67 lines
1.5 KiB
JavaScript
67 lines
1.5 KiB
JavaScript
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'use strict';
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const through = require('through2');
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const deepAssign = require('deep-assign');
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const Mode = require('stat-mode');
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const defaultMode = 0o777 & (~process.umask());
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function normalize(mode) {
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let called = false;
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const newMode = {
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owner: {},
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group: {},
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others: {}
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};
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['read', 'write', 'execute'].forEach(key => {
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if (typeof mode[key] === 'boolean') {
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newMode.owner[key] = mode[key];
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newMode.group[key] = mode[key];
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newMode.others[key] = mode[key];
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called = true;
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}
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});
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return called ? newMode : mode;
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}
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module.exports = (mode, dirMode) => {
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if (mode !== null && mode !== undefined && typeof mode !== 'number' && typeof mode !== 'object') {
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throw new TypeError('Expected mode to be null/undefined/number/Object');
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}
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if (dirMode === true) {
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dirMode = mode;
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}
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if (dirMode !== null && dirMode !== undefined && typeof dirMode !== 'number' && typeof dirMode !== 'object') {
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throw new TypeError('Expected dirMode to be null/undefined/true/number/Object');
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}
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return through.obj((file, enc, cb) => {
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let curMode = mode;
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if (file.isNull() && file.stat && file.stat.isDirectory()) {
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curMode = dirMode;
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}
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if (curMode === undefined || curMode === null) {
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cb(null, file);
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return;
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}
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file.stat = file.stat || {};
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file.stat.mode = file.stat.mode || defaultMode;
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if (typeof curMode === 'object') {
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const statMode = new Mode(file.stat);
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deepAssign(statMode, normalize(curMode));
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file.stat.mode = statMode.stat.mode;
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} else {
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file.stat.mode = curMode;
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}
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cb(null, file);
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});
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};
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