/
listable-format.js
227 lines (193 loc) · 5.52 KB
/
listable-format.js
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"use strict";
const chalk = require("chalk");
const columnify = require("columnify");
const path = require("path");
const { QueryGraph } = require("@lerna/query-graph");
module.exports.listableFormat = listableFormat;
/**
* Format a list of packages according to specified options.
* @param {import("@lerna/package").Package[]} pkgList
* @param {import("./listable-options").ListableOptions} options
*/
function listableFormat(pkgList, options) {
const viewOptions = parseViewOptions(options);
const resultList = filterResultList(pkgList, viewOptions);
const count = resultList.length;
let text;
if (viewOptions.showJSON) {
text = formatJSON(resultList);
} else if (viewOptions.showNDJSON) {
text = formatNDJSON(resultList);
} else if (viewOptions.showParseable) {
text = formatParseable(resultList, viewOptions);
} else if (viewOptions.showGraph) {
text = formatJSONGraph(resultList, viewOptions);
} else {
text = formatColumns(resultList, viewOptions);
}
return { text, count };
}
/**
* @param {import("./listable-options").ListableOptions} options
*/
function parseViewOptions(options) {
const alias = options._[0];
return {
showAll: alias === "la" || options.all,
showLong: alias === "la" || alias === "ll" || options.long,
showJSON: options.json,
showNDJSON: options.ndjson,
showParseable: options.parseable,
isTopological: options.toposort,
showGraph: options.graph,
};
}
/**
* @param {import("@lerna/package").Package[]} pkgList
* @param {ReturnType<typeof parseViewOptions>} viewOptions
*/
function filterResultList(pkgList, viewOptions) {
let result = viewOptions.showAll ? pkgList.slice() : pkgList.filter((pkg) => !pkg.private);
if (viewOptions.isTopological) {
// allow cycles, output needs to be usable for debugging circularity
result = QueryGraph.toposort(result);
}
return result;
}
/**
* @param {ReturnType<typeof filterResultList>} resultList
*/
function toJSONList(resultList) {
// explicit re-mapping exposes non-enumerable properties
return resultList.map((pkg) => ({
name: pkg.name,
version: pkg.version,
private: pkg.private,
location: pkg.location,
}));
}
/**
* @param {ReturnType<typeof filterResultList>} resultList
*/
function formatJSON(resultList) {
return JSON.stringify(toJSONList(resultList), null, 2);
}
/**
* @param {ReturnType<typeof filterResultList>} resultList
*/
function formatNDJSON(resultList) {
return toJSONList(resultList)
.map((data) => JSON.stringify(data))
.join("\n");
}
/**
* @param {ReturnType<typeof filterResultList>} resultList
* @param {ReturnType<typeof parseViewOptions>} viewOptions
*/
function formatJSONGraph(resultList, viewOptions) {
// https://en.wikipedia.org/wiki/Adjacency_list
const graph = {};
const getNeighbors = viewOptions.showAll
? (pkg) =>
Object.keys(
Object.assign(
{},
pkg.devDependencies,
pkg.peerDependencies,
pkg.optionalDependencies,
pkg.dependencies
)
).sort()
: (pkg) =>
Object.keys(
Object.assign(
{},
// no devDependencies
// no peerDependencies
pkg.optionalDependencies,
pkg.dependencies
)
).sort();
for (const pkg of resultList) {
graph[pkg.name] = getNeighbors(pkg);
}
return JSON.stringify(graph, null, 2);
}
/**
* @param {import("@lerna/package").Package} pkg
*/
function makeParseable(pkg) {
const result = [pkg.location, pkg.name];
// sometimes the version is inexplicably missing?
if (pkg.version) {
result.push(pkg.version);
} else {
result.push("MISSING");
}
if (pkg.private) {
result.push("PRIVATE");
}
return result.join(":");
}
/**
* @param {ReturnType<typeof filterResultList>} resultList
* @param {ReturnType<typeof parseViewOptions>} viewOptions
*/
function formatParseable(resultList, viewOptions) {
return resultList.map(viewOptions.showLong ? makeParseable : (pkg) => pkg.location).join("\n");
}
/**
* @param {ReturnType<typeof parseViewOptions>} viewOptions
*/
function getColumnOrder(viewOptions) {
const columns = ["name"];
if (viewOptions.showLong) {
columns.push("version", "location");
}
if (viewOptions.showAll) {
columns.push("private");
}
return columns;
}
/**
* @param {ReturnType<typeof filterResultList>} resultList
* @param {ReturnType<typeof parseViewOptions>} viewOptions
*/
function trimmedColumns(formattedResults, viewOptions) {
const str = columnify(formattedResults, {
showHeaders: false,
columns: getColumnOrder(viewOptions),
config: {
version: {
align: "right",
},
},
});
// columnify leaves a lot of trailing space in the last column, remove that here
return str
.split("\n")
.map((line) => line.trimRight())
.join("\n");
}
/**
* @param {ReturnType<typeof filterResultList>} resultList
* @param {ReturnType<typeof parseViewOptions>} viewOptions
*/
function formatColumns(resultList, viewOptions) {
const formattedResults = resultList.map((result) => {
const formatted = {
name: result.name,
};
if (result.version) {
formatted.version = chalk.green(`v${result.version}`);
} else {
formatted.version = chalk.yellow("MISSING");
}
if (result.private) {
formatted.private = `(${chalk.red("PRIVATE")})`;
}
formatted.location = chalk.grey(path.relative(".", result.location));
return formatted;
});
return trimmedColumns(formattedResults, viewOptions);
}