2020/04/03, 02:34, v1.2.0

1 files changed, 205 insertions, 0 deletions

diff --git a/node_modules/node-pre-gyp/lib/util/napi.js b/node_modules/node-pre-gyp/lib/util/napi.js
new file mode 100644
index 0000000..a9d1e20
--- /dev/null
+++ b/node_modules/node-pre-gyp/lib/util/napi.js
@@ -0,0 +1,205 @@
+"use strict";
+
+var fs = require('fs');
+
+module.exports = exports;
+
+var versionArray = process.version
+	.substr(1)
+	.replace(/-.*$/, '')
+	.split('.')
+	.map(function(item) {
+		return +item;
+	});
+
+var napi_multiple_commands = [
+	'build',
+	'clean',
+	'configure',
+	'package',
+	'publish',
+	'reveal',
+	'testbinary',
+	'testpackage',
+	'unpublish'
+];
+
+var napi_build_version_tag = 'napi_build_version=';
+
+module.exports.get_napi_version = function(target) { // target may be undefined
+	// returns the non-zero numeric napi version or undefined if napi is not supported.
+	// correctly supporting target requires an updated cross-walk
+	var version = process.versions.napi; // can be undefined
+	if (!version) { // this code should never need to be updated
+		if (versionArray[0] === 9 && versionArray[1] >= 3) version = 2; // 9.3.0+
+		else if (versionArray[0] === 8) version = 1; // 8.0.0+
+	}
+	return version;
+};
+
+module.exports.get_napi_version_as_string = function(target) {
+	// returns the napi version as a string or an empty string if napi is not supported.
+	var version = module.exports.get_napi_version(target);
+	return version ? ''+version : '';
+};
+
+module.exports.validate_package_json = function(package_json, opts) { // throws Error
+
+	var binary = package_json.binary;
+	var module_path_ok = pathOK(binary.module_path);
+	var remote_path_ok = pathOK(binary.remote_path);
+	var package_name_ok = pathOK(binary.package_name);
+	var napi_build_versions = module.exports.get_napi_build_versions(package_json,opts,true);
+	var napi_build_versions_raw = module.exports.get_napi_build_versions_raw(package_json);
+
+	if (napi_build_versions) {
+		napi_build_versions.forEach(function(napi_build_version){
+			if (!(parseInt(napi_build_version,10) === napi_build_version && napi_build_version > 0)) {
+				throw new Error("All values specified in napi_versions must be positive integers.");
+			}
+		});
+	}
+
+	if (napi_build_versions && (!module_path_ok || (!remote_path_ok && !package_name_ok))) {
+		throw new Error("When napi_versions is specified; module_path and either remote_path or " +
+			"package_name must contain the substitution string '{napi_build_version}`.");
+	}
+
+	if ((module_path_ok || remote_path_ok || package_name_ok) && !napi_build_versions_raw) {
+		throw new Error("When the substitution string '{napi_build_version}` is specified in " +
+			"module_path, remote_path, or package_name; napi_versions must also be specified.");
+	}
+
+	if (napi_build_versions && !module.exports.get_best_napi_build_version(package_json, opts) && 
+	module.exports.build_napi_only(package_json)) {
+		throw new Error(
+			'The N-API version of this Node instance is ' + module.exports.get_napi_version(opts ? opts.target : undefined) + '. ' +
+			'This module supports N-API version(s) ' + module.exports.get_napi_build_versions_raw(package_json) + '. ' +
+			'This Node instance cannot run this module.');
+	}
+
+	if (napi_build_versions_raw && !napi_build_versions && module.exports.build_napi_only(package_json)) {
+		throw new Error(
+			'The N-API version of this Node instance is ' + module.exports.get_napi_version(opts ? opts.target : undefined) + '. ' +
+			'This module supports N-API version(s) ' + module.exports.get_napi_build_versions_raw(package_json) + '. ' +
+			'This Node instance cannot run this module.');
+	}
+
+};
+
+function pathOK (path) {
+	return path && (path.indexOf('{napi_build_version}') !== -1 || path.indexOf('{node_napi_label}') !== -1);
+}
+
+module.exports.expand_commands = function(package_json, opts, commands) {
+	var expanded_commands = [];
+	var napi_build_versions = module.exports.get_napi_build_versions(package_json, opts);
+	commands.forEach(function(command){
+		if (napi_build_versions && command.name === 'install') {
+			var napi_build_version = module.exports.get_best_napi_build_version(package_json, opts);
+			var args = napi_build_version ? [ napi_build_version_tag+napi_build_version ] : [ ];
+			expanded_commands.push ({ name: command.name, args: args });
+		} else if (napi_build_versions && napi_multiple_commands.indexOf(command.name) !== -1) {
+			napi_build_versions.forEach(function(napi_build_version){
+				var args = command.args.slice();
+				args.push (napi_build_version_tag+napi_build_version);
+				expanded_commands.push ({ name: command.name, args: args });
+			});
+		} else {
+			expanded_commands.push (command);
+		}
+	});
+	return expanded_commands;
+};
+
+module.exports.get_napi_build_versions = function(package_json, opts, warnings) { // opts may be undefined
+	var log = require('npmlog');
+	var napi_build_versions = [];
+	var supported_napi_version = module.exports.get_napi_version(opts ? opts.target : undefined);
+	// remove duplicates, verify each napi version can actaully be built
+	if (package_json.binary && package_json.binary.napi_versions) {
+		package_json.binary.napi_versions.forEach(function(napi_version) {
+			var duplicated = napi_build_versions.indexOf(napi_version) !== -1;
+			if (!duplicated && supported_napi_version && napi_version <= supported_napi_version) {
+				napi_build_versions.push(napi_version);
+			} else if (warnings && !duplicated && supported_napi_version) {
+				log.info('This Node instance does not support builds for N-API version', napi_version);
+			}
+		});
+	}
+	if (opts && opts["build-latest-napi-version-only"]) {
+		var latest_version = 0;
+		napi_build_versions.forEach(function(napi_version) {
+			if (napi_version > latest_version) latest_version = napi_version;
+		});
+		napi_build_versions = latest_version ? [ latest_version ] : [];
+	}
+	return napi_build_versions.length ? napi_build_versions : undefined;
+};
+
+module.exports.get_napi_build_versions_raw = function(package_json) {
+	var napi_build_versions = [];
+	// remove duplicates
+	if (package_json.binary && package_json.binary.napi_versions) {
+		package_json.binary.napi_versions.forEach(function(napi_version) {
+			if (napi_build_versions.indexOf(napi_version) === -1) {
+				napi_build_versions.push(napi_version);
+			}
+		});
+	}
+	return napi_build_versions.length ? napi_build_versions : undefined;
+};
+
+module.exports.get_command_arg = function(napi_build_version) {
+	return napi_build_version_tag + napi_build_version;
+};
+
+module.exports.get_napi_build_version_from_command_args = function(command_args) {
+	for (var i = 0; i < command_args.length; i++) {
+		var arg = command_args[i];
+		if (arg.indexOf(napi_build_version_tag) === 0) {
+			return parseInt(arg.substr(napi_build_version_tag.length),10);
+		}
+	}
+	return undefined;
+};
+
+module.exports.swap_build_dir_out = function(napi_build_version) {
+	if (napi_build_version) {
+		var rm = require('rimraf');
+		rm.sync(module.exports.get_build_dir(napi_build_version));
+		fs.renameSync('build', module.exports.get_build_dir(napi_build_version));
+	}
+};
+
+module.exports.swap_build_dir_in = function(napi_build_version) {
+	if (napi_build_version) {
+		var rm = require('rimraf');
+		rm.sync('build');
+		fs.renameSync(module.exports.get_build_dir(napi_build_version), 'build');
+	}
+};
+
+module.exports.get_build_dir = function(napi_build_version) {
+	return 'build-tmp-napi-v'+napi_build_version;
+};
+
+module.exports.get_best_napi_build_version = function(package_json, opts) {
+	var best_napi_build_version = 0;
+	var napi_build_versions = module.exports.get_napi_build_versions (package_json, opts);
+	if (napi_build_versions) {
+		var our_napi_version = module.exports.get_napi_version(opts ? opts.target : undefined);
+		napi_build_versions.forEach(function(napi_build_version){
+			if (napi_build_version > best_napi_build_version &&
+				napi_build_version <= our_napi_version) {
+				best_napi_build_version = napi_build_version;
+			}
+		});
+	}
+	return best_napi_build_version === 0 ? undefined : best_napi_build_version;
+};
+
+module.exports.build_napi_only = function(package_json) {
+	return package_json.binary && package_json.binary.package_name && 
+	package_json.binary.package_name.indexOf('{node_napi_label}') === -1;
+};
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