feat(unstable): initial support for npm specifiers (#15484)

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>

2 files changed, 487 insertions, 0 deletions

diff --git a/cli/tests/testdata/npm/registry/has-flag/has-flag-4.0.0.tgz b/cli/tests/testdata/npm/registry/has-flag/has-flag-4.0.0.tgz
new file mode 100644
index 000000000..509ae0c0f
--- /dev/null
+++ b/cli/tests/testdata/npm/registry/has-flag/has-flag-4.0.0.tgz
diff --git a/cli/tests/testdata/npm/registry/has-flag/registry.json b/cli/tests/testdata/npm/registry/has-flag/registry.json
new file mode 100644
index 000000000..c9de2b43b
--- /dev/null
+++ b/cli/tests/testdata/npm/registry/has-flag/registry.json
@@ -0,0 +1,487 @@
+{
+  "_id": "has-flag",
+  "_rev": "16-c315872d5b8ffee8fecd0e69c571f1aa",
+  "name": "has-flag",
+  "description": "Check if argv has a specific flag",
+  "dist-tags": { "latest": "5.0.1" },
+  "versions": {
+    "1.0.0": {
+      "name": "has-flag",
+      "version": "1.0.0",
+      "description": "Check if argv has a specific flag",
+      "license": "MIT",
+      "repository": {
+        "type": "git",
+        "url": "git+https://github.com/sindresorhus/has-flag.git"
+      },
+      "author": {
+        "name": "Sindre Sorhus",
+        "email": "sindresorhus@gmail.com",
+        "url": "sindresorhus.com"
+      },
+      "maintainers": [
+        {
+          "name": "Sindre Sorhus",
+          "email": "sindresorhus@gmail.com",
+          "url": "sindresorhus.com"
+        },
+        {
+          "name": "Joshua Appelman",
+          "email": "jappelman@xebia.com",
+          "url": "jbnicolai.com"
+        },
+        {
+          "name": "JD Ballard",
+          "email": "i.am.qix@gmail.com",
+          "url": "github.com/qix-"
+        }
+      ],
+      "engines": { "node": ">=0.10.0" },
+      "scripts": { "test": "node test.js" },
+      "files": ["index.js"],
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+        "find",
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+        "process",
+        "arg",
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+        "argument",
+        "arguments",
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+      "_nodeVersion": "0.12.5",
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+      "version": "2.0.0",
+      "description": "Check if argv has a specific flag",
+      "license": "MIT",
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+        "type": "git",
+        "url": "git+https://github.com/sindresorhus/has-flag.git"
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+      "author": {
+        "name": "Sindre Sorhus",
+        "email": "sindresorhus@gmail.com",
+        "url": "sindresorhus.com"
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+      "scripts": { "test": "xo && ava" },
+      "files": ["index.js"],
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+        "check",
+        "detect",
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+        "find",
+        "flag",
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+        "command-line",
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+        "process",
+        "arg",
+        "args",
+        "argument",
+        "arguments",
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+  "readme": "# has-flag\n\n> Check if [`argv`](https://nodejs.org/docs/latest/api/process.html#process_process_argv) has a specific flag\n\n## Install\n\n```\n$ npm install has-flag\n```\n\n## Usage\n\n```js\n// foo.js\nimport hasFlag from 'has-flag';\n\nhasFlag('unicorn');\n//=> true\n\nhasFlag('--unicorn');\n//=> true\n\nhasFlag('f');\n//=> true\n\nhasFlag('-f');\n//=> true\n\nhasFlag('foo=bar');\n//=> true\n\nhasFlag('foo');\n//=> false\n\nhasFlag('rainbow');\n//=> false\n```\n\n```\n$ node foo.js -f --unicorn --foo=bar -- --rainbow\n```\n\n## API\n\n### hasFlag(flag, argv?)\n\nReturns a boolean for whether the flag exists.\n\nIt correctly stops looking after an `--` argument terminator.\n\n#### flag\n\nType: `string`\n\nCLI flag to look for. The `--` prefix is optional.\n\n#### argv\n\nType: `string[]`\\\nDefault: `process.argv`\n\nCLI arguments.\n\n---\n\n<div align=\"center\">\n\t<b>\n\t\t<a href=\"https://tidelift.com/subscription/pkg/npm-has-flag?utm_source=npm-has-flag&utm_medium=referral&utm_campaign=readme\">Get professional support for this package with a Tidelift subscription</a>\n\t</b>\n\t<br>\n\t<sub>\n\t\tTidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.\n\t</sub>\n</div>\n",
+  "maintainers": [
+    { "name": "sindresorhus", "email": "sindresorhus@gmail.com" }
+  ],
+  "time": {
+    "modified": "2022-06-18T19:25:24.129Z",
+    "created": "2015-07-07T22:43:54.339Z",
+    "1.0.0": "2015-07-07T22:43:54.339Z",
+    "2.0.0": "2016-04-11T15:47:58.270Z",
+    "3.0.0": "2018-01-02T19:21:56.098Z",
+    "4.0.0": "2019-04-06T15:49:21.907Z",
+    "5.0.0": "2021-04-16T07:50:13.326Z",
+    "5.0.1": "2021-07-19T17:30:54.122Z"
+  },
+  "homepage": "https://github.com/sindresorhus/has-flag#readme",
+  "keywords": [
+    "has",
+    "check",
+    "detect",
+    "contains",
+    "find",
+    "flag",
+    "cli",
+    "command-line",
+    "argv",
+    "process",
+    "arg",
+    "args",
+    "argument",
+    "arguments",
+    "getopt",
+    "minimist",
+    "optimist"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/sindresorhus/has-flag.git"
+  },
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "https://sindresorhus.com"
+  },
+  "bugs": { "url": "https://github.com/sindresorhus/has-flag/issues" },
+  "license": "MIT",
+  "readmeFilename": "readme.md",
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