ts-simple-ast/dist/compiler/base/helpers/setBodyTextForNode.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 utils_1 = require("./../../../utils");
/**
 * @internal
 */
function setBodyTextForNode(body, textOrWriterFunction) {
    const childSyntaxList = body.getChildSyntaxListOrThrow();
    const childrenToRemove = childSyntaxList.getChildren();
    const childIndentationText = body.getChildIndentationText();
    const newLineKind = body.global.manipulationSettings.getNewLineKind();
    const newText = getNewText();
    const openBrace = body.getFirstChildByKindOrThrow(ts.SyntaxKind.FirstPunctuation);
    const closeBrace = body.getFirstChildByKindOrThrow(ts.SyntaxKind.CloseBraceToken);
    // ideally this wouldn't replace the existing syntax list
    manipulation_1.insertIntoParent({
        insertPos: openBrace.getEnd(),
        childIndex: childSyntaxList.getChildIndex(),
        insertItemsCount: 1,
        newText,
        parent: body,
        replacing: {
            textLength: closeBrace.getStart() - openBrace.getEnd(),
            nodes: [childSyntaxList]
        }
    });
    function getNewText() {
        let text = utils_1.getTextFromStringOrWriter(body.global.manipulationSettings, textOrWriterFunction) || "";
        if (text.length > 0)
            text = newLineKind + text.split(/\r?\n/).map(t => t.length > 0 ? childIndentationText + t : t).join(newLineKind);
        if (!text.endsWith(newLineKind))
            text += newLineKind;
        return text + body.getParentOrThrow().getIndentationText();
    }
}
exports.setBodyTextForNode = setBodyTextForNode;

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