power-assert-context-reducer-ast

powerAssertContext reducer function to parse assertion expression at runtime.

Use this function when transpiler side does not add ast, tokens and visitorKeys at compile time.

API

var appendAst = require('power-assert-context-reducer-ast');

var appendedContext = appendAst(powerAssertContext);

Given powerAssertContext object, having structure below but does not have ast, tokens and visitorKeys, append them to output context.

input:

{
    source: {
        content: 'assert(foo === bar)',
        filepath: 'test/some_test.js',
        line: 1
    },
    args: [
        {
            value: false,
            events: [
                {
                    value: "FOO",
                    espath: "arguments/0/left"
                },
                {
                    value: "BAR",
                    espath: "arguments/0/right"
                },
                {
                    value: false,
                    espath: "arguments/0"
                }
            ]
        }
    ]
}

output:

{
    source: {
        content: 'assert(foo === bar)',
        filepath: 'test/some_test.js',
        line: 1,
        ast: '### JSON representation of AST nodes ###',
        tokens: '### JSON representation of AST tokens ###',
        visitorKeys: '### JSON representation of AST visitor keys ###'
    },
    args: [
        {
            value: false,
            events: [
                {
                    value: "FOO",
                    espath: "arguments/0/left"
                },
                {
                    value: "BAR",
                    espath: "arguments/0/right"
                },
                {
                    value: false,
                    espath: "arguments/0"
                }
            ]
        }
    ]
}

INSTALL

$ npm install --save-dev power-assert-context-reducer-ast

AUTHOR

• Takuto Wada

CONTRIBUTORS

• Haoliang Gao (popomore)

LICENSE

Licensed under the MIT license.

Changelog

1.1.2 (2017-04-14)

Bug Fixes

• power-assert-context-reducer-ast: fix: ecmaVersion 7 => 2017 to support async function by @popomore