95 lines
3.4 KiB
JavaScript
95 lines
3.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const pathUtil = require("path");
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const fs = require("fs");
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const fs_1 = require("fs");
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const Q = require('q');
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const mkdirp = require("mkdirp");
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const imports_1 = require("./imports");
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const validate_1 = require("./utils/validate");
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// Temporary file extensions used for atomic file overwriting.
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const newExt = '.__new__';
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function validateInput(methodName, path, data, options) {
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const methodSignature = methodName + '(path, data, [options])';
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validate_1.validateArgument(methodSignature, 'path', path, ['string']);
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validate_1.validateArgument(methodSignature, 'data', data, ['string', 'buffer', 'object', 'array']);
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validate_1.validateOptions(methodSignature, 'options', options, {
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atomic: ['boolean'],
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jsonIndent: ['number'],
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progress: ['function']
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});
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}
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exports.validateInput = validateInput;
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;
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const toJson = (data, jsonIndent) => {
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if (typeof data === 'object'
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&& !Buffer.isBuffer(data)
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&& data !== null) {
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return imports_1.json.serialize(data, null, typeof jsonIndent !== 'number' ? 2 : jsonIndent);
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}
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return data;
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};
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// ---------------------------------------------------------
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// SYNC
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// ---------------------------------------------------------
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const _writeFileSync = (path, data, options) => {
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try {
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fs_1.writeFileSync(path, data, options);
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}
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catch (err) {
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if (err.code === 'ENOENT') {
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// Means parent directory doesn't exist, so create it and try again.
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mkdirp.sync(pathUtil.dirname(path));
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fs.writeFileSync(path, data, options);
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}
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else {
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throw err;
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}
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}
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};
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const writeAtomicSync = (path, data, options) => {
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return imports_1.file.write_atomic(path + newExt, data, options, function () { });
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};
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function sync(path, data, options) {
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const opts = options || {};
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const processedData = toJson(data, opts.jsonIndent);
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const writeStrategy = opts.atomic ? writeAtomicSync : _writeFileSync;
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writeStrategy(path, processedData, { mode: opts.mode });
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}
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exports.sync = sync;
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;
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// ---------------------------------------------------------
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// ASYNC
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// ---------------------------------------------------------
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const promisedWriteFile = Q.denodeify(fs.writeFile);
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const promisedMkdirp = Q.denodeify(mkdirp);
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const promisedAtomic = Q.denodeify(writeAtomicSync);
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function writeFileAsync(path, data, options) {
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return new Promise((resolve, reject) => {
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promisedWriteFile(path, data, options)
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.then(resolve)
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.catch((err) => {
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// First attempt to write a file ended with error.
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// Check if this is not due to nonexistent parent directory.
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if (err.code === 'ENOENT') {
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// Parent directory doesn't exist, so create it and try again.
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promisedMkdirp(pathUtil.dirname(path))
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.then(() => promisedWriteFile(path, data, options))
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.then(resolve, reject);
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}
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else {
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// Nope, some other error, throw it.
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reject(err);
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}
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});
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});
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}
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;
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function async(path, data, options) {
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const opts = options || {};
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const processedData = toJson(data, opts.jsonIndent);
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return (opts.atomic ? promisedAtomic : writeFileAsync)(path, processedData, { mode: opts.mode });
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}
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exports.async = async;
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;
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//# sourceMappingURL=write.js.map
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