maxmustermann/pulumi
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Elide our serialized function preamble and postamble when printing user code.

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This commit is contained in:
Cyrus Najmabadi 2017-12-14 14:55:27 -08:00
parent 9bb9295594
commit 1ab2680df8
1 changed files with 27 additions and 14 deletions
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41
pkg/engine/plan.go
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@ -1014,8 +1014,10 @@ func getTextChangeString(old string, new string) string {
var (
shaRegexp = regexp.MustCompile("__[a-zA-Z0-9]{40}")
withRegexp = regexp.MustCompile(` with\(\{ .* \}\) \{`)
withRegexp = regexp.MustCompile(` with\({ .* }\) {`)
environmentRegexp = regexp.MustCompile(` }\).apply\(.*\).apply\(this, arguments\);`)
preambleRegexp = regexp.MustCompile(`function __shaHash\(\) {\n return \(function\(\) {\n with \(__closure\) {\n`)
postambleRegexp = regexp.MustCompile(` }\n }\).apply\(__environment\).apply\(this, arguments\);\n}\n`)
)
// massageText takes the text for a function and cleans it up a bit to make the user visible diffs
@ -1041,19 +1043,28 @@ func massageText(text string) string {
return text
}
for {
newText := strings.Replace(text, "\n\n\n", "\n\n", -1)
if len(newText) == len(text) {
break
}
replaceNewlines := func() {
for {
newText := strings.Replace(text, "\n\n\n", "\n\n", -1)
if len(newText) == len(text) {
break
}
text = newText
text = newText
}
}
replaceNewlines()
text = shaRegexp.ReplaceAllString(text, "__shaHash")
text = withRegexp.ReplaceAllString(text, " with (__closure) {")
text = environmentRegexp.ReplaceAllString(text, " }).apply(__environment).apply(this, arguments);")
text = preambleRegexp.ReplaceAllString(text, "")
text = postambleRegexp.ReplaceAllString(text, "")
replaceNewlines()
return text
}
@ -1099,25 +1110,27 @@ func diffToPrettyString(diffs []diffmatchpatch.Diff, indent int) string {
}
lines = trimmedLines
const contextLines = 2
// Show the unchanged text in white.
if index == 0 {
// First chunk of the file.
if len(lines) > 4 {
if len(lines) > contextLines+1 {
writeDiff(deploy.OpSame, "...\n")
printLines(deploy.OpSame, len(lines)-3, len(lines))
printLines(deploy.OpSame, len(lines)-contextLines, len(lines))
continue
}
} else if index == len(diffs)-1 {
if len(lines) > 4 {
printLines(deploy.OpSame, 0, 3)
if len(lines) > contextLines+1 {
printLines(deploy.OpSame, 0, contextLines)
writeDiff(deploy.OpSame, "...\n")
continue
}
} else {
if len(lines) > 7 {
printLines(deploy.OpSame, 0, 3)
if len(lines) > (2*contextLines + 1) {
printLines(deploy.OpSame, 0, contextLines)
writeDiff(deploy.OpSame, "...\n")
printLines(deploy.OpSame, len(lines)-3, len(lines))
printLines(deploy.OpSame, len(lines)-contextLines, len(lines))
continue
}
}