Feature request: it would be great if web-ext run would have a --debugging-enabled flag so I don't have to go to about:debugging and click on debug for my add-on on every start.

Here's a solution that is working very well for me.

I take the URL found when opening via about:debugging -> click on inspect and make this the starting page for web-ext via --start-url. This page should have developer tools open automatically. While I'm at it, I also use --pref to make sure that the Console tab is selected by default (the default tab is Inspector.

web-ext run \
  --target=firefox-desktop \
  --pref=devtools.toolbox.selectedTool=webconsole \
  --start-url "about:devtools-toolbox?id=EXTENSION_ID_HERE&type=extension"

Flags found here:

web-ext/src/program.js

Lines 643 to 658 in 19fdd3a

    
           'pref': { 
        
             describe: 'Launch firefox with a custom preference ' + 
        
                       '(example: --pref=general.useragent.locale=fr-FR). ' + 
        
                       'You can repeat this option to set more than one ' + 
        
                       'preference.', 
        
             demandOption: false, 
        
             requiresArg: true, 
        
             type: 'array', 
        
             coerce: coerceCLICustomPreference, 
        
           }, 
        
           'start-url': { 
        
             alias: ['u', 'url'], 
        
             describe: 'Launch firefox at specified page', 
        
             demandOption: false, 
        
             type: 'array', 
        
           },

	'pref': {
	describe: 'Launch firefox with a custom preference ' +
	'(example: --pref=general.useragent.locale=fr-FR). ' +
	'You can repeat this option to set more than one ' +
	'preference.',
	demandOption: false,
	requiresArg: true,
	type: 'array',
	coerce: coerceCLICustomPreference,
	},
	'start-url': {
	alias: ['u', 'url'],
	describe: 'Launch firefox at specified page',
	demandOption: false,
	type: 'array',
	},

Uh oh!

web-ext run should allow for starting with debugger enabled. #759

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`web-ext run` should allow for starting with debugger enabled. #759