@typespec/compiler/dist/src/server/language-config.js

TypeSpec compiler and standard library

/**
 * TypeSpec Language configuration. Format: https://code.visualstudio.com/api/language-extensions/language-configuration-guide
 * @hidden Typedoc causing issue with this
 */
export const TypeSpecLanguageConfiguration = {
    comments: {
        lineComment: "//",
        blockComment: ["/*", "*/"],
    },
    brackets: [
        ["{", "}"],
        ["[", "]"],
        ["(", ")"],
    ],
    autoClosingPairs: [
        { open: "{", close: "}" },
        { open: "[", close: "]" },
        { open: "(", close: ")" },
        // NOTE: autoclose for double quotes may interfere with typing """
        { open: '"', close: '"' },
        { open: "/**", close: " */", notIn: ["string"] },
    ],
    surroundingPairs: [
        { open: "{", close: "}" },
        { open: "[", close: "]" },
        { open: "(", close: ")" },
        { open: '"', close: '"' },
    ],
    // From https://github.com/microsoft/vscode/blob/main/extensions/javascript/javascript-language-configuration.json
    indentationRules: {
        decreaseIndentPattern: {
            pattern: "^((?!.*?/\\*).*\\*/)?\\s*[\\}\\]].*$",
        },
        increaseIndentPattern: {
            pattern: "^((?!//).)*(\\{([^}\"'`/]*|(\\t|[ ])*//.*)|\\([^)\"'`/]*|\\[[^\\]\"'`/]*)$",
        },
        // e.g.  * ...| or */| or *-----*/|
        unIndentedLinePattern: {
            pattern: "^(\\t|[ ])*[ ]\\*[^/]*\\*/\\s*$|^(\\t|[ ])*[ ]\\*/\\s*$|^(\\t|[ ])*[ ]\\*([ ]([^\\*]|\\*(?!/))*)?$",
        },
    },
    onEnterRules: [
        {
            // e.g. /** | */
            beforeText: {
                pattern: "^\\s*/\\*\\*(?!/)([^\\*]|\\*(?!/))*$",
            },
            afterText: {
                pattern: "^\\s*\\*/$",
            },
            action: {
                indent: "indentOutdent",
                appendText: " * ",
            },
        },
        {
            // e.g. /** ...|
            beforeText: {
                pattern: "^\\s*/\\*\\*(?!/)([^\\*]|\\*(?!/))*$",
            },
            action: {
                indent: "none",
                appendText: " * ",
            },
        },
        {
            // e.g.  * ...|
            beforeText: {
                pattern: "^(\\t|[ ])*[ ]\\*([ ]([^\\*]|\\*(?!/))*)?$",
            },
            previousLineText: {
                pattern: "(?=^(\\s*(/\\*\\*|\\*)).*)(?=(?!(\\s*\\*/)))",
            },
            action: {
                indent: "none",
                appendText: "* ",
            },
        },
        {
            // e.g.  */|
            beforeText: {
                pattern: "^(\\t|[ ])*[ ]\\*/\\s*$",
            },
            action: {
                indent: "none",
                removeText: 1,
            },
        },
        {
            // e.g.  *-----*/|
            beforeText: {
                pattern: "^(\\t|[ ])*[ ]\\*[^/]*\\*/\\s*$",
            },
            action: {
                indent: "none",
                removeText: 1,
            },
        },
    ],
};
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