53 lines
1.2 KiB
JavaScript
53 lines
1.2 KiB
JavaScript
var reorder = require('./lib/reorder');
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var respawn = require('./lib/respawn');
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var remover = require('./lib/remover');
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var FORBID_RESPAWNING_FLAG = '--no-respawning';
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module.exports = function(flags, argv, forcedFlags, execute) {
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if (!flags) {
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throw new Error('You must specify flags to respawn with.');
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}
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if (!argv) {
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throw new Error('You must specify an argv array.');
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}
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if (typeof forcedFlags === 'function') {
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execute = forcedFlags;
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forcedFlags = [];
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}
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if (typeof forcedFlags === 'string') {
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forcedFlags = [forcedFlags];
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}
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if (!Array.isArray(forcedFlags)) {
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forcedFlags = [];
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}
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var index = argv.indexOf(FORBID_RESPAWNING_FLAG);
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if (index >= 0) {
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argv = argv.slice(0, index).concat(argv.slice(index + 1));
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argv = remover(flags, argv);
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execute(true, process, argv);
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return;
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}
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var proc = process;
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var reordered = reorder(flags, argv);
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var ready = JSON.stringify(argv) === JSON.stringify(reordered);
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if (forcedFlags.length) {
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reordered = reordered.slice(0, 1)
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.concat(forcedFlags)
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.concat(reordered.slice(1));
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ready = false;
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}
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if (!ready) {
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reordered.push(FORBID_RESPAWNING_FLAG);
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proc = respawn(reordered);
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}
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execute(ready, proc, reordered);
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};
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