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84 lines
2.7 KiB
84 lines
2.7 KiB
4 years ago
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const quote_1 = require("./quote");
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const function_1 = require("./function");
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const array_1 = require("./array");
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/**
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* Transform an object into a string.
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*/
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exports.objectToString = (value, space, next, key) => {
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if (typeof Buffer === "function" && Buffer.isBuffer(value)) {
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return `new Buffer(${next(value.toString())})`;
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}
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// Use the internal object string to select stringify method.
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const toString = OBJECT_TYPES[Object.prototype.toString.call(value)];
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return toString ? toString(value, space, next, key) : undefined;
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};
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/**
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* Stringify an object of keys and values.
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*/
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const rawObjectToString = (obj, indent, next) => {
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const eol = indent ? "\n" : "";
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const space = indent ? " " : "";
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// Iterate over object keys and concat string together.
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const values = Object.keys(obj)
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.reduce(function (values, key) {
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const fn = obj[key];
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const result = next(fn, key);
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// Omit `undefined` object entries.
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if (result === undefined)
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return values;
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// String format the value data.
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const value = result.split("\n").join(`\n${indent}`);
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// Skip `key` prefix for function parser.
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if (function_1.USED_METHOD_KEY.has(fn)) {
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values.push(`${indent}${value}`);
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return values;
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}
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values.push(`${indent}${quote_1.quoteKey(key, next)}:${space}${value}`);
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return values;
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}, [])
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.join(`,${eol}`);
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// Avoid new lines in an empty object.
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if (values === "")
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return "{}";
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return `{${eol}${values}${eol}}`;
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};
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/**
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* Stringify global variable access.
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*/
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const globalToString = (value, space, next) => {
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return `Function(${next("return this")})()`;
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};
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/**
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* Convert JavaScript objects into strings.
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*/
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const OBJECT_TYPES = {
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"[object Array]": array_1.arrayToString,
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"[object Object]": rawObjectToString,
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"[object Error]": (error, space, next) => {
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return `new Error(${next(error.message)})`;
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},
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"[object Date]": (date) => {
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return `new Date(${date.getTime()})`;
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},
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"[object String]": (str, space, next) => {
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return `new String(${next(str.toString())})`;
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},
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"[object Number]": (num) => {
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return `new Number(${num})`;
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},
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"[object Boolean]": (bool) => {
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return `new Boolean(${bool})`;
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},
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"[object Set]": (set, space, next) => {
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return `new Set(${next(Array.from(set))})`;
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},
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"[object Map]": (map, space, next) => {
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return `new Map(${next(Array.from(map))})`;
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},
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"[object RegExp]": String,
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"[object global]": globalToString,
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"[object Window]": globalToString
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};
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//# sourceMappingURL=object.js.map
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