@nx/js
Version:
55 lines (54 loc) • 2.34 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.extractNpmPublishJsonData = extractNpmPublishJsonData;
const expectedNpmPublishJsonKeys = [
'id',
'name',
'version',
'size',
'filename',
];
// Regular expression to match JSON-like objects, including nested objects (which the expected npm publish output will have, e.g. in its "files" array)
// /{(?:[^{}]|{[^{}]*})*}/g
// /{ : Matches the opening brace of a JSON object
// (?: ) : Non-capturing group to apply quantifiers
// [^{}] : Matches any character except for braces
// | : OR
// {[^{}]*} : Matches nested JSON objects
// * : The non-capturing group (i.e. any character except for braces OR nested JSON objects) can repeat zero or more times
// } : Matches the closing brace of a JSON object
// /g : Global flag to match all occurrences in the string
const jsonRegex = /{(?:[^{}]|{[^{}]*})*}/g;
function extractNpmPublishJsonData(str) {
const jsonMatches = str.match(jsonRegex);
if (jsonMatches) {
for (const match of jsonMatches) {
// Cheap upfront check to see if the stringified JSON data has the expected keys as substrings
if (!expectedNpmPublishJsonKeys.every((key) => str.includes(key))) {
continue;
}
// Full JSON parsing to identify the JSON object
try {
const parsedJson = JSON.parse(match);
if (!expectedNpmPublishJsonKeys.every((key) => parsedJson[key] !== undefined)) {
continue;
}
const jsonStartIndex = str.indexOf(match);
return {
beforeJsonData: str.slice(0, jsonStartIndex),
jsonData: parsedJson,
afterJsonData: str.slice(jsonStartIndex + match.length),
};
}
catch {
// Ignore parsing errors for unrelated JSON blocks
}
}
}
// No applicable jsonData detected, the whole contents is the beforeJsonData
return {
beforeJsonData: str,
jsonData: null,
afterJsonData: '',
};
}