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"https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz", "sha": "fc91f6b9c7ba15c857f4cb2c5defeec39d4f410a", "registry": "npmjs" } }, "_attachments": { "validate-npm-package-license-3.0.3.tgz": { "shasum": "81643bcbef1bdfecd4623793dc4648948ba98338" }, "validate-npm-package-license-3.0.4.tgz": { "shasum": "fc91f6b9c7ba15c857f4cb2c5defeec39d4f410a" } }, "_rev": "15-f1b5bf2486b3e69b", "_id": "validate-npm-package-license", "readme": "validate-npm-package-license\n============================\n\nGive me a string and I'll tell you if it's a valid npm package license string.\n\n```javascript\nvar valid = require('validate-npm-package-license');\n```\n\nSPDX license identifiers are valid license strings:\n\n```javascript\n\nvar assert = require('assert');\nvar validSPDXExpression = {\n validForNewPackages: true,\n validForOldPackages: true,\n spdx: true\n};\n\nassert.deepEqual(valid('MIT'), validSPDXExpression);\nassert.deepEqual(valid('BSD-2-Clause'), validSPDXExpression);\nassert.deepEqual(valid('Apache-2.0'), validSPDXExpression);\nassert.deepEqual(valid('ISC'), validSPDXExpression);\n```\nThe function will return a warning and suggestion for nearly-correct license identifiers:\n\n```javascript\nassert.deepEqual(\n valid('Apache 2.0'),\n {\n validForOldPackages: false,\n validForNewPackages: false,\n warnings: [\n 'license should be ' +\n 'a valid SPDX license expression (without \"LicenseRef\"), ' +\n '\"UNLICENSED\", or ' +\n '\"SEE LICENSE IN \"',\n 'license is similar to the valid expression \"Apache-2.0\"'\n ]\n }\n);\n```\n\nSPDX expressions are valid, too ...\n\n```javascript\n// Simple SPDX license expression for dual licensing\nassert.deepEqual(\n valid('(GPL-3.0-only OR BSD-2-Clause)'),\n validSPDXExpression\n);\n```\n\n... except if they contain `LicenseRef`:\n\n```javascript\nvar warningAboutLicenseRef = {\n validForOldPackages: false,\n validForNewPackages: false,\n spdx: true,\n warnings: [\n 'license should be ' +\n 'a valid SPDX license expression (without \"LicenseRef\"), ' +\n '\"UNLICENSED\", or ' +\n '\"SEE LICENSE IN \"',\n ]\n};\n\nassert.deepEqual(\n valid('LicenseRef-Made-Up'),\n warningAboutLicenseRef\n);\n\nassert.deepEqual(\n valid('(MIT OR LicenseRef-Made-Up)'),\n warningAboutLicenseRef\n);\n```\n\nIf you can't describe your licensing terms with standardized SPDX identifiers, put the terms in a file in the package and point users there:\n\n```javascript\nassert.deepEqual(\n valid('SEE LICENSE IN LICENSE.txt'),\n {\n validForNewPackages: true,\n validForOldPackages: true,\n inFile: 'LICENSE.txt'\n }\n);\n\nassert.deepEqual(\n valid('SEE LICENSE IN license.md'),\n {\n validForNewPackages: true,\n validForOldPackages: true,\n inFile: 'license.md'\n }\n);\n```\n\nIf there aren't any licensing terms, use `UNLICENSED`:\n\n```javascript\nvar unlicensed = {\n validForNewPackages: true,\n validForOldPackages: true,\n unlicensed: true\n};\nassert.deepEqual(valid('UNLICENSED'), unlicensed);\nassert.deepEqual(valid('UNLICENCED'), unlicensed);\n```" }