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feat: root module is less prone to be wrapped in IIFE
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| /* | ||
| MIT License http://www.opensource.org/licenses/mit-license.php | ||
| Author Tobias Koppers @sokra | ||
| */ | ||
|
|
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| "use strict"; | ||
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| /** @typedef {import("eslint-scope").Reference} Reference */ | ||
| /** @typedef {import("eslint-scope").Variable} Variable */ | ||
| /** @typedef {import("../javascript/JavascriptParser").AnyNode} AnyNode */ | ||
| /** @typedef {import("../javascript/JavascriptParser").Program} Program */ | ||
|
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| /** | ||
| * @param {Variable} variable variable | ||
| * @returns {Reference[]} references | ||
| */ | ||
| const getAllReferences = variable => { | ||
| let set = variable.references; | ||
| // Look for inner scope variables too (like in class Foo { t() { Foo } }) | ||
| const identifiers = new Set(variable.identifiers); | ||
| for (const scope of variable.scope.childScopes) { | ||
| for (const innerVar of scope.variables) { | ||
| if (innerVar.identifiers.some(id => identifiers.has(id))) { | ||
| set = set.concat(innerVar.references); | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| return set; | ||
| }; | ||
|
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| /** | ||
| * @param {Program | Program[]} ast ast | ||
| * @param {AnyNode} node node | ||
| * @returns {undefined | AnyNode[]} result | ||
| */ | ||
| const getPathInAst = (ast, node) => { | ||
| if (ast === node) { | ||
| return []; | ||
| } | ||
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| const nr = node.range; | ||
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| const enterNode = n => { | ||
| if (!n) return undefined; | ||
| const r = n.range; | ||
| if (r) { | ||
| if (r[0] <= nr[0] && r[1] >= nr[1]) { | ||
| const path = getPathInAst(n, node); | ||
| if (path) { | ||
| path.push(n); | ||
| return path; | ||
| } | ||
| } | ||
| } | ||
| return undefined; | ||
| }; | ||
|
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| if (Array.isArray(ast)) { | ||
| for (let i = 0; i < ast.length; i++) { | ||
| const enterResult = enterNode(ast[i]); | ||
| if (enterResult !== undefined) return enterResult; | ||
| } | ||
| } else if (ast && typeof ast === "object") { | ||
| const keys = Object.keys(ast); | ||
| for (let i = 0; i < keys.length; i++) { | ||
| const value = ast[keys[i]]; | ||
| if (Array.isArray(value)) { | ||
| const pathResult = getPathInAst(value, node); | ||
| if (pathResult !== undefined) return pathResult; | ||
| } else if (value && typeof value === "object") { | ||
| const enterResult = enterNode(value); | ||
| if (enterResult !== undefined) return enterResult; | ||
| } | ||
| } | ||
| } | ||
| }; | ||
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| module.exports = { getAllReferences, getPathInAst }; |
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