53 lines
1.6 KiB
Java
53 lines
1.6 KiB
Java
/**
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* @author Toru Nagashima
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* See LICENSE file in root directory for full license.
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*/
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"use strict"
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const path = require("path")
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const resolve = require("resolve")
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const getResolvePaths = require("./get-resolve-paths")
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const getTryExtensions = require("./get-try-extensions")
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const ImportTarget = require("./import-target")
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const stripImportPathParams = require("./strip-import-path-params")
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const MODULE_TYPE = /^(?:Import|Export(?:Named|Default|All))Declaration$/u
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/**
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* Gets a list of `import`/`export` declaration targets.
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*
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* Core modules of Node.js (e.g. `fs`, `http`) are excluded.
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*
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* @param {RuleContext} context - The rule context.
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* @param {ASTNode} programNode - The node of Program.
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* @param {boolean} includeCore - The flag to include core modules.
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* @returns {ImportTarget[]} A list of found target's information.
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*/
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module.exports = function getImportExportTargets(
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context,
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programNode,
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includeCore
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) {
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const retv = []
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const basedir = path.dirname(path.resolve(context.getFilename()))
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const paths = getResolvePaths(context)
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const extensions = getTryExtensions(context)
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const options = { basedir, paths, extensions }
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for (const statement of programNode.body) {
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// Skip if it's not a module declaration.
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if (!MODULE_TYPE.test(statement.type)) {
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continue
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}
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// Gets the target module.
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const node = statement.source
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const name = node && stripImportPathParams(node.value)
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if (name && (includeCore || !resolve.isCore(name))) {
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retv.push(new ImportTarget(node, name, options))
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}
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}
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return retv
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}
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