77 lines
5.5 KiB
JavaScript
77 lines
5.5 KiB
JavaScript
"use strict";
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require("typings-global");
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const q = require("q");
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const through2 = require("through2");
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let defaultExport = (functionsToExecuteArg, executionModeArg = 'forEach') => {
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let promiseArray = [];
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let runFunction = function (functionArg, file, enc) {
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let returnValue = functionArg(file, enc);
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if (typeof returnValue !== 'undefined' && typeof returnValue.then !== 'undefined') {
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promiseArray.push(returnValue);
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}
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};
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let checkAndRunFunction = function (file, enc) {
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if (typeof functionsToExecuteArg === 'function') {
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runFunction(functionsToExecuteArg, file, enc);
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}
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else if (Array.isArray(functionsToExecuteArg)) {
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for (let anyFunction in functionsToExecuteArg) {
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runFunction(functionsToExecuteArg[anyFunction], file, enc);
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}
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}
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else {
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throw new Error('gulp-callfunction: something is strange with the given arguments');
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}
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return q.all(promiseArray);
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};
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let hasExecutedOnce = false;
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let forEach = function (file, enc, cb) {
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switch (executionModeArg) {
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case 'forEach':
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checkAndRunFunction(file, enc).then(function () {
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cb(null, file);
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});
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break;
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case 'forFirst':
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if (hasExecutedOnce) {
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checkAndRunFunction(file, enc)
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.then(function () {
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cb(null, file);
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});
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}
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else {
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cb(null, file);
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}
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hasExecutedOnce = true;
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break;
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case 'atEnd':
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cb(null, file);
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break;
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default:
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break;
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}
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};
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let atEnd = function (cb) {
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if (executionModeArg === 'atEnd') {
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checkAndRunFunction(null, null).then(function () {
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cb();
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});
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}
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else {
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cb();
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}
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};
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return through2.obj(forEach, atEnd);
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};
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exports.forEach = (funcArg) => {
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defaultExport(funcArg, 'forEach');
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};
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exports.forFirst = (funcArg) => {
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defaultExport(funcArg, 'forFirst');
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};
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exports.atEnd = (funcArg) => {
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defaultExport(funcArg, 'atEnd');
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.default = defaultExport;
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