index.mjs.map

{"version":3,"file":"index.mjs","sources":["../lib/limit.js","../lib/factory.js","../lib/validate.js","../lib/main.js","../lib/index.js"],"sourcesContent":["/**\n* @license Apache-2.0\n*\n* Copyright (c) 2018 The Stdlib Authors.\n*\n* Licensed under the Apache License, Version 2.0 (the \"License\");\n* you may not use this file except in compliance with the License.\n* You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing, software\n* distributed under the License is distributed on an \"AS IS\" BASIS,\n* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n* See the License for the specific language governing permissions and\n* limitations under the License.\n*/\n\n'use strict';\n\n// MODULES //\n\nvar logger = require( 'debug' );\n\n\n// VARIABLES //\n\nvar debug = logger( 'none-by-async:limit' );\n\n\n// MAIN //\n\n/**\n* Invokes a predicate function once for each element in a collection, limiting the number of concurrently pending functions.\n*\n* @private\n* @param {Collection} collection - input collection\n* @param {Options} opts - function options\n* @param {*} [opts.thisArg] - execution context\n* @param {PositiveInteger} [opts.limit] - maximum number of pending function invocations\n* @param {Function} predicate - predicate function\n* @param {Callback} done - function to invoke upon completion or upon encountering an error\n* @returns {void}\n*/\nfunction limit( collection, opts, predicate, done ) {\n\tvar maxIndex;\n\tvar count;\n\tvar flg;\n\tvar lim;\n\tvar len;\n\tvar idx;\n\tvar i;\n\n\tlen = collection.length;\n\tdebug( 'Collection length: %d', len );\n\n\tif ( len === 0 ) {\n\t\tdebug( 'Finished processing a collection.' );\n\t\treturn done( null, true );\n\t}\n\tif ( len < opts.limit ) {\n\t\tlim = len;\n\t} else {\n\t\tlim = opts.limit;\n\t}\n\tdebug( 'Concurrency limit: %d', lim );\n\tdebug( 'Number of arguments: %d', predicate.length );\n\n\tmaxIndex = len - 1;\n\tcount = 0;\n\tidx = -1;\n\tfor ( i = 0; i < lim; i++ ) {\n\t\t// This guard is necessary to protect against synchronous functions which exhaust all collection elements...\n\t\tif ( idx < maxIndex ) {\n\t\t\tnext(); // eslint-disable-line node/callback-return\n\t\t}\n\t}\n\n\t/**\n\t* Callback to invoke a provided function for the next element in a collection.\n\t*\n\t* @private\n\t*/\n\tfunction next() {\n\t\tidx += 1;\n\t\tdebug( 'Collection element %d: %s.', idx, JSON.stringify( collection[ idx ] ) );\n\t\tif ( predicate.length === 2 ) {\n\t\t\tpredicate.call( opts.thisArg, collection[ idx ], clbk );\n\t\t} else if ( predicate.length === 3 ) {\n\t\t\tpredicate.call( opts.thisArg, collection[ idx ], idx, clbk );\n\t\t} else {\n\t\t\tpredicate.call( opts.thisArg, collection[ idx ], idx, collection, clbk ); // eslint-disable-line max-len\n\t\t}\n\t}\n\n\t/**\n\t* Callback invoked once a provided function finishes processing a collection element.\n\t*\n\t* @private\n\t* @param {*} [error] - error\n\t* @param {*} [result] - test result\n\t* @returns {void}\n\t*/\n\tfunction clbk( error, result ) {\n\t\tif ( flg ) {\n\t\t\t// Prevent further processing of collection elements:\n\t\t\treturn;\n\t\t}\n\t\tif ( error ) {\n\t\t\tflg = true;\n\t\t\tdebug( 'Encountered an error: %s', error.message );\n\t\t\treturn done( error );\n\t\t}\n\t\tcount += 1;\n\t\tdebug( 'Processed %d of %d collection elements.', count, len );\n\n\t\tdebug( 'Test result: %s', !!result );\n\t\tif ( result && !flg ) {\n\t\t\tflg = true;\n\t\t\tdebug( 'Finished processing a collection.' );\n\t\t\treturn done( null, false );\n\t\t}\n\t\tif ( idx < maxIndex ) {\n\t\t\treturn next();\n\t\t}\n\t\tif ( count === len ) {\n\t\t\tdebug( 'Finished processing a collection.' );\n\t\t\treturn done( null, true );\n\t\t}\n\t}\n}\n\n\n// EXPORTS //\n\nexport default limit;\n","/**\n* @license Apache-2.0\n*\n* Copyright (c) 2018 The Stdlib Authors.\n*\n* Licensed under the Apache License, Version 2.0 (the \"License\");\n* you may not use this file except in compliance with the License.\n* You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing, software\n* distributed under the License is distributed on an \"AS IS\" BASIS,\n* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n* See the License for the specific language governing permissions and\n* limitations under the License.\n*/\n\n'use strict';\n\n// MODULES //\n\nimport isFunction from '@stdlib/assert-is-function';\nimport isCollection from '@stdlib/assert-is-collection';\nimport format from '@stdlib/error-tools-fmtprodmsg';\nimport PINF from '@stdlib/constants-float64-pinf';\nimport validate from './validate.js';\nimport limit from './limit.js';\n\n\n// MAIN //\n\n/**\n* Returns a function for testing whether all elements in a collection fail a test implemented by a predicate function.\n*\n* ## Notes\n*\n* -   If a predicate function calls the provided callback with a truthy error argument, the function suspends execution and immediately calls the `done` callback for subsequent error handling.\n* -   This function does **not** guarantee that execution is asynchronous. To do so, wrap the `done` callback in a function which either executes at the end of the current stack (e.g., `nextTick`) or during a subsequent turn of the event loop (e.g., `setImmediate`, `setTimeout`).\n*\n* @param {Options} [options] - function options\n* @param {*} [options.thisArg] - execution context\n* @param {PositiveInteger} [options.limit] - maximum number of pending invocations at any one time\n* @param {boolean} [options.series=false] - boolean indicating whether to wait for a previous invocation to complete before invoking a provided function for the next element in a collection\n* @param {Function} predicate - predicate function to invoke for each element in a collection\n* @throws {TypeError} options argument must be an object\n* @throws {TypeError} must provide valid options\n* @throws {TypeError} last argument must be a function\n* @returns {Function} function which invokes the predicate function once for each element in a collection\n*\n* @example\n* import readFile from '@stdlib/fs-read-file';\n*\n* function predicate( file, next ) {\n*     var opts = {\n*         'encoding': 'utf8'\n*     };\n*     readFile( file, opts, onFile );\n*\n*     function onFile( error ) {\n*         if ( error ) {\n*             return next( null, false );\n*         }\n*         next( null, true );\n*     }\n* }\n*\n* var opts = {\n*     'series': true\n* };\n*\n* // Create an `noneByAsync` function which invokes the predicate function for each collection element sequentially:\n* var noneByAsync = factory( opts, predicate );\n*\n* // Create a collection over which to iterate:\n* var files = [\n*     './beep.js',\n*     './boop.js'\n* ];\n*\n* // Define a callback which handles results:\n* function done( error, bool ) {\n*     if ( error ) {\n*         throw error;\n*     }\n*     if ( bool ) {\n*         console.log( 'Was unable to read all files.' );\n*     } else {\n*         console.log( 'Was able to read at least one file.' );\n*     }\n* }\n*\n* // Try to read each element in `files`:\n* noneByAsync( files, done );\n*/\nfunction factory( options, predicate ) {\n\tvar opts;\n\tvar err;\n\tvar f;\n\n\topts = {};\n\tif ( arguments.length > 1 ) {\n\t\terr = validate( opts, options );\n\t\tif ( err ) {\n\t\t\tthrow err;\n\t\t}\n\t\tf = predicate;\n\t} else {\n\t\tf = options;\n\t}\n\tif ( !isFunction( f ) ) {\n\t\tthrow new TypeError( format( '1RV3q', f ) );\n\t}\n\tif ( opts.series ) {\n\t\topts.limit = 1;\n\t} else if ( !opts.limit ) {\n\t\topts.limit = PINF;\n\t}\n\treturn noneByAsync;\n\n\t/**\n\t* Invokes a predicate function for each element in a collection.\n\t*\n\t* @private\n\t* @param {Collection} collection - input collection\n\t* @param {Callback} done - function to invoke upon completion\n\t* @throws {TypeError} first argument must be a collection\n\t* @throws {TypeError} last argument must be a function\n\t* @returns {void}\n\t*/\n\tfunction noneByAsync( collection, done ) {\n\t\tif ( !isCollection( collection ) ) {\n\t\t\tthrow new TypeError( format( '1RVAh', collection ) );\n\t\t}\n\t\tif ( !isFunction( done ) ) {\n\t\t\tthrow new TypeError( format( '1RV3q', done ) );\n\t\t}\n\t\treturn limit( collection, opts, f, clbk );\n\n\t\t/**\n\t\t* Callback invoked upon completion.\n\t\t*\n\t\t* @private\n\t\t* @param {*} [error] - error\n\t\t* @param {boolean} bool - test result\n\t\t* @returns {void}\n\t\t*/\n\t\tfunction clbk( error, bool ) {\n\t\t\tif ( error ) {\n\t\t\t\treturn done( error, false );\n\t\t\t}\n\t\t\tdone( null, bool );\n\t\t}\n\t}\n}\n\n\n// EXPORTS //\n\nexport default factory;\n","/**\n* @license Apache-2.0\n*\n* Copyright (c) 2018 The Stdlib Authors.\n*\n* Licensed under the Apache License, Version 2.0 (the \"License\");\n* you may not use this file except in compliance with the License.\n* You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing, software\n* distributed under the License is distributed on an \"AS IS\" BASIS,\n* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n* See the License for the specific language governing permissions and\n* limitations under the License.\n*/\n\n'use strict';\n\n// MODULES //\n\nimport isObject from '@stdlib/assert-is-plain-object';\nimport hasOwnProp from '@stdlib/assert-has-own-property';\nimport { isPrimitive as isBoolean } from '@stdlib/assert-is-boolean';\nimport { isPrimitive as isPositiveInteger } from '@stdlib/assert-is-positive-integer';\nimport format from '@stdlib/error-tools-fmtprodmsg';\n\n\n// MAIN //\n\n/**\n* Validates function options.\n*\n* @private\n* @param {Object} opts - destination object\n* @param {Options} options - function options\n* @param {*} [options.thisArg] - execution context\n* @param {PositiveInteger} [options.limit] - maximum number of pending invocations at any one time\n* @param {boolean} [options.series] - boolean indicating whether to wait for a previous invocation to complete before invoking a provided function for the next element in a collection\n* @returns {(Error|null)} null or an error object\n*\n* @example\n* var opts = {};\n* var options = {\n*     'thisArg': {},\n*     'series': false,\n*     'limit': 10\n* };\n* var err = validate( opts, options );\n* if ( err ) {\n*     throw err;\n* }\n*/\nfunction validate( opts, options ) {\n\tif ( !isObject( options ) ) {\n\t\treturn new TypeError( format( '1RV2V', options ) );\n\t}\n\tif ( hasOwnProp( options, 'thisArg' ) ) {\n\t\topts.thisArg = options.thisArg;\n\t}\n\tif ( hasOwnProp( options, 'series' ) ) {\n\t\topts.series = options.series;\n\t\tif ( !isBoolean( opts.series ) ) {\n\t\t\treturn new TypeError( format( '1RV2o', 'series', opts.series ) );\n\t\t}\n\t}\n\tif ( hasOwnProp( options, 'limit' ) ) {\n\t\topts.limit = options.limit;\n\t\tif ( !isPositiveInteger( opts.limit ) ) {\n\t\t\treturn new TypeError( format( '1RV3P', 'limit', opts.limit ) );\n\t\t}\n\t}\n\treturn null;\n}\n\n\n// EXPORTS //\n\nexport default validate;\n","/**\n* @license Apache-2.0\n*\n* Copyright (c) 2018 The Stdlib Authors.\n*\n* Licensed under the Apache License, Version 2.0 (the \"License\");\n* you may not use this file except in compliance with the License.\n* You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing, software\n* distributed under the License is distributed on an \"AS IS\" BASIS,\n* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n* See the License for the specific language governing permissions and\n* limitations under the License.\n*/\n\n'use strict';\n\n// MODULES //\n\nimport factory from './factory.js';\n\n\n// MAIN //\n\n/**\n* Tests whether all elements in a collection fail a test implemented by a predicate function.\n*\n* ## Notes\n*\n* -   If a predicate function calls the provided callback with a truthy error argument, the function suspends execution and immediately calls the `done` callback for subsequent error handling.\n* -   This function does **not** guarantee that execution is asynchronous. To do so, wrap the `done` callback in a function which either executes at the end of the current stack (e.g., `nextTick`) or during a subsequent turn of the event loop (e.g., `setImmediate`, `setTimeout`).\n*\n* @param {Collection} collection - input collection\n* @param {Options} [options] - function options\n* @param {*} [options.thisArg] - execution context\n* @param {PositiveInteger} [options.limit] - maximum number of pending invocations at any one time\n* @param {boolean} [options.series=false] - boolean indicating whether to wait for a previous invocation to complete before invoking a provided function for the next element in a collection\n* @param {Function} predicate - predicate function to invoke for each element in a collection\n* @param {Callback} done - function to invoke upon completion\n* @throws {TypeError} first argument must be a collection\n* @throws {TypeError} options argument must be an object\n* @throws {TypeError} must provide valid options\n* @throws {TypeError} second-to-last argument must be a function\n* @throws {TypeError} last argument must be a function\n* @returns {void}\n*\n* @example\n* import readFile from '@stdlib/fs-read-file';\n*\n* function done( error, bool ) {\n*     if ( error ) {\n*         throw error;\n*     }\n*     if ( bool ) {\n*         console.log( 'Was unable to read all files.' );\n*     } else {\n*         console.log( 'Was able to read at least one file.' );\n*     }\n* }\n*\n* function predicate( file, next ) {\n*     var opts = {\n*         'encoding': 'utf8'\n*     };\n*     readFile( file, opts, onFile );\n*\n*     function onFile( error ) {\n*         if ( error ) {\n*             return next( null, false );\n*         }\n*         next( null, true );\n*     }\n* }\n*\n* var files = [\n*     './beep.js',\n*     './boop.js'\n* ];\n*\n* noneByAsync( files, predicate, done );\n*/\nfunction noneByAsync( collection, options, predicate, done ) {\n\tif ( arguments.length < 4 ) {\n\t\treturn factory( options )( collection, predicate );\n\t}\n\tfactory( options, predicate )( collection, done );\n}\n\n\n// EXPORTS //\n\nexport default noneByAsync;\n","/**\n* @license Apache-2.0\n*\n* Copyright (c) 2018 The Stdlib Authors.\n*\n* Licensed under the Apache License, Version 2.0 (the \"License\");\n* you may not use this file except in compliance with the License.\n* You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing, software\n* distributed under the License is distributed on an \"AS IS\" BASIS,\n* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n* See the License for the specific language governing permissions and\n* limitations under the License.\n*/\n\n'use strict';\n\n/**\n* Test whether all elements in a collection fail a test implemented by a predicate function.\n*\n* @module @stdlib/utils-async-none-by\n*\n* @example\n* import readFile from '@stdlib/fs-read-file';\n* import noneByAsync from '@stdlib/utils-async-none-by';\n*\n* var files = [\n*     './beep.js',\n*     './boop.js'\n* ];\n*\n* function done( error, bool ) {\n*     if ( error ) {\n*         throw error;\n*     }\n*     if ( bool ) {\n*         console.log( 'Was unable to read all files.' );\n*     } else {\n*         console.log( 'Was able to read at least one file.' );\n*     }\n* }\n*\n* function predicate( file, next ) {\n*     var opts = {\n*         'encoding': 'utf8'\n*     };\n*     readFile( file, opts, onFile );\n*\n*     function onFile( error ) {\n*         if ( error ) {\n*             return next( null, false );\n*         }\n*         next( null, true );\n*     }\n* }\n*\n* noneByAsync( files, predicate, done );\n*/\n\n// MODULES //\n\nimport setReadOnly from '@stdlib/utils-define-nonenumerable-read-only-property';\nimport main from './main.js';\nimport factory from './factory.js';\n\n\n// MAIN //\n\nsetReadOnly( main, 'factory', factory );\n\n\n// EXPORTS //\n\nexport default main;\n"],"names":["debug","logger","factory","options","predicate","opts","err","f","arguments","length","isObject","hasOwnProp","thisArg","series","isBoolean","TypeError","format","limit","isPositiveInteger","validate","isFunction","PINF","collection","done","isCollection","maxIndex","count","flg","lim","len","idx","i","next","JSON","stringify","call","clbk","error","result","message","bool","noneByAsync","setReadOnly","main"],"mappings":";;81CA2BIA,uDAAQC,CAAQ,uBCoEpB,SAASC,EAASC,EAASC,GAC1B,IAAIC,EACAC,EACAC,EAGJ,GADAF,EAAO,CAAA,EACFG,UAAUC,OAAS,EAAI,CAE3B,GADAH,EChDF,SAAmBD,EAAMF,GACxB,OAAMO,EAAUP,IAGXQ,EAAYR,EAAS,aACzBE,EAAKO,QAAUT,EAAQS,SAEnBD,EAAYR,EAAS,YACzBE,EAAKQ,OAASV,EAAQU,QAChBC,EAAWT,EAAKQ,SACd,IAAIE,UAAWC,EAAQ,QAAS,SAAUX,EAAKQ,SAGnDF,EAAYR,EAAS,WACzBE,EAAKY,MAAQd,EAAQc,OACfC,EAAmBb,EAAKY,QACtB,IAAIF,UAAWC,EAAQ,QAAS,QAASX,EAAKY,QAGhD,MAjBC,IAAIF,UAAWC,EAAQ,QAASb,GAkBzC,CD4BQgB,CAAUd,EAAMF,GACjBG,EACJ,MAAMA,EAEPC,EAAIH,CACN,MACEG,EAAIJ,EAEL,IAAMiB,EAAYb,GACjB,MAAM,IAAIQ,UAAWC,EAAQ,QAAST,IAOvC,OALKF,EAAKQ,OACTR,EAAKY,MAAQ,EACDZ,EAAKY,QACjBZ,EAAKY,MAAQI,GAcd,SAAsBC,EAAYC,GACjC,IAAMC,EAAcF,GACnB,MAAM,IAAIP,UAAWC,EAAQ,QAASM,IAEvC,IAAMF,EAAYG,GACjB,MAAM,IAAIR,UAAWC,EAAQ,QAASO,IAEvC,OD7FF,SAAgBD,EAAYjB,EAAMD,EAAWmB,GAC5C,IAAIE,EACAC,EACAC,EACAC,EACAC,EACAC,EACAC,EAKJ,GAHAF,EAAMP,EAAWb,OACjBT,EAAO,wBAAyB6B,GAEnB,IAARA,EAEJ,OADA7B,EAAO,qCACAuB,EAAM,MAAM,GAapB,IAVCK,EADIC,EAAMxB,EAAKY,MACTY,EAEAxB,EAAKY,MAEZjB,EAAO,wBAAyB4B,GAChC5B,EAAO,0BAA2BI,EAAUK,QAE5CgB,EAAWI,EAAM,EACjBH,EAAQ,EACRI,GAAO,EACDC,EAAI,EAAGA,EAAIH,EAAKG,IAEhBD,EAAML,GACVO,IASF,SAASA,IAERhC,EAAO,6BADP8B,GAAO,EACmCG,KAAKC,UAAWZ,EAAYQ,KAC5C,IAArB1B,EAAUK,OACdL,EAAU+B,KAAM9B,EAAKO,QAASU,EAAYQ,GAAOM,GACjB,IAArBhC,EAAUK,OACrBL,EAAU+B,KAAM9B,EAAKO,QAASU,EAAYQ,GAAOA,EAAKM,GAEtDhC,EAAU+B,KAAM9B,EAAKO,QAASU,EAAYQ,GAAOA,EAAKR,EAAYc,EAEnE,CAUD,SAASA,EAAMC,EAAOC,GACrB,IAAKX,EAIL,OAAKU,GACJV,GAAM,EACN3B,EAAO,2BAA4BqC,EAAME,SAClChB,EAAMc,KAGdrC,EAAO,0CADP0B,GAAS,EACgDG,GAEzD7B,EAAO,oBAAqBsC,GACvBA,IAAWX,GACfA,GAAM,EACN3B,EAAO,qCACAuB,EAAM,MAAM,IAEfO,EAAML,EACHO,IAEHN,IAAUG,GACd7B,EAAO,qCACAuB,EAAM,MAAM,SAFpB,EAIA,CACF,CCOSN,CAAOK,EAAYjB,EAAME,GAUhC,SAAe8B,EAAOG,GACrB,GAAKH,EACJ,OAAOd,EAAMc,GAAO,GAErBd,EAAM,KAAMiB,EACZ,GACD,CACF,CEtEA,SAASC,EAAanB,EAAYnB,EAASC,EAAWmB,GACrD,GAAKf,UAAUC,OAAS,EACvB,OAAOP,EAASC,EAATD,CAAoBoB,EAAYlB,GAExCF,EAASC,EAASC,EAAlBF,CAA+BoB,EAAYC,EAC5C,CClBAmB,EAAAC,EAAA,UAAAzC"}