43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
module.exports = command;
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/**
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* command constructs the executable command to run in a shell including the
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* user script, the command arguments.
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*
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* @param {Object} settings Object as:
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* { execOptions: {
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* exec: String,
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* [script: String],
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* [scriptPosition: Number],
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* [execArgs: Array<string>]
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* }
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* }
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* @return {Object} an object with the node executable and the
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* arguments to the command
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*/
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function command(settings) {
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var options = settings.execOptions;
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var executable = options.exec;
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var args = [];
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// after "executable" go the exec args (like --debug, etc)
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if (options.execArgs) {
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[].push.apply(args, options.execArgs);
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}
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// then goes the user's script arguments
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if (options.args) {
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[].push.apply(args, options.args);
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}
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// after the "executable" goes the user's script
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if (options.script) {
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args.splice((options.scriptPosition || 0) +
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options.execArgs.length, 0, options.script);
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}
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return {
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executable: executable,
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args: args,
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};
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}
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