@tanstack/router-utils
Version:
Modern and scalable routing for React applications
56 lines (55 loc) • 1.58 kB
JavaScript
import ansis from "ansis";
import { diffWords } from "diff";
function logDiff(oldStr, newStr) {
const differences = diffWords(oldStr, newStr);
let output = "";
let unchangedLines = "";
function processUnchangedLines(lines) {
const lineArray = lines.split("\n");
if (lineArray.length > 4) {
return [
ansis.dim(lineArray[0]),
ansis.dim(lineArray[1]),
"",
ansis.dim.bold(`... (${lineArray.length - 4} lines) ...`),
"",
ansis.dim(lineArray[lineArray.length - 2]),
ansis.dim(lineArray[lineArray.length - 1])
].join("\n");
}
return ansis.dim(lines);
}
differences.forEach((part, index) => {
const nextPart = differences[index + 1];
if (part.added) {
if (unchangedLines) {
output += processUnchangedLines(unchangedLines);
unchangedLines = "";
}
output += ansis.green.bold(part.value);
if (nextPart == null ? void 0 : nextPart.removed) output += " ";
} else if (part.removed) {
if (unchangedLines) {
output += processUnchangedLines(unchangedLines);
unchangedLines = "";
}
output += ansis.red.bold(part.value);
if (nextPart == null ? void 0 : nextPart.added) output += " ";
} else {
unchangedLines += part.value;
}
});
if (unchangedLines) {
output += processUnchangedLines(unchangedLines);
}
if (output) {
console.log("\nDiff:");
console.log(output + "\n\n");
} else {
console.log("No changes");
}
}
export {
logDiff
};
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