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