|
| 1 | +/** |
| 2 | + * Copyright 2017, Google, Inc. |
| 3 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | + * you may not use this file except in compliance with the License. |
| 5 | + * You may obtain a copy of the License at |
| 6 | + * |
| 7 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | + * |
| 9 | + * Unless required by applicable law or agreed to in writing, software |
| 10 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | + * See the License for the specific language governing permissions and |
| 13 | + * limitations under the License. |
| 14 | + */ |
| 15 | + |
| 16 | +'use strict'; |
| 17 | + |
| 18 | +function analyzeSentimentOfText (text) { |
| 19 | + // [START language_sentiment_string] |
| 20 | + // Imports the Google Cloud client library |
| 21 | + const Language = require('@google-cloud/language'); |
| 22 | + |
| 23 | + // Instantiates a client |
| 24 | + const language = Language(); |
| 25 | + |
| 26 | + // The text to analyze, e.g. "Hello, world!" |
| 27 | + // const text = 'Hello, world!'; |
| 28 | + |
| 29 | + // Instantiates a Document, representing the provided text |
| 30 | + const document = language.document({ content: text }); |
| 31 | + |
| 32 | + // Detects the sentiment of the document |
| 33 | + document.detectSentiment() |
| 34 | + .then((results) => { |
| 35 | + const sentiment = results[1].documentSentiment; |
| 36 | + console.log(`Document sentiment:`); |
| 37 | + console.log(` Score: ${sentiment.score}`); |
| 38 | + console.log(` Magnitude: ${sentiment.magnitude}`); |
| 39 | + |
| 40 | + const sentences = results[1].sentences; |
| 41 | + sentences.forEach((sentence) => { |
| 42 | + console.log(`Sentence: ${sentence.text.content}`); |
| 43 | + console.log(` Score: ${sentence.sentiment.score}`); |
| 44 | + console.log(` Magnitude: ${sentence.sentiment.magnitude}`); |
| 45 | + }); |
| 46 | + }) |
| 47 | + .catch((err) => { |
| 48 | + console.error('ERROR:', err); |
| 49 | + }); |
| 50 | + // [END language_sentiment_string] |
| 51 | +} |
| 52 | + |
| 53 | +function analyzeSentimentInFile (bucketName, fileName) { |
| 54 | + // [START language_sentiment_file] |
| 55 | + // Imports the Google Cloud client libraries |
| 56 | + const Language = require('@google-cloud/language'); |
| 57 | + const Storage = require('@google-cloud/storage'); |
| 58 | + |
| 59 | + // Instantiates the clients |
| 60 | + const language = Language(); |
| 61 | + const storage = Storage(); |
| 62 | + |
| 63 | + // The name of the bucket where the file resides, e.g. "my-bucket" |
| 64 | + // const bucketName = 'my-bucket'; |
| 65 | + |
| 66 | + // The name of the file to analyze, e.g. "file.txt" |
| 67 | + // const fileName = 'file.txt'; |
| 68 | + |
| 69 | + // Instantiates a Document, representing a text file in Cloud Storage |
| 70 | + const document = language.document({ |
| 71 | + // The Google Cloud Storage file |
| 72 | + content: storage.bucket(bucketName).file(fileName) |
| 73 | + }); |
| 74 | + |
| 75 | + // Detects the sentiment of the document |
| 76 | + document.detectSentiment() |
| 77 | + .then((results) => { |
| 78 | + const sentiment = results[1].documentSentiment; |
| 79 | + console.log(`Document sentiment:`); |
| 80 | + console.log(` Score: ${sentiment.score}`); |
| 81 | + console.log(` Magnitude: ${sentiment.magnitude}`); |
| 82 | + |
| 83 | + const sentences = results[1].sentences; |
| 84 | + sentences.forEach((sentence) => { |
| 85 | + console.log(`Sentence: ${sentence.text.content}`); |
| 86 | + console.log(` Score: ${sentence.sentiment.score}`); |
| 87 | + console.log(` Magnitude: ${sentence.sentiment.magnitude}`); |
| 88 | + }); |
| 89 | + }) |
| 90 | + .catch((err) => { |
| 91 | + console.error('ERROR:', err); |
| 92 | + }); |
| 93 | + // [END language_sentiment_file] |
| 94 | +} |
| 95 | + |
| 96 | +function analyzeEntitiesOfText (text) { |
| 97 | + // [START language_entities_string] |
| 98 | + // Imports the Google Cloud client library |
| 99 | + const Language = require('@google-cloud/language'); |
| 100 | + |
| 101 | + // Instantiates a client |
| 102 | + const language = Language(); |
| 103 | + |
| 104 | + // The text to analyze, e.g. "Hello, world!" |
| 105 | + // const text = 'Hello, world!'; |
| 106 | + |
| 107 | + // Instantiates a Document, representing the provided text |
| 108 | + const document = language.document({ content: text }); |
| 109 | + |
| 110 | + // Detects entities in the document |
| 111 | + document.detectEntities() |
| 112 | + .then((results) => { |
| 113 | + const entities = results[1].entities; |
| 114 | + |
| 115 | + console.log('Entities:'); |
| 116 | + entities.forEach((entity) => { |
| 117 | + console.log(entity.name); |
| 118 | + console.log(` - Type: ${entity.type}, Salience: ${entity.salience}`); |
| 119 | + if (entity.metadata && entity.metadata.wikipedia_url) { |
| 120 | + console.log(` - Wikipedia URL: ${entity.metadata.wikipedia_url}$`); |
| 121 | + } |
| 122 | + }); |
| 123 | + }) |
| 124 | + .catch((err) => { |
| 125 | + console.error('ERROR:', err); |
| 126 | + }); |
| 127 | + // [END language_entities_string] |
| 128 | +} |
| 129 | + |
| 130 | +function analyzeEntitiesInFile (bucketName, fileName) { |
| 131 | + // [START language_entities_file] |
| 132 | + // Imports the Google Cloud client libraries |
| 133 | + const Language = require('@google-cloud/language'); |
| 134 | + const Storage = require('@google-cloud/storage'); |
| 135 | + |
| 136 | + // Instantiates the clients |
| 137 | + const language = Language(); |
| 138 | + const storage = Storage(); |
| 139 | + |
| 140 | + // The name of the bucket where the file resides, e.g. "my-bucket" |
| 141 | + // const bucketName = 'my-bucket'; |
| 142 | + |
| 143 | + // The name of the file to analyze, e.g. "file.txt" |
| 144 | + // const fileName = 'file.txt'; |
| 145 | + |
| 146 | + // Instantiates a Document, representing a text file in Cloud Storage |
| 147 | + const document = language.document({ |
| 148 | + // The Google Cloud Storage file |
| 149 | + content: storage.bucket(bucketName).file(fileName) |
| 150 | + }); |
| 151 | + |
| 152 | + // Detects entities in the document |
| 153 | + document.detectEntities() |
| 154 | + .then((results) => { |
| 155 | + const entities = results[0]; |
| 156 | + |
| 157 | + console.log('Entities:'); |
| 158 | + entities.forEach((entity) => { |
| 159 | + console.log(entity.name); |
| 160 | + console.log(` - Type: ${entity.type}, Salience: ${entity.salience}`); |
| 161 | + if (entity.metadata && entity.metadata.wikipedia_url) { |
| 162 | + console.log(` - Wikipedia URL: ${entity.metadata.wikipedia_url}$`); |
| 163 | + } |
| 164 | + }); |
| 165 | + }) |
| 166 | + .catch((err) => { |
| 167 | + console.error('ERROR:', err); |
| 168 | + }); |
| 169 | + // [END language_entities_file] |
| 170 | +} |
| 171 | + |
| 172 | +function analyzeSyntaxOfText (text) { |
| 173 | + // [START language_syntax_string] |
| 174 | + // Imports the Google Cloud client library |
| 175 | + const Language = require('@google-cloud/language'); |
| 176 | + |
| 177 | + // Instantiates a client |
| 178 | + const language = Language(); |
| 179 | + |
| 180 | + // The text to analyze, e.g. "Hello, world!" |
| 181 | + // const text = 'Hello, world!'; |
| 182 | + |
| 183 | + // Instantiates a Document, representing the provided text |
| 184 | + const document = language.document({ content: text }); |
| 185 | + |
| 186 | + // Detects syntax in the document |
| 187 | + document.detectSyntax() |
| 188 | + .then((results) => { |
| 189 | + const syntax = results[0]; |
| 190 | + |
| 191 | + console.log('Parts of speech:'); |
| 192 | + syntax.forEach((part) => { |
| 193 | + console.log(`${part.partOfSpeech.tag}: ${part.text.content}`); |
| 194 | + console.log(`Morphology:`, part.partOfSpeech); |
| 195 | + }); |
| 196 | + }) |
| 197 | + .catch((err) => { |
| 198 | + console.error('ERROR:', err); |
| 199 | + }); |
| 200 | + // [END language_syntax_string] |
| 201 | +} |
| 202 | + |
| 203 | +function analyzeSyntaxInFile (bucketName, fileName) { |
| 204 | + // [START language_syntax_file] |
| 205 | + // Imports the Google Cloud client libraries |
| 206 | + const Language = require('@google-cloud/language'); |
| 207 | + const Storage = require('@google-cloud/storage'); |
| 208 | + |
| 209 | + // Instantiates the clients |
| 210 | + const language = Language(); |
| 211 | + const storage = Storage(); |
| 212 | + |
| 213 | + // The name of the bucket where the file resides, e.g. "my-bucket" |
| 214 | + // const bucketName = 'my-bucket'; |
| 215 | + |
| 216 | + // The name of the file to analyze, e.g. "file.txt" |
| 217 | + // const fileName = 'file.txt'; |
| 218 | + |
| 219 | + // Instantiates a Document, representing a text file in Cloud Storage |
| 220 | + const document = language.document({ |
| 221 | + // The Google Cloud Storage file |
| 222 | + content: storage.bucket(bucketName).file(fileName) |
| 223 | + }); |
| 224 | + |
| 225 | + // Detects syntax in the document |
| 226 | + document.detectSyntax() |
| 227 | + .then((results) => { |
| 228 | + const syntax = results[0]; |
| 229 | + |
| 230 | + console.log('Parts of speech:'); |
| 231 | + syntax.forEach((part) => { |
| 232 | + console.log(`${part.partOfSpeech.tag}: ${part.text.content}`); |
| 233 | + console.log(`Morphology:`, part.partOfSpeech); |
| 234 | + }); |
| 235 | + }) |
| 236 | + .catch((err) => { |
| 237 | + console.error('ERROR:', err); |
| 238 | + }); |
| 239 | + // [END language_syntax_file] |
| 240 | +} |
| 241 | + |
| 242 | +require(`yargs`) // eslint-disable-line |
| 243 | + .demand(1) |
| 244 | + .command( |
| 245 | + `sentiment-text <text>`, |
| 246 | + `Detects sentiment of a string.`, |
| 247 | + {}, |
| 248 | + (opts) => analyzeSentimentOfText(opts.text) |
| 249 | + ) |
| 250 | + .command( |
| 251 | + `sentiment-file <bucketName> <fileName>`, |
| 252 | + `Detects sentiment in a file in Google Cloud Storage.`, |
| 253 | + {}, |
| 254 | + (opts) => analyzeSentimentInFile(opts.bucketName, opts.fileName) |
| 255 | + ) |
| 256 | + .command( |
| 257 | + `entities-text <text>`, |
| 258 | + `Detects entities in a string.`, |
| 259 | + {}, |
| 260 | + (opts) => analyzeEntitiesOfText(opts.text) |
| 261 | + ) |
| 262 | + .command( |
| 263 | + `entities-file <bucketName> <fileName>`, |
| 264 | + `Detects entities in a file in Google Cloud Storage.`, |
| 265 | + {}, |
| 266 | + (opts) => analyzeEntitiesInFile(opts.bucketName, opts.fileName) |
| 267 | + ) |
| 268 | + .command( |
| 269 | + `syntax-text <text>`, |
| 270 | + `Detects syntax of a string.`, |
| 271 | + {}, |
| 272 | + (opts) => analyzeSyntaxOfText(opts.text) |
| 273 | + ) |
| 274 | + .command( |
| 275 | + `syntax-file <bucketName> <fileName>`, |
| 276 | + `Detects syntax in a file in Google Cloud Storage.`, |
| 277 | + {}, |
| 278 | + (opts) => analyzeSyntaxInFile(opts.bucketName, opts.fileName) |
| 279 | + ) |
| 280 | + .example(`node $0 sentiment-text "President Obama is speaking at the White House."`) |
| 281 | + .example(`node $0 sentiment-file my-bucket file.txt`, `Detects sentiment in gs://my-bucket/file.txt`) |
| 282 | + .example(`node $0 entities-text "President Obama is speaking at the White House."`) |
| 283 | + .example(`node $0 entities-file my-bucket file.txt`, `Detects entities in gs://my-bucket/file.txt`) |
| 284 | + .example(`node $0 syntax-text "President Obama is speaking at the White House."`) |
| 285 | + .example(`node $0 syntax-file my-bucket file.txt`, `Detects syntax in gs://my-bucket/file.txt`) |
| 286 | + .wrap(120) |
| 287 | + .recommendCommands() |
| 288 | + .epilogue(`For more information, see https://cloud.google.com/natural-language/docs`) |
| 289 | + .help() |
| 290 | + .strict() |
| 291 | + .argv; |
0 commit comments