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sbo\n\nSBO stands for Support the [Bind Operator](https://github.com/tc39/proposal-bind-operator).\n\nConverts `value::yourFunction(arg)` to `yourFunction(value, arg)`—but lets your function support either.\n\n## Installation\n\nRequires [Node.js](https://nodejs.org/) 6.0.0 or above.\n\n```bash\nnpm i sbo\n```\n\n## API\n\nThe module exports a single function.\n\n### Parameters\n\n1. Optional: Object argument:\n    * Optional: `arg` (integer): The argument index at which `this` should be inserted. Defaults to `0`.\n    * Optional: `path` (string): The dot-separated key path of an options object argument located at index `arg` into which `this` should be inserted.\n    * Optional: `ignoreThis` (object, array, or function): `this` is ignored if `ignoreThis` strictly equals `this`, or if `ignoreThis` is an array containing `this`, or if `ignoreThis` is a function which returns `true` when given `this`.\n2. `fn` (Function): The function which should receive bind operator support.\n\n### Return Value\n\nA wrapper function with bind operator support that calls `fn`.\n\n## Tutorial\n\nLet’s say, for the sake of example, that you have a function called `addSuffix`:\n\n```javascript\nconst addSuffix = (str, suffix) =\u003e str + suffix\n```\n\nYou use the `sbo` module to add support for the bind operator:\n\n```javascript\nconst supportBindOperator = require('sbo')\nconst addSuffix = supportBindOperator((str, suffix) =\u003e str + suffix)\n```\n\nNow your function can be called either the normal way or with the bind operator:\n\n```javascript\naddSuffix('Hello, world', '!') // 'Hello, world!'\n'Hello, world'::addSuffix('!') // 'Hello, world!'\n```\n\n### Specifying a Parameter Index\n\nNow let’s swap the order of the parameters:\n\n```javascript\nconst addSuffix = (suffix, str) =\u003e str + suffix\n```\n\nA bound `this` would now need to become the argument with an index of 1. To do this, pass an extra argument to `sbo`:\n\n```javascript\nconst supportBindOperator = require('sbo')\nconst addSuffix = supportBindOperator({arg: 1}, (suffix, str) =\u003e str + suffix)\n\naddSuffix('!', 'Hello, world') // 'Hello, world!'\n'Hello, world'::addSuffix('!') // 'Hello, world!'\n```\n\n### Specifying an Object Argument Key\n\nLet’s try using a deconstructed object parameter:\n\n```javascript\nconst addSuffix = ({str, suffix}) =\u003e str + suffix\n```\n\nDo the following to direct a bound `this` to the `str` key of the object argument at index zero (i.e. the first, and in this case the only, argument):\n\n```javascript\nconst supportBindOperator = require('sbo')\nconst addSuffix = supportBindOperator({path: 'str'}, ({str, suffix}) =\u003e str + suffix)\n\naddSuffix({str: 'Hello, world', suffix: '!'}) // 'Hello, world!'\n'Hello, world'::addSuffix({suffix: '!'}) // 'Hello, world!'\n```\n\nIf you have a nested object parameter, you can use a dot-separated key path.\n\n## Related\n\nCheck out these other function utility packages.\n\n* [efn](https://github.com/lamansky/efn): Extracted Function\n* [ffn](https://github.com/lamansky/ffn): Filtering Function\n* [jfn](https://github.com/lamansky/jfn): Joined Function\n* [mfn](https://github.com/lamansky/mfn): Memoized Function\n* [ofn](https://github.com/lamansky/ofn): Overloaded Function\n* [pfn](https://github.com/lamansky/pfn): Possible Function\n* [qfn](https://github.com/lamansky/qfn): Qualified Function\n* [vfn](https://github.com/lamansky/vfn): Variadic Function\n* [wfn](https://github.com/lamansky/wfn): Wrapper Function\n* [xfn](https://github.com/lamansky/xfn): Extended Function\n* [3fn](https://github.com/lamansky/3fn): Three-Way Comparison Function\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flamansky%2Fsbo","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flamansky%2Fsbo","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flamansky%2Fsbo/lists"}