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

TypeScript compiler wrapper for AST navigation and code generation.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const utils_1 = require("./../../utils");
const tree_1 = require("./../tree");
const getNewReplacementSourceFile_1 = require("./../insertion/getNewReplacementSourceFile");
function unwrapNode(node) {
    const tempSourceFile = getNewReplacementSourceFile_1.getNewReplacementSourceFile({
        sourceFile: node.getSourceFile(),
        insertPos: node.getPos(),
        newText: getReplacementText(node),
        replacingLength: node.getFullWidth()
    });
    tree_1.replaceTreeUnwrappingNode({
        parent: node.getParentSyntaxList() || node.getParentOrThrow(),
        childIndex: node.getChildIndex(),
        replacementSourceFile: tempSourceFile
    });
}
exports.unwrapNode = unwrapNode;
function getReplacementText(node) {
    const childSyntaxList = node.getChildSyntaxListOrThrow();
    const indentationText = node.getIndentationText();
    const childIndentationText = node.getChildIndentationText();
    const indentationDifference = childIndentationText.replace(indentationText, "");
    const replaceRegex = new RegExp("^" + indentationDifference);
    const stringNodeRanges = childSyntaxList.getDescendants().filter(n => utils_1.isStringNode(n)).map(n => [n.getStart(), n.getEnd()]);
    const originalText = childSyntaxList.getFullText();
    const lines = originalText.split("\n");
    let pos = childSyntaxList.getPos();
    const newLines = [];
    for (const line of lines) {
        if (stringNodeRanges.some(n => n[0] < pos && n[1] > pos))
            newLines.push(line);
        else
            newLines.push(line.replace(replaceRegex, ""));
        pos += line.length + 1;
    }
    return newLines.join("\n").replace(/^\r?\n/, "");
}

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