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[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / eslint / lib / init / config-file.js

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/init/config-file.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/init/config-file.js
new file mode 100644 (file)
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+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/init/config-file.js
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+/**
+ * @fileoverview Helper to locate and load configuration files.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = require("fs"),
+    path = require("path"),
+    stringify = require("json-stable-stringify-without-jsonify");
+
+const debug = require("debug")("eslint:config-file");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Determines sort order for object keys for json-stable-stringify
+ *
+ * see: https://github.com/samn/json-stable-stringify#cmp
+ * @param   {Object} a The first comparison object ({key: akey, value: avalue})
+ * @param   {Object} b The second comparison object ({key: bkey, value: bvalue})
+ * @returns {number}   1 or -1, used in stringify cmp method
+ */
+function sortByKey(a, b) {
+    return a.key > b.key ? 1 : -1;
+}
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * Writes a configuration file in JSON format.
+ * @param {Object} config The configuration object to write.
+ * @param {string} filePath The filename to write to.
+ * @returns {void}
+ * @private
+ */
+function writeJSONConfigFile(config, filePath) {
+    debug(`Writing JSON config file: ${filePath}`);
+
+    const content = stringify(config, { cmp: sortByKey, space: 4 });
+
+    fs.writeFileSync(filePath, content, "utf8");
+}
+
+/**
+ * Writes a configuration file in YAML format.
+ * @param {Object} config The configuration object to write.
+ * @param {string} filePath The filename to write to.
+ * @returns {void}
+ * @private
+ */
+function writeYAMLConfigFile(config, filePath) {
+    debug(`Writing YAML config file: ${filePath}`);
+
+    // lazy load YAML to improve performance when not used
+    const yaml = require("js-yaml");
+
+    const content = yaml.safeDump(config, { sortKeys: true });
+
+    fs.writeFileSync(filePath, content, "utf8");
+}
+
+/**
+ * Writes a configuration file in JavaScript format.
+ * @param {Object} config The configuration object to write.
+ * @param {string} filePath The filename to write to.
+ * @throws {Error} If an error occurs linting the config file contents.
+ * @returns {void}
+ * @private
+ */
+function writeJSConfigFile(config, filePath) {
+    debug(`Writing JS config file: ${filePath}`);
+
+    let contentToWrite;
+    const stringifiedContent = `module.exports = ${stringify(config, { cmp: sortByKey, space: 4 })};`;
+
+    try {
+        const { CLIEngine } = require("../cli-engine");
+        const linter = new CLIEngine({
+            baseConfig: config,
+            fix: true,
+            useEslintrc: false
+        });
+        const report = linter.executeOnText(stringifiedContent);
+
+        contentToWrite = report.results[0].output || stringifiedContent;
+    } catch (e) {
+        debug("Error linting JavaScript config file, writing unlinted version");
+        const errorMessage = e.message;
+
+        contentToWrite = stringifiedContent;
+        e.message = "An error occurred while generating your JavaScript config file. ";
+        e.message += "A config file was still generated, but the config file itself may not follow your linting rules.";
+        e.message += `\nError: ${errorMessage}`;
+        throw e;
+    } finally {
+        fs.writeFileSync(filePath, contentToWrite, "utf8");
+    }
+}
+
+/**
+ * Writes a configuration file.
+ * @param {Object} config The configuration object to write.
+ * @param {string} filePath The filename to write to.
+ * @returns {void}
+ * @throws {Error} When an unknown file type is specified.
+ * @private
+ */
+function write(config, filePath) {
+    switch (path.extname(filePath)) {
+        case ".js":
+            writeJSConfigFile(config, filePath);
+            break;
+
+        case ".json":
+            writeJSONConfigFile(config, filePath);
+            break;
+
+        case ".yaml":
+        case ".yml":
+            writeYAMLConfigFile(config, filePath);
+            break;
+
+        default:
+            throw new Error("Can't write to unknown file type.");
+    }
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+    write
+};