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Commit 2bf0f07

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Allow definition of global (task) options or target specifc options
A target specific option will overwrite a global option with the same name No merge will occur! The global option WILL be overwritten!
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‎README.md‎

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@@ -163,15 +163,82 @@ Available options:
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- `vars`: variables can be used within the next option `config`, in fact `var` is a list, you can get the list by `file pattern`, `array`, `function`(return a list).
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- `config`: the config item you want to change, you can use `vars` as template variables.
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- `tasks`: the tasks you want to run.
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- `continue`: if set to `true`, you indicate that the task will not stop. ( example: watch ).
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- `continued`: if set to `true`, you indicate that the task will not stop. ( example: watch ).
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- `logBegin`: Function, return log content you want to put in front of a thread.
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- `logEnd`: Function, return log content you want to put after a thread finish.
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- `maxSpawn`: The max number of spawns that can run at the same time.
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Options can be specified globally for all `multi` targets and individually within each `multi:target`.
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##### Task options (all targets)
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```js
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//Both targets (list and constant_func) will inherit task options
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//and wiil have the vars.page_list = [ 'a', 'b', 'c' ]
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multi: {
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options : {
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vars: {
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page_list: [ 'a', 'b', 'c' ]
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}
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},
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list: {
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options: {
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config: {
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targetPage: '<%= page_list %>'
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},
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tasks: [ 'copy' ]
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}
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},
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constant_func: {
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options: {
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config: {
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targetPage: function( vars, rawConfig ){ return vars.page_list; },
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},
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tasks: [ 'copy' ]
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}
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}
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}
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```
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##### Target specific options
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```js
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//Both targets (list and constant_func) will inherit task options
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//but only list target will have vars.page_list = [ 'a', 'b', 'c' ]
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//In the constant_func target the global vars.page_list will be
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//overwritten by the target specific option vars.page_list = [ 'x', 'y', 'z' ]
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multi: {
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options : {
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vars: {
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page_list: [ 'a', 'b', 'c' ]
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}
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},
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list: {
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options: {
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config: {
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targetPage: '<%= page_list %>'
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},
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tasks: [ 'copy' ]
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}
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},
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constant_func: {
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options: {
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vars: {
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page_list: [ 'x', 'y', 'z' ]
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},
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config: {
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targetPage: function( vars, rawConfig ){ return vars.page_list; },
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},
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tasks: [ 'copy' ]
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}
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}
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}
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```
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### Specify `vars` with command
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```bash
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$ grunt multi:func --page_lista,b,c --outTargetmod2.js
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$ grunt multi:func --page_list=a,b,c --outTarget=mod2.js
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```
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Note that this will override the configuration in `gruntfile.js`.
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‎tasks/multi.js‎

Lines changed: 8 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -51,7 +51,14 @@ module.exports = function (grunt) {
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grunt.log.debug( 'Begin Multi tasks.' );
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// Get the raw `multi` config, in case the glob-patterns have been replaced by grunt automatically.
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var options = grunt.config.getRaw( this.name )[ this.target ].options;
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var taskOptions = grunt.config.getRaw( this.name ).options;
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var targetOptions = grunt.config.getRaw( this.name )[ this.target ].options;
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// Merges global task options with target specific options
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var allOptions = [{}].concat([
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grunt.util.kindOf(taskOptions) === 'object' ? taskOptions : {},
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grunt.util.kindOf(targetOptions) === 'object' ? targetOptions : {}
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]);
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var options = grunt.util._.extend.apply(null, allOptions);
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var maxSpawn = options.maxSpawn;
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var vars = options.vars;
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var logBegin = options.logBegin;

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