150 lines
3.6 KiB
JavaScript
150 lines
3.6 KiB
JavaScript
'use strict';
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const _ = require('lodash');
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const async = require('async');
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const glob = require('glob');
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const path = require('path');
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const file = require('../common/file');
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const mapping = require('../common/mapping');
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const util = require('../common/util');
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const templatePath = path.join(__dirname, 'template/modules');
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const template = file.globTemplate(path.join(templatePath, '*.jst'));
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const aryMethods = _.union(
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mapping.aryMethod[1],
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mapping.aryMethod[2],
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mapping.aryMethod[3],
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mapping.aryMethod[4]
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);
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const categories = [
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'array',
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'collection',
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'date',
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'function',
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'lang',
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'math',
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'number',
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'object',
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'seq',
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'string',
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'util'
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];
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const ignored = [
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'_*.js',
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'core.js',
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'core.min.js',
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'fp.js',
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'index.js',
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'lodash.js',
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'lodash.min.js'
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];
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/**
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* Checks if `name` is a method alias.
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*
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* @private
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* @param {string} name The name to check.
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* @returns {boolean} Returns `true` if `name` is a method alias, else `false`.
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*/
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function isAlias(name) {
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return _.has(mapping.aliasToReal, name);
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}
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/**
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* Checks if `name` is a category name.
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*
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* @private
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* @param {string} name The name to check.
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* @returns {boolean} Returns `true` if `name` is a category name, else `false`.
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*/
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function isCategory(name) {
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return _.includes(categories, name);
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}
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/**
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* Checks if `name` belongs to a method that's passed thru and not wrapped.
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*
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* @private
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* @param {string} name The name to check.
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* @returns {boolean} Returns `true` if `name` is of a pass thru method,
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* else `false`.
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*/
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function isThru(name) {
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return !_.includes(aryMethods, name);
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}
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/**
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* Gets metadata for `func`.
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*
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* @private
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* @param {Function} func The function to query.
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* @returns {*} Returns the metadata for `func`.
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*/
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function getTemplate(moduleName) {
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const data = {
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'name': _.get(mapping.aliasToReal, moduleName, moduleName),
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'mapping': mapping
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};
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if (isAlias(moduleName)) {
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return template.alias(data);
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}
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if (isCategory(moduleName)) {
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return template.category(data);
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}
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if (isThru(moduleName)) {
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return template.thru(data);
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}
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return template.module(data);
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}
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/*----------------------------------------------------------------------------*/
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/**
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* Creates FP modules at the `target` path.
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*
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* @private
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* @param {string} target The output directory path.
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*/
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function build(target) {
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target = path.resolve(target);
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const fpPath = path.join(target, 'fp');
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// Glob existing lodash module paths.
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const modulePaths = glob.sync(path.join(target, '*.js'), {
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'nodir': true,
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'ignore': ignored.map(filename => {
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return path.join(target, filename);
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})
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});
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// Add FP alias and remapped module paths.
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_.each([mapping.aliasToReal, mapping.remap], data => {
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_.forOwn(data, (realName, alias) => {
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const modulePath = path.join(target, alias + '.js');
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if (!_.includes(modulePaths, modulePath)) {
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modulePaths.push(modulePath);
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}
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});
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});
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const actions = modulePaths.map(modulePath => {
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const moduleName = path.basename(modulePath, '.js');
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return file.write(path.join(fpPath, moduleName + '.js'), getTemplate(moduleName));
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});
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actions.unshift(file.copy(path.join(__dirname, '../../fp'), fpPath));
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actions.push(file.write(path.join(fpPath, '_falseOptions.js'), template._falseOptions()));
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actions.push(file.write(path.join(fpPath, '_util.js'), template._util()));
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actions.push(file.write(path.join(target, 'fp.js'), template.fp()));
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actions.push(file.write(path.join(fpPath, 'convert.js'), template.convert()));
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async.series(actions, util.pitch);
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}
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build(_.last(process.argv));
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