source: trip-planner-front/node_modules/@angular/core/schematics/migrations/static-queries/angular/directive_inputs.js

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define("@angular/core/schematics/migrations/static-queries/angular/directive_inputs", ["require", "exports", "typescript", "@angular/core/schematics/utils/ng_decorators", "@angular/core/schematics/utils/typescript/property_name"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.getInputNamesOfClass = void 0;
    const ts = require("typescript");
    const ng_decorators_1 = require("@angular/core/schematics/utils/ng_decorators");
    const property_name_1 = require("@angular/core/schematics/utils/typescript/property_name");
    /** Analyzes the given class and resolves the name of all inputs which are declared. */
    function getInputNamesOfClass(node, typeChecker) {
        const resolvedInputSetters = [];
        // Determines the names of all inputs defined in the current class declaration by
        // checking whether a given property/getter/setter has the "@Input" decorator applied.
        node.members.forEach(m => {
            if (!m.decorators || !m.decorators.length ||
                !ts.isPropertyDeclaration(m) && !ts.isSetAccessor(m) && !ts.isGetAccessor(m)) {
                return;
            }
            const inputDecorator = ng_decorators_1.getAngularDecorators(typeChecker, m.decorators).find(d => d.name === 'Input');
            if (inputDecorator && property_name_1.hasPropertyNameText(m.name)) {
                resolvedInputSetters.push(m.name.text);
            }
        });
        // Besides looking for immediate setters in the current class declaration, developers
        // can also define inputs in the directive metadata using the "inputs" property. We
        // also need to determine these inputs which are declared in the directive metadata.
        const metadataInputs = getInputNamesFromMetadata(node, typeChecker);
        if (metadataInputs) {
            resolvedInputSetters.push(...metadataInputs);
        }
        return resolvedInputSetters;
    }
    exports.getInputNamesOfClass = getInputNamesOfClass;
    /**
     * Determines the names of all inputs declared in the directive/component metadata
     * of the given class.
     */
    function getInputNamesFromMetadata(node, typeChecker) {
        if (!node.decorators || !node.decorators.length) {
            return null;
        }
        const decorator = ng_decorators_1.getAngularDecorators(typeChecker, node.decorators)
            .find(d => d.name === 'Directive' || d.name === 'Component');
        // In case no directive/component decorator could be found for this class, just
        // return null as there is no metadata where an input could be declared.
        if (!decorator) {
            return null;
        }
        const decoratorCall = decorator.node.expression;
        // In case the decorator does define any metadata, there is no metadata
        // where inputs could be declared. This is an edge case because there
        // always needs to be an object literal, but in case there isn't we just
        // want to skip the invalid decorator and return null.
        if (decoratorCall.arguments.length !== 1 ||
            !ts.isObjectLiteralExpression(decoratorCall.arguments[0])) {
            return null;
        }
        const metadata = decoratorCall.arguments[0];
        const inputs = metadata.properties.filter(ts.isPropertyAssignment)
            .find(p => property_name_1.getPropertyNameText(p.name) === 'inputs');
        // In case there is no "inputs" property in the directive metadata,
        // just return "null" as no inputs can be declared for this class.
        if (!inputs || !ts.isArrayLiteralExpression(inputs.initializer)) {
            return null;
        }
        return inputs.initializer.elements.filter(ts.isStringLiteralLike)
            .map(element => element.text.split(':')[0].trim());
    }
});
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BhbHNvIGRlZmluZSBpbnB1dHMgaW4gdGhlIGRpcmVjdGl2ZSBtZXRhZGF0YSB1c2luZyB0aGUgXCJpbnB1dHNcIiBwcm9wZXJ0eS4gV2VcbiAgLy8gYWxzbyBuZWVkIHRvIGRldGVybWluZSB0aGVzZSBpbnB1dHMgd2hpY2ggYXJlIGRlY2xhcmVkIGluIHRoZSBkaXJlY3RpdmUgbWV0YWRhdGEuXG4gIGNvbnN0IG1ldGFkYXRhSW5wdXRzID0gZ2V0SW5wdXROYW1lc0Zyb21NZXRhZGF0YShub2RlLCB0eXBlQ2hlY2tlcik7XG5cbiAgaWYgKG1ldGFkYXRhSW5wdXRzKSB7XG4gICAgcmVzb2x2ZWRJbnB1dFNldHRlcnMucHVzaCguLi5tZXRhZGF0YUlucHV0cyk7XG4gIH1cblxuICByZXR1cm4gcmVzb2x2ZWRJbnB1dFNldHRlcnM7XG59XG5cbi8qKlxuICogRGV0ZXJtaW5lcyB0aGUgbmFtZXMgb2YgYWxsIGlucHV0cyBkZWNsYXJlZCBpbiB0aGUgZGlyZWN0aXZlL2NvbXBvbmVudCBtZXRhZGF0YVxuICogb2YgdGhlIGdpdmVuIGNsYXNzLlxuICovXG5mdW5jdGlvbiBnZXRJbnB1dE5hbWVzRnJvbU1ldGFkYXRhKFxuICAgIG5vZGU6IHRzLkNsYXNzRGVjbGFyYXRpb24sIHR5cGVDaGVja2VyOiB0cy5UeXBlQ2hlY2tlcik6IHN0cmluZ1tdfG51bGwge1xuICBpZiAoIW5vZGUuZGVjb3JhdG9ycyB8fCAhbm9kZS5kZWNvcmF0b3JzLmxlbmd0aCkge1xuICAgIHJldHVybiBudWxsO1xuICB9XG5cbiAgY29uc3QgZGVjb3JhdG9yID0gZ2V0QW5ndWxhckRlY29yYXRvcnModHlwZUNoZWNrZXIsIG5vZGUuZGVjb3JhdG9ycylcbiAgICAgICAgICAgICAgICAgICAgICAgIC5maW5kKGQgPT4gZC5uYW1lID09PSAnRGlyZWN0aXZlJyB8fCBkLm5hbWUgPT09ICdDb21wb25lbnQnKTtcblxuICAvLyBJbiBjYXNlIG5vIGRpcmVjdGl2ZS9jb21wb25lbnQgZGVjb3JhdG9yIGNvdWxkIGJlIGZvdW5kIGZvciB0aGlzIGNsYXNzLCBqdXN0XG4gIC8vIHJldHVybiBudWxsIGFzIHRoZXJlIGlzIG5vIG1ldGFkYXRhIHdoZXJlIGFuIGlucHV0IGNvdWxkIGJlIGRlY2xhcmVkLlxuICBpZiAoIWRlY29yYXRvcikge1xuICAgIHJldHVybiBudWxsO1xuICB9XG5cbiAgY29uc3QgZGVjb3JhdG9yQ2FsbCA9IGRlY29yYXRvci5ub2RlLmV4cHJlc3Npb247XG5cbiAgLy8gSW4gY2FzZSB0aGUgZGVjb3JhdG9yIGRvZXMgZGVmaW5lIGFueSBtZXRhZGF0YSwgdGhlcmUgaXMgbm8gbWV0YWRhdGFcbiAgLy8gd2hlcmUgaW5wdXRzIGNvdWxkIGJlIGRlY2xhcmVkLiBUaGlzIGlzIGFuIGVkZ2UgY2FzZSBiZWNhdXNlIHRoZXJlXG4gIC8vIGFsd2F5cyBuZWVkcyB0byBiZSBhbiBvYmplY3QgbGl0ZXJhbCwgYnV0IGluIGNhc2UgdGhlcmUgaXNuJ3Qgd2UganVzdFxuICAvLyB3YW50IHRvIHNraXAgdGhlIGludmFsaWQgZGVjb3JhdG9yIGFuZCByZXR1cm4gbnVsbC5cbiAgaWYgKGRlY29yYXRvckNhbGwuYXJndW1lbnRzLmxlbmd0aCAhPT0gMSB8fFxuICAgICAgIXRzLmlzT2JqZWN0TGl0ZXJhbEV4cHJlc3Npb24oZGVjb3JhdG9yQ2FsbC5hcmd1bWVudHNbMF0pKSB7XG4gICAgcmV0dXJuIG51bGw7XG4gIH1cblxuICBjb25zdCBtZXRhZGF0YSA9IGRlY29yYXRvckNhbGwuYXJndW1lbnRzWzBdIGFzIHRzLk9iamVjdExpdGVyYWxFeHByZXNzaW9uO1xuICBjb25zdCBpbnB1dHMgPSBtZXRhZGF0YS5wcm9wZXJ0aWVzLmZpbHRlcih0cy5pc1Byb3BlcnR5QXNzaWdubWVudClcbiAgICAgICAgICAgICAgICAgICAgIC5maW5kKHAgPT4gZ2V0UHJvcGVydHlOYW1lVGV4dChwLm5hbWUpID09PSAnaW5wdXRzJyk7XG5cbiAgLy8gSW4gY2FzZSB0aGVyZSBpcyBubyBcImlucHV0c1wiIHByb3BlcnR5IGluIHRoZSBkaXJlY3RpdmUgbWV0YWRhdGEsXG4gIC8vIGp1c3QgcmV0dXJuIFwibnVsbFwiIGFzIG5vIGlucHV0cyBjYW4gYmUgZGVjbGFyZWQgZm9yIHRoaXMgY2xhc3MuXG4gIGlmICghaW5wdXRzIHx8ICF0cy5pc0FycmF5TGl0ZXJhbEV4cHJlc3Npb24oaW5wdXRzLmluaXRpYWxpemVyKSkge1xuICAgIHJldHVybiBudWxsO1xuICB9XG5cbiAgcmV0dXJuIGlucHV0cy5pbml0aWFsaXplci5lbGVtZW50cy5maWx0ZXIodHMuaXNTdHJpbmdMaXRlcmFsTGlrZSlcbiAgICAgIC5tYXAoZWxlbWVudCA9PiBlbGVtZW50LnRleHQuc3BsaXQoJzonKVswXS50cmltKCkpO1xufVxuIl19