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44 lines
827 B
Markdown
44 lines
827 B
Markdown
# defaults
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A simple one level options merge utility
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## install
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`npm install defaults`
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## use
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```javascript
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var defaults = require('defaults');
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var handle = function(options, fn) {
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options = defaults(options, {
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timeout: 100
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});
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setTimeout(function() {
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fn(options);
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}, options.timeout);
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}
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handle({ timeout: 1000 }, function() {
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// we're here 1000 ms later
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});
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handle({ timeout: 10000 }, function() {
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// we're here 10s later
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});
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```
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## summary
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this module exports a function that takes 2 arguments: `options` and `defaults`. When called, it overrides all of `undefined` properties in `options` with the clones of properties defined in `defaults`
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Sidecases: if called with a falsy `options` value, options will be initialized to a new object before being merged onto.
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## license
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[MIT](LICENSE)
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