ts-simple-ast/dist/compiler/base/ImplementsClauseableNode.js

TypeScript compiler wrapper for AST navigation and code generation.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const ts = require("typescript");
const manipulation_1 = require("./../../manipulation");
const callBaseFill_1 = require("./../callBaseFill");
const errors = require("./../../errors");
function ImplementsClauseableNode(Base) {
    return class extends Base {
        getImplements(heritageClauses = this.getHeritageClauses()) {
            const implementsClause = heritageClauses.find(c => c.compilerNode.token === ts.SyntaxKind.ImplementsKeyword);
            return implementsClause == null ? [] : implementsClause.getTypes();
        }
        addImplements(text) {
            return this.insertImplements(this.getImplements().length, text);
        }
        insertImplements(index, texts) {
            const length = texts instanceof Array ? texts.length : 0;
            if (typeof texts === "string") {
                errors.throwIfNotStringOrWhitespace(texts, "texts");
                texts = [texts];
            }
            else if (texts.length === 0) {
                return [];
            }
            const heritageClauses = this.getHeritageClauses();
            const implementsTypes = this.getImplements(heritageClauses);
            index = manipulation_1.verifyAndGetIndex(index, implementsTypes.length);
            if (implementsTypes.length > 0) {
                manipulation_1.insertIntoCommaSeparatedNodes({ parent: this, currentNodes: implementsTypes, insertIndex: index, newTexts: texts });
                return manipulation_1.getNodeOrNodesToReturn(this.getImplements(), index, length);
            }
            const openBraceToken = this.getFirstChildByKindOrThrow(ts.SyntaxKind.OpenBraceToken);
            const openBraceStart = openBraceToken.getStart();
            const isLastSpace = /\s/.test(this.getSourceFile().getFullText()[openBraceStart - 1]);
            let insertText = `implements ${texts.join(", ")} `;
            if (!isLastSpace)
                insertText = " " + insertText;
            // assumes there can only be another extends heritage clause
            manipulation_1.insertIntoCreatableSyntaxList({
                parent: this,
                insertPos: openBraceStart,
                newText: insertText,
                syntaxList: heritageClauses.length === 0 ? undefined : heritageClauses[0].getParentSyntaxListOrThrow(),
                childIndex: 1,
                insertItemsCount: 1
            });
            return manipulation_1.getNodeOrNodesToReturn(this.getImplements(), index, length);
        }
        fill(structure) {
            callBaseFill_1.callBaseFill(Base.prototype, this, structure);
            if (structure.implements != null && structure.implements.length > 0)
                this.addImplements(structure.implements);
            return this;
        }
    };
}
exports.ImplementsClauseableNode = ImplementsClauseableNode;

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