265 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			265 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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    return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.parse = exports.stringify = exports.toJson = exports.fromJson = exports.DEFAULT_THEME = exports.plain = void 0;
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var chalk_1 = __importDefault(require("chalk"));
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/**
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 * Identity function for tokens that should not be styled (returns the input string as-is).
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 * See [[Theme]] for an example.
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 */
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var plain = function (codePart) { return codePart; };
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exports.plain = plain;
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/**
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 * The default theme. It is possible to override just individual keys.
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 */
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exports.DEFAULT_THEME = {
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    /**
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     * keyword in a regular Algol-style language
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     */
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    keyword: chalk_1.default.blue,
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    /**
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     * built-in or library object (constant, class, function)
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     */
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    built_in: chalk_1.default.cyan,
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    /**
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     * user-defined type in a language with first-class syntactically significant types, like
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     * Haskell
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     */
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    type: chalk_1.default.cyan.dim,
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    /**
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     * special identifier for a built-in value ("true", "false", "null")
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     */
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    literal: chalk_1.default.blue,
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    /**
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     * number, including units and modifiers, if any.
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     */
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    number: chalk_1.default.green,
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    /**
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     * literal regular expression
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     */
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    regexp: chalk_1.default.red,
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    /**
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     * literal string, character
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     */
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    string: chalk_1.default.red,
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    /**
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     * parsed section inside a literal string
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     */
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    subst: exports.plain,
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    /**
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     * symbolic constant, interned string, goto label
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     */
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    symbol: exports.plain,
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    /**
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     * class or class-level declaration (interfaces, traits, modules, etc)
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     */
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    class: chalk_1.default.blue,
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    /**
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     * function or method declaration
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     */
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    function: chalk_1.default.yellow,
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    /**
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     * name of a class or a function at the place of declaration
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     */
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    title: exports.plain,
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    /**
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     * block of function arguments (parameters) at the place of declaration
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     */
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    params: exports.plain,
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    /**
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     * comment
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     */
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    comment: chalk_1.default.green,
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    /**
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     * documentation markup within comments
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     */
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    doctag: chalk_1.default.green,
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    /**
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     * flags, modifiers, annotations, processing instructions, preprocessor directive, etc
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     */
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    meta: chalk_1.default.grey,
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    /**
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     * keyword or built-in within meta construct
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     */
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    'meta-keyword': exports.plain,
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    /**
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     * string within meta construct
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     */
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    'meta-string': exports.plain,
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    /**
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     * heading of a section in a config file, heading in text markup
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     */
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    section: exports.plain,
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    /**
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     * XML/HTML tag
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     */
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    tag: chalk_1.default.grey,
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    /**
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     * name of an XML tag, the first word in an s-expression
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     */
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    name: chalk_1.default.blue,
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    /**
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     * s-expression name from the language standard library
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     */
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    'builtin-name': exports.plain,
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    /**
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     * name of an attribute with no language defined semantics (keys in JSON, setting names in
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     * .ini), also sub-attribute within another highlighted object, like XML tag
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     */
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    attr: chalk_1.default.cyan,
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    /**
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     * name of an attribute followed by a structured value part, like CSS properties
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     */
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    attribute: exports.plain,
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    /**
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     * variable in a config or a template file, environment var expansion in a script
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     */
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    variable: exports.plain,
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    /**
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     * list item bullet in text markup
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     */
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    bullet: exports.plain,
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    /**
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     * code block in text markup
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     */
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    code: exports.plain,
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    /**
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     * emphasis in text markup
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     */
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    emphasis: chalk_1.default.italic,
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    /**
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     * strong emphasis in text markup
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     */
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    strong: chalk_1.default.bold,
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    /**
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     * mathematical formula in text markup
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     */
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    formula: exports.plain,
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    /**
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     * hyperlink in text markup
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     */
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    link: chalk_1.default.underline,
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    /**
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     * quotation in text markup
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     */
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    quote: exports.plain,
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    /**
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     * tag selector in CSS
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     */
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    'selector-tag': exports.plain,
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    /**
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     * #id selector in CSS
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     */
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    'selector-id': exports.plain,
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    /**
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     * .class selector in CSS
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     */
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    'selector-class': exports.plain,
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    /**
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     * [attr] selector in CSS
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     */
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    'selector-attr': exports.plain,
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    /**
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     * :pseudo selector in CSS
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     */
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    'selector-pseudo': exports.plain,
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    /**
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     * tag of a template language
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     */
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    'template-tag': exports.plain,
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    /**
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     * variable in a template language
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     */
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    'template-variable': exports.plain,
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    /**
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     * added or changed line in a diff
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     */
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    addition: chalk_1.default.green,
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    /**
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     * deleted line in a diff
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     */
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    deletion: chalk_1.default.red,
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    /**
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     * things not matched by any token
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     */
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    default: exports.plain,
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};
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/**
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 * Converts a [[JsonTheme]] with string values to a [[Theme]] with formatter functions. Used by [[parse]].
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 */
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function fromJson(json) {
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    var theme = {};
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    for (var _i = 0, _a = Object.keys(json); _i < _a.length; _i++) {
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        var key = _a[_i];
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        var style = json[key];
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        if (Array.isArray(style)) {
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            ;
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            theme[key] = style.reduce(function (previous, current) { return (current === 'plain' ? exports.plain : previous[current]); }, chalk_1.default);
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        }
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        else {
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            ;
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            theme[key] = chalk_1.default[style];
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        }
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    }
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    return theme;
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}
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exports.fromJson = fromJson;
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/**
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 * Converts a [[Theme]] with formatter functions to a [[JsonTheme]] with string values. Used by [[stringify]].
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 */
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function toJson(theme) {
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    var jsonTheme = {};
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    for (var _i = 0, _a = Object.keys(jsonTheme); _i < _a.length; _i++) {
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        var key = _a[_i];
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        var style = jsonTheme[key];
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        jsonTheme[key] = style._styles;
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    }
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    return jsonTheme;
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}
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exports.toJson = toJson;
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/**
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 * Stringifies a [[Theme]] with formatter functions to a JSON string.
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 *
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 * ```ts
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 * import chalk = require('chalk');
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 * import {stringify} from 'cli-highlight';
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 * import * as fs from 'fs';
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 *
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 * const myTheme: Theme = {
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 *     keyword: chalk.red.bold,
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 *     addition: chalk.green,
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 *     deletion: chalk.red.strikethrough,
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 *     number: plain
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 * }
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 * const json = stringify(myTheme);
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 * fs.writeFile('mytheme.json', json, (err: any) => {
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 *     if (err) throw err;
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 *     console.log('Theme saved');
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 * });
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 * ```
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 */
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function stringify(theme) {
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    return JSON.stringify(toJson(theme));
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}
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exports.stringify = stringify;
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/**
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 * Parses a JSON string into a [[Theme]] with formatter functions.
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 *
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 * ```ts
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 * import * as fs from 'fs';
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 * import {parse, highlight} from 'cli-highlight';
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 *
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 * fs.readFile('mytheme.json', 'utf8', (err: any, json: string)  => {
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 *     if (err) throw err;
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 *     const code = highlight('SELECT * FROM table', {theme: parse(json)});
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 *     console.log(code);
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 * });
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 * ```
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 */
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function parse(json) {
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    return fromJson(JSON.parse(json));
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}
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exports.parse = parse;
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//# sourceMappingURL=theme.js.map
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