototype.getValue = function (instance, property) {
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if (instance) {
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return instance[property];
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}
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return void 0;
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};
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ExpressionUtils.prototype.getColumnByExpression = function (expression) {
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return this.getColumnByProperties(this.getPropertiesByExpression(expression));
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};
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ExpressionUtils.prototype.getColumnByProperties = function (properties) {
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return properties.join(this._defaultColumnSeparator);
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};
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ExpressionUtils.prototype.getPropertiesByExpression = function (expression) {
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var strAfterReturn = expression.toString().split("return")[1].trim();
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if (!strAfterReturn) {
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strAfterReturn = expression.toString().split("{")[1].trim();
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}
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var strBeforeSemicon = strAfterReturn.split(" ")[0].split(";")[0];
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return this.getPropertiesByExpressionString(strBeforeSemicon);
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};
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ExpressionUtils.prototype.getPropertiesByExpressionString = function (expression) {
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var propertiesReferences = expression.split(".");
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if (propertiesReferences.length)
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propertiesReferences.shift(); // remove alias
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return propertiesReferences;
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};
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ExpressionUtils.prototype.getColumnByLambdaExpression = function (expression) {
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var propertiesMetadada = this.getPropertiesByLambdaExpression(expression);
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return {
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columnLeft: this.getColumnByProperties(propertiesMetadada.propertiesLeft),
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operator: propertiesMetadada.operator,
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columnRight: this.getColumnByProperties(propertiesMetadada.propertiesRight)
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};
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};
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ExpressionUtils.prototype.getPropertiesByLambdaExpression = function (expression) {
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var expressionMetadada = this.getExpressionByLambdaExpression(expression);
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return {
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propertiesLeft: this.getPropertiesByExpressionString(expressionMetadada.expressionLeft),
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operator: expressionMetadada.operator,
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propertiesRight: this.getPropertiesByExpressionString(expressionMetadada.expressionRight)
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};
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};
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ExpressionUtils.prototype.getExpressionByLambdaExpression = function (expression) {
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var strAfterReturn = expression.toString().split("return")[1].trim();
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if (!strAfterReturn) {
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strAfterReturn = expression.toString().split("{")[1].trim();
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}
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var strExpression = strAfterReturn.split(";")[0].split(" ");
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if (strExpression.length != 3) {
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throw "Lambda expression '" + expression.toString() + "' not supported! Use simple expression with '{expressionLeft} {operador} {expressionRight}'";
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}
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return {
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expressionLeft: strExpression[0],
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operator: strExpression[1],
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expressionRight: strExpression[2]
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};
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};
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return ExpressionUtils;
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}());
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exports.ExpressionUtils = ExpressionUtils;

‎index.js‎

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@@ -1,78 +1,6 @@
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"use strict";
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function __export(m) {
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for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
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}
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Object.defineProperty(exports, "__esModule", { value: true });
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var ExpressionUtils = (function () {
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function ExpressionUtils(_defaultColumnSeparator) {
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if (_defaultColumnSeparator === void 0) { _defaultColumnSeparator = "_"; }
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this._defaultColumnSeparator = _defaultColumnSeparator;
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}
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ExpressionUtils.prototype.getValueByExpression = function (instance, expression) {
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return expression(instance);
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};
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ExpressionUtils.prototype.getValueByProperties = function (instance, properties) {
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var _this = this;
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var result = instance;
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properties.forEach(function (property) {
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result = _this.getValue(result, property);
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});
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return result;
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};
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ExpressionUtils.prototype.getValue = function (instance, property) {
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if (instance) {
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return instance[property];
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}
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return void 0;
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};
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ExpressionUtils.prototype.getColumnByExpression = function (expression) {
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return this.getColumnByProperties(this.getPropertiesByExpression(expression));
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};
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ExpressionUtils.prototype.getColumnByProperties = function (properties) {
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return properties.join(this._defaultColumnSeparator);
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};
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ExpressionUtils.prototype.getPropertiesByExpression = function (expression) {
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var strAfterReturn = expression.toString().split("return")[1].trim();
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if (!strAfterReturn) {
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strAfterReturn = expression.toString().split("{")[1].trim();
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}
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var strBeforeSemicon = strAfterReturn.split(" ")[0].split(";")[0];
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return this.getPropertiesByExpressionString(strBeforeSemicon);
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};
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ExpressionUtils.prototype.getPropertiesByExpressionString = function (expression) {
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var propertiesReferences = expression.split(".");
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if (propertiesReferences.length)
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propertiesReferences.shift(); // remove alias
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return propertiesReferences;
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};
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ExpressionUtils.prototype.getColumnByLambdaExpression = function (expression) {
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var propertiesMetadada = this.getPropertiesByLambdaExpression(expression);
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return {
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columnLeft: this.getColumnByProperties(propertiesMetadada.propertiesLeft),
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operator: propertiesMetadada.operator,
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columnRight: this.getColumnByProperties(propertiesMetadada.propertiesRight)
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};
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};
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ExpressionUtils.prototype.getPropertiesByLambdaExpression = function (expression) {
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var expressionMetadada = this.getExpressionByLambdaExpression(expression);
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return {
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propertiesLeft: this.getPropertiesByExpressionString(expressionMetadada.expressionLeft),
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operator: expressionMetadada.operator,
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propertiesRight: this.getPropertiesByExpressionString(expressionMetadada.expressionRight)
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};
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};
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ExpressionUtils.prototype.getExpressionByLambdaExpression = function (expression) {
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var strAfterReturn = expression.toString().split("return")[1].trim();
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if (!strAfterReturn) {
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strAfterReturn = expression.toString().split("{")[1].trim();
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}
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var strExpression = strAfterReturn.split(";")[0].split(" ");
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if (strExpression.length != 3) {
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throw "Lambda expression '" + expression.toString() + "' not supported! Use simple expression with '{expressionLeft} {operador} {expressionRight}'";
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}
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return {
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expressionLeft: strExpression[0],
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operator: strExpression[1],
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expressionRight: strExpression[2]
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};
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};
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return ExpressionUtils;
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}());
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exports.ExpressionUtils = ExpressionUtils;
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__export(require("./expression-utils"));

‎metadatas.js‎

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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });

‎package.json‎

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{
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"name": "lambda-expression",
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"version": "0.0.2",
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"version": "0.0.3",
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"description": "Utility to analyze function (js) and arrow functions (ts), and create metadata of expressions, the initial scope is that it seeks to solve simple expressions. And later advance to encompass complex expressions.",
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"main": "./dist/index.js",
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"types": "./dist/index.d.ts",
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"main": "index.js",
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"scripts": {
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"run": "ts-node ./src/index.ts",
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"prepublishOnly": "tsc -p ./ --outDir dist/",
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"test": "echo \"Error: no test specified\" && exit 1"
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},
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"keywords": [

‎types.js‎

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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });

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