dgeni-packages/typescript/services/TsParser/getDeclarationTypeText.js

A collection of dgeni packages for generating documentation from source code

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getDeclarationTypeText = void 0;
const ts = require("typescript");
const getTypeText_1 = require("./getTypeText");
const nodeToString_1 = require("./nodeToString");
function getDeclarationTypeText(declaration) {
    // if the declaration has an explicit type then use that
    const type = getType(declaration);
    if (type)
        return (0, getTypeText_1.getTypeText)(type);
    // if the declaration is a type parameter then just use its textual value
    if (ts.isTypeParameterDeclaration(declaration)) {
        return (0, nodeToString_1.nodeToString)(declaration);
    }
    // if the declaration is being initialized then use the initialization type
    const initializer = getInitializer(declaration);
    if (initializer) {
        if (ts.isNewExpression(initializer)) {
            return (0, nodeToString_1.nodeToString)(initializer.expression) + getTypeArgumentText(initializer);
        }
        else {
            return (0, nodeToString_1.nodeToString)(initializer);
        }
    }
    return '';
}
exports.getDeclarationTypeText = getDeclarationTypeText;
function getType(declaration) {
    return declaration.type;
}
function getInitializer(declaration) {
    return declaration.initializer;
}
function getTypeArgumentText(initializer) {
    if (!initializer.typeArguments) {
        return '';
    }
    const typeTexts = initializer.typeArguments.map(t => (0, nodeToString_1.nodeToString)(t));
    return `<${typeTexts.join(', ')}>`;
}
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