ts-simple-ast
Version:
TypeScript compiler wrapper for AST navigation and code generation.
60 lines (59 loc) • 2.31 kB
JavaScript
;
var __values = (this && this.__values)/* istanbul ignore next */ || function (o) {
var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;
if (m) return m.call(o);
return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
};
Object.defineProperty(exports, "__esModule", { value: true });
var tree_1 = require("./../tree");
var getNewReplacementSourceFile_1 = require("./../getNewReplacementSourceFile");
function unwrapNode(node) {
var 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) {
var childSyntaxList = node.getChildSyntaxListOrThrow();
var indentationText = node.getIndentationText();
var childIndentationText = node.getChildIndentationText();
var indentationDifference = childIndentationText.replace(indentationText, "");
var replaceRegex = new RegExp("^" + indentationDifference);
var originalText = childSyntaxList.getFullText();
var sourceFile = node.sourceFile;
var lines = originalText.split("\n");
var pos = childSyntaxList.getPos();
var newLines = [];
try {
for (var lines_1 = __values(lines), lines_1_1 = lines_1.next(); !lines_1_1.done; lines_1_1 = lines_1.next()) {
var line = lines_1_1.value;
if (sourceFile.isInStringAtPos(pos))
newLines.push(line);
else
newLines.push(line.replace(replaceRegex, ""));
pos += line.length + 1;
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (lines_1_1 && !lines_1_1.done && (_a = lines_1.return)) _a.call(lines_1);
}
finally { if (e_1) throw e_1.error; }
}
return newLines.join("\n").replace(/^\r?\n/, "");
var e_1, _a;
}