@zkochan/pnpm
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Fast, disk space efficient package manager
123 lines (122 loc) • 4.79 kB
JavaScript
;
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __spread = (this && this.__spread) || function () {
for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i]));
return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
var patternUtils = require("../utils/pattern");
/**
* Generate tasks based on parent directory of each pattern.
*/
function generate(patterns, options) {
var unixPatterns = patterns.map(patternUtils.unixifyPattern);
var unixIgnore = options.ignore.map(patternUtils.unixifyPattern);
var positivePatterns = getPositivePatterns(unixPatterns);
var negativePatterns = getNegativePatternsAsPositive(unixPatterns, unixIgnore);
var staticPatterns = positivePatterns.filter(patternUtils.isStaticPattern);
var dynamicPatterns = positivePatterns.filter(patternUtils.isDynamicPattern);
var staticTasks = convertPatternsToTasks(staticPatterns, negativePatterns, /* dynamic */ false);
var dynamicTasks = convertPatternsToTasks(dynamicPatterns, negativePatterns, /* dynamic */ true);
return staticTasks.concat(dynamicTasks);
}
exports.generate = generate;
/**
* Convert patterns to tasks based on parent directory of each pattern.
*/
function convertPatternsToTasks(positive, negative, dynamic) {
var positivePatternsGroup = groupPatternsByBaseDirectory(positive);
var negativePatternsGroup = groupPatternsByBaseDirectory(negative);
// When we have a global group – there is no reason to divide the patterns into independent tasks.
// In this case, the global task covers the rest.
if ('.' in positivePatternsGroup) {
var task = convertPatternGroupToTask('.', positive, negative, dynamic);
return [task];
}
return convertPatternGroupsToTasks(positivePatternsGroup, negativePatternsGroup, dynamic);
}
exports.convertPatternsToTasks = convertPatternsToTasks;
/**
* Return only positive patterns.
*/
function getPositivePatterns(patterns) {
return patternUtils.getPositivePatterns(patterns);
}
exports.getPositivePatterns = getPositivePatterns;
/**
* Return only negative patterns.
*/
function getNegativePatternsAsPositive(patterns, ignore) {
var negative = patternUtils.getNegativePatterns(patterns).concat(ignore);
var positive = negative.map(patternUtils.convertToPositivePattern);
return positive;
}
exports.getNegativePatternsAsPositive = getNegativePatternsAsPositive;
/**
* Group patterns by base directory of each pattern.
*/
function groupPatternsByBaseDirectory(patterns) {
return patterns.reduce(function (collection, pattern) {
var base = patternUtils.getBaseDirectory(pattern);
if (base in collection) {
collection[base].push(pattern);
}
else {
collection[base] = [pattern];
}
return collection;
}, {});
}
exports.groupPatternsByBaseDirectory = groupPatternsByBaseDirectory;
/**
* Convert group of patterns to tasks.
*/
function convertPatternGroupsToTasks(positive, negative, dynamic) {
var globalNegative = '.' in negative ? negative['.'] : [];
return Object.keys(positive).map(function (base) {
var localNegative = findLocalNegativePatterns(base, negative);
var fullNegative = localNegative.concat(globalNegative);
return convertPatternGroupToTask(base, positive[base], fullNegative, dynamic);
});
}
exports.convertPatternGroupsToTasks = convertPatternGroupsToTasks;
/**
* Returns those negative patterns whose base paths includes positive base path.
*/
function findLocalNegativePatterns(positiveBase, negative) {
return Object.keys(negative).reduce(function (collection, base) {
if (base.startsWith(positiveBase)) {
collection.push.apply(collection, __spread(negative[base]));
}
return collection;
}, []);
}
exports.findLocalNegativePatterns = findLocalNegativePatterns;
/**
* Create a task for positive and negative patterns.
*/
function convertPatternGroupToTask(base, positive, negative, dynamic) {
return {
base: base,
dynamic: dynamic,
patterns: [].concat(positive, negative.map(patternUtils.convertToNegativePattern)),
positive: positive,
negative: negative
};
}
exports.convertPatternGroupToTask = convertPatternGroupToTask;