ts-simple-ast/dist/manipulation/removal/removeChildren.js

TypeScript compiler wrapper for AST navigation and code generation.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const textSeek_1 = require("./../textSeek");
const tree_1 = require("./../tree");
function removeChildren(opts) {
    const { children, removePrecedingSpaces = false, removeFollowingSpaces = false } = opts;
    if (children.length === 0)
        return;
    const sourceFile = children[0].getSourceFile();
    const fullText = sourceFile.getFullText();
    const newText = getPrefix() + getSuffix();
    const tempSourceFile = sourceFile.global.compilerFactory.createTempSourceFileFromText(newText, sourceFile.getFilePath());
    tree_1.replaceTreeWithChildIndex({
        replacementSourceFile: tempSourceFile,
        parent: children[0].getParentSyntaxList() || children[0].getParentOrThrow(),
        childIndex: children[0].getChildIndex(),
        childCount: -1 * children.length
    });
    function getPrefix() {
        return fullText.substring(0, getRemovalPos());
    }
    function getSuffix() {
        return fullText.substring(getRemovalEnd());
    }
    function getRemovalPos() {
        const pos = children[0].getStart();
        return removePrecedingSpaces ? textSeek_1.getPreviousMatchingPos(fullText, pos, charNotSpaceOrTab) : pos;
    }
    function getRemovalEnd() {
        const end = children[children.length - 1].getEnd();
        return removeFollowingSpaces ? textSeek_1.getNextMatchingPos(fullText, end, charNotSpaceOrTab) : end;
    }
    function charNotSpaceOrTab(char) {
        return char !== " " && char !== "\t";
    }
}
exports.removeChildren = removeChildren;

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